HSA Natural Science Mega Mock Test : 2022 [കലാശക്കൊട്ട് ]
🛑 Questions : 372
🛑 Time : NO LIMIT
🛑 സംശയങ്ങൾക്ക് ടെലെഗ്രാമിൽ ബന്ധപ്പെടുക Link
🛑 വിജയാശംസകൾ - TEAM PSC TALKZ
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1) A detritivore is
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2) When a large amount of water enters a plant cell, what happens ___?
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3) How many maximum molecules of O2 will be carry by 4 haemoglobin molecule ?
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4) Process of Plasmolysis is __?
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5) In a biotic community, the primary consumers in the ecosystem are
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6) Within the heart AV node is found at ?
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7) Which statement characterizes a hypotonic solution ?
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9) Endospermic seeds are found in
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10) The nature of climax community ultimately depends on
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11) Which of the following is an example of man made ecosystem
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12) Protein is a ..............
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13) What is not correct with respect to testis in adults [NCERT]
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14) Haemoglobin is a ___________ coloured ________ containing pigment ?
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15) Who occupies the centre of each microsporangia when the anther is young [NCERT PG NO 21]
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16) The process which brings about entry of water into seed coat when seeds are placed in water for germination is ___?
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17) Every 500 ml of oxygenated blood can deliver around _________ of O2 to the tissue ?
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18) അബ്കാരി നിയമപ്രകാരം താഴെപ്പറയുന്നവയിൽ ശരിയായ ജോഡി ഏതെന്ന് കണ്ടെത്തുക
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19) Heart is derived from ?
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20) Pollination by water is limited to about [NCERT PG NO 29]
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21) The two polypeptides of human insulin are linked together by (NCERT XII:211)
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22) Which is largest among the given lymphocytes?
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23) In plant succession when climax community is reached,the net productivity
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24) Atretic follicles are found in the
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25) The rules of presenting the contents to make them easy are called ?
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26) ലോകത്തിൽ ഏറ്റവും കൂടുതൽ ഹരിത ഗൃഹവാതകം പുറന്തള്ളുന്ന രാജ്യം?
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27) Transport of organic and inorganic materials is ?
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28) The Taq polymerase enzyme is obtained from ?
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29) Type of protein found in plasma is?
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30) Artificial seeds are.........
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31) The two components of an ecosystem are
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32) Which one is a true statement regarding DNA polymerase used in PCR? (NCERT XII:203)
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33) Two bacteria found to be very useful in genetic engineering experiments are
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34) Chordae tendineae are found in ?
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35) Which of the following limits the movement of molecules when carrier mediated facilitated diffusion is involved ?
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36) Use of bioresources by multinational companies and organisations without authorisation from the concerned country and its people is called ?
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37) How many sperms are formed from a secondary spermatocyte?
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38) Leucocytes are colorless due to ?
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39) Roots developed from the parts of the plants other than radicle are called___?
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40) The primary female sex organs are located
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41) Which neural signal decreases the heart rate and thereby the cardiac output ?
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42) When does plant take decisions to flower? [NCERT PG NO 20]
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43) Which is the hormonal method of birth control
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44) Which of the following is non-medicated IUDs [NCERT PG NO 60]
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45) Which one of the following techniques made it possible to genetically engineer living organisms?
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46) Which light range is least effective in photosynthesis ?
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47) If the external solution balances the osmotic pressure of cytoplasm. It is said to be ___?
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48) Which plant do not show clear cut vegetative, reproductive and senescent phase [NCERT PG NO 9]
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49) Active transport is important because it can move molecules ________?
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50) in a living body coagulation of blood in the blood vessel is prevented by ?
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51) detritus food chain starts from
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52) മോഹ്സ് സ്കെയിൽ പ്രകാരം വിരലിലെ നഖത്തിൻ്റെ കടുപ്പം എത്ര ?
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53) Exchange of gases nutrient sector between the fluid and the cells take place through ?
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54) Release of sperm from seminiferous tubule is known as [NCERT PG NO 47]
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55) Isogametes of [NCERT PG NO 10, FIG 1.5]
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56) Which of the following is not a component of downstream processing?
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57) Syngenesious condition of stamen is found in family ?
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58) Many pulses of daily use belong to one of the families below___?
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59) Which of the following sexually transmitted diseases is not completely curable ? [NEET 2019]
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60) Confirmatory test for STDs is [NCERT]
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62) Blood consists of ?
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63) Erythroblastosis fortalis can happen if mother and father are respectively ?
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65) Which of the following ecosystems is more productive in terms of net primary production
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66) Tricuspid and bicuspid or mitral valve is present in between respectively ?
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67) which of the following birth control measures can be considered as the most effective and reliable ?
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68) Which relationship is considered correct for a solution ____?
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69) എവിടെയാണ് പി കൃഷ്ണപിള്ള ജനിച്ചത്?
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70) Which of the following plant is used to extract the blue dye
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71) Nature of waves in the heart is (CPMT) ?
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72) Ovarian stroma is enclosed by a thin ____. [NCERT PG NO 44]
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73) Select incorrect statements w.r.t anther[NCERT PG NO 21]
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74) Which one of the following bacteria has found extensive use in genetic engineering work in plants?
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75) Endosperm a product of double fertilisation in angiosperms is absent the seeds of
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76) When a plant cell is placed in a hypotonic solution, which of the following occurs ?
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77) Enzymes can have ?
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78) Most herbaceous plants have how much dry weight of its total fresh weight ?
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79) The volume of blood that enters into the aorta with each ventricular systole is called ?
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80) Water potential is ______?
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81) Nearly ______________ MTPs are performed in a year all of the world which accounts to _________ of the total number of conceived pregnancies in a year [NCERT PG NO 62]
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82) If a pressure greater than atmospheric pressure is applied to pure water or solution, it's water potential __?
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83) Which one of the following is now being commercially produced by biotechnological procedures ___?
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84) ________________ Makes the uterus unsuitable for implantation and the cervix hostile to ____________
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85) Embryo with more than 8 blastomeres formed due to in vitro fertilisation is transferred into [NCERT PG NO 64]
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86) Each cell of sporogenous tissue is a [NCERT PG NO 22]
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87) In monerans & protistan , the parents cell divides by [NCERT PAGE NO 5]
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88) Human heart is ?
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89) Transport substances across a membrane from an area of lower concentration to an area of higher concentration requires _______?
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90) Cellulose is a polymer of ?
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91) Biotic components refer to
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93) When does a concentration gradient exists ?
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94) The tendency of water to move towards greater solute concentration is the example of ______?
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95) Genetic engineering is possible, because (NCERT XII:194)
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96) Water channel consists of how many type of aquaporins ?
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97) Which cell secrete testicular hormones [NCERT PG NO 43]
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98) Nearly 70% CO2 absorbed by blood will be transported to the lungs ?
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99) The most common solidifying agent used in micropropagation is ............?
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100) Which of the following is inorganic co factor ?
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101) All three wall layers perform the function of protection & help in dehiscence of anther to release pollen except [NCERT PG NO 21]
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102) Difference between ZIFT and IUT lies in the
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103)
Flowers require synchrony in pollen release and stigma receptivity in [NCERT PG NO 27]
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104) Opening of the right ventricle into Pulmonary artery and that of left ventricle into the aorta is provided with ?
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105) It is the vital link that ensure continuity of species. [NCERT PG NO 15]
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106) In India, marriageable age for boys is ____ and girls is ____ respectively. [NCERT]
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107) Human insulin is being commercially produced from a transgenic species of __?
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108) The process of separation and purification of expressed protein before marketing is called (NCERT XII:204)
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109) In a polysaccharide Chain Right end is called the ?
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110) Transport proteins that simultaneously move two molecules across a membrane in the same direction are called ?
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111) An inverted pyramid of biomass can be found in which ecosystem
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112) Protein with catalytic power is named ______?
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113) In the primary structure of the protein the left end is represented by ____?
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114) Which of the following is best suited method for production of virus free plants?
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115) The cofactor that associates with the apoenzyme only during course of Catalysis are called ______ ?
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116) In mammals, veins differs from arteries in having ?
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117) The external opening of urethra is called [NCERT PG NO 43]
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118) Energy storage at the consumer level is called
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119) Which one is highly selective ?
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120) Which Chambers of the heart that has thickest muscular wall ?
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121) Polar nuclei are situated in the central cell - [NCERT]
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122) Cybrids are
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123) Four chambered heart is not present in ?
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Endospermic seeds are found in ? 1 -Barley 2- Castor 3- Pea 4- Both a & b
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125) Biolistics (gene-gun) is suitable for ___?
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126) Oxygen Hb dissociation curve is ?
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127) The placenta is attached to the developing seed near the
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128) In plants cell which ones are important determinants of movement of molecules in or out of the cell ___?
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129) Plasma without clotting factor is called ?
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130) Which of the following is not true of the carrier molecules involved in facilitated diffusion ?
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131) Water tends to move into a cell that has ____?
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133) Humans are ____ and ____ organisms. [ NCERT PG NO 42]
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134) ആത്മകഥക്ക് ഒരു ആമുഖം ഇതു ആരുടെ ആത്മകഥയാണ്?
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135) Which is a major factor which could affect the binding of CO2 with Hb ?
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136) Water potential gradient is ___?
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137) The primary oocyte completes the first meiotic division [NCERT PG NO 49]
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138) Which of following structure of Starch can Hold I2 molecules and gives blue colour ?
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139) Enzymes exhibit which structure of proteins for biological activities... ?
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140) Water will move from its region of high chemical potential/concentration to its region of lower chemical potential until __?
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141) The offspring produced through which of the following process are not exactly similar to their parents ?
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142) Amniocentesis is used to test for the presence of certain genetic disorders except [NCERT PG NO 58]
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143) Apex of heart is ?
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144) Which of the following is not a producer
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145) Two or more aspects are understood in ?
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146) Water potential of imbibants is___?
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147) In ICSI , sperm is directly injected the__________ [NCERT PG NO 64]
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148) What is total diastolic time of ventricle in cardiac cycle ?
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149) The process which refers to development of embryo is called ?
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150) In ecological Pyramid ,the base always represents the ....... and the apex represents.....
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151) Pressure on plant cell wall caused by osmotic movement of water is called _______?
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152) Encysted amoeba divides by [NCERT PG NO 6]
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153) Which of the following plant is used to extract the blue dye ?
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154) Oxygenated blood is carried by
(OR)
Blood vessels carrying blood from lungs to heart
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155) A foreign DNA and plasmid cut by the same restriction endonuclease can be joined to form a recombinant plasmid using ?
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156) Seminiferous tubules contain __________ for providing nutrition to sperm cells. [NCERT PG NO 43]
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157) How many microsporangia are located in the corners of a typical bilobed anther of angiosperm ? [NCERT], [KCET 2021]
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158) External fertilisation occurs in
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159) Sepals also remain attached in plant after fertilisation only in [NCERT PG NO 16]
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160) The linking of antibiotic resistance gene with the plasmid vector became possible with (NCERT XII:197)
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161) കോക്ലിയക്ക് എത്ര അറകൾ ഉണ്ട്?
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162) O. P. of pure water is ______?
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163) The lengthwise running groove on another which separate theca is called
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164) The outermost and innermost wall layers of microsporangium in an anther are respectively [NCERT PG NO 21]
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165) Which one of the following is now being commercially produced by biotechnological procedures? (NCERT XII:211)
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166) The goal of teaching is ?
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167) Primarily Involve in the defense mechanism of the body ?
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168) മലിന ജലത്തിലെ BOD?
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169) ശരിയായത് ഏത് ?
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170) ബോൺ കൺവെൻഷൻ നടന്ന വർഷം?
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171) In the heart of mammals, the bicuspid valve (mitral valve) is situated between ?
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172) Climate community is
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173) Proximal end of the filament is attached to the [NCERT PG NO 21]
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174) It is an essential event in sexual reproduction .[NCERT PG NO 17, SUMMARY]
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175) Each Ovary is connected to the pelvic wall and the uterus by: [NCERT PG NO 44 ]
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176) പാലിയം സത്യാഗ്രഹം ആരംഭിച്ച വർഷം?
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177) The ovaries are located [ NCERT PG NO 44]
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178) Choose the correct relation ____?
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179) The first clinical gene therapy was given for treating (NCERT XII:211)
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180) Inulin is a Polymer of ?
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181) An example of protein with quaternary structure is ____ ?
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182) What is antisense technology ___?
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183) Enzyme , Carbonic anhydrase is present in ____ ?
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184) Wider part of the oviduct is [NCERT PG NO 46]
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185) Conversion of fibrinogen is catalyzed by ?
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186) SOLO taxonomy consists of levels?
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187) Genetic engineering is possible, because ___?
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188) Energy for the detritus food chain comes from
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189) When the heart stop beating condition is called ?
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190) Inability to conceive or produce children even after_______ of unprotected sexual cohabitation is called infertility .[NCERT SUMMARY]
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191) Which one of the following statements is correct with respect to immunity ?
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192) All are bisexual/monoecious species except [NCERT PG NO 12 , FIG 1.6]
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193) In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is (NCERT XII : 213)
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194) What will be the ploidy of nucellus , MMC, Functional megaspore & female gametophyte respectively [NCERT PG NO 26]
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195) In adult, each testis bears ____ compartments called testicular lobules. [NCERT PG NO 43]
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196) Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein___?
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197) Phase of menstrual cycle in human that lasts for 7-8 days is
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198) How many % of Blood is plasma?
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199) In majority of angiosperm [NEET 2016]
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200) In teaching experienced members guide the immature one’s for.............
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201) What is the amount of average price tag on nature's life support services determined by Robert Constanza and his colleagues
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202) Apporoxima 97% O2 absorbed by blood is transported to the body tissue ?
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203) During parturition, the fetal ejection reflex triggers the release of:
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204) Plant absorbents consists of ___?
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205) Binding of CO2 with Hb more in tissue when ?
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206) Primary productivity depends upon
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207) During systole of heart ?
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208) To achieve three celled stage in angiosperm which cell of pollen grain divide to form two male gametes [NCERT PG NO 23]
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209) ചുവടെ പറയുന്ന പ്രസ്താവനകളിൽ തെറ്റായ പ്രസ്താവന തിരഞ്ഞെടുക്കുക?
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210) Which is not a Cu releasing IUDs [NCERT PG NO 60]
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211) Maize grain is a fruit known as
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212) What are the various aspects of reproduction covered by WHO? [NCERT PG NO 57]
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213) When more than 1 pistil fused together , it is said to be [NCERT PG NO 24]
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214) Clot formed by a network of the thread head injury site is composed of ?
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215) Plasmid has been used as vector because __?
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216) Vertical distribution of different species occupying different levels in a biotic community is known as
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217) Building block of nucleic acid is ...........
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218) Restriction endonucleases are
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219) Pollen grains are well preserved as fossils because of presence of [NCERT PG NO 23]
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220) The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of (NCERT XII:200)
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221) Integuments encircle the nucellus except at the [NCERT PG NO 25]
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222) Plant biotechnology involves ?
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223) The percentage of water and protein in a straw coloured viscous fluid is
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224) Golden rice is a transgenic crop of the future with the following improved trait?
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225) Which of the following contraceptive device is inserted by the doctor or trained nurse in the uterus through the vagina? [NCERT PG NO 60]
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226) Imbibition causes ___?
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227) The rate of biomass production is
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228) In an embryo sac of anatropous ovule , cells present at chalazal end are called [NCERT PG NO 27]
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229) Biomolecules are present in certain concentrations expressed as______?
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230) Biologists describes the protein structure at ________?
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231) Enzyme Carbonic anhydrase is present in _____ ?
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232) ബാസൽ മിഷൻകാർ ഓട് ഫാക്ടറി സ്ഥാപിച്ചത് എവിടെ?
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233) The process of RNA interference (RNAi) has been used in the development of plants resistant to __?
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234) The term ecosystem was coined by
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235) Strobilanthus kunthiana is found in [NCERT PG NO 9]
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236) Which of the following event is post fertilisation event ?
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237) In gel electrophoresis, separated DNA fragments can be visualized with the help of ?
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238) A watermelon has how much water ?
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239) With reference to solo taxonomy one aspect of a task is understood in ?
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240) Patterns and designs of exine of pollen grains are Characteristic feature of [NCERT PG NO 23]
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241) Maize grain is a fruit known as ?
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242) (a) Pioneer community is the final biotic community that develops in an area
(b) Pioneer community is soon replaced by the next seral community during on going succession
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243) Edible part of apple and pear is
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244) Which one of the following techniques made it possible to genetically engineer living organisms? (NCERT XII :194)
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245) find the correct descending order of percentage proportion of leukocyte in the human blood?
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246) രണ്ട് ശ്വാസകോശങ്ങളുടെയും വായു അറകളുടെ ആകെ പ്രതല വിസ്തീർണ്ണം ഏകദേശം എത്ര ചതുരശ്ര മീറ്റർ ആണ്??
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247) lymph is an important carrier for the transport of ?
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248) The bond between phosphate and hydroxyl group of sugar is called______?
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249) The largest part of the fallopian tube is [NCERT PG NO 44]
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250) A secondary metabolite that is alkaloid in nature is _______ ?
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251) The testes are situated ____ the abdominal cavity within a pouch called ____. [NCERT PG NO 43]
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252) The T-wave in an ECG represents ?
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253) Which vector can clone only a small fragment of DNA?
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254) Chitin is a ..........
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255) Which of the following is correct for standard ECG ?
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256) Which body of the Government of India regulates GM research and safety of introducing GM organisms for public services?
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257) Edible part of apple and pear is___?
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258) Imbibition is ___?
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259) What is true about ecosystem
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260) Which of the following is correct about facilitated Active transport ?
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261) Restriction endonucleases are
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262) Most critical event in sexual reproduction is [NCERT PG NO 14]
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263) Which of the following depicts the correct pathway of transport of sperms [NEET 2016]
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264) When a plasmolysed cell is placed in water or hypotonic solution, what happens ?
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265) Batch cultures are type of suspension culture where ?
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266) When different types of molecules in a fluid move together in response to a pressure gradient, this is called ________?
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267) The other term for heart attack is ?
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268) The number of Chambers in the heart of fishes amphibian and birds ?
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269) The relation between producers and consumers in an ecosystem can be graphically represented in the form of a pyramid called
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270) A ‘new’ variety of rice was patented by a foreign company, though such varieties have been present in India for a long time. This is related to ____?
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271) Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes? (NCERT XII:200)
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272) What would be Ψp of a fully flaccid cell ?
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273) Example of wind pollination is [NCERT PG NO 29]
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274) In an ecosystem, organism occupies a specific place in a food chain called
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275) Lecithin is a ..............
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276) മദ്യം മസ്തിഷ്കത്തിലെ ഏത് നാഡീയ പ്രേക്ഷകത്തിന്റെ ഉൽപാദനത്തെയാണ് ത്വരിതപ്പെടുത്തുന്നത്
GABA( ഗാമ അമിനോ ബ്യൂട്ടിറിക് ആസിഡ് )
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277) In angiosperm , Over _______ pollen grains shed at 2 celled stage & _______ pollen grains shed at 3 celled stage . [NCERT PG NO 23,]
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The modification of exogenous compounds by plant cells is called a) Biotransformation
278) b) bioconversion
c) both a and b
d) biophytomodification
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279) Which of the following is not a feature of the plasmids?
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280) Most commonly used body fluid ?
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281) Seminal plasma is rich in which sugar? [NCERT PG NO 44]
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282) Which one of the following is a case of wrong matching ?
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283) If a pressure greater than atmospheric pressure is applied to pure water and a solution, it's " Ψw " value ?
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284) A gene whose expression helps to identify transformed cell is known as (NCERT XII:199)
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285) Elicitors are molecules that ...........?
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286) Which is not the focal point of the triangular process of teaching ?
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287) Open circulatory system is present in ?
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288) Zoospores are [ NCERT PG NO 7]
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289) Non protein constituent which bound to enzymes catalytically more active are called ?
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290) Blood group do not contain any antibody in its plasma ?
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291) Which of the following methods for transporting substances across a membrane does not involve a change in shape of transport protein ______?
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292) Venation is term used to describe the pattern of arrangement of ?
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293) Which of the following structure is absolute necessary for many biological activities of the protein ?
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294) Many pulses of daily use belong to one of the families below
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295) Inside the mature seed, it is the progenitor of the next generation .[NCERT PG NO 17]
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297) Following statements describe the characteristics of the enzyme restriction endonuclease. Identify the incorrect statement.(NCERT XII:196)
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298) Which one of the following is not the function of placenta?
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299) The diaphragm is a rubber dome shaped structure and stops the sperms from entering into [NCERT PG NO 60]
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300) Region outside the seminiferous tubule is called
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301) Gel electrophoresis is used for (NCERT XII:198)
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302) Seeds when soaked in water, they imbibe it because of ___?
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303) Who play an important role in guiding the pollen tubes to enter the embryo sac [NCERT PG NO 27]
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304) Correct statement about Leydig cells [NCERT PG NO 43]
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305) മുംബൈ മെട്രോയ്ക്ക് വേണ്ടി ആരെ ഫോറസ്റ്റ് നശിപ്പിക്കുന്നതിനു എതിരെ സമരം നടത്തിയ ഗോത്ര വർഗം?
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306) Factors affecting the rate of diffusion are _______?
1) Gradient of concentration 2) Permeability of the membrane 3) Temperature 4) Pressure 5) Size of diffusing material
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307) The ovarian stroma is divided into zones [NCERT PG NO 44]
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308) Biosynthetic pathways is also called _____?
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309) The placenta is attached to the developing seed near the?
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310) The blood returning to the heart from lungs via pulmonary vein has more ?
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311) Systemic heart refers to ?
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312) Water potential _____?
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313) Which one of the following is not a functional unit of an ecosystem
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314) No new follicles develop in the luteal phase of the menstrual cycle because [NEET 2019]
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315) Immobilized cell bioreactors are based on........
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316) Which statement about the membrane channel is not true ?
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317) Which does not affect the rate of diffusion of a substance ______?
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318) A natural method of contraception, periodic abstinence is [NCERT PG 59]
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320) The pressure exerted by the protoplasts due to entry of water against the rigid wall is called __?
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321) If a plasmolysed cell has OP = 10, TP = - 2 , It's DPD will be ____?
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322) Stirred-tank bioreactors have been designed for (NCERT XII:204)
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323) if husband is Rh+ when wife is Rh- negative then................?
1) No problem with first child 2) Second child would have anaemia ( erythroblastosis foetalis ) 3) Second child would be normal 4) Both 1 and 2
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324) In 60% Of the angiosperms shed their pollens at the [NCERT PG NO 23]
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325) In RNAi, the genes are silenced using (NCERT XII:209)
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326) Platelets are ?
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327) All are plant derived alkaloids except ?
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328) The genetically-modified (GM) brinjal in India has been developed for (NCERT XII : 208)
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329) What is antisense technology? (NCERT XII:209)
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330) Contraction of right ventricle pumps blood into ?
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331) Pollen grains are mature when [NCERT PG NO 23]
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333) Most abundant protein in plants is ..........
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334) An individual transitional communities in ecological succession are termed as
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335) Estrous cycle is found in
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336) The population of India at the time of independence was about
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337) Which of the following statement is incorrect ?
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338) Centre of each microsporangium is occupied by [NCERT PG NO 21]
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339) Out of the total propsed cost of various ecosystem services, cost of climate regulations and habitat for wildlife are
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340) നാനോ മിഷൻ ആരംഭിച്ച വർഷം?
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341) The seminiferous tubules of the testis open into the vasa efferentia through [NCERT PG NO 43]
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342) Maximum number of existing transgenic animals is of (NCERT XII:212)
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343) Facilitated diffusion _________?
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344) A food web
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345) Select incorrect statements regarding water hyacinth. [ NCERT PG NO 8]
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346) The linking of antibiotic resistance gene with the plasmid vector became possible with __?
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347) The culturing of cells in liquid agitated medium is called ?
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348) Heart beat can be initiated by ?
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349) Which of the following animal is bisexual ?
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350) All are plant derived elicitors except?
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351) Blood group which do not contain any antigen on its surface ?
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352) Roots developed from the parts of the plants other than radicle are called
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353) The distal end of the filament is attached to [NCERT BASED]
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354) Adult hemoglobin consists of four subunit of these are identical to each other that are the 4 units ______?
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355) In a pond ecosystem, the autotrophic components are
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356) Anther is generally
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357) Osmosis is a specific form of _________?
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358) Which of the following is correct ?
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359) In which of the following pollen grains have long ribbon like structure [NCERT PG NO 29]
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360) The mineral distribution in tissue fluid is similar to that in?
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361) Choose the correct pair from the following?
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362) In which of the following, both autogamy and geitonogamy are prevented
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363) Which constitute the female accessory ducts [NCERT PG NO 45]
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364) In in birds and mammals the oxygenated and deoxygenated blood is received by?
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365) In humans, the sex of the baby is determined:
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366) The entire sequence of communities that successively changes in a given area are called
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367) Endosperm a product of double fertilisation in angiosperms is absent the seeds of____?
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368) For a solution / a cell ___?
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369) Venation is term used to describe the pattern of arrangement of
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370) Syngenesious condition of stamen is found in family?
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371) Which one of the following groups includes sexually transmitted infections caused by virus only ?
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372) Select the correct option of haploid cells from the following groups :
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