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HSA Natural Science Mega Mock Test : 2022 [കലാശക്കൊട്ട് ]



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HSA Natural Science Mega Mock Test : 2022 [കലാശക്കൊട്ട് ]

🛑 Questions : 332

🛑 Time : NO LIMIT

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1) In  majority of angiosperm [NEET 2016]

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2) Apex of heart is ?

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3) ആത്മകഥക്ക് ഒരു ആമുഖം ഇതു ആരുടെ ആത്മകഥയാണ്?

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4) Endospermic seeds are found in

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5) Pollen grains are mature when [NCERT PG NO 23]

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6) The term ecosystem was coined by

 

 

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7) An individual transitional communities in ecological succession are termed as ?

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8)

Five kingdom system of classification suggested by
R.H. Whittaker is not based on ?

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9) Which cell secrete testicular hormones [NCERT PG NO 43]

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10) 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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11) The entire sequence of communities that successively changes in a given area are called

 

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12) How many microsporangia are located in the corners of a typical bilobed anther of angiosperm ? [NCERT], [KCET 2021]

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13) Centre of each  microsporangium is occupied by [NCERT PG NO 21]

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14) Region outside the seminiferous tubule is called

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15) Trophic levels are formed by :___?

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16) What is true about ecosystem ___?

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17) The basic categories of ecosystem are ___?

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18) Polar nuclei are situated in the central cell - [NCERT]

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19) find the correct descending order of percentage proportion of leukocyte in the human blood?

 

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20) Pyramid of numbers in a pond ecosystem is : ___?

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21) Biomolecules are present in certain concentrations expressed as______?

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22) Energy for the detritus food chain comes from

 

 

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23) The placenta is attached to the developing seed near the

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24) The number of Chambers in the heart of fishes amphibian and birds ?

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25) Which one of the following animals may occupy more than one trophic level in the same ecosystem at the same time ?

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26) Edible part of apple and pear is

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27) Which of following structure of Starch can Hold I2 molecules and gives blue colour ?

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28) Most commonly used body fluid ?

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29) Which of the following is inorganic co factor ?

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30) Which of the following is an example of man made ecosystem

 

 

 

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31) The culturing of cells in liquid agitated medium is called ?

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32) Wider part of the oviduct is [NCERT PG NO 46]

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33) മോഹ്‌സ് സ്കെയിൽ പ്രകാരം വിരലിലെ നഖത്തിൻ്റെ കടുപ്പം എത്ര ?

 

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34) Which is not a Cu releasing IUDs [NCERT PG NO 60]

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35) What is total diastolic time of ventricle in cardiac cycle ?

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36) What will be the ploidy of nucellus , MMC, Functional megaspore & female gametophyte respectively [NCERT PG NO 26]

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37) All are plant derived elicitors except?

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38) In an ecosystem, organism occupies a specific place in a food chain called

 

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39) Enzymes can have ?

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40) Strobilanthus kunthiana is found in [NCERT PG NO 9]

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41) Chordae tendineae are found in ?

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42) Vertical distribution of different species occupying different levels in a biotic community is known as ?

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43) Humans are ____ and ____ organisms. [ NCERT PG NO 42]

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44) Pollen grains are well preserved as fossils because of presence of [NCERT PG NO 23]

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45)

(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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46) What is not correct with respect to testis in adults [NCERT]

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47) 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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48) In mammals, veins differs from arteries in having ?

 

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49) In a pond ecosystem, the autotrophic components are

 

 

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50) Lecithin is a ..............

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51) The largest part of the fallopian tube is [NCERT PG NO 44]

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52) In monerans & protistan  , the parents cell divides by  [NCERT PAGE NO 5]

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53) Nature of waves in the heart is (CPMT) ?

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54) No new follicles develop in the luteal phase of the menstrual cycle because  [NEET 2019]

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  • 55) അടിമകൾ എങ്ങനെ ഉടമകളായി എന്ന മലയാള കൃതി രചിച്ചത്?

 

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56) പാലിയം സത്യാഗ്രഹം ആരംഭിച്ച വർഷം?

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57)

Which of the following are found in extreme saline
conditions?

(a) Eubacteria (b) Cyanobacteria
(c) Mycobacteria (d) Archaebacteria

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58) Endosperm a product of double fertilisation in angiosperms is absent the seeds of

 

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59) Who occupies the centre of each microsporangia when the anther is young [NCERT PG NO 21]

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60) Which of the following is non-medicated IUDs [NCERT PG NO 60]

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61) The nature of climax community ultimately depends on

 

 

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62) What are the various aspects of reproduction covered by WHO?  [NCERT PG NO 57]

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63) The two components of an ecosystem are

 

 

 

 

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64) Which one of the following is not the function of placenta?

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65) In adult, each testis bears ____ compartments called testicular lobules. [NCERT PG NO 43]

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66) Adult hemoglobin consists of four subunit of these are identical to each other that are the 4 units ______?

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67) Endosperm a product of double fertilisation in angiosperms is absent the seeds of____?

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68) അബ്കാരി നിയമപ്രകാരം താഴെപ്പറയുന്നവയിൽ ശരിയായ ജോഡി ഏതെന്ന് കണ്ടെത്തുക

 

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69) Climate community is

 

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70) A natural method of contraception, periodic abstinence is [NCERT PG 59]

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  • 71) മലബാറിൽ പാശ്ചാത്യ വിദ്യാഭ്യാസത്തിന് അടിസ്ഥാനമിട്ടത്?

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72) In India, marriageable age for boys is ____ and girls is ____ respectively. [NCERT]

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73) During systole of heart ?

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  • 74) ഏതു മണ്ഡലത്തിൽ നിന്നാണ് ജോസഫ് മുണ്ടശ്ശേരി 1957ൽ കേരള നിയമസഭയിലേക്ക് തിരഞ്ഞെടുക്കപ്പെട്ടത്?
  •  പരവൂർ മണലൂർ കോട്ടയം തൊടുപുഴ

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75) detritus food chain starts from

 

 

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76) Each Ovary is connected to the pelvic wall and the uterus by: [NCERT PG NO 44 ]

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77) In a biotic community, the primary consumers in the ecosystem are

 

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78) The cofactor that associates with the apoenzyme only during course of Catalysis are called ______ ?

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79) The offspring produced through which of the following process are not exactly similar to their parents ?

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80) Biotic components refer to___?

 

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81) Correct statement about Leydig cells [NCERT PG NO 43]

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82) Climate community is __?

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83) Tricuspid and bicuspid or mitral valve is present in between respectively ?

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84) Maize grain is a fruit known as

 

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85) In which of the following pollen grains have long ribbon like structure [NCERT PG NO 29]

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86) In which of the following, both autogamy and geitonogamy are prevented

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  • 87) കേരളത്തിൽ ജന്മി സമ്പ്രദായം നിർത്തലാക്കൽ പ്രാബല്യത്തിൽ വന്ന വർ?

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88) Integuments encircle the nucellus except at the [NCERT PG NO 25]

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89) In humans, the sex of the baby is determined:

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90) Out of the total propsed cost of various ecosystem services, cost of climate regulations and habitat for wildlife are

 

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91) What is the structure of the ecosystem is comprised of ?

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92)

In the five kingdom classification, Chlamydomonas and
Chlorella have been included in?

(a) protista (b) algae
(c) plantae (d) monera

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93) The outermost and innermost wall layers of microsporangium in an anther are respectively [NCERT PG NO 21]

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94) The percentage of water and protein in a straw coloured viscous fluid is

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95) Which one of the following groups includes sexually transmitted infections caused by virus only ?

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96) Which is the hormonal method of birth control

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97) Pyramid of numbers is : _____?

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98) When the heart stop beating condition is called ?

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99) Which of the following is an example of man made ecosystem ?

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100) The rate of biomass production is

 

 

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101) Primarily Involve in the defense mechanism of the body ?

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102) An important criterion for modern day classification is ?

(a) resemblances in morphology
(b) anatomical and physiological traits
(c) breeding habits
(d) presence or absence of notochord

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103) The primary female sex organs are located

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104) Erythroblastosis fortalis can happen if mother and father are respectively ?

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105) Select what is not true of intestinal villi among the following ?

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106) The relation between producers and consumers in an ecosystem can be graphically represented in the form of a pyramid called ____?

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107) Atretic follicles are found in the

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108) Leucocytes are colorless due to ?

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109) A detritivore is

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110) The ovarian stroma is divided into zones [NCERT PG NO 44]

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111) During intake of food, what prevents the entry of food into the glottis ?

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112) Abiotic components refer to ______?

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113) Exchange of gases nutrient sector between the fluid and the cells take place through ?

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114)

In which kingdom would you classify the archaea
and nitrogen-fixing organisms, if the five kingdom
system of classification is used ?

(a) Plantae (b) Fungi
(c) Protista (d) Monera

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115) An individual transitional communities in ecological succession are termed as

 

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116) Enzyme , Carbonic anhydrase is present in ____ ?

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117) Which of the following plant is used to extract the blue dye ?

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118) In ecological Pyramid ,the base always represents the ....... and the apex represents.....

 

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119) Seminiferous tubules contain __________ for providing nutrition to sperm cells. [NCERT PG NO 43]

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120) Zoospores are [ NCERT PG NO 7]

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121) The term ecosystem was coined by __?

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122) Apporoxima 97% O2 absorbed by blood is transported to the body tissue ?

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123) The external opening of urethra is called [NCERT PG NO 43]

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124) How many sperms are formed from a secondary spermatocyte?

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125) An inverted pyramid of biomass can be found in which ecosystem

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126) Which of the following is the most stable ecosystem ?

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127) Embryo with more than 8 blastomeres formed due to in vitro fertilisation is transferred into [NCERT PG NO 64]

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128) Which plant do not show clear cut vegetative, reproductive and senescent phase [NCERT PG NO 9]

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129) Cybrids are

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130) ജന്തു വൈവിധ്യം ഏറ്റവും കൂടുതൽ കാണപ്പെടുന്ന വനങ്ങളുടെ പ്രത്യേകത ഏത് ?

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131) In an embryo sac of  anatropous ovule , cells present at chalazal end are called [NCERT PG NO 27]

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132) In a pond ecosystem, the autotrophic components are ?

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133) lymph is an important carrier for the transport of ?

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134) An inverted pyramid of biomass can be found in which ecosystem ?

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135) The distal end of the filament is attached to [NCERT BASED]

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136) Open circulatory system is present in ?

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137) Blood group do not contain any antibody in its plasma ?

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138) നാലാമത്തെ ക്രോമസോമിലെ ഒരു ജീ നിൻറെ തകരാറു മൂലം ഉണ്ടാകുന്ന രോഗം?

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139) രണ്ട് ശ്വാസകോശങ്ങളുടെയും വായു അറകളുടെ ആകെ പ്രതല വിസ്തീർണ്ണം ഏകദേശം എത്ര ചതുരശ്ര മീറ്റർ ആണ്??

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140) During parturition, the fetal ejection reflex triggers the release of:

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141) Select incorrect statements regarding water hyacinth. [ NCERT PG NO 8]

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142) Binding of CO2 with Hb more in tissue when ?

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143) Vertical distribution of different species occupying different levels in a biotic community is known as

 

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144) Syngenesious condition of stamen is found in family?

 

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145) Which of the following is correct for standard ECG ?

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146) In an ecosystem, organism occupies a specific place in a food chain called ?

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147) Select the correct option of haploid cells from the following groups :

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148) 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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149) Which one of the following statements is correct with respect to immunity ?

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150) Inulin is a Polymer of ?

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151) Every 500 ml of oxygenated blood can deliver around _________ of O2 to the tissue ?

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152) In the primary structure of the protein the left end is represented by ____?

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153) Sepals also remain attached in plant after fertilisation only in [NCERT PG NO 16]

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154) Select incorrect statements w.r.t anther[NCERT PG NO 21]

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155) Example of wind pollination is [NCERT PG NO 29]

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156) Primary productivity depends upon

 

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157) Which of the following animal is bisexual ?

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Decomposers like fungi and bacteria are :
i. Autotrophs      ii. Heterotrophs

158) iii. Saprotrophs   iv. Chemoautotrophs Choose the correct answer : ___?

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159) The population of India at the time of independence was about

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160) In in birds and mammals the oxygenated and deoxygenated blood is received by?

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161) The most common solidifying agent used in micropropagation is ............?

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162) External fertilisation occurs in

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163) Building block of nucleic acid is ...........

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164) Which of the following is not a producer ?

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165) In ecological Pyramid ,the base always represents the ....... and the apex represents..... ?

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166) Haemoglobin is a ___________ coloured ________ containing pigment ?

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167) Which of the following ecosystems is more productive in terms of net primary production

 

 

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168) Out of the total propsed cost of various ecosystem services, cost of climate regulations and habitat for wildlife are ?

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169) A secondary metabolite that is alkaloid in nature is _______ ?

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170) Which of the following statement is incorrect ?

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171) Which one of the following is not a functional unit of an ecosystem

 

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172) Type of protein found in plasma is?

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173) A detritivore is___?

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174) Inside the mature seed, it is the progenitor of the next generation .[NCERT  PG NO 17]

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175) In the food chain, which is most abundant in tropical rain forest and is a major conduit for energy flow ?

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176) The other term for heart attack is ?

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177) The T-wave in an ECG represents ?

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178) Syngenesious condition of stamen is found in family ?

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179) Employment of hereditary principles in the improvement of human race is ?

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180) Elicitors are molecules that ...........?

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181) The ovaries are located [ NCERT PG NO 44]

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182) Heart beat can be initiated by ?

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183) The testes are situated ____ the abdominal cavity within a pouch called ____.   [NCERT PG NO 43]

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184) Which of the following is best suited method for production of virus free plants?

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185) ________________ Makes the uterus unsuitable for implantation and the cervix hostile to ____________

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186) Heart is derived from ?

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187) Human heart is ?

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188) What do you mean by dental formula?

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189) In ICSI , sperm is directly injected the__________ [NCERT PG NO 64]

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190) Encysted amoeba divides by [NCERT PG NO 6]

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191) Total number of incisors, canines, premolars and molars in an adult man is ?

 

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192) It is the vital link that ensure continuity of species. [NCERT PG NO 15]

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193) which of  the following birth control measures can be considered as the most effective and reliable ?

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194) Non protein constituent which bound to enzymes catalytically more active are called ?

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195) Pollination by water is limited to about [NCERT PG NO 29]

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196) In ecological succession, the communities in near equilibrium with the environment, are called ?

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197) Maize grain is a fruit known as ?

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198) Within the heart AV node is found at ?

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199) Proximal end of the filament is attached to the [NCERT PG NO 21]

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200) Estrous cycle is found in

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201) Plant biotechnology involves ?

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202) Biosynthetic pathways is also called _____?

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203) The primary function of large intestine in man is ?

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204) Many pulses of daily use belong to one of the families below___?

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205) In a polysaccharide Chain Right end is called the ?

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206) Contraction of right ventricle pumps blood into ?

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207) കോക്ലിയക്ക് എത്ര അറകൾ ഉണ്ട്?

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208) Conversion of fibrinogen is catalyzed by ?

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209) Maximum nutritional diversity is found in the group ?

(a) fungi (b) animalia
(c) monera (d) plantae

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210) Anther is generally

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211) Nearly 70% CO2 absorbed by blood will be transported to the lungs ?

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212)  

Flowers require synchrony in pollen release and stigma receptivity in [NCERT PG NO 27]

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213) 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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214) The entire sequence of communities that successively changes in a given area are called ?

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215) Which of the following plant is used to extract the blue dye

 

 

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216) Which Chambers of the heart that has thickest muscular wall ?

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217) When more than 1 pistil fused together , it is said to be [NCERT PG NO 24]

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218) How many % of Blood is plasma?

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219) Isogametes of [NCERT PG NO 10, FIG 1.5]

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220) How many maximum molecules of O2 will be carry by 4 haemoglobin molecule ?

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221) The process which refers to development of embryo is called ?

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222) Most abundant protein in plants is ..........

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223) In an ecosystem, the rate of production of organic matter during photosynthesis is termed as __?

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224) All are bisexual/monoecious species except [NCERT PG NO 12 , FIG 1.6]

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225)

In the five kingdom system of classification, which
single kingdom out of the following can include
blue-green algae, nitrogen fixing bacteria and
methanogenic archaebacteria?

(a) Plantae (b) Protista
(c) Monera (d) Fungi

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226) In plant succession when climax community is reached,the net productivity ?

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227) Plasma without clotting factor is called ?

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228) All are plant derived alkaloids except ?

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229) Ovarian stroma is enclosed by a thin ____. [NCERT PG NO 44]

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230) Which of the following event is post fertilisation event ?

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231)

In five kingdom system, the main basis of
classification is ?

(a) structure of nucleus (b) mode of nutrition
(c) structure of cell wall (d) asexual reproduction.

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232) എവിടെയാണ് പി കൃഷ്ണപിള്ള ജനിച്ചത്?

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233) The bond between phosphate and hydroxyl group of sugar is called______?

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234)

Endospermic seeds are found in ?
1 -Barley
2- Castor
3- Pea
4- Both a & b

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235) detritus food chain starts from ?

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236) The seminiferous tubules of the testis open into the vasa efferentia through [NCERT PG NO 43]

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237) A food web __?

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238) The lengthwise running groove on another which separate theca is called

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239) Cellulose is a polymer of ?

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240) Which one of the following is not a functional unit of an ecosystem ?

 

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241) Clot formed by a network of the thread head injury site is composed of ?

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242) Stratification is more pronounced in ____?

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The modification of exogenous compounds by plant cells is called
a) Biotransformation

243) b) bioconversion

c) both a and b

d) biophytomodification

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244) Patterns and designs of exine of pollen grains are Characteristic feature of  [NCERT PG NO 23]

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245) In the tropical rain forest, most of the energy in the ecosystem flows through : ___?

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  • 246) ഓരോ പള്ളിക്കും ഒപ്പം ഒരു പള്ളിക്കൂടം എന്ന ആശയം മുന്നോട്ട് വെച്ചത്?

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247) The blood returning to the heart from lungs via pulmonary vein has more ?

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248) Enzymes exhibit which structure of proteins for biological activities... ?

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249) Primary productivity depends upon____?

A] Availability of nutrients
B] Photosynthetic capacity of plants
C] Both a& b
D] None of these

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250) ശരിയായത് ഏത് ?

  1. മണ്ണും രാസവളങ്ങളും കീടനാശിനികളും പൂർണമായും ഒഴിവാക്കി മത്സ്യങ്ങളോടൊപ്പം പച്ചക്കറികളും പഴങ്ങളുംമെല്ലാം ജൈവരീതിയിൽ ഉൽപാദിപ്പിക്കപെടുന്ന സങ്കേതമാണ് അക്വാപോണിക്സ്.
  2. മത്സ്യകൃഷിയും മണ്ണില്ലാ കൃഷിരീതിയായ ഹൈഡ്രോപോണിക്സും സംയോജിക്കപ്പെട്ട കൃഷിരീതിയാണിത്.
  3. അക്വാ പോണിക്സ് രീതിയിൽ വളരുന്ന ചെടികൾക്ക് നനയോ വളപ്രയോഗമോ ആവശ്യമില്ല

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251) The diaphragm is a rubber dome shaped structure and stops the sperms from entering into [NCERT PG NO 60]

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252) ബാസൽ മിഷൻകാർ ഓട് ഫാക്ടറി സ്ഥാപിച്ചത് എവിടെ?

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253) Which of the following depicts the correct pathway of transport of sperms [NEET 2016]

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254) Phase of menstrual cycle in human that lasts for 7-8 days is

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255) The relation between producers and consumers in an ecosystem can be graphically represented in the form of a pyramid called

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256) Opening of the right ventricle into Pulmonary artery and that of left ventricle into the aorta is provided with ?

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257) Venation is term used to describe the pattern of arrangement of

 

 

 

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258) The placenta is attached to the developing seed near the?

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259) 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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260) Edible part of apple and pear is___?

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261) Oxygenated blood is carried by

(OR)

Blood vessels carrying blood from lungs to heart

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262) Liver is the largest gland and is associated with various functions, choose one which is not correct. ?

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263) Protein with catalytic power is named ______?

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264) 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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265) Roots developed from the parts of the plants other than radicle are called___?

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266) In 60% Of the angiosperms shed their pollens at the [NCERT PG NO 23]

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267) The two components of an ecosystem are ?

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268) Confirmatory test for STDs is [NCERT]

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269) In a biotic community, the primary consumers in the ecosystem are __?

270 / 332

270) Which is a major factor which could affect the binding of CO2 with Hb ?

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271) Batch cultures are type of suspension culture where ?

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272) Which of the following structure is absolute necessary for many biological activities of the protein ?

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273) Energy storage at the consumer level is called

 

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274) Which neural signal decreases the heart rate and thereby the cardiac output ?

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275) Which light range is least effective in photosynthesis ?

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276) According to the type of attachment, teeth can be ?

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277) In plant succession when climax community is reached,the net productivity

 

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278) 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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279) Many pulses of daily use belong to one of the families below

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280) The nature of climax community ultimately depends on ?

281 / 332

281) Protein is a ..............

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282) Four chambered heart is not present in ?

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283) Which is largest among the given lymphocytes?

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284) In the heart of mammals, the bicuspid valve (mitral valve) is situated between ?

285 / 332

285) in a living body coagulation of blood in the blood vessel is prevented by ?

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286) The mucosal layer in the stomach forms irregular folds known as ?

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287) It is an essential event in sexual reproduction .[NCERT PG NO 17, SUMMARY]

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288) Blood group which do not contain any antigen on its surface ?

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289) Systemic heart refers to ?

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290) Primary production is ______?

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291) Each cell of sporogenous tissue is a [NCERT PG NO 22]

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292) An ecosystem resists change because it is in a state of : ___?

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293) Inability to conceive or produce children even after_______ of unprotected sexual cohabitation is called infertility .[NCERT SUMMARY]

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294) മദ്യം മസ്തിഷ്കത്തിലെ ഏത് നാഡീയ പ്രേക്ഷകത്തിന്റെ ഉൽപാദനത്തെയാണ് ത്വരിതപ്പെടുത്തുന്നത്

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295) Chitin is a ..........

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296) Hepato-pancreatic duct opens into the duodenum and carries ?

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297) Amniocentesis is used to test for the presence of certain genetic disorders except [NCERT PG NO 58]

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298) Which of the following ecosystems is more productive in terms of net primary production ?

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299) Venation is term used to describe the pattern of arrangement of ?

300 / 332

300) A food web

 

 

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301) Seminal plasma is rich in which sugar? [NCERT PG NO 44]

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302) (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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303) Enzyme Carbonic anhydrase is present in _____ ?

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304) Biologists describes the protein structure at ________?

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305) Difference between ZIFT and IUT lies in the

306 / 332

306) Platelets are ?

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307) Who play an important role in guiding the pollen tubes to enter the embryo sac [NCERT PG NO 27]

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308) Most critical event in sexual reproduction is [NCERT PG NO 14]

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309) Immobilized cell bioreactors are based on........

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310) Which constitute the female accessory ducts [NCERT PG NO 45]

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311) econdary productivity is rate of formation of new organic matter by ___?

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312) Which of the following is not a producer

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313) The primary oocyte completes the first meiotic division [NCERT PG NO 49]

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314) The volume of blood that enters into the aorta with each ventricular systole is called ?

315 / 332

315) Oxygen Hb dissociation curve is ?

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316) The mineral distribution in tissue fluid is similar to that in?

317 / 332

317)

BGA (blue green algae) are included in which of the
following groups?

(a) Bryophytes (b) Prokaryotes
(c) Protista (d) Fungi

318 / 332

318) What is true about ecosystem

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319) Energy for the detritus food chain comes from ?

320 / 332

320) 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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321) Which of the following sexually transmitted diseases is not completely curable ? [NEET 2019]

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322) An example of protein with quaternary structure is ____ ?

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323) Artificial seeds are.........

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324) Roots developed from the parts of the plants other than radicle are called

 

 

325 / 332

325) Energy storage at the consumer level is called __?

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326) The process of breaking down complex organic matter into inorganic substances like CO2 water and nutrient is called ?

327 / 332

327) Release of sperm from seminiferous tubule is known as [NCERT PG NO 47]

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328) Blood consists of ?

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329) The rate of biomass production is ___?

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330) When does plant take decisions to flower? [NCERT PG NO 20]

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331) Biotic components refer to

 

 

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332)

Match the organisms in column-I with habitats in
column-II.

Column-I         Column-II
A. Halophiles  (i) Hot springs
B. Thermoacidophiles    (ii) Aquatic environment
C. Methanogens  (iii) Guts of ruminants
D. Cyanobacteria  (iv) Salty area
Select the correct answer from the options given
below.

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