HSA Natural Science Model Exam : 9

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HSA Natural Science Model Exam : 9

HSA Model Exam :NATURAL SCIENCE

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/100

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356

HSA Natural Science Model Exam : 9 ( FEB 9 WEDNESDAY )

🛑 Questions : 100

🛑 Time : 1 Hour 30 Minutes

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1 / 100

1) Which one of the following is now being commercially produced by biotechnological procedures ___?

A) Morphine

B) Quinine

C) Nicotine

D) Insulin

2 / 100

2) The linking of antibiotic resistance gene with the plasmid vector became possible with __?

A) DNA ligase

B) DNA polymerase

C) exonucleases

D) endonucleases

3 / 100

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

A) Inverted

B) Irregular

C) Upright

D) Spindle shaped

4 / 100

4) 2022 ൽ കായികമേഖലയിൽ പത്മശ്രീ പുരസ്കാരത്തിന് അർഹനായത്?

A) ശങ്കരനാരായണൻ മേനോൻ

B) രാഘവ കുറുപ്പ്

C) ശിവ ശങ്കർ

D) വാസുദേവൻ

5 / 100

5) Which one of the following techniques made it possible to genetically engineer living organisms?

A) X-ray diffraction

B) Heavier isotope labelling

C) Hybridization

D) Recombinant DNA techniques

6 / 100

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

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

A) i and iii

B) ii and iii

C) i and ii

D) i and iv

7 / 100

7) Genetic engineering is possible, because ___?

A) we can cut DNA at specific sites by endonucleases like DNase I

B) restriction endonucleases purified from bacteria can be used in vitro

C) the phenomenon of transduction in bacteria is well understood

D) we can see DNA by electron microscope

8 / 100

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

A) Mountain

B) Desert

C) Ocean

D) Forest

9 / 100

9) The protection and preservation of tribal life and culture were guaranteed by the scheduled district act of 1875 ?

A) True

B) False

10 / 100

10) In teaching experienced members guide the immature one’s for.............

A) Quality of life

B) Qualification

C) Adjustment of life

D) Spending time

11 / 100

11) യാതന അനുഭവിക്കുന്നവരുടെ വിഭാഗത്തിൽനിന്ന് തിരുവിതാംകൂർ ലെജിസ്ലേറ്റീവ് അസംബ്ലിയിലേക്ക് നാമനിർദേശം ചെയ്യപ്പെട്ട ആദ്യ വ്യക്തി?

A) അയ്യങ്കാളി

B) തൈക്കാട് അയ്യ

C) പണ്ഡിറ്റ് കറുപ്പൻ

D) ശ്രീനാരായണഗുരു

12 / 100

12) Two or more aspects are understood in ?

A) Unistructural lever

B) Multistructural level

C) Extended abstract level

D) Rational level

13 / 100

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

A) Both grazing food chain and parasitic food chain

B) Grazing food chain

C) Parasitic food chain

D) Detritus food chain

14 / 100

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

A) Lymphocytes >> Acidophils >> basophils >> Neutrophils >>Monocytes

B) Neutrophils >> basophils >> lymphocytes >>Eosinophils monocyte

C) Monocytes >> Neutrophils >> lymphocytes >> Acidophils >> basophils

D) Neutrophils >> lymphocytes >> Monocytes >> Acidophils >> basophils

15 / 100

15) Trophic levels are formed by :___?

A) Organisms linked in food chain

B) Carnivores

C) Plants

D) Animals

16 / 100

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

A) Sympathetic nervous system

B) Parasympathetic neural system

C) Both above

17 / 100

17)

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

A) 2

B) 1

C) 3

D) 4

18 / 100

18) When a plasmolysed cell is placed in water or hypotonic solution, what happens ?

A) T. P. Increases

B) T. P. of cell decreases

C) T. P. of cell becomes zero

D) Water potential of cell decreases

19 / 100

19) SOLO taxonomy consists of levels?

A) 6

B) 4

C) 8

D) 2

20 / 100

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

A) Orchids

B) Coconut

C) Maize

D) Casto

21 / 100

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

A) outside, scrotum

B) inside, testicular lobules

C) inside, scrotum

D) outside, vas deferens

22 / 100

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

A) Fibrin protein

B) Dead and damaged formed element

C) All Of the Above

23 / 100

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

A) 15, 18 years

B) 18, 21 years

C) 15, 14 years

D) 21, 18 years

24 / 100

24) Edible part of apple and pear is___?

A) Mesocarp

B) Thalamus

C) Epicarp

D) Endocarp

25 / 100

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

A) Genus of plants

B) Order of plants

C) Species of plant

D) None of these

26 / 100

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

A) Liliaceae

B) Solanaceae

C) Fabaceae

D) Poceae

27 / 100

27) With reference to solo taxonomy one aspect of a task is understood in ?

A) Extended abstract level

B) Rational level

C) Unistructural level

D) Multistructural level

28 / 100

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

A) Mircropylar end

B) Filiform apparatus

C) Synergids

D) Egg cell

29 / 100

29) When does a concentration gradient exists ?

A) When solute concentration are low

B) When solute concentration differ on either side of a membrane

C) When members rupture

D) When solute concentration is high

30 / 100

30) What would be Ψp of a fully flaccid cell ?

A) +2

B) 0

C) -3

D) +3

31 / 100

31) Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein___?

A) does not kill the carrier bacterium which is itself resistant to this toxin.

B) is activated by acid pH of the foregut of the insect pest

C) is coded by several genes including the gene cry

D) binds with epithelial cells of midgut of the insect pest ultimately killing it

32 / 100

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

A) T- wave represent the return of ventricle from excited to the normal state (repolarisation)

B) QRS Complex represent depolarization of ventricles

C) By counting the number of the QRS one can determine the heart rate of an individual

D) P -WAVE represent excitation or depolarization of Atria

E) Q marks the beginning of systole

F) All are correct

G) T marks the end of systole

33 / 100

33) What is antisense technology ___?

A) Production of somaclonal variants in tissue cultures

B) RNA polymerase producing DNA

C) When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene

D) A cell displaying a foreign antigen used for synthesis of antigens

34 / 100

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

A) 8

B) 1

C) 4

D) 2

35 / 100

35) SOLO stands for ..........

A) structure of the observed learning output

B) Structure of the observed learning outcome

C) System of the observed learning outcome

D) System of the observed learning output

36 / 100

36) Platelets are ?

A) Produced from megakaryocytes

B) All of these

C) Cell fragments

D) Also called thrombocytes

37 / 100

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

A) Left and right atria

B) Left and right ventricles

C) Left atria and left ventricle

D) Left atria and right ventricle

38 / 100

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

A) Interstitial fluid

B) WBC

C) Serum

D) RBC

39 / 100

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

A) Use of physical barriers

B) Intra uterine devices

C) Sterilisation technique

D) The rhythm method

40 / 100

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

A) Chara

B) Cucurbits

C) Sweet potato

D) Marchantia

41 / 100

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

A) Are present in seminiferous tubules and secrete androgens

B) Are present in interstitial space and help in maturation of sperms

C) Are present in interstitial space and secrete androgens

D) Are present in seminiferous tubules and help in maturation of sperms

42 / 100

42) If a pressure greater than atmospheric pressure is applied to pure water or solution, it's water potential __?

A) Remains the same

B) First increase and then become zero

C) Increases

D) Decreases

43 / 100

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

A) Multiload 375

B) Cu7

C) CuT

D) Progestasert

44 / 100

44) The goal of teaching is ?

A) To impart knowledge

B) To involve pupils in activities

C) Desirable change in behavior

D) to give information

45 / 100

45) Conversion of fibrinogen is catalyzed by ?

A) Thrombin

B) Thromboplastin

C) All of the above

D) Prothrombin

46 / 100

46) The basic categories of ecosystem are ___?

A) Both (a) and (b)

B) terrestrial

C) aquatic

47 / 100

47) All three wall layers perform the function of protection & help in dehiscence of anther to release pollen except [NCERT PG NO 21]

A) Endothecium

B) Middle layers

C) Tapetum

D) Epidermis

48 / 100

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

A) Plasminogen and Calcium together

B) Prothrombin and Calcium together

C) Prothrombin

D) Heparin

49 / 100

49) Imbibition is ___?

A) Faciliated diffusion

B) Diffusion

C) Primary active transport

D) An active transport

50 / 100

50) പ്രഭാവർമ്മയുടെ ആദ്യ ഇംഗ്ലീഷ് നോവൽ?

A) ദി കുക്കൂസ്‌ നെസ്റ്റ്

B) ആഫ്‌റ്റർ ദ ആഫ്‌റ്റർമാത്‌

C) സച്ച് എ ലോങ്ങ്‌ ജേർണി

D) എ ഫൈൻ ബാലൻസ്

51 / 100

51) Four chambered heart is not present in ?

A) Amphibians

B) Mammals

C) Birds

D) Crocodile

52 / 100

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

A) Right Atrium

B) Left Atrium

C) Left ventricle

D) Right ventricle

53 / 100

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

A) Parthenogenesis

B) Ameiotic thelytoky

C) Sexual reproduction

D) Asexual reproduction

54 / 100

54) ഗാർഹിക ഉപഭോക്താക്കൾക്ക് സോളാർ പ്ലാന്റ് സ്ഥാപിക്കുന്നതിനായുള്ള അനെർട്ട് പദ്ധതി?

A) സോളാർ സ്റ്റാർട്ട്‌

B) ജ്യോതിസ്സ്

C) സൂര്യ തേജസ്‌

D) സൗര തേജസ്‌

55 / 100

55) 2022 ഓസ്ട്രേലിയൻ ഓപ്പൺ പുരുഷ കിരീടം നേടിയത് ?

A) ഡാനിൽ മെ‍ദ്‌വദേവ്

B) ഡൊമനിക് തീം

C) നൊവാക് ജോക്കോവിച്ച്

D) റാഫേൽ നദാൽ

56 / 100

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

A) Indigofera

B) Lupin

C) Trifolium

D) Cassia

57 / 100

57) പ്രഥമ ഇഎംഎസ് മന്ത്രിസഭയിൽ ഹരിജനക്ഷേമം ത്തിന്റെ യും തദ്ദേശസ്വയംഭരണത്തിന്റെയും ചുമതല വഹിച്ച വ്യക്തി?

A) കെ ആർ ഗൗരിയമ്മ

B) ചാത്തൻ മാസ്റ്റർ

C) ഡോ എ ആർ മേനോൻ

D) ജോസഫ് മുണ്ടശ്ശേരി

58 / 100

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

A) Rh+ve and Rh -ve

B) Do not depends on Rh factor

C) Any of above conditions

D) Rh -ve and Rh +ve

59 / 100

59) Open circulatory system is present in ?

A) Chordates

B) Annelids

C) Arthropod and molluscs

D) Humans

60 / 100

60) Water potential of imbibants is___?

A) Highly negative

B) Highly positive

C) Zero

D) Always possible

61 / 100

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

A) Tap roots

B) Nodular roots

C) Fiberous roots

D) Adventitious roots

62 / 100

62) 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

A) 1 & 2

B) 3 & 2

C) 1 Only

D) 2 Only

63 / 100

63)

ഇന്ത്യൻ ഭരണഘടന ഭേദഗതി ചെയ്യുന്നതിനുള്ള രീതികൾ താഴെ പറയുന്നവയിൽ ഏതൊക്കെ ആണ്?
1. പാർലമെന്റിന്റെ കേവല ഭൂരിപക്ഷതോടെയുള്ള ഭേദഗതി
2. പാർലമെന്റിന്റെ മൂന്നിൽ രണ്ട് ഭൂരിപക്ഷതോടെയുള്ള ഭേദഗതി
3. പാർലമെന്റിന്റെ പ്രത്യേക ഭൂരിപക്ഷതോടെയുള്ള ഭേദഗതി

A) രണ്ടു മാത്രം

B) ഇവ എല്ലാം ശരിയാണ്

C) ഒന്നുമാത്രം

D) ഒന്നും രണ്ടും മാത്രം

64 / 100

64) Which is not the focal point of the triangular process of teaching ?

A) contents

B) Pupil

C) Teacher

D) Teaching method

65 / 100

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

A) AB

B) A

C) B

D) O

66 / 100

66) The rules of presenting the contents to make them easy are called ?

A) Method of teaching

B) Teaching strategies

C) Maxims of teaching

D) Techniques of teaching

67 / 100

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

A) 2n , n , 2n , n

B) n , n , 2n , 2n

C) 2n, 2n , n , n

D) n , 2n , n , 2n

68 / 100

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

A) First mitosis then meiosis

B) Mitosis

C) Meiosis

D) First meiosis then mitosis

69 / 100

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

A) Hilum

B) Testa

C) Chalaza

D) Micropyle

70 / 100

70) Imbibition causes ___?

A) Increase in the volume of imbibant but no pressure development

B) Volume of imbibant increases and pressure develops

C) No change in volume of imbibant but pressure develops

D) Decrease in the volume of imbibant and pressure develops

71 / 100

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

A) None of these

B) Plasma

C) Serum

D) Blood

72 / 100

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

A) It contains vegetative cell & genetative cell

B) It contains two diploid cells

C) Both A & C

D) It contains one haploid cells

73 / 100

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

A) Isthmus

B) Ampulla

C) Infundibulum

D) Cervical canal

74 / 100

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

A) Both 1 and 2

B) Nutrients

C) Hormones

75 / 100

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

A) Castor

B) Maize

C) Wheat

D) Papaya

76 / 100

76) The process which brings about entry of water into seed coat when seeds are placed in water for germination is ___?

A) Imbibition

B) DPD

C) Diffusion

D) Osmosis

77 / 100

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

A) Is also called auxiliary food chain.

B) Source of energy is detritus.

C) Composed of small chain of detritivores only.

D) Is never connected to GFC.

78 / 100

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

A) secondary productivity

B) net primary productivity

C) gross primary productivity

D) net productivity

79 / 100

79) വൈക്കം സത്യാഗ്രഹികൾക്ക് സൗജന്യ ഭക്ഷണശാല തുടർന്ന് സഹായം നൽകിയത് ആര്?

A) ബംഗാളികൾ

B) കാശ്മീരികൾ

C) ആസാമീസ്

D) അകാലികൾ

80 / 100

80) Plant absorbents consists of ___?

A) Hydrophilic colloids

B) Hydrophobic colloid

C) Cellulose and pectin

D) Lignin like chemical

81 / 100

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

A) All of them

B) Veins and veinlets in a lamina

C) Formal organs

D) Flower in inflorescence

82 / 100

82) Seeds when soaked in water, they imbibe it because of ___?

A) Water potential gradient between the seed coat and water

B) DPD of seed is very much low

C) OP of water is high

D) O. P. inside the seed is low

83 / 100

83) Which of the following statement is incorrect ?

A) Asexual reproduction is a rapid mode of reproduction

B) Embryogenesis involves cell division and cell differentiation

C) Animals are either unisexual or bisexual

D) The life spans of organisms are correlated with their sizes

84 / 100

84) Maize grain is a fruit known as ?

A) Caryopsis

B) Achene

C) Legume

D) Cypsela

85 / 100

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

A) Left Atrium left ventricle ,&right Atrium right ventricle

B) Left ventricle and right Atrium, &right ventricle and left Atrium

C) Right ventricle and left Atrium & right ventricle and right Atrium

D) Right Atrium and right ventricle , &left Atrium and left ventricle

86 / 100

86) Leucocytes are colorless due to ?

A) Lack of hemoglobin

B) Presence of Ca+2 ions

C) Presence of white colour pigments

D) Lack of water

87 / 100

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

A) Semilunar valve

B) Mitral valve

C) Tricuspid valve

D) Bicuspid valve

88 / 100

88) Preamble is formulated after the Constitution is drafted ?

A) True

B) False

89 / 100

89) Which is largest among the given lymphocytes?

A) Eosinophils

B) Lymphocytes

C) Monocytes

D) Basophils

90 / 100

90)

A) B

B) D

C) C

D) A

91 / 100

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

A) 2,4,4

B) 2,2,4

C) 2,3,4

D) 3,3,4

92 / 100

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

A) AB

B) O

C) A

D) B

93 / 100

93) Economic liberty is embodied in the Preamble to the constitution of india.

A) True

B) False

94 / 100

94) Plasma without clotting factor is called ?

A) Serum

B) Lymph

C) Tissue

D) Semen

95 / 100

95) Syngenesious condition of stamen is found in family ?

A) Malvaceae

B) Asteraceae

C) Liliaceae

D) Cruciferae

96 / 100

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

A) Abstaining from coitus from day 5 to 10 of the menstrual cycle.

B) Abstaining from coitus from day 1 to 5 of the menstrual cycle.

C) Abstaining from coitus from day 10 to 17 of the menstrual cycle.

D) Abstaining from coitus from day 17 to 22 of the menstrual cycle.

97 / 100

97) 2021 വേൾഡ് ഗെയിംസ് അത്‌ലറ്റ് ഓഫ് ദി ഇയർ പുരസ്കാരം നേടിയത് ?

A) പി ആർ ശ്രീജേഷ്

B) അഞ്ജു ബോബി ജോർജ്

C) നീരജ് ചോപ്ര

D) റാണി റാംപാൽ

98 / 100

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

A) Deficiency of light

B) Imbalance

C) Shortage of components

D) Homeostasis

99 / 100

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

A) parasite

B) consumer

C) decomposer

D) producer

100 / 100

100) When the heart stop beating condition is called ?

A) Cardiac arrest

B) Heart failure

C) Heart attack

D) Congestive heart Failure

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The average score is 37%

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After taking a Mock Test, you should always asses:

1. The time taken to solve every section.
2. The most time consuming questions.
3. The sections that were easiest and hardest for you.
4. Average time taken to solve a section.

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HSA Natural Science Model Exam : 9

HSA Model Exam :NATURAL SCIENCE

mock test is essentially a practise paper that is completely based on the exam pattern and syllabus.

to boost productivity

Assists in the development of the best plan

Learn new problem-solving approaches.

Defends against anxiousness

After taking a Mock Test, you should always asses:

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