Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

41.

Identify the correct sequence of events in the viral replication process.

I. Eclipse

II. Maturation

III. Adsorption

IV. Assembly

V. Penetration

VI. Lysis

  • I, II, III, IV, V, VI

  • II, I, III, IV, V, VI

  • III, V, I, II, IV, VI

  • III, V, VI, IV, II, I


42.

Match the items in column I with those in Column II and choose the correct answer.

Column I Column II
A. Blue- green algae as biofertilizer 1. Ectomycorrhiza
B. Fungi as biofertilizer 2. Thiobacillus sp.
C. Free living nitrogen fixing bacteria 3. Anabaena sp.
D. Phosphate solubilizing bacteria

4. Clostridium sp.

5. Azospirillium sp.

  • A- 3; B- 1; C- 5; D- 2

  • A- 5; B- 1; C- 2; D- 4

  • A- 5; B- 4; C- 1; D- 2

  • A- 4; B- 2; C- 4; D- 2


43.

Identify the incorrect statements from the following

I. Cymose inflorescence found in Hibiscus sp.

II. Hypenthodium is found in Ficus benghalensis

III. Synandrous stamen is found in Calotropis

IV. Hesperidium type of fruit is mango

  • III and IV

  • I and II

  • II and III

  • I and IV


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44.

How many ATP molecules will be generated in a plant system . during complete oxidation of 40 moles of glucose?

  • 190

  • 380

  • 1520

  • 3040


C.

1520

Breakdown (complete oxidation) of one molecule of glucose by aerobic respiration produces 38 ATP molecules. So, complete oxidation of 40 molecules of glucose will produce.

40 x 38 ATP = 1520 ATP molecules.


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45.

In most simple type of canal system of Porifera, water flows through which one of the following ways?

  • Ostia  Spongocoel  Osculum  Exterior

  • Spongocoel  Ostia  Osculum  Exterior

  • Osculum  Spongocoel  Ostia  Exterior

  • Osculum  Ostia  Spongocoel  Exterior


46.

Identify the origin of sympathetic nerve fibres and the location of their ganglia.

  • They arise from thoracolumbar region of spinal cord and form ganglia just beside the vertebral column

  • They arise from thoracocervical region of spinal cord and form ganglia just beside the vertebral column

  • They arise from cranio-sacral region of spinal cord and from ganglia very close to effector organ

  • They arise from thoracolumbar region of spinal cord and form ganglia very close to effector organ


47.

Among the following characteristics, indicate the correct combination applicable to conditional reflex.

I. Acquired by practice or learning

II. Non acquired by birth.

III. Does not abolish by lack of practice

IV. Participation of cerebral cortex

V. Originates spontaneously

  • I, II and III

  • I, II and IV

  • I and IV

  • II, III and V


48.

Which one of the following life cycle stages of Wuchereria bancrofti is infective to man?

  • Microfilaria

  • 1st stage larva

  • 2nd stage larva

  • 3rd stage larva


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49.

Which one of the following life cycle stages of malarial parasite is responsible for relapse of malarial symptoms?

  • Merozoite

  • Sporozoite

  • Hypnozoite

  • Gametocyte


50.

Which one of the following poultry birds is not an english breed?

  • Sussex

  • Australorp

  • Orpington

  • Minorca


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