Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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1.

Antibiotic flavicin is obtained from

  • Aspergillus flavus 

  • Aspergillus clavatum

  • Streptomyces grieseus

  • Streptomyces fradiae


2.

The crystal of lead zirconate is a key component of

  • sonography

  • electrocardiography

  • electroencephalography

  • magnetoencephalography


3.

Antifeedant property occurs in

  • nicotine

  • azadiractin

  • rotenone

  • cinerin


4.

'Climacteric' is

  • a phenomenon related to fruit ripening

  • the condition of a plant when all its fruits are almost ripe

  • the condition of a plant when most of its leaves have turned yellow

  • none of the above


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5.

Ethylene is a

  • gaseous hormone

  • gaseous enzyme

  • liquid-gas mixture

  • solid hormone


6.

Which is not a gonadal hormone

  • Progesterone

  • Testosterone

  • Adrenalin

  • Estrogen


7.

Cochlea of mammalian internal ear is concerned with

  • hearing

  • balance of body posture

  • both (a) and (b)

  • perception changes of atmospheric pressure


8.

The part of an eye which acts like a diaphragm of a photographic camera is

  • pupil

  • iris

  • lens

  • cornea


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9.

The dendrite carries impulses

  • towards the cyton

  • away from cyton

  • across the body

  • from one neuron to another


10.

Cerebrospinal fluid is present

  • beneath the pia mater

  • between piamater and arachnoid

  • between arachnoid and duramater

  • between duramater and cranium


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