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Multiple Choice Questions

Ethylene is a

  • gaseous hormone

  • gaseous enzyme

  • liquid-gas mixture

  • solid hormone


Cochlea of mammalian internal ear is concerned with

  • hearing

  • balance of body posture

  • both (a) and (b)

  • perception changes of atmospheric pressure


The dendrite carries impulses

  • towards the cyton

  • away from cyton

  • across the body

  • from one neuron to another


Which is not a gonadal hormone

  • Progesterone

  • Testosterone

  • Adrenalin

  • Estrogen


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

  • pupil

  • iris

  • lens

  • cornea


'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


The crystal of lead zirconate is a key component of

  • sonography

  • electrocardiography

  • electroencephalography

  • magnetoencephalography


Antibiotic flavicin is obtained from

  • Aspergillus flavus 

  • Aspergillus clavatum

  • Streptomyces grieseus

  • Streptomyces fradiae


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Cerebrospinal fluid is present

  • beneath the pia mater

  • between piamater and arachnoid

  • between arachnoid and duramater

  • between duramater and cranium


Antifeedant property occurs in

  • nicotine

  • azadiractin

  • rotenone

  • cinerin