Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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1.

Human ear ossicles are

  • incus and stapes

  • stapes

  • incus, malleus and stapes

  • incus and malleus


C.

incus, malleus and stapes

Ear ossicles are three small non- supporting bones of body, present in middle ear of human. They are responsible for transmitting and amplifying vibrations received from tympanum.

Ear ossicle Shape Size
Malleus Hammer Largest ear ossicle
Incus Anvil Medium sized ear ossicle
Stapes Stirrup Smallest ear ossicle

 


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2.

Which part of an animal virus is not reproduced in multiple copies?

  • Capsid

  • Protein

  • Envelope

  • Ribosome


3.

The echinoderms are

  • arborial insects

  • marine animals

  • terrestrial insects

  • freshwater forms


4.

The blood of cockroach contains no respiratory pigment. It means that

  • respiration is anaerobic

  • cockroach does not respire

  • oxygen goes directly into tissues by diffusion

  • oxygen goes into tissue by intracellular capillary system


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5.

Tube feet is the locomotory organ in 

  • starfish

  • jelly fish

  • silver fish

  • Scoliodon


6.

Follicle Stimulating Hormone is secreted by

  • anterior lobe of pituitary

  • hypothalamus

  • gonads

  • poterior lobe of pituitary


7.

Which of the following amino acids is not optically active?

  • Glycine

  • Valine

  • Leucine

  • Isoleucine


8.

Which of the following vitamins is water soluble as well as an antioxidant?

  • Vitamin- B1

  • Vitamin-A

  • Vitamin-D

  • Vitamin-C


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9.

During strenuous excercise, glucose is converted into

  • glycogen

  • pyruvic acid

  • starch

  • lactic acid


10.

'Adaptation' of eyes in dark is due to

  • depletionof vision pigment in rods

  • depletion of vision pigment in cones

  • repletion of vision pigment in rods

  • repletion of vision pigment in cones


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