The echinoderms are from Biology NEET Year 2010 Free Solved Prev

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Human ear ossicles are

  • incus and stapes

  • stapes

  • incus, malleus and stapes

  • incus and malleus


2.

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

  • Capsid

  • Protein

  • Envelope

  • Ribosome


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3.

The echinoderms are

  • arborial insects

  • marine animals

  • terrestrial insects

  • freshwater forms


B.

marine animals

All members of Phylum- Echinodermata are marine. Therefore, Echinoderms are marine, spiny skinned animals. They have water vascular system for locomotion, eg, starfish, Antedon.

Arboreal insects lives on trees. Freshwater forms are animals or plants living in fresh water of ponds, eg, Hydrilla.


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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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