Tube feet is the locomotory organ in  from Biology NEET Yea

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


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


A.

starfish

Tube feet are extensible tubular processes bearing suckers and present in rows on the under surface of Echinoderms. These are connected internally with water vascular system. Each tube foot has an ampulla, a podium and a sucker. These are sensory structures that take part in adhesion, locomotion, respiration and food capturing. 

Jelly fish is a member of Phylum- Coelenterata. Scoiliodon is a fish and silver fish is an arthropod.


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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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