Thigmotaxis is not shown by from Biology NEET Year 2009 Free Sol

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Which of the following is the largest gland in an adult man?

  • Thymus

  • Liver

  • Thyroid

  • Pancreas


2.

In Pheretima, septa are absent between which segments?

  • 3/4 and 9/10

  • 4/5 and 8/9

  • 5/6 and 7/8

  • 7/8 and 6/7


3.

During emergency which of the following hormone is secreted?

  • Aldosterone

  • Thyroxine

  • Adrenalin

  • Calcitonin


4.

In cockroach, larval and nymphal characters are maintained by

  • ecdysone

  • salivary glands

  • parotid gland

  • juvenile hormone


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5.

Which of the following is a transparent tissue?

  • Tendon

  • Fibrous cartilage

  • Hyaline cartilage

  • All of these


6.

Rh factor is present in

  • all vertebrates

  • all mammals

  • all reptiles

  • man and rhesus monkey only


7.

In rabbit, end of a long bone is connected in another by

  • tendon

  • ligaments

  • muscle

  • cartilage


8.

Which of the following cell type is capable of giving rise to other cell types in sponges?

  • Thesocytes

  • Pinacocytes

  • Cnidocytes

  • Archaeocytes


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9.

Thigmotaxis is not shown by

  • Paramecium

  • Amoeba

  • Ascaris

  • Hydra


C.

Ascaris

Ascaris do not show thigmotaxis.


Amoeba shows thigmotaxis. On coming in contact with a solid object Amoeba generally avoid it by moving in a different by forming pseudopodia.


Hydra is known to respond to a variety of stimuli, both external and internal. On contact with a solid object other than a prey, the whole body usually contracts rather rapidly.

On contact with a hard solid object Paramecium induces avoiding response.


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10.

Animals having a built in thermostat to maintain constant body temperature are known as

  • biothermic

  • poikilothermic

  • oligothermic

  • homeothermic


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