Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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11.

Third cleavage of frog's development is

  • equatorial

  • vertical

  • latitudinal

  • none of these


C.

latitudinal

First and second cleavage in frog are holoblastic, complete, equal, vertical, whereas third cleavage is holoblastic, complete, unequal, latitudinal or horizontal and near the animal pole. It results in the formation of 8 cells of three are black micromeres which have less or no yolk, so divide faster and 4 are colourless macromeres


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12.

Which of the following is both exocrine and endocrine gland

  • Liver

  • Pancreas

  • Thyroid

  • Adrenal


13.

Which of the following is the part of mid brain of rabbit?

  • Diencephalon

  • Cerebrum

  • Corpora quadrigemina

  • None of the above


14.

Phospholipids are

  • amphipathic

  • hydrophobic

  • amphibolic

  • none of these


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15.

Which of the following assists in the locomotion of the organism stated

  • Epithelium of' Pheretima

  • Trichocysts of Paramecium

  • Pedicellaria of Star fish

  • Posterior sucker of Hirudinaria 


16.

Blood calcium level can be increased by the administration of

  • glucagon

  • thyroxine

  • parathormone

  • caleitonin


17.

The first heart sound is produced when

  • diastole begins

  • semilunar valve close quickly

  • interventricular pressure decrease

  • bicuspid and tricuspid valve close quickly


18.

The epithelial lining in the alveoli of the frogs facing lung cavity is

  • squamous ciliated

  • columnar ciliated

  • columnar nonciliated

  • squamous nonciliated


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19.

The scientist, who described the birds as glorified reptiles, was

  • Romer

  • Huxley

  •  Mendel

  • Robert Hooke


20.

Which of the following is a transparent tissue

  • Tendon

  • Hyaline cartilage

  • Fibrous cartilage

  • All of these


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