Multiple Choice Questions

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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 


D.

Posterior sucker of Hirudinaria 

Hirudinaria belongs to class Hirudinea of phylum-Annelida.

It has definite number of body segments (26 + 7= 33). It feeds on blood (sanguivorous) and has anticoagulant hirudin in its saliva. Hirudinaria have a posterior sucker for locomotion. Leech creep by looping and swim by undulations of body.


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

  • Romer

  • Huxley

  •  Mendel

  • Robert Hooke


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

  • squamous ciliated

  • columnar ciliated

  • columnar nonciliated

  • squamous nonciliated


Which of the following is both exocrine and endocrine gland

  • Liver

  • Pancreas

  • Thyroid

  • Adrenal


Which of the following is a transparent tissue

  • Tendon

  • Hyaline cartilage

  • Fibrous cartilage

  • All of these


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

  • Diencephalon

  • Cerebrum

  • Corpora quadrigemina

  • None of the above


The first heart sound is produced when

  • diastole begins

  • semilunar valve close quickly

  • interventricular pressure decrease

  • bicuspid and tricuspid valve close quickly


Phospholipids are

  • amphipathic

  • hydrophobic

  • amphibolic

  • none of these


Third cleavage of frog's development is

  • equatorial

  • vertical

  • latitudinal

  • none of these


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Blood calcium level can be increased by the administration of

  • glucagon

  • thyroxine

  • parathormone

  • caleitonin