Multiple Choice Questions

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Proximal and distal convoluted tubules are parts of a

  • nephron

  • oviduct

  • vas deferens

  • caecum


A.

nephron

A nephron is made of two parts Malpighian corpuscle and tubule. Tubule consists of Proximal Convoluted Tubule (PCT), loop of Henle and distal convoluted tubule. 

The proximal tubule is the segment of the nephron in kidneys which begins from the renal pole of the Bowman's capsule to the beginning of loop of Henle. The distal convoluted tubule (DCT) is a portion of kidney nephron between the loop of Henle and the collecting tubule.


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Earthworms are economically important for man as these are used as

  • bait for catching fish

  • food of poultry

  • medicine for gout

  • All of the above


Posterior pituitary gland

  • produces and store hormones

  • stores 6 trophic honnones

  • stores and releases ADH and oxytocin

  • release and store growth and thyroid stimulating hormone


Cranial nerve showing maximum branching is

  • trigeminal

  • vagus

  • optic

  • facial


Heart beats originates from

  • pace maker

  • cardiac muscles

  • left atrium

  • right ventricle


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The instrument used for measuring blood pressure is

  • electrocardiograph

  • X-rays

  • sphygmomanometer

  • electroencephalograph


Water vascular system is characteristic of

  • Protozoa

  • Porifera

  • Annelida

  • Echinodermata


Gonadotrophins are secreted from

  • gonads

  • anterior pituitary

  • posterior pituitary

  • antidiuretic hormone


Which of the following is a part of pectoral girdle?

  • Ilium

  • Ischium

  • Acetabulum

  • Glenoid cavity


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Heart sound dub is caused due to closing of

  • valve

  • tricuspid valve

  • semilunar valve

  • None of the above