Proximal and distal convoluted tubules are parts of a from Biolo

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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1.

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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2.

Heart sound dub is caused due to closing of

  • valve

  • tricuspid valve

  • semilunar valve

  • None of the above


3.

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


4.

The instrument used for measuring blood pressure is

  • electrocardiograph

  • X-rays

  • sphygmomanometer

  • electroencephalograph


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5.

Heart beats originates from

  • pace maker

  • cardiac muscles

  • left atrium

  • right ventricle


6.

Cranial nerve showing maximum branching is

  • trigeminal

  • vagus

  • optic

  • facial


7.

Gonadotrophins are secreted from

  • gonads

  • anterior pituitary

  • posterior pituitary

  • antidiuretic hormone


8.

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


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9.

Which of the following is a part of pectoral girdle?

  • Ilium

  • Ischium

  • Acetabulum

  • Glenoid cavity


10.

Water vascular system is characteristic of

  • Protozoa

  • Porifera

  • Annelida

  • Echinodermata


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