Gonadotrophins are secreted from from Biology NEET Year 2009 Fre

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Proximal and distal convoluted tubules are parts of a

  • nephron

  • oviduct

  • vas deferens

  • caecum


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


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7.

Gonadotrophins are secreted from

  • gonads

  • anterior pituitary

  • posterior pituitary

  • antidiuretic hormone


B.

anterior pituitary

Gonadotropic hormones, eg, gonadotrophins are of two types : Follicular stimulating hormone and luteinizing hormone. These hormones are secreted from anterior pituitary gland. Gonads secrete sex hormones and posterior pituitary gland secretes oxytocin and antidiuretic hormone.


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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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