321. Which part of ovary in mammals acts as an endocrine gland after ovulation ?

A Stroma
B Germinal epithelium
C Vetelline membrane
D Graafian follicle
Answer :   Graafian follicle
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322. Growth hormone is produced in

A Adrenals
B Thyroid
C Pituitary
D Thymus
Answer :   Pituitary
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323. Thymus gland develops from embryonic

A Mesoderm
B Endoderm
C Ectoderm
D All of the above
Answer :   Endoderm
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324. Conduction of nerve impulse is

A Faster in non-myelinated fibers
B Faster in myelinated fibers
C No difference in the rate of conduction in myelinated & non myelinated fibers
D None of the above
Answer :   Faster in myelinated fibers
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325. When a nerve fibers is stimulated the inside of the membrane becomes

A Filled with acetyl choline
B Negatively charged
C Positively charged
D Neutral
Answer :   Positively charged
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326. Oxytocin helps in

A lactation
B child birth
C ovulation
D implantation of the embryo
Answer :   child birth
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327. Which gland in not originate from embryonic Endoderm

A Thymus
B Parathyroid
C Adrenal Cortex
D Thyroid
Answer :   Adrenal Cortex
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328. A decrease in blood pressure / volume will not cause the release of :

A Atrial natriuretic factor
B Aldosterone
C ADH
D Renin
Answer :   Atrial natriuretic factor
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329. Which cell in our body is more then a feet long

A Nerve cell
B Muscle cell
C Bone cell
D Gland cell
Answer :   Nerve cell
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330. Epinephrine and norepinephrine together known as

A Steroid
B Protein
C Catecholamine
D None of the above
Answer :   Catecholamine
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