Seminal plasma in human males is rich in  from Biology Human Reproduction Class 12 Nagaland Board
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Class 10 Class 12

Seminal plasma in human males is rich in 

  • fructose and calcium

  • glucose and calcium

  • DNA and testosterone

  • ribose and potassium


A.

fructose and calcium

Seminal plasma is the fluid in which sperms are bathed. It contains secretions from seminal vesicle and prostate gland. Seminal fluid contains fructose, citrate, inositol, prostaglandins and several proteins. Prostate secretes a thin, milky fluid that contains calcium, cittrate ion, phosphate ion, a clotting enzyme and a profibrinolysin.

Seminal plasma is the fluid in which sperms are bathed. It contains secretions from seminal vesicle and prostate gland. Seminal fluid contains fructose, citrate, inositol, prostaglandins and several proteins. Prostate secretes a thin, milky fluid that contains calcium, cittrate ion, phosphate ion, a clotting enzyme and a profibrinolysin.

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The process of differentiation of spermatid into a spermatozoa is known as :
  • spermatogenesis
  • gametogenesis
  • spermiogenesis
  • oogenesis

C.

spermiogenesis
1502 Views

Primary spermatocyte produces 4 spermatozoa, but primary oocyte produces :
  • 1 ovum
  • 2 ova
  • 3 ova
  • 4 ova

A.

1 ovum
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Ovulation takes place :
  • 2 weeks before the start of next menstrual cycle
  • 14th day of 28 days cycle
  • 10 days after the cease of previous monthly cycle
  •  All the above are correct.

B.

14th day of 28 days cycle
1177 Views

Which of the following shows hermaphroditism and self fertilization ?
  • Earthworm
  • Tapeworm
  • Both A & B
  • Rotifers.

B.

Tapeworm
976 Views

The chromosone in primary spermatocyte are :
  •  22 + X 
  • 22+Y
  • 44 + XX
  • 44 + XY

D.

44 + XY
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