Ureters act as urogenital ducts in from Biology Human Reproduction Class 12 Nagaland Board
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Class 10 Class 12

Ureters act as urogenital ducts in

  • humans males

  • human females

  • frog's both males and females

  • frog's males


D.

frog's males

In the male frog, vasa efferential finally communicates with the urogenital duct tat comes out of the kidneys and open into claca. The cloaca is a small, median chamber that is used to pass faecal matter, urine and sperms to the exterior.

In the male frog, vasa efferential finally communicates with the urogenital duct tat comes out of the kidneys and open into claca. The cloaca is a small, median chamber that is used to pass faecal matter, urine and sperms to the exterior.

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

D.

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

C.

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

A.

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

B.

Tapeworm
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