Class X

Planaria reproduces asexually by :
  1. Parthenogenesis
  2. Spore formation
  3. Binary fission
  4. Budding
Which of these is not a part of female reprouctive system?
  1. Vas deferens
  2. Ovary
  3. Uterus
  4. Fallopian tube
Pre- natal sex determination has been prohibited by law due to ?
  1. Increasing cases of female foeticide
  2. High cost charged by doctors
  3. Increasing cases of male foeticide
  4. None of these
The testes perform the following fucntion?
  1. Produce male gametes and hormones
  2. Produce testosterone
  3. Produce sperms
  4. Produce sperms and urine
In sperm mitochondria occuurs at ?
  1. In middle piece
  2. In head
  3. In tail
  4. In acrosome
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