$A$ large number of offspring are produced in the case of:

  • A
    Fertilization that occurs in an external medium
  • B
    Fertilization that occurs in an internal medium
  • C
    Either $(a)$ or $(b)$
  • D
    Both $(a)$ and $(b)$

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In organisms,the further development of the zygote depends on:

Match the following organisms with their approximate life spans:
Column-$I$ Column-$II$
$A$. Elephant $a$. $1 \text{ month}$
$B$. Fruit fly $b$. $4 \text{ months}$
$C$. Rice plant $c$. $7-15 \text{ days}$
$D$. Butterfly $d$. $60-90 \text{ years}$

The disadvantage of parthenogenesis is:

Binary fission is found in

Which events include gametogenesis and gamete transfer?

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