Given below are a few statements related to external fertilizatio… - Vidyadip

MCQ

Given below are a few statements related to external fertilization. Choose the correct statements:
$i.$ The male and female gametes are formed and released simultaneously.
$ii.$Only a few gametes are released into the medium.
$iii.$Water is the medium in a majority of organisms exhibiting external fertilization.
$iv.$Offspring formed as a result of external fertilization have better.
Chance of survival than those formed inside an organism,

A
$iii$ and $iv.$
✓
$i$ and $iii.$
C
$ii$ and $iv.$
D
$i$ and $iv.$

✓

Answer

Correct option: B.

$i$ and $iii.$

Release of both the gametes simultaneously is necessary to ensure fertilization.
The male gametes need some medium through which they can travel up to the female gamete. Water is the medium for most the cases; while air is a medium in some cases.

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