MCQ
Number of chromosomes found in human gametes ?
- A21
- ✓23
- C44
- D46
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$R$ -They help in the breakdown of complex organic matter as well as in loosening of the soil.
$I$. Decline in death rate
$II$. Rapid increase in $MMR$ and $IMR$
$III$. Rapid decline in $MMR$ and $IMR$
$IV$. Increase in the number of people, in the reproductive age group
$V$. Rapid increase in the death rate