MCQ
The number of chromosomes are present in human cell.
- A$22$ pairs
- ✓$23$ pairs
- C$24$ pairs
- D$26$ pairs
✓
Answer
Correct option: B.
$23$ pairs
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→|
Column $I$
|
Column $II$
|
||
| $(a)$ |
Electrically neutral particle
|
$(i)$ |
Copper
|
| $(b)$ |
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|
$(ii)$ |
Neutron
|
| $(c)$ |
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|
$(iii)$ |
Positive
|
| $(d)$ |
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|
$(iv)$ |
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The part of earth in which living organism exist (or which supports life) is called: