MCQ
The nucleic acid synthesis takes place in:
- A5'-3' direction.
- B3'-5' direction.
- CBoth ways.
- DAny direction.
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Reason : Leguminous plants have Rhizobium in their root nodules.
$R$- The microspores are arranged in a cluster of four cells - the microscopic tetrad.
| $(a)$ Homo habilis | $(i)$ $900\; \mathrm{cc}$ |
| $(b)$ Homo neanderthalensis | $(ii)$ $1350\; \mathrm{cc}$ |
| $(c)$ Homo erectus | $(iii)$ $650-800\; \mathrm{cc}$ |
| $(d)$ Homo sapiens | $(iv)$ $1400\; \mathrm{cc}$ |
Select the correct option.
$(a)\quad (b)\quad (c)\quad (d)$