MCQ
One turn of $DNA$ possesses
- Aone base pair
- Btwo base pairs
- Cfive base pairs
- ✓ten base pairs
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$I.$ It provides all the optimal conditions for achieving the desired product by providing optimal growth conditions like temperature, $p H$, substrate, salt, vitamin and oxygen
$II.$4 It is suited for large-scale production of microorganisms under aseptic conditions for a number of days
Correct option is
Match the following columns and select the correct option.
| Column$-I$ | Column$-II$ |
| $(a)$ Placenta | $(i)$ Androgens |
| $(b)$ Zona pellucida | $(ii)$ Human Chorionic Gonadotropin $(hCG)$ |
| $(c)$ Bulbo$-$urethral glands | $(iii)$ Layer of the ovum |
| $(d)$ Leydig cells | $(iv)$ Lubrication of the Penis |
$(a)\quad(b)\quad(c)\quad(d)$