The number of six-membered and five-membered rings present in norethindrone (a synthetic progesterone) are respectively:
- A$2$ and $2$
- B$3$ and $1$
- C$3$ and $3$
- D$3$ and $2$
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$A, B$ and $C$ are three biomolecules. The results of the tests performed on them are given below:
$\text{Molisch's Test}$ $\text{Barfoed Test}$ $\text{Biuret Test}$ $A$ $\text{Positive}$ $\text{Negative}$ $\text{Negative}$ $B$ $\text{Positive}$ $\text{Positive}$ $\text{Negative}$ $C$ $\text{Negative}$ $\text{Negative}$ $\text{Positive}$
$A, B$ and $C$ are respectively:
| $\text{Molisch's Test}$ | $\text{Barfoed Test}$ | $\text{Biuret Test}$ | |
| $A$ | $\text{Positive}$ | $\text{Negative}$ | $\text{Negative}$ |
| $B$ | $\text{Positive}$ | $\text{Positive}$ | $\text{Negative}$ |
| $C$ | $\text{Negative}$ | $\text{Negative}$ | $\text{Positive}$ |
$A, B$ and $C$ are respectively:
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