MCQ
Axile placentation is observed in
- ✓China rose, Petunia and Lemon
- BMustard, Cucumber and Primrose
- CChina rose, Beans and Lupin
- DTomato, Dianthus and Pea
Dianthus and Primrose show free central placentation.
Pea, Lupin and Beans show marginal placentation.
Cucumber and mustard show parietal placentation.
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Statement $I$: In $\mathrm{C}_3$ plants, some $\mathrm{O}_2$ binds to $\mathrm{RuBisCO}$, hence $\mathrm{CO}_2$ fixation is decreased.
Statement $II$: In $\mathrm{C}_4$ plants, mesophyll cells show very little photorespiration while bundle sheath cells do not show photorespiration.
In the light of the above statements, choose the correct answer from the options given below:
| $1.$ | $\text{PRL}$ | $A.$ | Pigmentation of skin |
| $2.$ | $\text{LH}$ | $B.$ | Steriod hormones |
| $3.$ | $\text{ACTH}$ | $C.$ | Formation of milk |
| $4.$ | $\text{MSH}$ | $D.$ | Gonadal activity |