MCQ
Hormone causing stomatal closure is
- A$GA$
- BKinetin
- ✓$ABA$
- D$IBA$
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$\begin{array}{|p{0.3\linewidth}|p{0.6\linewidth}|} \hline Column\,\,-I & Column\,\,-II \\ \hline A.\,\,Ethaphon & P.\,\,Inhibits\,\,seed\,\,germination \\ \hline B.\,\,ABA & Q.\,\,They\,\,all\,\,are\,\,acidic \\ \hline C.\,\,GA & R.\,\,Help\,\,over\,\,come\,\,the\,\,apical\,\,dominance \\ \hline & S.\,\,Hastens\,\,fruit\,\,ripening\,\,in\,\,tomatoes\,\,and\,\,apples. \\ \hline \end{array}$
$(P)$ Their gametophytes is called prothallus.
$(Q)$ Rhizoid present but it is not true root.
$(R)$ Pyranoid contain protein besides starch.
$(S)$ Red pigment, $r$-phycoerythin present in their body.