MCQ
Leaf abscission, fruit fall, and bud dormancy occurs by which phytohormone?
- AAuxin
- BCytokinin
- CGibberellins
- ✓Abscisic acid
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| Gland | Secretion | Effect on body |
| $A$ | Estrogen | Maintenance of secondary sexual characters |
| Alpha cells of Islets of Langerhans | $B$ | Raises blood sugar level |
| Anterior pituitary | $C$ | Over secretion leads to gigantism |
$\begin{array}{|l|l|} \hline Column\,\,I & Column\,\,II \\ \hline a.\,\,Pennatula & 1.\,\,Brain\,\,coral \\ \hline b.\,\,Meandrina & 2.\,\,Sea-fan \\ \hline c.\,\,Gorgonia & 3.\,\,Sea-pen \\ \hline d.\,\,Adamsia & 4.\,\,Sea-anemonea \\ \hline \end{array}$
$a\ \ b\ \ c\ \ d$
$\begin{array}{|p{0.6\linewidth}|p{0.3\linewidth}|} \hline Column\,\,-I & Column\,\,-II \\ \hline (1)\,\,cyclic\,\,photopho & (a)\,\,Only\,\,PS\,\,-\,\,I \\ \hline (2)\,\,Non-cycli\,\,photo-\,\,phosphorylation & (b)\,\,ATP\,\,formed \\ \hline (3)\,\,C_4\,\,-\,\,cycle & (c)\,\,Meristemtic\,\,tissue \\ \hline & (d)\,\,High\,\,productivity \\ \hline \end{array}$