MCQ
Water stress causes:
- AOpening of stomata.
- BIncrease in metabolic rate.
- CWilting of leaves.
- DLesser availability of carbon dioxide.
Explanation:
Water stress causes closure of stomata. Since stomata is closed carbon dioxide available to plants is less.
Metabolic rate decreases which causes wilting of leaves.
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| Column$-I$ | Column$-II$ |
| $(a)$. Limulus | $(i)$ Tusk shell |
| $(b)$. Ophiura | $(ii)$ Tapeworm |
| $(c)$. Taenia | $(iii)$ Brain coral |
| $(d)$. Meandrina | $(iv)$ King crab |
| $(e)$. Dentalium | $(v)$ Brittle star |
$R$ : In protein, only right handed helices are observed.