MCQ
The cylindrical portion below the level of cotyledons on embryonal axis is
- AEpicotyl
- ✓Hypocotyl
- CRadicle
- DPlumule
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| Column $- I$ | Column $- II$ |
| $(a)$ Organisms | $(i)$ Group of same species individuals |
| $(b)$ Populations | $(ii)$ Individuals |
| $(c)$ Communities | $(iii)$ Forest, desert, grassland |
| $(d)$ Biomes | $(iv)$ Group of many species |
$I.$ it contains human excreta and other organic waste
$II.$ it contains a number of pathogenic microbes
Which of the statement given above is/are correct?
$R$ : This intercalating agent absorbs light in range $260 -330 \;nm.$