MCQ
The plant group in which the nucellus is protected by a lining is:
- APteridophyte
- ✓Gymnosperm
- CAngiosperm
- DNone of these
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(i)$ In chlorophyceae, the stored food material is starch and the major pigments are chlorophyll $-a$ and $d$.
$(ii)$ In phaeophyceae, laminarian is the stored food and major pigments are chlorophyll $-a$ and $b$.
$(iii)$ In rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll $-a, d$ and phycoerythrin
| Column $I$ | Column $II$ |
| $a.$ Weedicide | $(i)$ $GA_3$ |
| $b.$ Bolting | $(ii)$ Cytokinin |
| $c.$ Thinning of cotton | $(iii)$ Ethylene |
| $d.$ Lateral shoot growth | $(iv)$ $2$, $4-D$ |