MCQ
Which among the following is allylic secondary alcohol?
- AProp-2-en-l-ol
- ✓But-3-en- 2-ol
- CBut-2-en-l-ol
- D2-Methylbut-3-en-2-ol
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The ability of the pistil to recognize pollen is dependent on ____________ components and ____________ guide the entry of pollen tube. This study leads to help ____________ in getting ____________ even in ____________.
p. Chemical
q. Plant breeders
r. Hybrids
s. Incompatible pollination
t. Synergids
i. In post-fertilization changes within the ovule, the development of embryo is followed by the development of endosperm.
ii. Helobial endosperm is intermediate between cellular and nuclear type endosperm.
iii. Helobial endosperm is mostly observed in 72 families of dicots.