MCQ
This is the only type of pollination which during pollination brings genetically different types of pollen grains of the stigma.
- AGeitonogamy
- ✓Xenogamy
- C$A$ and $B$ both
- DAutogamy
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$II.$ $ABA$ is present in all plants including lower plants
$III.$ Low ratio of cytokinin to auxin favours root formation only
$IV.$ $ABA$ is synthesized catabolically through glycolysis pathway Choose the correct combination of options

| Column I | Column II |
| (A) Plante | (i) Reproduce only by asexual spores |
| (B) Deuteromycetes | (ii) Alternation of generation |
| (C) Basidiomycetes | (iii) Conidia |
| (D) Ascomycetes | (iv) Asexual spores are generally not found |
| (e) Phycomycetes | (v) Aseptate and coenocytic |