MCQ
Pollination occurs when a pollen grain ____________.
- AMatures and has three nuclei
- BLands on a stigma
- CReleases its sperm nuclei
- DReleases its pollen tube nucleus
Explanation:
Pollination is the process by which pollen is transferred from the anther to the stigma of the same plant or different plant of the same species through a pollinating agent.
Thus, enables fertilization and reproduction.
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| Column $- I$ | Column $- II$ |
| $(a)$ Allergy | $(1)$ Malaria |
| $(b)$ Widal test | $(2)\; AIDS$ |
| $(c)\; ELISA$ test | $(3)$ Typhoid fever |
| $(d)$ Haemozoin | $(4)\; IgE$ antibodies |