MCQ
A dioecious flowering plant prevents both.
- AGeitonogamy and xenogamy.
- BAutogamy and xenogamy.
- CAutogamy and geitonogamy.
- DCleistogamy and xenogamy.
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| | Column A | | Column B |
| i. | Lady bird | a. | Methano bacterium |
| ii. | Mycorrhiza | b. | Trichoderma |
| iii. | Biological control | c. | Aphids |
| iv. | Biogas | d. | Glomus |