MCQ
Phytoplanktons are:
- ASaprotrophs
- BAutotrophs
- CHeterotrophs
- DAll of these
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$I$. Ensuring cross-pollination
$II$. Preventing self-pollination
$III$. Ensuring self-fertilisation
$IV$. Genetic control for self-fertilisation
Choose the correct statements from those given above
Match the following sexually transmitted diseases (column $I$) with their causative agent (column $II$) and select the correct option.
| Column $-I$ | Column $-II$ |
| $(A)$ Gonorrhoea | $(i)$ HIV |
| $(B)$ Syphilis | $(ii)$ Neisseria |
| $(C)$ Genital warts | $(iii)$ Treponema |
| $(D)$ AIDS | $(iv)$ Human papilloma virus |