MCQ
Nitrogen fixation in root nodules of Alnus is brought about by:
- AFrankia.
- BAzospirillum.
- CNostoc.
- DRhizobium.
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| Column $- I$ | Column $- II$ |
| $(A)$ Lamark | $(p)$ Finch bird |
| $(B)$ De Vries | $(q)$ Evening primerose |
| $(C)$ Darwin | $(r)$ Giraffes |
| $(s)$ Melanic moths |
Statement $2$: Amniocentesis is meant for determining the genetic disorders in the foetus, but it is being used to determine the sex of the foetus, to kill the normal female foetus