MCQ
In angiosperms, microsporogenesis andmegasporogenesis
- AForm gametes without further divisions
- ✓Involve meiosis
- Coccur in ovule
- Doccur in anther
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Match the following columns
| Column-I | Column-II |
| $(A)$ Barrier | $(1)$ Copper$-T$ |
| $(B)$ $IUD$ | $(2)$ Vasectomy and tubectomy |
| $(C)$ Surgical technique | $(3)$ Condoms cervical Caps |
| $(D)$ Adminisitrating hormones | $(4)$ Oral, pill and saheli |
| List $- I$ | List $- II$ |
| $(a)$ Adaptive radiation | $(i)$ Selection of resistant varieties due to excessive use of herbicides and pesticides |
| $(b)$ Convergent evolution | $(ii)$ Bones of forelimbs in Man and Whale |
| $(c)$ Divergent evolution | $(iii)$ Wings of Butterfly and Bird |
| $(d)$ Evolution by anthropogenic action | $(iv)$ Darwin Finches |
Choose the correct answer from the options given below.
$(a)- (b)- (c)- (d)$