MCQ
The following mammal lays eggs
- APorcupine
- ✓Platypus
- CKangaroo
- DKoala
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| Column-l | Column-II |
| A. 2,4-D | i. Herring sperm DNA |
| B. ABA | ii. Bolting |
| C. Ethylene | iii. Stomatal closure |
| D. GA | iv. Weed-free lawns |
| E. Cytokinins | v. Ripening of fruits |
| Column $- I$ | Column $- II$ |
| $(1)$ Inheritance of two genes | $(a)\; ABO$ blood group |
| $(2)$ Incomplete dominance | $(b)\; 1:2:1$ |
| $(3)$ Codominance | $(c)\;9:3:3:1$ |
| $(4)$ Inheritance of one gene | $(d)\; 3:1$ |
| Convergent evolution | Divergent evolution | |
| (A) Eye of octopus and mammals | Bones of forelimbs of vertebrates | |
| (B) Thorns of Bougainvillea and tendrils of Cucurbita | Wings of butterflies and bird | |
| (C) Bones of forelimbs of vertebrates | Wings of butterfly and birds | |
| (D) Thorns of Bougainvillea and tendrils of Cucurbita | Eyes of octopus and mammals |