MCQ
Which of the following is most important for speciation?
- ASeasonal isolation.
- BReproductive isolation.
- CBehavioural isolation.
- DTropical Isolation.
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| | Column A | | Column B |
| (i) | Dodo | (a) | Africa |
| (ii) | Quagga | (b) | Russia |
| (iii) | Thylacine | (c) | Mauritius |
| (iv) | Stellar's sea cow | (d) | Australia |
$I.$ chemical engineering
$II.$ genetic engineering
$III.$ human genome engineering
$IV.$ molecular biology
Choose the correct option
$(a)$ Spermatogonia
$(b)$ Secondary spermatocyte
$(c)$ Primary spermatocyte
$(d)$ Spermatid