MCQ
In one meiotic cell division, the cell divides
- AOnce
- ✓Twice
- CThrice
- DFour times
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$R$ : In protein, only right handed helices are observed.
| Column I (Animals) | Column II (Country) |
| (A) Dodo | (i) Africa |
| (B) Quagga | (ii) Russia |
| (C) Thylacine | (iii) Mauritius |
| (D) Steller's sea cow | (iv) Australia |
| (E) Passenger pigeon | (v) North America |