MCQ
If the leaf cell has $8$ chromosomes, it is most likely that
- AZygote will have $4$ chromosomes
- BGametes will have $8$ chromosomes
- ✓Gametes will have $4$ chromosomes
- DZygote will have $16$ chromosomes
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$X-Y-Z$
| Element | % weight of Earths crust | % weight of human body |
| (A) Nitrogen | Very high | 3.3 |
| (B) Oxygen | 46.6 | 65 |
| (C) Sodium | 3.6 | 1.5 |
| (D) Magnesium | 27.7 | 2.1 |