MCQs Zoology-27

1. Crossing over is a genetic process,  where exchange of genetic material occurs between ———–

2.

Mustard gas was first identified as a chemical mutagen in experiments on __________.

3. Inbreeding depression is typically more severe in __________.

4. Which mineral is essential for thyroid hormone synthesis?

5. Synaptonemal complex, which forms between homologous chromosomes during prophase I of meiosis, is mainly composed of ———-

6. The reduction of chromosome number from 2n to n occurs during ————-

7. In which phase of meiosis does synapsis occur?

8. The structure that forms during synapsis is called—————–

9. Crossing over occurs during —————

10. The most energy-dense nutrient per gram is ———-