1. Currently it is held that somatic variations are not inherited, while heritable mutations which help organism in adoption are selected by "Nautre" and get maximum chance for transmission to future generations and form basis of evolution. State whether this statement is?

2. Which of the following chemicals can induce mutations?

3. A sudden heritable change is called?

4. Mutations in an organism are?

5. Generally the mutations are?

6. Role of nutation in the process of organic evolution is?

7. A mutation means?

8. In which of the following conditions of gene, the pregnancy of mutant gene is expected to increase in a population?

9. Muller induced mutation in Drosophila melanogester by exposure to?

10. Mutations are respobsible for bringing?