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Heredity and Evolution

Q. 224. What do you understand by heredity and variation?

Q. 225. Define monohybrid and dihybrid crosses.

Q. 226. Describe the structure of DNA.

Q. 227. What is genetic material, and what is its location?

Q. 228. Is RNA also the genetic material, if so, discuss with suitable examples.

Q. 229. What are prokaryotic and eukaryotic cells?

Q. 230. What is organic evolution. Give examples.

Q. 231. What is sex chromosome?

Q. 232. Write the expanded form of DNA.

1. Rate Chemical Reaction and Chemical Equilibrium
2. Sources of Energy
3. Nuclear Fission and Fusion
4. Metals and Non-metals
5. Carbon Compounds
6. Light: Reflection and Refraction.
7. Electricity and Its Heating and Chemical Effect
8. Magnetic Effects of Electric Current
9. The Universe
10. Nutrition and Respiration.
11. Transportation and Excretion.
12. Control and Coordination
13. Reproduction
14. Heredity and Evolution
15. Environment and Environmental Problems