Class 12 Biology Chapter 1 – Very Short Questions

Very Short Questions

1. What is reproduction?

Answer:

Reproduction is the biological process by which organisms produce offspring.

2. Why is reproduction important for organisms?

Answer:

It ensures the continuity of species and prevents extinction.

3. Name two types of reproduction.

 

Answer:

Asexual reproduction and sexual reproduction.

 

4. What is the life span of a human?

 

Answer:

The average human life span is around 70–80 years.

 

5. Define asexual reproduction.

Answer:

A type of reproduction where offspring are produced from a single parent without gamete formation.

6. Give one example of an organism that reproduces by budding.

Answer:

Hydra or Yeast.

7. What is binary fission? Give an example.

Answer:

Binary fission is a type of asexual reproduction where a single cell splits into two identical daughter cells. Example: Amoeba.

8. Name one plant that reproduces through fragmentation.

Answer:

Spirogyra.

9. Define sexual reproduction.

Answer:

A type of reproduction that involves the fusion of male and female gametes, leading to genetic variation.

10. What is gametogenesis?

Answer:

The process of formation of male and female gametes through meiosis.

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