Question

VI Answer the following questions in one word 1. what is the age of puberty in girls?
2. In humans, which organ produces the ovum!
3. What type of fertilisation takes place in man?
4. In frogs, is the fertilisation external or internal
5. What is the term used for development of oum
6. What is the process that converts tadpole larve
3. Testes, vas deferens, ureter, penis
1. What is the age of puberty in girls?
without fertilisation?
of the
ovum
the
into adult frog?
7. What is the process of fusion of
sperm and
called?
VII. Answer the following questions in brief:
1. Why is reproduction important?
2. How is sex determined in some species of reptiles
3. What happens to the zygote after it is formed?
4. How do egg-laying animals fertilise their eggs?
5. Define 'reproduction
6. What are hermaphrodite animals?
7. Why father is responsible for the sex of a newly
born child?
​

Answer 1

Explanation:

1) Age of puberty in girls is 13

2) In human female reproductive part produces ovum.

3) sexual fertilisation.

4) In frogs fertilisation is external.

5) oestogenesis

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