Question

Lens answer questions
Anssver in detail
1. Differentiate between the following
10 Egg and sperm
(1) External and internal fertilisation
2. How and where does fertilisation occur in
humans?
3. With the help of a labelled diagram,
describe the male reproductive system
in humans.
4. With the help of a labelled diagram,
describe the female reproductive system
in humans.
8 How is the sex of a child determined?
What happens to the embryo?
How does the placenta help the foetus?
. Explain the term metamorphosis. Draw a
diagram and explain the life cycle of a frog.
Explain with the help of a diagram how
binary fission takes place in the Amoeba.​

Answer 1

Answer:

1st diagram :- Male reproductive organs.

2nd diagram :- Female reproductive organs.

3rd diagram :- Lifecycle of a frog.

4th diagram:- Amoeba

Sorry for the rest...