Page 105 - Science Class 08

4. Over a period of me the zygote grows into an __________________ .
5. The pair of __________________ in female body produce ovum.

6. The embryo gets embedded in the walls of the __________________ for further
development.

D. Write True or False.
1. Male and female gametes are required for the fer lisa on.
2. External fer lisa on is seen in the animals generally living in water.

3. The ovaries produce female sex hormones called oestrogen.
4. A single matured egg is released into the oviduct by one of the
ovaries every month.
5. Hydra reproduces through the process of budding.
E. Very short answer ques ons.
1. Why is reproduc on so important?

2. What are the two methods of reproduc on?
3. What is gamete?
4. Name any three bisexual organisms.

5. What is external fer lisa on?
6. Name any three organisms which show internal fer lisa on.
F. Short answer ques ons.
1. What is reproduc on?

2. What is sexual reproduc on?
3. Where are male gametes produced?
4. Name any three organs of female reproduc ve system.

5. What do you mean by bisexual organisms?
6. What is internal fer lisa on?
7. What is embryo?
8. What are viviparous animals?

9. What is asexual reproduc on?
10. Name any two organisms that reproduces through asexual reproduc on.
G. Long answer ques ons.

1. How does sexual reproduc on takes place?
2. Write the difference between bisexual and unisexual organisms.
3. Write the process of external reproduc on.
4. Write the process of internal fer lisa on.

5. Write a short note on female reproduc ve system.
6. How does fer lisa on take place inside the body of a female?
7. Write the development process of embryo.
8. How does an amoeba reproduce?

Science-8 105