CBSE Worksheet for Chapter - 6 Reproduction in Animals Class 8

CBSE Worksheet for Chapter - 6 Reproduction in Animals Class 8

Worksheets For class 8

Find CBSE Worksheet for chapter-6 Reproduction in Animals class 8

1. CLASS-8
2. BOARD: CBSE
3. BIOLOGY Worksheet - 6
4. TOPIC: Reproduction in Animals
5. For other CBSE Worksheet for class 8 Science
6. check out main page of Physics Wallah.

1. Animals which lay eggs are called ________ animals.
2. The male gamete is called __________.
3. Which part of sperm gives or provides energy for movement of sperms?
   1. Head
   2. Middle piece
   3. Tail
   4. All of these
4. Another name for oviduct is
   1. cervix
   2. Seminal vesicles
   3. prostate gland
   4. Fallopian tube
5. Which organ releases sperms?
   1. Vas deferens
   2. Testes
   3. Scrotum
   4. Urethra
6. Indicate whether the following statements are True (T) or False (F)
   1. Oviparous animals give birth to young ones
   2. Each sperm is a single cell
   3. External fertilization takes place in frog
   4. A new human individual develops from a cell called gamete
   5. Egg laid after fertilization is made up of a single cell
7. What is the function of testis?
8. Draw a neat labeled diagram of a male sperm.
9. How could a single cell become such a big individual?
10. Explain the importance of reproduction in organisms.

Solutions: to worksheet-6 Topic- Reproduction in Animals

1. Oviparous
2. Sperm
3. (b) Middle piece
4. (d) Fallopian tube
5. (d) Urethra
6. (a) False
   1. True
   2. True
   3. False
   4. False
7. The main function of testis is to produce sperms which are the male reproductive gametes. Testis also secretes a hormone called testosterone which is responsible for secondary sexual characters in males.
8. A single egg cell has a haploid nucleus which fuses with haploid sperm cell to from a diploid zygote that divides and redivides to from an embryo which gets embedded in the uterus for further development. This embryo grows into a foetus which after completing the gestation period is born into an infant. This infant further develops into a big individual.
9. Importance of reproduction in organisms: Living organisms reproduce to maintain their number & for ensuring the continuance of their kind, generation after generation. It replaces old and dying ones by young ones later these young ones feeds, grows and reproduces again to sustain their number. Hence, reproduction is the fundamental feature of all living organisms. It is the means by which life goes on. Life would not exist if organisms did not reproduce.