Questions

QUESTIONS

A.     Fill in the Blank:

1. Sexual reproduction involves fusion of ______ and ______ to form ______.

Ans: Sperm, ovum, Zygote

2. Asexual reproduction produces the new individuals by ______ of cells.

Ans: division

3. Sperm and ovum are called as ______.

Ans: gametes

4. ______ can produce millions of sperms at a time but ______ produces only a single ovum in a month.

Ans: Testes, ovary

5. ______ is a motile type of cell.

Ans: sperm

6. ______ secreted by ovary and testes helps in secondary growth of the organism.

Ans: Hormones

7. Ovum is ______ but sperm is ______in size.

Ans: large, smaller

8. ______ is the part of female reproductive system where development of body occurs.

Ans: uterus

9. Ovary produces female gametes called _______.

Ans: ovum

10. Sperms consist of there main parts ______, ______ and ______.

Ans: Head, middle piece and tail

11. Fusion of the egg and sperm is called as ______.

Ans: Fertilization

12. Zygote is a ______ egg.

Ans: fertilized

13. The site of internal fertilization is ______.

Ans: oviduct

B.     Multiple Choice Questions:

1. Reproduction is a characteristic feature of :-

(a) Living things                            (b) Non-living things

(c) Both of the above                    (d) None of the above

Ans: (a)

2. Sexual reproduction occurs due to the fusion of :-

(a) Embryo       (b) Zygote          (c) Foetus          (d) Gamete

Ans: (d)

3. Sperms are produced by :-

(a) Testes           (b) Ovaries        (c) Scrotum       (d) Fallopian Tube

Ans: (a)

4. Sperm and Ovum are :-

(a) Male and Female gamete respectively

(b) Female and Male gamete respectively

(c) Both are Male gametes

(d) Both are Female gametes

Ans: (a)

5. If both sexes (Male and Female) are located on separate individual body, than such organisms are known as :-

(a) Unisexual    (b) Bisexual      (c) Asexual        (d) None of the above

Ans: (a)

6. Fusion of male and female gamete results in the formation of :-

(a) Embryo       (b) Organism    (c) Foetus          (d) Zygote

Ans: (d)

7. Fusion of male and female gamete is known as :-

(a) Fertilisation                            (b) Implantation

(c) Mating                                      (d) Development

Ans: (a)

8. Fertilization  occurs due to fusion of :-

(a) Sperm with ovum                  (b) Ovum with ovum

(c) Sperm with sperm                 (d) Ovum with zygote

Ans: (a)

9. External fertilisation occurs in organisms living in/on :-

(a) Land             (b) Water           (c) Trees            (d) all of the above

Ans: (b)

10. Earthworm can reproduce by :-

(a) Asexual Reproduction          (b) Sexual Reproduction

(c) Both (a) & (b)                          (d) None of the above

Ans: (b)

C.     Matrix Matching:

Ans: 1 – b; 2 – d; 3 – a; 4 – c

D.     Name the following:

1. Fusion of male and female gametes to form zygote inside the female body. ______

Ans: Internal fertilization

2. Fertilized egg. ______

Ans: (zygote)

3. Organ that receives the ovum from ovary. ______

Ans: fallopian tube

4.  The organ where the zygote matures and grows till it is ready to born. ______

Ans: uterus

5.  Organ that transfers the semen into the female vagina. ______

Ans: penis