Reproduction How Life Continues Class 9 MCQ Questions Science Chapter 11

These Class 9 Science MCQ and Class 9 Science Exploration Chapter 11 MCQ Online Test with Answers Reproduction How Life Continues focus on both theory and practical applications.

Class 9 Science Chapter 11 Reproduction How Life Continues MCQ

Reproduction How Life Continues MCQ

Class 9 Science Chapter 11 MCQ Online Test

Question 1.
Which part of the flower receives pollen?
(a) Ovary
(b) Stigma
(c) Anther
(d) Petal
Answer:
(b) Stigma

Question 2.
Which of the following shows vegetative propagation?
(a) Sugarcane by stem cutting
(b) Wheat by seeds
(c) Maize by seeds
(d) Pea by seeds
Answer:
(a) Sugarcane by stem cutting

Question 3.
Which of the following statements about reproduction in humans is correct? (NCERT Exemplar)
(a) Fertilisation takes place externally
(b) Fertilisation takes place in the testes
(c) During fertilisation egg moves towards the sperm
(d) Fertilisation takes place in the human female.
Answer:
(d) Fertilisation takes place in the human female.

Question 4.
If all plants reproduced only asexually, what would happen?
(a) Increased variation
(b) No variation
(c) Faster evolution
(d) More diversity
Answer:
(b) No variation

Question 5.
Which of the following is an STI?
(a) Malaria
(b) AIDS
(c) Dengue
(d) Cholera
Answer:
(b) AIDS

Question 6.
In surgical methods used for unwanted pregnancies, which part is cut and tied in males?
(a) Fallopian tube
(b) Ureter
(c) Vas deferens
(d) Urethra
Answer:
(c) Vas deferens

Question 7.
Sets of reproductive terms are given below. Choose the set that has an incorrect combination. (NCERT Exemplar)
(a) sperm, testis, sperm duct, penis
(b) menstruation, egg, oviduct, uterus
(c) sperm, oviduct, egg, uterus
(d) ovulation, egg, oviduct, uterus
Answer:
(c) sperm, oviduct, egg, uterus

Question 8.
Asexual reproduction takes place through budding in
(a) Amoeba
(b) yeast
(c) Plasmodium
(d) Leishmania.
Answer:
(b) yeast

Question 9.
Which of the following is not a part of the female reproductive system in human beings?
(a) Ovary
(b) Uterus
(c) Vas deferens
(d) Fallopian tube
Answer:
(c) Vas deferens

Question 10.
Animals exhibiting external fertilisation produce a large number of gametes. Pick the appropriate reason from the following. (NCERT Exemplar)
(a) The animals are small in size and want to produce more offspring.
(b) Food is available in plenty of water.
(c) To ensure a better chance of fertilisation.
(d) Water promotes the production of a large number of gametes.
Answer:
(c) To ensure a better chance of fertilisation.

Question 11.
Look at the given image and choose the correct option.

A	B	C	D
(a) Fallopian tube	Ovary	Uterus	Vagina
(b) Vagina	Uterus	Ovary	Fallopian tube
(c) Ovary	Fallopian tube	Uterus	Vagina
(d) Ovary	Vagina	Fallopian tube	Uterus

Answer:
(c) Ovary Fallopian tube Uterus Vagina

Question 12.
Which type of reproduction is shown in the given picture?

(a) Budding
(b) Fragmentation
(c) Regeneration
(d) Fission
Answer:
(a) Budding

Question 13.
Choose the correct option.

(a) P- Stigma; Q- Style; R-Ovary; S- Ovule
(b) P- Style; Q- Stigma; R-Ovary; S- Ovule
(c) P- Stigma; Q- Style; R-Ovule; S- Ovary
(d) P- Ovule; Q- Style; R-Ovary; S- Stigma
Answer:
(a) P- Stigma; Q- Style; R-Ovary; S- Ovule

Reproduction How Life Continues Class 9 Assertion and Reason Questions

Directions (Q. No. 1 to 10): The question below consists of an Assertion (A) and a Reason (R). Use the following key to choose the appropriate answer.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.

Question 1.
Assertion (A): Vegetative propagation produces identical plants.
Reason (R): It involves only one parent.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.

Question 2.
Assertion (A): Internal fertilisation is safer.
Reason (R): It occurs outside the female body.
Answer:
(c) A is true but R is false.

Question 3.
Assertion (A): Asexual reproduction produces variation.
Reason (R): It involves only one parent.
Answer:
(d) A is false but R is true.

Question 4.
Assertion (A): Meiosis increases chromosome number.
Reason (R): It forms gametes.
Answer:
(d) A is false but R is true.

Question 5.
Assertion (A): Flowers are reproductive organs of plants.
Reason (R): Insect-pollinated flowers have colourful petals.
Answer:
(b) Both A and R are true, but R is not the correct explanation of A.

Question 6.
Assertion (A): Pollen grains from the pistil stick to the stigma of stamen.
Reason (R): The fertilised egg cells grow inside the ovules and become seeds.
Answer:
(d) A is false but R is true.

Question 7.
Assertion (A): In animals, males and females have different reproductive parts.
Reason (R): Like plants, the reproductive parts in animals also produce gametes.
Answer:
(b) Both A and R are true, but R is not the correct explanation of A.

Question 8.
Assertion (A): Asexual reproduction is a primitive type of reproduction.
Reason (R): Asexual reproduction involves only mitotic cell division.
Answer:
(a) Both A and R are true, and R is the correct explanation of A.

Question 9.
Assertion (A): Testes lie in penis outside the body.
Reason (R): Sperms require a temperature lower than the body temperature for development.
Answer:
(d) A is false but R is true.

Question 10.
Assertion (A): The development of the embryo takes place outside the female body in aquatic animals.
Reason (R): This is called external fertilisation.
Answer:
(b) Both A and R are true, but R is not the correct explanation of A.

Reproduction How Life Continues Class 9 Fill in the Blanks

1. The ………………………… keeps the testes slightly cooler than normal body temperature.
Answer:
scrotum

2. The process of the formation of gametes is called ……………………….. .
Answer:
gametogenesis

3. The release of a mature egg is called ……………………………. .
Answer:
ovulation

4. ………………………… are the three time periods of pregnancy, each lasting about three months.
Answer:
Trimesters

5. To prevent unwanted pregnancy, different …………………………. methods are used.
Answer:
contraceptive

Reproduction How Life Continues Class 9 True or False

1. Sperms are called female gametes.
Answer:
False

2. Testes are male reproductive organs that produce sperm.
Answer:
True

3. Animals reproduce to produce new young ones.
Answer:
True

4. Yeast can reproduce by the process of budding.
Answer:
True

5. Birds transfer pollen while feeding on nectar.
Answer:
True

6. Contraceptive devices help in preventing unwanted pregnancies
Answer:
True

7. Cloning is a method of sexual reproduction.
Answer:
False

8. The ovary is the main male reproductive organ.
Answer:
False

9. After fertilisation, a zygote is formed.
Answer:
True

10. Test tube babies are born by the IVF technique.
Answer:
True

Reproduction How Life Continues Class 9 Match the Following

Question 1.
Match the column A with column B.

Column A	Column B
(i) Wind pollination	(a) Bright petals
(ii) Insect pollination	(b) Light pollen
(iii) Cross-pollination	(c) Transfer of pollen within the same flower
(iv) Self-pollination	(d) Transfer of pollen from one flower to another flower

Answer:
(i) – (b), (ii) – (a), (iii) – (d), (iv) – (c)

Column A	Column B
(i) Wind pollination	(b) Light pollen
(ii) Insect pollination	(a) Bright petals
(iii) Cross-pollination	(d) Transfer of pollen from one flower to another flower
(iv) Self-pollination	(c) Transfer of pollen within the same flower

Question 2.
Match the terms in column A with those in column B.

Column A	Column B
(i) Sperm	(a) Female gamete
(ii) Egg	(b) Male gamete
(iii) Testis	(c) Produce egg
(iv) Ovary	(d) Produce sperm

Answer:
(i) – (b), (ii) – (a), (iii) – (d), (iv) – (c)

Column A	Column B
(i) Sperm	(b) Male gamete
(ii) Egg	(a) Female gamete
(iii) Testis	(d) Produce sperm
(iv) Ovary	(c) Produce egg

Question 3.
Match each term in Column A with its correct description in Column B.

Column A	Column B
(i) Ovary	(a) Site of fertilisation
(ii) Fallopian tube	(b) Produces eggs
(iii) Uterus	(c) Fertilised egg
(iv) Zygote	(d) Site of implantation

Answer:
(i) – (b), (ii) – (a), (iii) – (d), (iv) – (c)

Column A	Column B
(i) Ovary	(a) Site of fertilisation
(ii) Fallopian tube	(b) Produces eggs
(iii) Uterus	(c) Fertilised egg
(iv) Zygote	(d) Site of implantation

Question 4.
Match Column A with Column B.

Column A	Column B
(i) Vegetative reproduction	(a) Fertilisation
(ii) Female gamete	(b) Ovary
(iii) Fusion of male and female gametes	(c) Frog
(iv) Main female reproductive organ	(d) Asexual reproduction
(v) External fertilisation	(e) Egg

Answer:
(i) – (d), (ii) – (e),  (iii) – (a), (iv) – (b), (v) – (c)

Column A	Column B
(i) Vegetative reproduction	(d) Asexual reproduction
(ii) Female gamete	(e) Egg
(iii) Fusion of male and female gametes	(a) Fertilisation
(iv) Main female reproductive organ	(b) Ovary
(v) External fertilisation	(c) Frog

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