CBSE Class 8 Science – MCQ and Online Tests – Unit 9 – Reproduction in Animals
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CBSE Class 8 Science – MCQ and Online Tests – Unit 9 – Reproduction in Animals
Choose the correct option.
Question 1.
Which of the following shows external fertilisation?
(a) Frog
(b) Human being
(c) Cow
(d) Hen
Answer
Answer: (a) Frog
Question 2.
In the list of animals given below, hen is the odd one out.
‘human being, cow, dog, hen’
The reason for this is
(a) it undergoes internal fertilisation
(b) it is oviparous
(c) it is viviparous
(d) it undergoes external fertilisation
Answer
Answer: (b) it is oviparous
Question 3.
Which one of the following is not a part of female reproductive organs?
(a) Uterus
(b) Ovary
(c) Oviduct
(d) Penis
Answer
Answer: (d) Penis
Question 4.
In Hydra, the mode of reproduction is
(a) asexual
(b) sexual
(c) both (a) and (b)
(d) none of these
Answer
Answer: (c) both (a) and (b)
Question 5.
The animals that produce new young ones are called
(a) viviparous
(b) oviparous
(c) both
(d) none of these
Answer
Answer: (a) viviparous
Question 6.
The male gamete or sperm consists of
(a) three parts
(b) two parts
(c) four parts
(d) none of these
Answer
Answer: (a) three parts
Question 7.
Ovum or eggs are formed in
(a) ovary
(b) testes
(c) penis
(d) ovident
Answer
Answer: (a) ovary
Question 8.
Internal fertilisation takes place
(a) inside male body
(b) inside female body
(c) outside female body
(d) outside male body
Answer
Answer: (b) inside female body
Question 9.
In humans, the development of fertilised egg takes place in the
(a) ovary
(b) oviduct
(c) testis
(d) uterus
Answer
Answer: (d) uterus
Question 10.
The cell formed after fertilisation is called
(a) embryo
(b) foetus
(c) zygote
(d) egg
Answer
Answer: (c) zygote
Question 11.
The fusion of sperm and ova usually occur in the
(a) ovary
(b) uterus
(c) testes
(d) oviduct
Answer
Answer: (d) oviduct
Question 12.
Sets of reproductive terms are given below. Choose the set that has an incorrect combination.
(a) Sperm, testis, sperm duct, penis
(b) Menstruation, egg, oviduct, uterus
(c) Sperm, oviduct, egg, uterus
(d) Ovulation, egg, oviduct, uterus
Answer
Answer: (c) Sperm, oviduct, egg, uterus
Question 13.
The female gamete is called
(a) ova
(b) sperm
(c) zygote
(d) uterus
Answer
Answer: (a) ova
Question 14.
The male gamete is called
(a) sperm
(b) ova
(c) embryo
(d) zygote
Answer
Answer: (a) sperm
Question 15.
The number of modes by which animals reproduce are
(a) two
(b) three
(c) four
(d) none of these
Answer
Answer: (a) two
Question 16.
Binary fission is observed in
(a) Hydra
(b) yeast
(c) Amoeba
(d) human being
Answer
Answer: (c) Amoeba
Question 17.
Animals exhibiting external fertilisation produce a large number of gametes. Pick the appropriate reason from the following
(a) The animals are small in size and want to produce more offsprings.
(b) Food is available in plenty in water.
(c) To ensure better chance of fertilisation.
(d) Water promotes production of large number of gametes.
Answer
Answer: (c) To ensure better chance of fertilisation.
Question 18.
Which is not a viviparous animal?
(a) Human being
(b) Cow
(c) Dog
(d) Butterfly
Answer
Answer: (d) Butterfly
Question 19.
Budding occurs in
(a) Amoeba
(b) dog
(c) Paramecium
(d) yeast
Answer
Answer: (d) yeast
Question 20.
Asexual reproduction is observed in
(a) cow
(b) buffalo
(c) sponge
(d) hen
Answer
Answer: (c) sponge
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