How do Organisms Reproduce Class 10 MCQs Questions with Answers
Question 1.
Binary fission is a method of asexual reproduction in:
(a) amoeba
(b) hydra
(c) fern
(d) none of these.
Answer:
(a) amoeba
Question 2.
What is present in pollen Sac?
(a) Calyx
(b) Ovary
(c) Ovule
(d) Pollen grains
Answer:
(d) Pollen grains
Question 3.
During the process of fertilization in plants, male gamete fuses with the egg and the second with the secondary nucleus. This is known as:
(a) simple fertilization
(b) double fertilization
(c) fusion
(d) all these.
Answer:
(b) double fertilization
Question 4.
Budding is found in:
(a) Planaria
(b) Hydra
(c) Leishmania
(d) All of these
Answer:
(a) Planaria
Question 5.
In tissue culture method a small piece of tissue grows and forms:
(a) callus
(b) monocytes
(c) synaps
(d) homeostasis
Answer:
(a) callus
Question 6.
During pregnancy menstruation is:
(a) present
(b) absent
(c) intermittent
(d) present with pain
Answer:
(b) absent
Question 7.
Vegetative reproduction is possible by:
(a) root
(b) stem
(c) leaves
(d) all these
Answer:
(d) all these
Question 8.
After fertilization which structure forms fruit:
(a) calyx
(b) corolla
(c) stamen
(d) ovary
Answer:
(d) ovary
Question 9.
How many male gametes are found in pollen tube:
(a) one
(b) two
(c) three
(d) four
Answer:
(b) two
Question 10.
In boys the puberty occurs at the age of:
(a) 10-12 years
(b) 12-14 years
(c) 16-18 years
(d) 20-22 years
Answer:
(b) 12-14 years
Question 11.
After menstruation, ovulation takes place:
(a) after 6-10 days
(b) 12-14 days
(c) 16-20 days
(d) 22-28 days
Answer:
(b) 12-14 days
Question 12.
Gland which is found only in males is:
(a) gastric gland
(b) perineal gland
(c) pancreas
(d) prostate gland
Answer:
(d) prostate gland
Question 13.
Testes are present outside the body in man because:
(a) there is less space in the abdominal cavity
(b) temperature is less outside the body
(c) copulation is easy
(d) none of the above
Answer:
(b) temperature is less outside the body
Question 14.
The name of the tissue which is formed after triple fusion in the process of double fertilization is:
(a) endosperm
(b) embryo
(c) radicle
(d) none of these
Answer:
(a) endosperm
Question 15.
In angiosperms after fertilization seed coat is formed by:
(a) secondary nucleus
(b) integuments
(c) ovary wall
(d) embryo sac
Answer:
(b) integuments
Question 16.
The middle part of carpel of a flower is called:
(a) stigma
(b) style
(c) ovary
(d) ovule
Answer:
(b) style
Question 17.
Double fertilization is the characteristic of:
(a) animals
(b) angiospermic plants
(c) gymnospermic plants
(d) algae.
Answer:
(b) angiospermic plants
Question 18.
Variations in organisms occur through:
(a) vegetative reproduction is
(b) asexual reproduction
(c) sexual reproduction
(d) spore formation
Answer:
(c) sexual reproduction
Question 19.
Transfer of pollen grains trom pollen sac to stigma is called:
(a) pollination
(b) ovulation
(c) fertilization
(d) none of these
Answer:
(a) pollination
Question 20.
The development of fruit after fertilization occurs from:
(a) androecium
(b) stigma
(c) style
(d) ovary
Answer:
(d) ovary
Question 21.
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 22.
The anther contains:
(a) sepals
(b) ovules
(c) carpel
(d) pollen grains
Answer:
(d) pollen grains
Question 23.
A sexual reproduction takes place through budding in:
(a) Amoeba
(b) Yeast
(c) Plasmodium
(d) Leishmania
Answer:
(b) Yeast
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