Students can practice the NCERT MCQ Questions for Class 10 Science Chapter 8 How do Organisms Reproduce with Answers Pdf free download is available here. Revise all the concepts easily by taking help from the MCQ Questions for Class 10 Science with Answers are prepared based on the latest exam pattern. Students can refer these How do Organisms Reproduce Class 10 MCQs Questions with Answers and assess their preparation level.
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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