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Biology
How do Organisms Reproduce?
NCERT Solutions
NCERT Solutions
How do Organisms Reproduce?
23 Solutions
Exercise:
All Exercises
EXERCISES
QUESTIONS (In-text, Page 13)
QUESTIONS (In-text, Page 2)
QUESTIONS (In-text, Page 6)
Q1
EXERCISES
Asexual reproduction takes place through budding in
(a)
Amoeba.
(b)
Yeast.
(c)
Plasmodium.
(d)
Leishmania.
Q2
EXERCISES
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
Q3
EXERCISES
The anther contains
(a)
sepals.
(b)
ovules.
(c)
pistil.
(d)
pollen grains.
Q4
EXERCISES
What are the advantages of sexual reproduction over asexual reproduction?
Q5
EXERCISES
What are the functions performed by the testis in human beings?
Q6
EXERCISES
Why does menstruation occur?
Q7
EXERCISES
Draw a labelled diagram of the longitudinal section of a flower.
Q8
EXERCISES
What are the different methods of contraception?
Q9
EXERCISES
How are the modes for reproduction different in unicellular and multicellular organisms?
Q10
EXERCISES
How does reproduction help in providing stability to populations of species?
Q11
EXERCISES
What could be the reasons for adopting contraceptive methods?
Q1
QUESTIONS (In-text, Page 13)
How is the process of pollination different from fertilisation?
Q2
QUESTIONS (In-text, Page 13)
What is the role of the seminal vesicles and the prostate gland?
Q3
QUESTIONS (In-text, Page 13)
What are the changes seen in girls at the time of puberty?
Q4
QUESTIONS (In-text, Page 13)
How does the embryo get nourishment inside the mother's body?
Q5
QUESTIONS (In-text, Page 13)
If a woman is using a copper-T, will it help in protecting her from sexually transmitted diseases?
Q1
QUESTIONS (In-text, Page 2)
What is the importance of DNA copying in reproduction?
Q2
QUESTIONS (In-text, Page 2)
Why is variation beneficial to the species but not necessarily for the individual?
Q1
QUESTIONS (In-text, Page 6)
How does binary fission differ from multiple fission?
Q2
QUESTIONS (In-text, Page 6)
How will an organism be benefited if it reproduces through spores?
Q3
QUESTIONS (In-text, Page 6)
Can you think of reasons why more complex organisms cannot give rise to new individuals through regeneration?
Q4
QUESTIONS (In-text, Page 6)
Why is vegetative propagation practised for growing some types of plants?
Q5
QUESTIONS (In-text, Page 6)
Why is DNA copying an essential part of the process of reproduction?
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