Class 10 Science Chapter 8 Extra Questions

In this article, you will find Class 10 Science Chapter 8 Extra Questions of Biology. Class 10 Science Chapter 8 Extra Questions consist of extra questions for your better practice for upcoming exams and you can also solve the MCQ questions of chapter 8 of class 10 science. In your board examinations, some questions can be asked on the basis of Activities of Chapter 8.

Class 10 Science Chapter 8 Extra Questions

Class 10 Science Chapter 8 Extra Questions

Class 10 Science Chapter 8 Extra Questions will be very helpful and useful in the context of your upcoming examinations.

 

If you find any difficulty in finding answers to Class 10 Science Chapter 8 Extra Questions, then go through NCERT solutions of class 10 science or you can comment in the comment section, we will be very pleased to help you.

Class 10 Science Chapter 8 Extra Questions

CHAPTER-  8  HOW DO ORGANISMS REPRODUCE?

 

1.    Write the names of any two unicellular organisms.[Annual exam-2012]

2.    Draw a labeled diagram of the female reproductive system in human beings and describe its various organs.[Annual exam-201]

3.    Write the name of the reproductive method in amoeba.[Annual exam-2013]

4.    What is regeneration? Describe the process of regeneration in planaria.[Annual exam-2013]

5.    Write the full form of i) DNA   ii) RNA.

6.    What is the importance of DNA in reproduction?

7.    Why is variation beneficial to the species?

8.    What is asexual reproduction?

9.    Describe the types of asexual reproduction.

10.   Name the method of reproduction in the following organism-

i.      Amoeba

ii.    Plasmodium

iii.  Planaria

iv.    Hydra

v.      Bryophillum

vi.   Rhizopus

vii.  Spirogyra

viii.  Flatworm

11.    Name two organisms that reproduce by budding.

12.    Name two organisms that reproduce by regeneration.

13.    Why is regeneration not similar to reproduction?

14.    Name the plant in which vegetative propagation takes place by leaves.

15.   Name some plants that have lost to produce seeds but can be produced by vegetative propagation.

16.  What is a callus?

17.    Draw the diagrams of the following-

i.     Binary fission in amoeba

ii.  Multiple fission in plasmodium

iii.  Regeneration in planarian

iv.   Budding in hydra

v.       Human male and female reproductive system

vi.    Germination of pollen in plants

18.  What is fertilization?

19.   Describe the following –

i.     Fission

ii.    Fragmentation

iii.  Regeneration

iv.     Budding

v.       Vegetative propagation

20.   What is pollination?

21.   Describe the process of sexual reproduction in plants.

22.   What is puberty? What changes occur in boys and girls at the time of puberty?

23.  How does the embryo get nourishment in the mother’s body?

24.    What happens when the egg is not fertilized?   OR    what is the menstruation cycle?

25.   Describe the male reproductive system with a suitable diagram.

26.   Describe the female reproductive system with a suitable diagram.

27.    What do you mean by sexually transmitted diseases? Name some diseases.

28.   What is the role of the seminal vesicle and the prostate gland?

29.  What is tissue culture?

30.   What are the advantages of vegetative propagation?

31.    What are the main functions of testes in human beings?

32.    Where fertilization takes place in human beings?

33.    How zygote is formed?

34.    What do you mean by STD? Name some sexually transmitted diseases?

35.    Name some contraceptive methods to prevent pregnancy?

36.    How does binary fission differ from multiple fission?

37.    How will an organism be benefited if it reproduces through spores?

38.    Why can more complex organisms not give rise to new individuals through regeneration?

39.   Why is vegetative propagation practiced for growing some types of plants?

40.  Why is DNA copying an essential part of the process of reproduction?

41.  What will happen when the DNA is combined in every new generation?

42. What is the motile germ cell in plants called?

43.  What is the germ cell that stores food called?

44.   Where are the reproductive parts located in angiosperms?

45.   What is the reproductive part of plants?

46.   What are unisexual plants? Give examples.

47.   What are bisexual plants? Give examples.

48.   Name the male and female reproductive parts in plants.

49.   Name the different parts of the female reproductive part.

50.   What is self-pollination?

51.   What is cross-pollination?

52.   Name the agents that are responsible for the transfer of pollen from one flower to another.

53.   What is germination?

54.   What do you mean by puberty?

55.    Why does the boy or the girl show sexual maturation at a particular age?

56.   Why are testes located outside the abdominal cavity?

57.  How does the embryo get nutrition from the mother?

58.  Name some sexually transmitted diseases?

59.  Write the full forms of the following-

i.    AIDS

ii.   HIV

iii. STD

60.  What will happen if vas deferens is blocked?

61. Name the contraceptive devices which are placed in the uterus.

62. What will happen if the fallopian (oviduct) is blocked?

63. What is the role of the seminal vesicle and the prostate gland?

64.  What are the changes seen in the boy and girl at the time of puberty?

65. What is the placenta? And what is its function?

66. Name the sexually transmitted diseases caused by bacteria.

67. Name the sexually transmitted diseases caused by viruses.

68. What is tissue culture in plants?

69. How the sexual mode of reproduction leads to better survival of the species?

70.What is hermaphrodite? Give examples.

71. Draw a longitudinal section of a flower and label the following parts-

i.     Part that transfers male gametes to the female gametes

ii.   Part that is sticky to trap the pollen grains.

iii.  Part that develops into a fruit.

iv.   Part that reproduces pollen grains

72. Differentiate between pollination and fertilization.

73. What do you mean by terms‘ external fertilization and ‘internal fertilization’.

74. What is menopause?

75. What is ovulation?

76. What happens to the lining of the uterus before fertilization of an egg

77. What are STD and VD?

78. Write the full form of STD, HIV, OC, WHO.

Related Topics

• Activities of chapter 8 explanation 
• Chapter 8 How Do Organisms Reproduce?
• Chapter 9 Heredity and Evolution
• MCQ Questions  for Class 10 Science Biology Chapter 8
•  How Do Organisms Reproduce Extra Questions