MEDIUM
10th CBSE
IMPORTANT
Earn 100

Distinguish between a gamete and zygote. Explain their roles in sexual reproduction.

Important Questions on How do Organisms Reproduce

MEDIUM
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 8 - How do Organisms Reproduce>Long Answer Type Questions>Q 53
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
MEDIUM
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 8 - How do Organisms Reproduce>Long Answer Type Questions>Q 54
What is the placenta? Mention its role during pregnancy.
HARD
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 8 - How do Organisms Reproduce>Long Answer Type Questions>Q 55

What are various ways to avoid pregnancy? Elaborate any one method.

MEDIUM
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 8 - How do Organisms Reproduce>Long Answer Type Questions>Q 56
How does fertilisation take place? Fertilisation occurs once in a month. Comment.
HARD
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 8 - How do Organisms Reproduce>Long Answer Type Questions>Q 57
Reproduction is essentially a phenomenon that is not for survival of an individual but for the stability of a species. Justify.
MEDIUM
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 8 - How do Organisms Reproduce>Long Answer Type Questions>Q 58
Describe sexually transmitted diseases and mention the ways to prevent them.