MEDIUM
10th CBSE
IMPORTANT
Earn 100

How does fusion of male and female gametes take place in plants?

Important Questions on How do Organisms Reproduce?

MEDIUM
10th CBSE
IMPORTANT
List in tabular form any two differences between a male gamete and a female gamete.
MEDIUM
10th CBSE
IMPORTANT
Give one example each of a unisexual and a bisexual flower.
MEDIUM
10th CBSE
IMPORTANT
Mention the changes a flower undergoes after fertilization.
MEDIUM
10th CBSE
IMPORTANT
How does the amount of DNA remain constant though each new generation is a combination of DNA copies of two individuals?
MEDIUM
10th CBSE
IMPORTANT
Explain the role of placenta in the development of human embryo.
MEDIUM
10th CBSE
IMPORTANT

Give examples of two bacterial and two viral sexually transmitted diseases. Name the most effective contraceptive which prevents the spread of such diseases.

EASY
10th CBSE
IMPORTANT
Name a plant in which vegetative propagation takes place by leaves.
EASY
10th CBSE
IMPORTANT

Write the causal organism of the following diseases:

(i) Warts (ii) Syphilis