EASY
10th CBSE
IMPORTANT
Earn 100

What do you mean by bisexual flower? Give one example of it.

Important Questions on How Do Organisms Reproduce?

MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 3 - How Do Organisms Reproduce?>EXERCISE - 3B>Q 3
What is the reason behind the fact that the offspring formed as a result of sexual reproduction exhibit more variations?
EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 3 - How Do Organisms Reproduce?>EXERCISE - 3B>Q 4
In the tobacco plant, the male gametes have twenty-four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote?
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 3 - How Do Organisms Reproduce?>EXERCISE - 3B>Q 5
Why cannot fertilization take place in flowers if pollination does not occur?
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 3 - How Do Organisms Reproduce?>EXERCISE - 3B>Q 6
Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 3 - How Do Organisms Reproduce?>EXERCISE - 3B>Q 7

In a bisexual flower in spite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.

MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 3 - How Do Organisms Reproduce?>EXERCISE - 3B>Q 8
List any two differences between pollination and fertilization.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 3 - How Do Organisms Reproduce?>EXERCISE - 3B>Q 1
Draw a diagram to illustrate fertilization in a flowering plant and label the following in it: (a) Pollen grains, (b) Egg.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 3 - How Do Organisms Reproduce?>EXERCISE - 3B>Q 2
Draw a labelled diagram of the longitudinal section of a flower.