Biology
Assertion: Androecium is the third whorl of the flower. It is made up of stamens which produce pollen grains at the time of reproduction.
Reason: Pollination and fertilization are essential steps of reproduction in plants during which male gametes fuse with the ovule and a seed is produced inside the ovary.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Flower
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Answer
Both A and R are true but R is not the correct explanation of A.
Reason — A is true as the androecium is the third whorl of a flower and consists of stamens that produce pollen grains.
R is true as pollination and fertilization are essential processes in plant reproduction, leading to seed formation inside the ovary.
The reason does not correctly explain why the androecium is the third whorl or that it is made of stamens. It only describes the process of reproduction. Therefore, Both A and R are true but R is not the correct explanation of A is the correct option.
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Related Questions
Which part of the flower attracts insects for pollination ?
- Calyx
- Corolla
- Stamens
- Stigma
Which of the following is not a necessary condition for the germination of seeds ?
- Air
- Water
- Soil
- Warmth
Assertion: Cross pollination occurs between different flowers of two plants of the same species. These flowers get pollinated by wind, water, insects, etc.
Reason: Wind pollination always occurs between the flowers of plants occurring in close vicinity and not among the flowers of distant plants.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion: All aquatic plants get pollinated only by the most easily available pollinating agent-water.
Reason: Flowers of some aquatic plants are exposed to air and can be pollinated by insects.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.