Which of the following statements about the advantages of seeds to angiosperms are correct?
A. Seed formation is more dependable as pollination and fertilisation in angiosperms are independent of water.
B. Seeds have better adaptive strategies for dispersal to new habitats and help the species to colonise other areas.
C. Food reserves in seeds nourish the young seedlings until they are capable of photosynthesis on their own.
D. The hard seed coat of a seed provides nutrition to the young embryo.
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → A, B and C only
Seeds give angiosperms many advantages. Seed formation does not depend on water, seeds can spread to new places, they carry stored food for the seedling and they are protected by a hard seed coat.
A. Seed formation is more dependable as pollination and fertilisation in angiosperms are independent of water. — True. Since pollination and fertilisation do not need water, seed formation is more dependable.
B. Seeds have better adaptive strategies for dispersal to new habitats and help the species to colonise other areas. — True. Seeds are dispersed to new habitats, so the species can colonise other areas.
C. Food reserves in seeds nourish the young seedlings until they are capable of photosynthesis on their own. — True. The stored food feeds the seedling till it can make its own food by photosynthesis.
D. The hard seed coat of a seed provides nutrition to the young embryo. — False. The hard seed coat gives protection to the young embryo, not nutrition. Nutrition comes from the food reserves of the seed.
NCERT Extract:
1.4.3 Seed – “… Seeds offer several advantages to angiosperms. Firstly, since reproductive processes such as pollination and fertilisation are independent of water, seed formation is more dependable. Also seeds have better adaptive strategies for dispersal to new habitats and help the species to colonise in other areas. As they have sufficient food reserves, young seedlings are nourished until they are capable of photosynthesis on their own. The hard seed coat provides protection to the young embryo.”