science
Grade-3
Easy
Question
A cactus plant is able to survive in deserts by:
- Not having leaves
- Not having fruits
- Not having flowers
- Not having roots
Hint:
In cacti, the stem is responsible for photosynthesis.
The correct answer is: Not having leaves
- Cactus is found in the desert region thus; they have adapted themselves according to their environment.
- It does not have leaves; the leaves of cacti have modified themselves as a needle-like structure to reduce water loss through transpiration.
- The stem of the cactus has modified itself into a thick and fleshy structure to store water and it also contains chlorophyll to perform photosynthesis.
- Cactus have long and deep roots because they are found in a desert region which has a scarcity of water.
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