Choose the incorrect option for the adaptations seen in cacti.

Leaves are turned into spines.

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Stems become bulbous and full of water.

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Root systems are well developed.

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Tendrils are found.

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Solution

The correct option is D
Tendrils are found.

Cacti, in order to survive in extremely dry weather, show certain types of modifications of the plant parts. These modifications are known as adaptations. Few of them are as follows:
1. Leaves are turned into spines, in order to prevent the loss of water through transpiration.
2. Stems become bulbous and full of water (fleshy stem).
3. Root systems are well developed which reach deep into the soil and spread laterally.

Tendrils are slender thread like structures mostly found in climbers.

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Choose the correct option based on the statement and its possible completed sentence.

Cacti survive in a desert because:

A. It has a flat green stem to store water and prepare food by photosynthesis.

B. The stem is covered with a thick waxy layer, which helps to prevent water loss.

C. Its roots are distributed on the surface to absorb as much water as it can.

D. Leaves are modified into spines to prevent loss of water through evaporation.

Cacti survive in a desert because:

a. It has a flat green stem to store water and prepare food by photosynthesis.

b. The stem is covered with a thick layer of cuticle, which helps to preserve water.

c. Its roots are distributed on the surface to absorb water.

d. Leaves are modified into spines to prevent loss of water

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