Give a scientific explanation for the following statements.
(a) Leaf insects are green in colour.
(b) Submerged water plants have thin and narrow leaves.
(c) Lions have eyes in front of their head.
(d) Leaves are reduced to spines in desert plants.
(e) Pine trees are conical in shape.

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Solution

(a) Leaf insects are green in colour to allow them to blend with the surrounding and be protected from their predators.

(b) Submerged water plants have thin and narrow leaves to allow them to float freely in water current.

(c) Lions have eyes in front of their head to allow them to see the prey at large distances.

(d) Leaves are reduced to spines in desert plants to prevent water loss.

(e) Pine trees are conical in shape to allow snow to slide off easily.

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Similar questions

Which of the following statements are true and which ones are false? Give reason in support of your answer.

(a) Potometer is an instrument used for demonstration of transpiration occurring from the lower surface of a leaf.

(b) Hydathodes are similar to stomata in plant physiology.

(d) Some desert plants have sunken stomata on their leaves.

(e) Most transpiration occurs during midday.

The spines in desert plants are modified leaves.

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