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Question

What are the adaptations of leaf for photosynthesis?
  1. Leaves provide large surface area for maximum light absorption
  2. Leaves are arranged at right angles to the light sources in a way that causes overlapping
  3. The extensive network of veins enables quick transport of substances to and from the mesophyll cells
  4. All of the above
  5. Presence of numerous stomata for gaseous exchange

A
Leaves are arranged at right angles to the light sources in a way that causes overlapping
B
All of the above
C
The extensive network of veins enables quick transport of substances to and from the mesophyll cells
D
Leaves provide large surface area for maximum light absorption
E
Presence of numerous stomata for gaseous exchange
Solution
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The adaptations of leaf for photosynthesis are as follows:
(a) Leaves provide large surface area for maximum light absorption. Which help them to absorb more photons.
(b) Leaves are arranged at right angles to the light source in a way that causes overlapping for absorption of more light.
(c) The extensive network of veins enables quick transport of substances to and from the mesophyll cells.
(d) The presence of numerous stomata for gaseous exchange, which helps them to absorb more CO2.
(e) The chloroplasts are more in number on the upper surface of leaves, as more light exposure on the upper surface.
So, the correct answer is option D.

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Q1
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A) Stomata are responsible for gaseous exchange in leaves and in some stems.
B) Lenticels are responsible for gaseous exchange in woody stems.
C) Stomata are responsible for gaseous exchange in roots.
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Q2
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Q3

had a doubt while reading life process

Pg: 97 1st para

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does these stem and roots also have stomata for gaseous exchange or something else is responsible for it?

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Q4
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Q5
Bundle sheath cells are similar to mesophyll cells in
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