EASY
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What are minute openings present over the leaf surface called?

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Important Questions on Movement

HARD
Answer the following short answer-type question:
Write any two points of differences between respiration in plants and animals.
MEDIUM
Meeta asked Rekha not to sleep under the tree at night. Give the reason for the same.
HARD
What is the role of stomatal apparatus in plant respiration?
EASY
How does respiration occur in plants?
MEDIUM
In plants, air enters through:
HARD
Most plants have stomata on the underside of leaves. However, water lily leaves have stomata on the upper surface. Why?
MEDIUM
Explain the process of respiration in the roots of a plant.
MEDIUM
Plants carry out respiration too, continuously, day and night. What are the differences between respiration and photosynthesis?
MEDIUM
It is not good to sleep under a tree at night. Give reason
EASY
What is stomatal apparatus? List its role in respiration.
MEDIUM
Match the items in column A with the items in column B
Column A Column B
1. Stomata (a) Earthworm
2. Gills (b) Man
3. Tracheal tubes. (c) Plants
4. Lungs (d) Fish
5. Skin (e) Cockroach
  (f) Amoeba
HARD
Why should we not sleep under the tree at night?
EASY
How do the leaves of plants exchange gases with the atmosphere?
MEDIUM
Describe the process of respiration in the leaves of a plant.
MEDIUM
What is root respiration? Why is it important?
MEDIUM
Which organ in the human body has a similar function as that of the stomata in plants?
EASY
Each plant part breathes through its external layer of _____. (cells/cell organelles)
MEDIUM
Name any two parts of the plant through which exchange of gases takes place during respiration.
MEDIUM
Why is it suggested not to sleep under a tree during night?