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Ajit wants to test if plants need sunlight to make food. He keeps a potted plant in sunlight. After five days, he tests for the presence of starch in the leaves.

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How can Ajit improve his test?

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Important Questions on Getting to Know Plants

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Science>Biology>Getting to Know Plants>Leaf
List the steps of preparation of temporary mount of a leaf peel to observe stomata.
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Science>Biology>Getting to Know Plants>Leaf
List in tabular form three distinguishing features between autotrophic nutrition and heterotrophic nutrition.
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Science>Biology>Getting to Know Plants>Leaf

Assertion (A): No carbon dioxide is released during the day in plants.

Reason (R): Only photosynthesis occurs during the day.

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Science>Biology>Getting to Know Plants>Leaf
List four precautions which a student should observe while preparing a temporary mount of a leaf peel to show stomata in his school laboratory.
EASY
Science>Biology>Getting to Know Plants>Leaf
In which visible spectrum does maximum photosynthesis occur?
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Science>Biology>Getting to Know Plants>Leaf
Plants adapted to low light intensity have
EASY
Science>Biology>Getting to Know Plants>Leaf
The basic source of energy for all organism is
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Science>Biology>Getting to Know Plants>Leaf
Why is it not advisable to sleep under a huge tree at night?
EASY
Science>Biology>Getting to Know Plants>Leaf
Name the parts of a leaf.
EASY
Science>Biology>Getting to Know Plants>Leaf
Name the two substances which combine in green leaves in the presence of sunlight to make food.
EASY
Science>Biology>Getting to Know Plants>Leaf
Why are leaves generally broad and flat?
HARD
Science>Biology>Getting to Know Plants>Leaf
How is transpiration useful to plants?
EASY
Science>Biology>Getting to Know Plants>Leaf
Which of these is known as the food factory of a plant?
 
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Science>Biology>Getting to Know Plants>Leaf
Draw a labelled diagram showing the parts of a leaf.
 
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Science>Biology>Getting to Know Plants>Leaf
  What are the functions performed by a leaf?
EASY
Science>Biology>Getting to Know Plants>Leaf

Green leaves give out _____ (nitrogen, oxygen) while preparing food.

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Science>Biology>Getting to Know Plants>Leaf

Describe the process of photosynthesis.

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Science>Biology>Getting to Know Plants>Leaf

Fill in the blank with an appropriate word:

A thick vein present in the middle of the leaf is called _____ (midrib/apex).

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Science>Biology>Getting to Know Plants>Leaf
How do veins help the leaf?
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Science>Biology>Getting to Know Plants>Leaf

What is the role of stomata in a plant?