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questions & answers.
Q1.
Write right or wrong for the following statements:
- Different plants have same types of leaves.
- Stomata are present on the lower surface of the leaf.
- Green leaves put together water and carbon dioxide in the presence of sunlight to make food.
- During photosynthesis green plants trap the moon's energy to make food.
- All animals and human beings are called producers.
- Wild animals are given special protection in forest reserves and sanctuaries.
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- wrong
- right
- true
- wrong
- wrong
- right
Q2.
Choose and write the correct option:
- ____________ recycle the air and make oxygen for us to breathe.
- Plants
- Animals
- Humans
- The stalk attaching the leaf blade to the stem is called the ____________.
- Vein
- petiole
- lamina
- Plants need a gas called ____________ to make food.
- nitrogen
- oxygen
- carbon dioxide
- The hydrogen is used with the carbon dioxide to make ____________.
- juice
- glucose
- peanuts
- Moulds and mushrooms are ____________ plants.
- non-green
- green
- white
- Animals breathe out ____________.
- oxygen
- carbon dioxide
- nitrogen
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- (a) plants
- (b) petiole
- (c) carbon dioxide
- (b) glucose
- (a) non-green
- (b) carbon dioxide
Q3.
Name the parts of a leaf. Explain them.
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answer not shownQ4.
What four things does a tree need for photosynthesis?
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A tree needs chlorophyll, carbon dioxide, water, and sunlight for photosynthesis.
Q5.
What causes a tree's leaves to appear green?
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The leaves of a tree appear green because of the presence of a green pigment called chlorophyll.














