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Class III – Science – Leaf

A. Answer the following questions briefly –

1. What does a leaf do for the plant?

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Ans. Leaf makes food for the plants.


2. To what use were some leaves put by saints in olden days?

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Ans. Leaves like corriander, mint and curry leaves add aroma to the food.


3. State two uses of leaves in our food.

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Ans. Leaves of many plant such as spinach, mustard, cabbage are used as vegetables.


4. Name any two articles where one can find leaf designs.

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Ans. We can find leaf designs on clothes and temple carvings.


5. How is compost useful for plants and crops?

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Ans. Compost helps the plants and crops to grow better.


B. Answer the following questions –

1. State any thre uses of leaves.

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Ans. Uses of leaves :-

i) Leaves of many plants are used as vegetables like spinach, mustard and cabbage.

ii) They help to protect clothes and other items from insects eg. neem leaves.

iii) They are also used for medicinal purpose eg. neem and tulsi leaves.


2. Why do plants shed their leaves?

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Ans. Plants shed their leaves because :-

i) Old leaves are not able to perform their functions well.

ii) To throw out harmful waste that gets collected in their old leaves.

iii) To reduce the water loss.


3. How can compost be made?

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Ans. The steps to make the compost are :-

i) Collect and dump the fallen leaves along with the kitchen waste in a pit.

ii) The waste is then covered with moist soil and left as such for two to three months.

iii) Then it becomes compost.


C. Fill in the blanks:-

1. __________ is the common, green part of the plant.

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Ans. Leaf is the common, green part of the plant.


2. Leaves of different plants differ in their shape, size and _____________.

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Ans. Leaves of different plants differ in their shape, size and texture.


3. Neem and ______________ leaves are often are used for medicinal purpose.

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Ans. Neem and Tulsi leaves are often are used for medicinal purpose.


4. The leaves of spinach and methi are used as ________________.

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Ans. The leaves of spinach and methi are used as vegetables.


D. State True of False.

1. Neem leaf is often used to protect clothes from insects

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Ans. True


2. Leaves of plant help them to make their own food.

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Ans. True


3. Curry leaves are used to garnish food.

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Ans. True


4. New leaves take place of old leaves

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Ans. True


E. Tick the correct option

1. The leaf of this plant is used as a plate.

a) banana b) mango c) basil d) spinach

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Ans. a) banana


2. These should be used to make compost.

a) fallen leaves b) burnt leaves c) flowers d) roots

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Ans. a) fallen leaves


3. This leaf is often used to add aroma to the food.

a) peepal b) corriander c) mango d) neem

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Ans. b) corrinader