Page 73 - Viva ICSE Science 4 : E-book

3. ____________ are the openings on leaves that help in exchange of gases.

4. We make furnitures from ____________ of plants.

5. ____________ encloses and protects the seed inside it.

6. ____________ divides the leaf into two equal parts.

B. Write (T) for true and (F) for false statements.

1. Stomata opens to take oxygen from air.

2. Transpiration also cools the plants.

3. Stem of a plant holds the soil in place and prevents soil erosion.

4. Pulp of bamboo is used to make paper.

5. Stomata is present on the top surface of a leaf.

6. The taproot system is mainly found in dicot plants.

C. Answer the following in one word.
1. The process by which green leaves prepare food ______________

2. The green colour pigment found in leaves ______________
3. The food prepared as a result of photosynthesis ______________

4. A medicinal plant ______________
5. Plant part that helps it to reproduce ______________

6. Plant that stores food in its leaves ______________

D. Match the following.
Column A Column B

1. Taproot (a) links leaf to the stem

2. Fibrous root (b) tiny channels that carry water and
mineral to all parts of leaf

3. Lamina (c) numerous thin branching roots
near the soil surface

4. Petiole (d) long and thick root growing
downward into the soil

5. Vein (e) fl at and broad part of leaf

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