Lakhmir Singh & Manjit Kaur Solutions for Chapter: The Leaf, Exercise 3: WORKSHEET

The following question contains an assertion followed by a reason. Read it carefully and answer the question on the basis of following options.

Assertion: The leaves of plants take in water constantly in the form of water vapour(which goes into air).

Reason: Plants undergo the process of transpiration.

The following question contains an assertion followed by a reason. Read it carefully and answer the question on the basis of following options.

Assertion: Tamarid plant has reticulate venation.

Reason: In reticulate venation, the veins in a leaf occur in an irregular way forming a net-like design.

The following question contains an assertion followed by a reason. Read it carefully and answer the question on the basis of following options.

Assertion: The leaves of a plant are food factories.

Reason: In photosynthesis, the green leaves of plant combine carbon dioxide and water in the presence of sunlight to make food and oxygen gas.

The following question contains an assertion followed by a reason. Read it carefully and answer the question on the basis of the following options.

Assertion: In Hibiscus, a single leaf arises at the node of a branch. The consecutive leaves are arranged in an irregular manner.

Reason; It is due to the phyllotaxy feature of plants.

The following question contains an assertion followed by a reason. Read it carefully and answer the question on the basis of following options.

Assertion: Some plants need to be watered on regular basis, especially during the summer season.

Reason: Roots absorb the water and minerals from the soil.