Question

II. Answer the following

1. What do you mean by reticulate venation and parallel venation?

2. Explain the functions of leaf.

3. Explain the difference between taproots and fibrous roots with the help of diagrams. 4.​

Answer 1

Answer:

1) Reticulate venation refers to the arrangement of veins in a leaf where they form a web-like structure. Smaller and more delicate veins emerge from the midrib and spread in the entire leaf. For example, mango and rose leaves; their veins form a network.

2)The main function of a leaf is to produce food for the plant by photosynthesis. ... Oxygen is passed into the atmosphere through stomata—pores in the leaf surface. photosynthesis. Green plants such as trees use carbon dioxide, sunlight, and water to create sugars. Sugars provide the energy that makes plants grow.

3) The fibrous root system occupies less surface area than taproot. Taproot grows vertically downwards and thus reaches deep into the soil. The fibrous root grows horizontally in all directions and thus doesn't reach deep into the soil. The Taproot system anchors the plant more firmly than the fibrous root

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Answer 2

Answer 1.

Reticulate venation refers to the arrangement of veins in a leaf where they form a web-like structure. ... For example, mango and rose leaves; their veins form a network.