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प्रश्न
Write the two main functions of leaves
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उत्तर
The two main functions of leaves are –
1. Photosynthesis:
Green leaves contain chlorophyll which, in the presence of sunlight, manufacture food using carbon dioxide and water.
2. Transpiration:
The surface of leaves has minute pores which help in the loss of water by evaporation. It has a cooling effect making roots absorb more water due to suction.
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संबंधित प्रश्न
Fill in the blank
The ends of primary or secondary roots have fine hair-like structures, called ________.
Tick the most appropriate answer
Which of the following is not a function of the roots?
Tick the most appropriate answer.
The gynoecium consists of
Fill in the blank
_____ is the additional roots that arise from the lower part of the stem and fix the plant firmly.
State if the following statement Is true or false. Correct the statement if it is false.
A stamen has a long stalk called style.
Certain property is mentioned below. Find a leaf corresponding to the property and describe that plant.
Leaves with smooth surface
Fill in the blank by rearranging the letter in the bracket.
Stomata are seen in the _______ (owler) surface of the leaf.
Arrange the following in the correct sequence.
Transpiration – Conduction - Absorption – Fixation
Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), China rose
Observe figure and attempt the questions that follow it.
- Label the parts 1, 2, 3 and 4 in the diagram.
- What type of venation does the leaf has?
- What type of venation is seen in grass leaves?
