Question

ʷʳⁱᵗᵉ ᵗʰᵉ ᵖʳⁱᵐᵃʳʸ ᶠᵘⁿᶜᵗⁱᵒⁿˢ ᵒᶠ ˡᵉᵃᶠ​

Answer 1

Answer:

Its main functions are photosynthesis and gas exchange.

A leaf is often flat, so it absorbs the most light, and thin,

so that the sunlight can get to the chloroplasts in the cells.

Most leaves have stomata, which open and close. They

regulate carbon dioxide, oxygen, and water vapour exchange

with the atmosphere.

Hope it helps you.....

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Answer 2

Answer:

Normal functions or primary functions of leaf:

i. Photosynthesis: The principal function of the leaf is to manufacture organic food through

photosynthesis

ii. Gaseous exchange: The stomata present on leaf are primarily meant for gaseous exchange required

for photosynthesis and respiration.

iii. Transpiration: Loss of water in the form of vapour through aerial parts of the plant is called transpiration. Most of the transpiration occurs through stomata present on leaf surface. This process helps to maintain temperature of the plant.

iv. Protection of bud: The terminal and axillary buds are protected by leaves from desiccation and mechanical injury

v. Conduction: The vascular bundles of veins and petioles of leaves serve the function of translocation of organic food through phloem and water and minerals through xylem.