Seeds absorb water through___which also helps in the diffusion of respiratory gases.

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Solution

Hilum is a distinct oval scar on the seed. It represents the spot where ovule(now seed) was attached to the ovary through the placenta. A tiny pore called micropyle is located close to the hilum. It is this pore through which the germinating seed absorbs water and also serves as a place for diffusion of respiratory gases.

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Fill in the blanks :
(a) In bean seeds, ___ grows faster and the seeds are brought___ ground.
(b) ___ is a protective layer of radicle and ___ protects the rolled plumule.
(c) A seed is protected by ___ and ___
(d) Seeds absorb water through ___ which also helps in the diffusion of respiratory gases.
(e) Rice, wheat, and maize are rich in ___ food.

Statement 1: Micropyle helps in the diffusion of respiratory gases and water.

Statement 2: Micropyle is situated close to tegmen.

Statement 1: Micropyle helps in the diffusion of respiratory gases.

Statement 2: Micropyle is situated close to tegmen

Q. The respiratory membranes facilitates the exchange of respiratory gases through diffusion. Oxygen enters the deoxygenated blood through diffusion because:

Choose the odd one out.
diffusion, respiratory gases, alveoli, capillary network.

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