Question

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Answer 1

Answer:

7.a) The aquatic plants float on water because of the presence of parenchyma tissues with air cavities known as Aerenchyma.

8.a) It's due to the process known as diffusion which allows solvent or solute to move from a region of higher concentration to a region of lower concentration.

 c) Meiosis. It takes place in germinal cells. The daughter cells will have half no. of chromosomes.

9.a) Xylem helps in water conduction and phloem helps in conduction of food.

     Xylem conducts water in a single direction whereas phloem conducts food in bi direction.

Explanation:

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