Q1 of 360 Page 114

What will happen if

(a) Excess amount of fertilizer is added to a green lawn?


(b) Salt is added to cut pieces of raw mango.

(a) If excess amount of fertilizer is added to a green lawn, it will kill the grass plants because the process of exosmosis and plasmolysis take place.

(b) If salt is added to cut pieces of mango, exosmosis will take place and water will be released. This prevents mango from bacterial and fungal attack.


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4


(a) Identify the above figure


(b) Label X and Y


(c) What is the function of X?

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(a) Identify A and B-cells.


(b) What will happen if B-cells are kept in hypotonic solution.


(c) What will happen if A cells are kept in hypertonic solution?

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Label X and Y.


(b) What is the function of X?


(c) What is the composition of Y?


(d) Identify the above diagram and what is its common name?

 8


(a) Label W, X, Y, and Z.


(b) Which is the covering membrane of X known as?


(c) Which of them contain hydrolytic enzymes?


(d) Which one of them takes part in storage modification and packaging of various chemicals?