Which of the following situations- A or –B is advantageous for absorption of water and minerals? Why?
Situation A: Growth and branching of roots in C- horizon.
Situation B: Growth and branching of roots in A and B- horizons.

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Solution

Dear Student

Situation B is advantageous to plants because A and B horizons are rich in water, minerals and humus.

Regards

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Question 9

Which of the following situations – ‘A’ or ‘B’ – is advantageous for absorption of water and minerals? Why?
Situation ‘A’ : Growth and branching of roots in the C-horizon.
Situation ‘B’ : Growth and branching of roots in A and B horizons.

Availability of water and minerals in the soil for maximum absorption by roots is in the –

(a) B-horizon
(b) C-horizon
(c) A-horizon
(d) surface of soil

Match the following and choose the correct option:

i. A - horizon a. Small lumps of rocks

ii. B - horizon b. Hard layer which is difficult to dig

iii. C - horizon c. Dark in colour and rich in humus

iv. R -horizon d. Less humus and more minerals, compact

Q. Availability of water and minerals in the soil for maximum absorption by roots is in the-

Q. Given figure represents the organic soil profiile, showing different layers/horizons of soil.
Which of the folllowing statements regarding the soil profile are not true?
(i)maximum roots oof plants are found n horiizon A.
(ii) Maximum nutrients are present in horizon B.
(iii) Horizon B contains party weathered rocks
(iv) Horizon C contains roots of the pllants and mineral salts.

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Which of the following situations- A or –B is advantageous for absorption of water and minerals? Why? Situation A: Growth and branching of roots in C- horizon. Situation B: Growth and branching of roots in A and B- horizons.

Dear Student Situation B is advantageous to plants because A and B horizons are rich in water, minerals and humus. Regards

Which of the following situations- A or –B is advantageous for absorption of water and minerals? Why?
Situation A: Growth and branching of roots in C- horizon.
Situation B: Growth and branching of roots in A and B- horizons.

Dear Student

Situation B is advantageous to plants because A and B horizons are rich in water, minerals and humus.

Regards