| A few healthy gram seeds are placed in each of the three pots X, Y and Z containing same type of soil. |
| The soil in pot X is mixed with some green leaves. The soil in pot Y is mixed with old cow dung while soil of pot Z is mixed with urea. Pots are watered regularly and given proper environment for plant-growth. Which of the following will be observed after 10 days? |
A) Lot of growth in Z with replenishment of all the nutrients.
B) Lot of growth in X without replenishment of any nutrient.
C) Lot of growth in V with replenishment of the nutrients.
D) Both (a) and (c)
Correct Answer: C
Solution :
The given pot X, Y and Z contains green manure, manure and fertiliser respectively. Green manures and manures replenish soil with nutrients while fertiliser has no role in replenishment of nutrients.
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