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Role of Chemical Fertilizers in Soil Management

Which of the ...

Question

Which of the following is a chemical fertilizer?
(a) Compost
(b) Bark of neem
(c) NPK
(d) Bone meal

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Solution

(c) NPK.

NPK (Nitrogen, Phosphorus, Potassium) is a chemical fertilizer.

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Similar questions

Q. Which of the following is not a chemical fertilizer?

Q. Which one of the following is not heterotrophic?
(a) neem tree
(b) deer
(c) lion
(d) rabbit

Q. Which of the following helps in composting?
(a) Bacteria
(b) Fungi
(c) Egg shells
(d) Both a and b

Which of the following cannot be added in a composting pit to prepare compost?

(a) sunflower (b) fruit and vegetable peels

(c) flowers of plastic (d) red worms

In an experiment, Reena took few healthy gram seeds and allowed them to germinate in a pot. Then she took three empty vessels and labelled them as

P

Q

R

S

P

, she put soil mixed with compost.
In vessel

Q

, she put soil mixed with

N P K

fertilizer.
In vessel

R

, she put some soil mixed with both compost and

N P K

fertilizer.
In vessel

S

, she put some soil with no manure or fertilizer mixed with it.
Then she selected equal sized seedlings and planted two seedlings in the soil mixture in each vessel. She watered each vessel regularly.

Based on the experiment, answer the following questions.

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Role of Chemical Fertilizers in Soil Management

Standard VIII Biology

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