set 2 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general science mcq - 3 EXERCISES

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The following question based on fuel, food preservation, nutrition, medicine, detergents and fertilizers topic of general science mcq

Questions : Assertion (A):
Chemical fertilizers are necessary for the phosphorus need of plants.
Reason (R):
One metric tonne of organic manure can barely supply 2 or 3 kg of phosphorus.
From the above statement, which is correct?

(a) (A) is true, but (R) is false

(b) Both (A) and (R) are true and (R) is the correct explanation of (A)

(c) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

(d) (A) is false, but (R) is true

The correct answers to the above question in:

Answer: (b)

Practice fuel, food preservation, nutrition, medicine, detergents and fertilizers (set 2) Online Quiz

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Read more basic chemistry quiz Based General Science Questions and Answers

Question : 1

Which of the following is a natural fuel?

a) Coke

b) Coal gas

c) Tar

d) Petroleum

Answer: (d)

Question : 2

The plants receive Nitrogen in form of

a) Ammonia

b) Nitric oxide

c) Nitrate

d) Nitride

Answer: (c)

Question : 3

Organic food is supposed to be better for us because it

a) is more expensive to buy

b) is grown in glasshouses keeping it clean of environmental pollutants

c) relies on chemicals to improve the flavour

d) is grown without the use of artificial fertilizers and pesticides

Answer: (d)

Question : 4

Which one of the following is used in food preservation?

a) Acetylene

b) Benzoic Acid

c) Sodium Carbonate

d) Sodium Chloride

Answer: (b)

Question : 5

Which of the following fossil fuels is the cleanest fuel?

a) Natural gas

b) Coal

c) Petrol

d) Diesel

Answer: (a)

Question : 6

LPG used as domestic fuel chiefly contains

a) Ethylene

b) Methane

c) Propane

d) None of these

Answer: (d)

GET fuel, food preservation, nutrition, medicine, detergents and fertilizers PRACTICE TEST EXERCISES

objective questions set 1

set 2

set 3

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