set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 3 EXERCISES
The following question based on fuel, food preservation, nutrition, medicine, detergents and fertilizers topic of general science mcq
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 »Answer: (d)
Question : 2
The plants receive Nitrogen in form of
a) Ammonia
b) Nitric oxide
c) Nitrate
d) Nitride
Answer »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 »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 »Answer: (b)
Question : 5
Which of the following fossil fuels is the cleanest fuel?
a) Natural gas
b) Coal
c) Petrol
d) Diesel
Answer »Answer: (a)
Question : 6
LPG used as domestic fuel chiefly contains
a) Ethylene
b) Methane
c) Propane
d) None of these
Answer »Answer: (d)
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