7000+ General Science Questions for UPSC Prelims 2024 - 2025 Pdf - 1
Question: 1
The speed of light will be minimum while passing through
(A) Air
(B) Glass
(C) Water
(D) Vacuum
Ans: B
Glass
Question: 2
The law of conservation of energy states that
(A) Energy can be created as well as destroyed
(B) Energy can neither be created nor destroyed
(C) Energy can be created but not destroyed
(D) Energy cannot be created but can be destroyed
Ans: B
Energy can neither be created nor destroyed
Question: 3
Among the various allotropes of carbon
(A) Diamond is the hardest, graphite is the softest
(B) Coke is the hardest, graphite is the softest
(C) Diamond is the hardest, coke is the softest
(D) Diamond is the hardest, lamb black is the softest
Ans: A
Diamond is the hardest, graphite is the softest
Question: 4
Which of the following fertilizers leaves acidic residue?
(A) Ammonium sulphate
(B) Ammonium phosphate
(C) Sulphate of potash
(D) Urea
Ans: A
Ammonium sulphate
Question: 5
Calcium content is maximum in
(A) Sorghum
(B) Bajra
(C) Maize
(D) Wheat
Ans: C
Maize
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