Correct Answer:
C. Keratin
Keratin is the structural protein forming nails, hair, and skin's outer layer.
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Related MCQs
Energy transfer in food chain is
A.
90%
B.
10%
C.
50%
D.
100%
Correct answer is:
B. 10%
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On Dec. 18, 2025, President Zardari approved the denotification of Justice Tariq Mehmood Jahangiri as a judge of the _____ High Court.
A.
Sindh
B.
Lahore
C.
Islamabad
D.
None of these
Correct answer is:
C. Islamabad
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On Nov. 22, 2025, this year's G20 summit concluded in _____.
A.
South Africa
B.
Canada
C.
Italy
D.
None of these
Correct answer is:
A. South Africa
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On Dec. 03, 2025, _____ and Israeli civilian representatives held their first direct talks in decades.
A.
Qatari
B.
Lebanese
C.
Iranian
D.
None of these
Correct answer is:
B. Lebanese
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The model where the Sun was believed to revolve around the Earth was first proposed by which scientist?
A.
Nicolaus Copernicus
B.
Ptolemy
C.
Galileo Galilei
D.
Johannes Kepler
Correct answer is:
B. Ptolemy
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On Nov. 21, 2025, an Indian Tejas fighter jet crashed during an aerial display at the _____ Airshow.
A.
Paris
B.
Abu Dhabi
C.
Dubai
D.
None of these
Correct answer is:
C. Dubai
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