Correct Answer:
B. Decibel
The decibel is the standard logarithmic unit for sound intensity.
Related MCQs
On Nov. 29, 2025, _____ announced plans to close down its embassies in Islamabad, Kabul and Yangon in 2026.
A.
Iceland
B.
Poland
C.
Finland
D.
None of these
Correct answer is:
C. Finland
The United States and Israel launched joint strikes on Iran on _____, 2026, killing Iranian Supreme Leader Ayatollah Ali Khamenei and several top Iranian officials.
A.
Feb. 28
B.
Mar. 01
C.
Mar. 02
D.
None of these
Correct answer is:
B. Mar. 01
Which layer of the atmosphere is known as the ‘Heat Sphere’?
A.
Troposphere
B.
Stratosphere
C.
Mesosphere
D.
Thermosphere.
Correct answer is:
D. Thermosphere.
In space, the height of a person slightly increases due to the expansion of _____.
A.
Spinal Cord
B.
Skin
C.
Cartilage discs
D.
None of these
Correct answer is:
C. Cartilage discs
Thickness of Earth’s core is approximately:
A.
500 km
B.
2900 km
C.
1900 km
D.
3900 km
Correct answer is:
D. 3900 km
Which international organization is leading global climate change efforts in 2025 through negotiations, policies, and the Paris Agreement?
A.
IPCC
B.
UNEP
C.
UNFCCC
D.
WHO
Correct answer is:
C. UNFCCC