General Science & Ability MCQs 2024

A pencil dipped in water appears bent due to:
A) Reflection
B) Diffraction
C) Refraction
D) None of these

Fishes die outside water due to:
A) Carbon monoxide
B) Lack of oxygen
C) Sunlight
D) Non-absorption of oxygen

In dementia, a person:
A) Loses their weight
B) Loses thinking and writing
C) Loses thinking, remembering, and reasoning
D) All of these

An earthquake is measured by the instrument:
A) Wave guide
B) Barometer
C) Seismograph
D) Hydrometer

In fish liver oil, there is:
A) Vitamin A only
B) Vitamin D only
C) Vitamin A and D
D) None of these

A cyclone is formed:
A) When the warm air rises upward over the ocean
B) When the moist air rises upward over the ocean
C) When the moist air is pressed downward over the ocean
D) When the warm air is pressed downward over the ocean

When are day and night equal?
A) 23rd February and 21st September
B) 21st March and 23rd September
C) 23rd March and 21st September
D) None of these

Why is red light used in traffic signals for danger?
A) Due to short wavelength
B) Due to high frequency
C) It has long wavelength and high frequency
D) It has long wavelength and short frequency

What is the total number of combinations of 9 things taken 3 at a time?
A) 18
B) 27
C) 48
D) 84

Heavy water is:
A) Denoted by D2O and contains simple hydrogen
B) Denoted by H2O and contains deuterium
C) Denoted by D2O and contains deuterium
D) Denoted by H2O and contains simple hydrogen