General Science & Ability MCQs 2021

Artificial noise is a:
A) Vibration
B) Vocal cord
C) Both A and B
D) None of these

The example of cold-blooded animals is/are:
A) Crow, cobra, frog
B) Frog, pigeon, wall lizard, earthworm
C) Penguin, salamander, monkey
D) None of these

A collection of system programs that controls and coordinates the overall operations of a computer system is called:
A) Operating System
B) CPU
C) Software
D) None of these

Diseases that spread from person to another are called:
A) Communicable diseases
B) Degenerative diseases
C) Non-communicable diseases
D) None of these

Night blindness is caused due to the deficiency of:
A) Vitamin A
B) Vitamin B
C) Vitamin C
D) Vitamin D

Which is the hottest planet in our solar system?
A) Sun
B) Mars
C) Venus
D) Jupiter

A light-sensitive device that converts drawings, printed text, or other images into digital form is:
A) Scanner
B) Printer
C) Bluetooth
D) None of these

Excess bleeding during an injury is a deficiency of:
A) Vitamin K
B) Vitamin B
C) Vitamin A
D) Vitamin D

The energy which is unavailable in a system is called:
A) Increased
B) Decreased
C) Entropy
D) None of these

The ozone layer is present in:
A) Thermosphere
B) Stratosphere
C) Troposphere
D) None of these