General Science & Ability MCQs 2020

Aedes aegypti transmits:
A) Malaria
B) Dengue fever
C) Typhoid fever
D) None of these

The bond of H₂O is:
A) Ionic metallic
B) Non-polar covalent
C) Polar covalent
D) Metallic

Which organelle is called the powerhouse of the cell?
A) Mitochondria
B) Ribosome
C) Plastid
D) None of these

Which of the following is a p-type semiconductor?
A) Germanium
B) Gallium
C) Silicon
D) None of these

In which atmospheric layer is the temperature about -90°C?
A) Mesosphere
B) Troposphere
C) Thermosphere
D) None of these

Which of the following is a non-sedimentary rock?
A) Limestone
B) Sandstone
C) Granite
D) None of these

Greenhouse gases absorb:
A) Infrared radiations
B) Visible radiations
C) Ultraviolet radiations
D) None of these

______ is information about physical working conditions, work schedule, and the organizational and social context of the job:
A) Job specification
B) Job context
C) Work activities
D) None of these

The current recommended limit of arsenic in drinking water by WHO is:
A) 10 µg/L
B) 100 µg/L
C) 200 µg/L
D) None of these

______ is the primary consideration in designing knowledge-based AI systems:
A) Analogy
B) Efficacy
C) Efficiency
D) None of these