General Science & Ability MCQs 2019

Blood contains:
A) Red blood cells
B) White blood cells
C) Platelets
D) All of these

Permanent hardness of water is due to the presence of:
A) Calcium bicarbonate
B) Magnesium bicarbonate
C) Calcium sulphate
D) Sodium bicarbonate

H⁺ is yielded by:
A) Acids
B) Alkalis
C) Both A and B
D) None of these

The number of bones in the human body is:
A) 200
B) 202
C) 204
D) 206

The unavailability of internal energy for conversion into mechanical work is called:
A) Entropy
B) Thermodynamics
C) Negentropy
D) None of these

Which vessel provides blood to the liver?
A) Hepatic portal artery
B) Veins
C) Arteries
D) None of these

A bronze medal is made up of which metals?
A) Copper, nickel
B) Copper, tin
C) Copper, silver
D) None of these

What is not included in the Earth’s environment?
A) Lithosphere
B) Stratosphere
C) Biosphere
D) None of these

The loudness of sound depends on its:
A) Wavelength
B) Frequency
C) Amplitude
D) None of these

Control rods of which element are used in a nuclear reactor?
A) Cadmium
B) Copper
C) Graphite
D) None of these