Repeated MCQs of Everyday Science

What is Salinization ___________?
A. Accumulation of salts in water
B. Accumulation of salts in soil
C. Accumulation of salts in body
D. Accumulation of salts in animals

What is the term for the progressive physiological response to gradually evolving new environmental conditions?
A. Selection
B. Introduction
C. Acclimatization
D. Quarantine

The air close to the surface of the earth is “heated from below.” Which of the following does not considerably ____________________ to this heating?
A. Conduction of the heat upward from hot surface
B. Convection from hot surface
C. Absorption of infrared energy that has been radiated from surface
D. Heat energy from earth’s interior

The back of a whale with barnacles developing on it serves as an illustration of ?
A. Mutualism
B. Parasitism
C. Amensalism
D. Commensalism

What does the phrase biotype means ___________?
A. all individuals having same phenotype
B. all individuals having same genotype
C. all individual with different phenotype
D. all individuals with different genotype

What factors primarily determine the temperature at which water boils?
A. Air temperature
B. Relative humidity
C. Air pressure
D. Air density
E. The specific heat of air

The measure of —————is in steradians?

A. Solid angle
B. Liquid angle
C. Gas angle
D. Plain angle

The fundamental unit of _____ is the candela
A. luminous intensity
B. heat producing value
C. Thermodynamic temperature
D. radioactive decay

A large unit of paper measurement known as a “Elephant” is equal to 28 by .
A. 23 inches
B. 25 inches
C. 28 inches
D. 31 inches

How much mass does the Sun have?
A. 1.5×10 Power 30 Kg
B. 1.98×10 Power 30 Kg
C. 4.5×10 Power 30 Kg
D. 8×10 Power 30 Kg