Everyday Science — All MCQs
2717 questions available
Q1921.The Time taken for sunlight to reach the Earth is____?
Correct Answer: C
The Time taken for sunlight to reach the Earth is 8 mins 20 sec. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.
Q1922.The total energy of revolving electron in an atom____
Correct Answer: B
The total energy of revolving electron in an atom Can never be positive. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.
Q1923.The toxicity of which of the following heavy metals leads to Liver cirrhosis?
Correct Answer: A
The toxicity of which of the following heavy metals leads to Liver cirrhosis: Copper. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.
Q1924.The tread mills training is prescribed for the injured athlete for the purpose of improving his/her____?
Correct Answer: D
The tread mills training is prescribed for the injured athlete for the purpose of improving his/her Muscle endurance. This description follows from the defining characteristics and established facts associated with the subject.
Q1925.The Tree sends down roots from its branches to the soil is known as:____?
Correct Answer: C
The Tree sends down roots from its branches to the soil is known as: Banyan. The term is defined by the subject, process, or characteristic described in the question.
Q1926.The turning effect of force is called____?
Correct Answer: C
The turning effect of force is called Torque. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.
Q1927.The two elements that are frequently used for making transistors are :
Correct Answer: B
The two elements that are frequently used for making transistors are Silicon and Germanium. Its composition and chemical or physical behavior give it the stated classification or property.
Q1928.The type of glass used in making lenses and prism is____?
Correct Answer: C
The type of glass used in making lenses and prism is Flintglass. The result follows from how light is reflected, refracted, focused, or distributed across the electromagnetic spectrum.
Q1929.The type of mirrors used in the headlamp of cars is ____?
Correct Answer: A
Car headlamps use parabolic concave reflectors. When the bulb is placed near the focus, the reflector sends light outward as a nearly parallel beam.
Q1930.The unit of home electricity energy consumption is ?
Correct Answer: C
The unit of home electricity energy consumption is Killowatt hour. The effect results from the movement of charge or the interaction of electric and magnetic fields.
Q1931.The unit of torque in International system of unit is ____?
Correct Answer: B
The unit of torque in International system of unit is Newton- Meter. This value follows from the standard definition or accepted conversion used for the quantity.
Q1932.The unit to measure the quantity of Ozone in atmosphere is ?
Correct Answer: A
The unit to measure the quantity of Ozone in atmosphere is Dobson. Its geographic position or physical characteristics account for the description given.
Q1933.The unit to measure the quantity of Ozone in atmosphere is?
Correct Answer: A
The unit to measure the quantity of Ozone in atmosphere is Dobson. Its geographic position or physical characteristics account for the description given.
Q1934.The valency of carbon Atom is ____ ?
Correct Answer: D
The valency of carbon Atom is 4. This description follows from the defining characteristics and established facts associated with the subject.
Q1935.The value of acceleration due to gravity is minimum on which of these planets?
Correct Answer: C
The value of acceleration due to gravity is minimum on which of these planets: Mercury. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.
Q1936.The variety of coal in which the deposit contains recognizable traces of the original plant material is____?
Correct Answer: D
The variety of coal in which the deposit contains recognizable traces of the original plant material is peat. This is based on the organism’s established anatomy, behavior, or biological classification.
Q1937.The Virus of AIDS affects the growth of____?
Correct Answer: C
The Virus of AIDS affects the growth of T cells in blood. This description follows from the defining characteristics and established facts associated with the subject.
Q1938.The vitamin Folate works together with ____ to produce new red blood cells?
Correct Answer: C
The vitamin Folate works together with Vitamin B- 12 to produce new red blood cells. Vitamins support specific metabolic and physiological functions, and their properties determine their sources, solubility, and deficiency effects.
Q1939.The vitamin which is generally excreted by humans in urine is____?
Correct Answer: D
The vitamin which is generally excreted by humans in urine is Vitamin C. Vitamins support specific metabolic and physiological functions, and their properties determine their sources, solubility, and deficiency effects.
Q1940.The volume of Blood in a Human body to be approximately ____ of body weight?
Correct Answer: B
The volume of Blood in a Human body to be approximately 7% of body weight. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.