Everyday Science MCQs

Everyday Science MCQs questions with answers for FPSC,PPSC,CSS,NTS and othe ronline test preparation. Basics of everyday science MCQ test questions and answers. These online general science MCQs test questions are from general knowledge about biology, chemistry and from general physics and environmental science.
Questions/Answers
Q. The Sun’s mass is mainly consist of hydrogen. The second main constituent of the Sun’s mass is
(A) argon
(B) nitrogen
(C) carbon dioxide
(D) helium
Q. What play an important role in determining the hottest temperature the human body can tolerate?
(A) altitude
(B) humidity
(C) pollution
(D) type of gasses
Q. Transformers are used to change ________ voltage levels.
(A) alternating current
(B) direct current
(C) circuit
(D) none of these
Q. What type of rocks are formed when continental plates collide with each other?
(A) igneous rocks
(B) sedimentary rocks
(C) metamorphic rocks
(D) marble and onyx
Q. Rocks formed when magma or lava cools on Earth’s surface are called
(A) igneous rocks
(B) sedimentary rocks
(C) metamorphic rocks
(D) marble and onyx
Q. The amount of sunlight on the surface of the Earth varies because of the Earth’s
(A) axial tilt
(B) rotation
(C) revolution
(D) poles
Q. About what percent of world’s freshwater reserves are frozen in the continent of Antarctica?
(A) 60%
(B) 70%
(C) 80%
(D) 90%
Q. What is the approximate average thickness of the Earth’s continental crust?
(A) 5 miles
(B) 15 miles
(C) 25 miles
(D) 35 miles
Q. According to the scientists, how many galaxies are there in the universe?
(A) 10 million
(B) 100 million
(C) 10 billion
(D) 100 billion
Q. What is the maximum temperature that the human skin can endure without getting blisters?
(A) 40°C
(B) 60°C
(C) 80°C
(D) 100°C
Q. Which of the following substance is NOT a conductor?
(A) Aluminum
(B) Silicon
(C) Graphite
(D) All are conductors
Q. What is the most abundant form of matter in the universe?
(A) Plasma
(B) Liquid
(C) Gas
(D) Solid
Q. About how much energy entering earth’s atmosphere is from the sun?
(A) 70%
(B) 80%
(C) 90%
(D) 99.9%
Q. Deficiency of Vitamin-D results in
(A) night blindness
(B) rickets
(C) scurvy
(D) hair fall
Q. During winter in cold countries, the __________ is mixed to melt the ice on the icy roads.
(A) Salt
(B) Chlorine
(C) Carbon dioxide
(D) Water
Q. The planet that moves round the Sun at the highest speed is
(A) Jupiter
(B) Venus
(C) Mars
(D) Mercury
Q. Oxidation is a chemical reaction involving the
(A) Gain of Electrons
(B) Loss of Electrons
(C) Gain of Protons
(D) Loss of Protons
Q. The position of an element in the Periodic Table is determined by its __________ number.
(A) Electron
(B) Proton
(C) Neutron
(D) Positron
Q. At night
(A) The land cools faster than the water in the sea
(B) The water in the sea cools faster than the land
(C) The land and the water in the sea cools together
(D) None of these