General Science Mcqs for PPSC, FPSC, NTS

The vitamin which is generally excreted by humans in urine is__________?

A. Vitamin A
B. Vitamin B
C. Vitamin B12
D. Vitamin C

Which of the following metals occurs in free state ______________?

A. Lead
B. Iron
C. Mercury
D. Copper

Magnalium is an alloy of_____________?

A. Magnesium and Lead
B. Aluminium and Zinc
C. Aluminium and Magnesium
D. Aluminium and Mercury

By which process copper is refined ____________?

A. Roasting
B. Oxidation
C. Zone Refining
D. Electrolysis

In which part of the eye lies the pigment that decides the colour of the eyes of a person___?

A. Retina
B. Iris
C. Cornea
D. Pupal

Which among the following is responsible for producing the color of human skin ___?

A. Insulin
B. Vitamin K
C. Melanin
D. DNA

Which one of the following can be synthesized by Liver _______?

A. Vitamin B6
B. Vitamin B12
C. Vitamin K
D. Vitamin E

What is/are the basic purpose(s) of dams?

A. Storage of water in a large reservoir
B. Generation of electricity
C. Control of floods
D. All of the above

The point that lies directly above the source of an earthquake is known as _______________ ?

A. Earthquake Center
B. Epicenter
C. Gravitational Center
D. Geological Center

Which one is the world’s largest mangrove forest(s)?

A. Changa Manga Forest
B. Amazon Forest
C. Sundarbans Forest
D. None of the above

The rocks formed out of layers of sediment bonded together are known as _______________?

A. Metamorphic rocks
B. Sedimentary rocks
C. Igneous rocks
D. All of the above

What is the name of the central part of the earth?

A. Mantle
B. Core
C. Crust
D. None of the above

Evaporation from ice and snow is known as___________?

A. evaporation
B. sublimation
C. hydrogenation
D. insolation