Everyday Science Solved Important MCQs,Questions For Public Service Commission Exam.

Everyday Science Solved Important MCQs,Questions for Public Service Commission Exam.

Hypochondria is a ———
Ans State of morbid anxiety about one`s health with complaint of imaginary disorders.

. Aspirin is a ———
Ans Pain reliever

. The message received by and transmitted from the brain to various parts of the body take form of
Ans Nervous impulses

. Hormones, which are necessary for the development of human body , are secreted by
Ans: Pituitary gland

. Hormones, which are necessary for the development of human body , are secreted by
Ans Pituitary gland

The green colour of water in a lake is due to
Ans: Excessive growth of sea weeds

. 14 : carat gold means
Ans An alloy containing 14 parts of gold and 10 parts of copper

. The stars are not visible in the day time because
Ans of sun`s brightness during day time

” Biopsy ” is ——–
Ans Medical diagnosis technique using cells and tissues

In typhoid, which of the following drugs is administered?
Ans: Chloromcetin

Soap and detergents remove the dirt from clothes due to
 Ans Osmosis

Wave length of Ultra violet light is
 Ans 5500 A

The green color of water in a lake is due to
Ans Excessive growth of sea weeds

Diamond and Emerald contain
Ans Carbon and silicon
Cloudy nights are warmer than clear nights due to
Ans Prevention of heat radiated out by the earth from escaping into the sky

Which of the following semi-conductor ?
Ans: Copper

As one climbs up the Mount Everest, one experiences difficulty in breathing due to
a. Low content of nitrogen
b. Low content of oxygen
c. High content of carbon dioxide
Ans None of above

A camera forms
Ans Real but inverted images

The gas used in Soda water is
Ans Carbon dioxide

A red flower placed in green light appears
Ans black

The metal used in storage batteries is
Ans Lead

Anemia is caused in man due to the deficiency of
a. Folic acid
b. Vitamin A
c. Vitamin B 12
Ans None of these

. Which of the following situations will be fatal to the first foetus ?
Ans Rh positive male marries Rh negative woman

. The most important function of perspiration is to
Ans Regulate the body temperature

The main function of white blood cell in body is to
Ans Protect body against diseases

. The cranial nerve which supplies regions of the body is
Ans Vagus

07. The number of chromosomes in the human body is
Ans: 46

One micron is equal to
Ans One- thousandth of a millimeter

The innermost linning which wraps the brain and spinal card in vertebrates is called
Ans Piamater

The internal antenna of transistor set is made of ?
Ans: Ferror Chrome

Gerontology is the study of ?
Ans Process of ageing

Helium is used for respiration in deep water instead of nitrogen because
Ans It is heavier than nitrogen.

In a fluorescent tube which of the following components are found?
Ans Mercury vapour

The common ore of aluminium is ?
Ans Chromite