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GK (Science)

Description: Expected questions on general science
Number of Questions: 25
Created by:
Tags: GK Bank PO UPSC Chemistry General Biology General Knowledge Letter E Letter H Letter G Letter B
Attempted 0/25 Correct 0 Score 0

Stainless steel is an alloy of

  1. nickel and chromium

  2. chromium and tungsten

  3. nickel, manganese and chromium

  4. nickel, cobalt and manganese


Correct Option: C

Quartz crystal, normally used in quartz clocks is chemically

  1. sodium silicate

  2. silicon dioxide

  3. carbon dioxide

  4. germanium dioxide


Correct Option: B

What are elements containing the same number of protons but different number of neutrons called?

  1. Isotopes

  2. Isobars

  3. Compounds

  4. Allotropes


Correct Option: A

Which of the following is not an air pollutant?

  1. Sulphur dioxide

  2. Carbon dioxide

  3. Hydrocarbon

  4. Nitrous oxide


Correct Option: D

Which of the following acids is the most important in building tissue proteins?

  1. Linoleic

  2. Amino

  3. Lactic

  4. Saturated fatty


Correct Option: B

Name plates made of brass get discolored in air because of the presence of which of the following gases in the air?

  1. Oxygen

  2. Nitrogen

  3. Carbon dioxide

  4. Hydrogen sulphide


Correct Option: D

Which of the following is the only liquid metal?

  1. Hydrogen

  2. Chlorine

  3. Mercury

  4. Water


Correct Option: C

What is the correct increasing order of abundance of the main components of air?

  1. Oxygen, nitrogen and argon

  2. Argon, oxygen and nitrogen

  3. Nitrogen, argon and oxygen

  4. Nitrogen, oxygen and argon


Correct Option: B

Diamond and graphite are similar in

  1. crystal structure

  2. density

  3. electrical conductivity

  4. atomic weight


Correct Option: D

Which one of the following secretes hormones in the human body?

  1. Plasma cells

  2. Endocrine glands

  3. Salivary glands

  4. Prostrate glands


Correct Option: B

Breeding by the mating of genetically different lines to obtain desirable traits is called

  1. inbreeding

  2. selection

  3. out breeding

  4. hybridization


Correct Option: D

Which of the following nitrogenous fertilisers is not very effective in acidic soils?

  1. Ammonium sulphate

  2. Urea

  3. Nitrolin

  4. Calcium nitrate


Correct Option: B
Explanation:

  Urea is nitrogenous fertilisers which is not very effective in acidic soils.

Which of the following is the most toxic gas?

  1. Carbon dioxide

  2. Carbon monoxide

  3. Nitrogen

  4. Hydrogen


Correct Option: B

Which of the following regulates the blood glucose level?

  1. Insulin

  2. Iodine

  3. Hemoglobin

  4. Glycogen


Correct Option: A

Which part of the body is affected by asthma?

  1. Lungs

  2. Respiratory tract

  3. Heart

  4. Liver


Correct Option: B

Which of the following is a communicable disease?

  1. Cancer

  2. Diabetes

  3. Diphtheria

  4. Rheumatism


Correct Option: C

Which of the following is the best source of vitamin A?

  1. Carrot

  2. Jaggery

  3. Ragi

  4. Gooseberries


Correct Option: A

Pearls are formed inside a/an

  1. squid

  2. snail

  3. oyster

  4. mollusk


Correct Option: C

Which of the following types of sex chromosomes represent a male human being?

  1. YY

  2. XX

  3. XY

  4. XO


Correct Option: C

Which of the following is a result of lack of proper nutrition?

  1. Anemia

  2. Scurvy

  3. Diabetes

  4. Flurosis


Correct Option: A

Which one of the following is a protozoan disease?

  1. Typhoid

  2. Malaria

  3. Night blindness

  4. Ringworm


Correct Option: B

Inflammation of the membranes covering the brain and spinal cord is referred to as

  1. sinusitis

  2. meningitis

  3. hepatitis

  4. tonsillitis


Correct Option: B

Which one of the following is a bacterial disease?

  1. Typhoid

  2. Rabies

  3. Night blindness

  4. Ringworm


Correct Option: A

Which of the following vitamins aids in the absorption of iron?

  1. Vitamin A

  2. Vitamin B

  3. Vitamin C

  4. Vitamin D


Correct Option: C

A pregnant woman is advised to undergo abortion, if contacts with which of the following diseases?

  1. Chicken-pox

  2. German measles

  3. Small-pox

  4. Measles


Correct Option: B
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