Top 30 General Science GK Quiz for Competitive Exam

Play GK quiz on General Science which is important in competitive exams. Science general knowledge questions answer Quiz tests for a candidate who prepares for govt exams.

General Science GK Quiz for Competitive Exam

Question 1: The chemical formula for water is?

(A) NaAlO2

(B) H2O

(C) Al2O3

(D) CaSiO3

View Answer
(B) H2O

Question 2: Which of the following is used in Pencils?

(A) Silicon

(B) Charcoal

(C) Graphite

(D) Phosphorous

View Answer
(C) Graphite

Question 3: The gas usually filled in the electric bulb is ?

(A) Nitrogen

(B) Hydrogen

(C) Carbon dioxide

(D) Oxygen

View Answer
(A) Nitrogen

Question 4: Which one of the following is not a function of the liver?

(A) Enzyme activation

(B) Regulation of blood sugar

(C) Detoxication

(D) Reproduction

View Answer
(D) Reproduction

Question 5: The largest cell is? 

(A) The egg of an Ostrich

(B) Nerve Cell

(C) Ovum

(D) None of the above

View Answer
(A) The egg of an Ostrich

Question 6: Which Animal never drinks water in its entire life?

(A) Kangaroo

(B) Kangaroo rat

(C) Hippopotamus

(D) Rat

View Answer
(B) Kangaroo rat

Question 7: Which is the largest human cell?

(A) Skink

(B) Liver

(C) Ovum

(D) Spleen

View Answer
(C) Ovum

Question 8: Which of the following is in liquid form at room temperature?

(A) Sodium

(B) Lithium

(C) Francium

(D) Cerium

View Answer
(C) Francium

Question 9: The substance that hardens when mixed with water is

(A) A Red lead

(B) Epsom salt

(C) Gypsam salt

(D) Plaster of Paris

View Answer
(D) Plaster of Paris

Question 10: Which vitamin is essential for the formation of blood?

(A) B12

(B) B6C

(C) B2D

(D) B1

View Answer
(A) B12

Question 11: Which among the following indicates Vitamin B12?

(A) Pyridoxine

(B) Niacin

(C) Cobalamine

(D) Thiamine

View Answer
(C) Cobalamine

Question 12: Which of the following acid is NOT a Vitamin?

(A) Folic Acid

(B) Pantothenic Acid

(C) Ascorbic Acid

(D) Oleic Acid

View Answer
(D) Oleic Acid

Question 13: What fraction of the Body’s calcium is stored in bones and teeth?

(A) 85%

(B) 99%

(C) 90%

(D) 94%

View Answer
(B) 99%

Question 14: The Vitamin which is generally excreted in human urine is? 

(A) Vitamin E

(B) Vitamin A

(C) Vitamin C

(D) Vitamin K

View Answer
(C) Vitamin C

Question 15: Ostrich is the largest living bird which:

(A) Walks like a horse

(B) Is more an animal

(C) Does not use its wings

(D) None of these

View Answer
(C) Does not use its wings

Question 16: What is the average life of Red Blood cells in our body?

(A) 30-40 days

(B) 70-80 days

(C) 160-180 day

(D) 100-120 days

View Answer
(D) 100-120 days

Question 17: Alcoholic fermentation is characteristic of:

(A) Yeasts

(B) Virus

(C) Algae

(D) Bacteria

View Answer
(A) Yeasts

Question 18: Sodium metal is kept under?

(A) Petrol

(B) Kerosene

(C) Water

(D) Alcohol

View Answer
(B) Kerosene

Question 19: The All India weather report is issued from?

(A) Mussoorie

(B) Dehradum

(C) Pune

(D) Delhi

View Answer
(C) Pune

Question 20: A clear sky is blue because?

(A) Blue light has been absored

(B) Blue light is scattered more than red

(C) Red light is scattered more than blue

(D) Red light is absored & blue scattered

View Answer
(B) Blue light is scattered more than red

Question 21: Protein value of a vegetable is lost most by?

(A) Baking

(B) Steaming

(C) Frying

(D) Boiling

View Answer
(C) Frying

Question 22: Cotton fiber is obtained from?

(A) Leaf

(B) Stem

(C) Fruit

(D) Seed

View Answer
(C) Fruit

Question 23: What is Laughing Gas?

(A) Carbon monoxide

(B) Sulphur dioxide

(C) Nitrous Oxide

(D) Hydrogen peroxide

View Answer
(C) Nitrous Oxide

Question 24: Balloons are filled with

(A) Helium

(B) Nitrogen

(C) Oxygen

(D) Argon

View Answer
(A) Helium

Question 25: Which of the following is the lightest metal?

(A) Mercury

(B) Lead

(C) Lithium

(D) Silver

View Answer
(C) Lithium

Question 26: The average salinity of sea water is?

(A) 3%

(B) 2.5%

(C) 3.5%

(D) 2%

View Answer
(C) 3.5%

Question 27: Which among the following are the building blocks of human body?

(A) Cells

(B) Muscles

(C) Neurons

(D) Proteins

View Answer
(A) Cells

Question 28: Soda water contains?

(A) Carbonic acid

(B) Sulphuric acid

(C) Carbon dioxide

(D) Nitrous acid

View Answer
(C) Carbon dioxide

Question 29: How many colors the sunlight spectrum has?

(A) Three

(B) Seven

(C) Four

(D) Five

View Answer
(B) Seven

Question 30: Paper is manufactured by?

(A) Wood and bleaching powder

(B) Wood, calcium, hydrogen sulphite and resin

(C) Wood, sodium and bleaching powder

(D) Wood and resin

View Answer
(B) Wood, calcium, hydrogen sulphite and resin