Multiple Choice Questions
The study of general science involves observing, measuring, and experimenting with different aspects of nature to develop theories and models that explain how the world works. it is essential in shaping our understanding of the world and in developing technologies that have transformed modern society. These MCQs are helpful for various competitive exams like railway, SSC, UPSC etc.
Que: Which of the following element is metal?
a) Hydrogen
b) Oxygen
c) Iron
d) Carbon
Que:2 The pH of a neutral solution is
a) 8
b) 7
c) 6
d) 5
Que: 3 Which of the following is a non-renewable source?
a) Solar Energy
b) Wild Energy
c) Tidal Energy
d) Coal
Que: 4 Which of the following is not a state of matter?
a) Plasma
b) Gas
c) Liquid
d) Solid
e) None of the above
Que: 5 What is the scientific name for the study of plants?
a) Geology
b) Botany
c) Zoology
d) Meteorology
Que: 6 Which of the following is an example of a renewable source?
a) Sunlight
b) Petroleum
c) Coal
d) Natural Gas
Que:7 Which of the following is a component of DNA?
a) Fatty Acids
b) Protein
c) Amino Acid
d) Nucleotide
Que:8 Which of the following is not a type of rock?
a) Sedimentary
b) Metamorphic
c) Water
d) Igneous
Que: 9 What is the number of chromosomes in the human body?
a) 42
b) 44
c) 46
d) 23
Que: 10 How are plant cells different from animal cells?
a) Cell Wall
b) Mitochondria
c) Presence of living matter
d) Cell nucleus
Que:11 What is the normal blood pressure of a healthy person?
a) 100/50
b) 150/100
c) 120/80
d) 80/100
Que: 12 Plant cell wall is made up of:
a) Cellulose
b) Sucrose
c) Fructose
d) Glucose
Que: 13 For which of the following fertilizers, sulphuric acid is being used in large amounts?
a) Phosphate fertilizers
b) Organic fertilizers
c) Potassium Fertilizers
d) Nitrogen Fertilizers
Que: 14 Which part of the body does the Bright disease affect?
a) Spleen
b) Kidney
c) Liver
d) Heart
Que: 15 Lightest elements of the periodic table
a) Osmium
b) Lithium
c) Gallium
d) Mercury
Que: 16 Hardest elements of the periodic table:
a) Diamond
b) Platinum
c) Lanthanide
d) Oganesson
Que:17 Primary, secondary and tertiary amines can be identified by:
a) Fehling’s solution
b) Tollen’s reagent
c) Gignard’s reagent
d) Hinsberg’s reagent
Que: 18 What is the major constituent of gobar gas?
a) Methane
b) Sulphur
c) Nitrogen
d) Carbon dioxide
Que: 19 Which source is associated with a line emission spectrum?
a) Red Traffic light
b) Neon street sign
c) Electric fibre
d) Sun
Que:20 …………….responsible for transportation of water in the plant?
a) Phloem
b) Xylem
c) Stomata
d) Roots
Que:21 The chemical formula of rust is:
a) FeO
b) Fe3O4
c) FeCl3
d) Fe2O3
Que:22 Iron is prevented from rusting by coating with zinc. This process is called:
a) Reduction
b) Evaporation
c) Condensation
d) Galvanization
Que:23 C3H9N can have how many structural isomers?
a)2
b) 3
c)4
d) 5
Que:24 Acid rain is due to:
a) SO3 and CO
b) O3 and dust
c) SO2 and NOx
d) CO2 and CO
Que: 25 Which type of lens is used to correct the vision of a person suffering from Myopia?
a) Convex lens
b) Concave lens
c) Cylindrical lens
d) None of the above
Que: 26 The organelles in which aerobic respiration occurs in a cell are:
a) Chloroplast
b) Ribosomes
c) Mitochondria
d) Dictyosomes
Que: 27 Water percentage in plasma is:
a) 60%
b) 70%
c) 80%
d) 90%
Que:28 The drug most widely tried against the AIDS virus is:
a) miconazole
b) Virazole
c) nonoxynol-9
d) zidovudine (azidothymidine)
Que: 29 Ozone layer above the surface of the earth protects from…..
a) Heat
b) Ultraviolet rays
c) Shooting stars
d) Meteors
Que: 30 Which microorganism causes hepatitis B?
a) Bacteria
b) Virus
c) Protozoa
d) None of the above
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