Online Test of Chapter 10 Light Reflection and Refraction MCQ Class 10th Science
Question :-
1.The Laws of reflection are valid for
(i)Plane surfaces
(ii)Any Reflecting surfaces
(iii)Curved Reflecting surfaces
(iv)None of these
2.The image formed by plane mirror is
(i)Always erect
(ii)Always Virtual
(iii)Of same size
(iv)All of these
3. The focus of convex mirror is
(i)Virtual point
(ii)Real point
(iii)In front of mirror
(iv)At pole of mirror
4. Whic
Online Test of Chapter 5 Periodic Classification of Elements MCQ Science| Class 10th
Question :-
1. How many horizontal rows or periods are present in the modern periodic table?
(a) 5
(b) 7
(c) 6
(d) 8
2. Maximum number of electron filled in a shell is given by ___________
(a) 2n2
(b) 3n2
(c) 5n2
(d) None of these
3. Atoms of the elements belonging to the same group of periodic table will have
(a) Same number of protons
(b) Same number of electrons in
Online Test of Chapter 5 Periodic Classification of Elements MCQ Science| Class 10th
Question :-
1. How many elements are present in the periodic table?
(a) 101
(b) 112
(c) 117
(d) 118
2. Newland’s rule known as_________
(a) Law of triads
(b) Law of octaves
(c) Law of periodic table
(d) None of these
3. Newland’s law of octaves based upon __________
(a) Increasing order of atomic number
(b) Increasing order of atomic mass
(c) Increasing order of elect
Online Test of Chapter 16 Sustainable Management of Natural Resources MCQ Class 10th Science
Question :-
1. The stakeholders of forests causes the maximum damage to forest is
a)People who live in or around the forest
b)The industrialists
c)The wildlife and native enthusiasts
d)The forest department of the government
2. Amirata Devi Bishnoi scarified her life for the protection of
a)Sal trees
b)Pine trees
c)Khejri trees
d)Alpine meadows
3. …………… energy
Online Test of Chapter 16 Sustainable Management of Natural Resources MCQ Class 10th Science
Questions :-
1. Ganga Action Plan came about in
a)1980
b)1985
c)1990
d)1995
2. Ganga Action Plan a multi-crore project came in existence because
a)Quality of the water in the Ganga getting polluted
b)Quality of the water in the Ganga was very poor
c)Quality of the water in the Ganga decreases
d)None of these
3. What is Coliform?
a)Group of bacteria
b)Causing c
Online Test of Chapter 15 Our Environment MCQ Class 10th Science
Questions :-
1.The radiation, highly damaging to organisms is
a)UV
b)Infrared radiation
c)Ultrasonic
d)None of these
2. Every step of food chain is called a
a)Producers
b)Consumers
c)Secondary consumers
d)None of these
3. Green plants convert …. % of solar energy into food energy.
a)10
b)0.1
c)5
d)1
4. The process in which a harmful chemical enters the food chain and gets concentrated a
Online Test of Chapter 14 Our Environment MCQ Class 10th Science
Questions :-
1. Components form the ecosystem are-
a)All biotic
b)All abiotic
c)Both (a) and (b)
d)None of these
2. What are the biotic components?
a)All living organisms
b)All non-living organisms
c)All organisms
d)None of these
3. Which of the following is a biodegradable substance?
a)Glass
b)Plants
c)Plastics
d)Polythene
4. Which of the following is a non-biodegradable substance?
a)C
Online Test of Chapter 14 Sources of Energy MCQ Class 10th Science
Questions :-
1. Ocean thermal energy is due to
a)Energy stored by waves in the ocean
b)Pressure difference at different levels in the ocean
c)Temperature difference at different levels in the ocean
d)Tides arising out in the ocean
2. Which of the following is the correct statement
a)There is infinite storage of fossil fuel inside the earth
b)Hydro and wind energy plants are non-pollutin
Online Test of Chapter 14 Sources of Energy MCQ Class 10th Science
Questions :-
1.The largest component of biogas is
a)Helium
b)Oxygen
c)Nitrogen
d)Methane
2. The gaseous fuel which has the highest calorific value is
a)Hydrogen
b)Methane
c)LPG
d)Biogas
3. Which of the following is not the characteristics of a good fuel is:
a)Less calorific value
b)Easy to store and transport
c)Less residue after burning
d)All of the above
4. Thermal power plants uses
Online Test of Chapter 9 Heredity and Evolution Class 10th Science
Questions :-
1.With whom you can associate theory of evolution?
a. Charles Darwin
b. Mendel
c. Stanley miller
d. Harold Urey
2. Which of the following can be called a characteristic?
a. Plants can photosynthesis
b. We have 2 eyes
c. Mango tree is multicellular
d. All of these
3. Possible reason behind importance of variation?
a. Transmission
b. classification
c. forms basis of heredity