Chapter – 18 Pollution of Air and Water MCQ Test 2 Science | Class – 8th

Questions :- 1. Air pollution causes _________ (a) Global warming (b) Respiratory Problems (c) Soil erosion (d) None of these 2. CNG is a ________ (a) Polluted fuel (b) Harmful fuel (c) Clean fuel (d) None of these 3. Name the substances that pollute water. (a) Air pollutant (b) Water pollutant (c) Land pollutant (d) None of these 4. When was Ganga access plan launched? (a) 1975 (b) 1980 (c) 1985 (d) 1990 5. Government of In...

Chapter – 18 Pollution of Air and Water MCQ Test 1 Science | Class – 8th

Questions :- 1. The layer of air present around the earth is called ___________ (a) Smog (b) Pollution (c) Atmosphere (d) None of these 2. Name the substances which contaminate the air. (a) Air pollutant (b) Water pollutant (c) Land pollutant (d) None of these 3. When air is contaminated by unwanted substances which have a harmful effect on both the living and the non-living they are called __________ (a) Water pollution (b) Air pollutio...

Chapter – 17 Stars and the solar system MCQ Test – 2 Science | Class – 8th

Questions :- 1. Name the well-known constellation that can be seen during winter in the late evenings. (a) Cassiopeia (b) Orion (c) Sirius (d) None 2. Which is the brightest star in the sky? (a) Cassiopeia (b) Orion (c) Sirius (d) None 3. Name the constellation which looks like a distorted letter W or M. (a) Cassiopeia (b) Orion (c) Sirius (d) None 4. Name the definite path where planet revolves around the sun. (a) Solar system (b...

Chapter – 17 Stars and the solar system MCQ Test – 1 Science | Class – 8th

Questions :- 1. Name the natural object which is located outside of Earth atmosphere such as moon, planet and moon. (a) Terrestrial object (b) Celestial object (c) Both (d) None 2. Which is the brightest planet of the solar system? (a) Earth (b) Uranus (c) Neptune (d) Venus 3. The study of celestial objects and associated phenomena is called __________ (a) Astrology (b) Astronomy (c) Both (d) None 4. Which is the nearest planet ...

Chapter – 16 Light MCQ Test – 2 Science | Class – 8th

Questions :- 1. Name the transparent part of the eyes which covers front portion of the eye. (a) Iris (b) Pupil (c) Cornea (d) None of these 2. Name the coloured part of the eye which is behind the cornea. (a) Iris (b) Pupil (c) Cornea (d) None of these 3. Name the part of the eye which controls the amount of light entering into the eye. (a) Iris (b) Blind spot (c) Cornea (d) None of these 4. Name the part of eye which controls the ...

Chapter – 16 Light MCQ Test -1 Science | Class – 8th

Questions :- 1. Name the ray which travels from source to the reflecting surface. (a) Reflected ray (b) Incident ray (c) Refracted ray (d) None of these 2. Name the ray which comes back from the surface after reflection. (a) Reflected ray (b) Incident ray (c) Refracted ray (d) None of these 3. How many laws of reflection? (a) Three (b) Two (c) Four (d) Five 4. Second law of reflection states that _________ (a) Angle of incidence i...

Chapter – 15 Some Natural Phenomena MCQ Test – 2 Science | Class – 8th

Questions :- 1. Sparkers can be seen on electric dipole when wires become _________ (a) Loose (b) Tight (c) Both (d) None 2. Name the device used to protect buildings from the effect of lightning. (a) Metallic conductor (b) Electrolytic conductor (c) Lightning conductor (d) None of these 3. Benjamin Franklin showed lightning in _________ (a) 1752 (b) 1745 (c) 1725 (d) 1754 4. When was the major earthquake occurred in Bhuj district...

Chapter – 15 Some Natural Phenomena MCQ Test – 1 Science | Class – 8th

Questions :- 1. Name the resin which produces sparks is _________ (a) Amber (b) Gum (c) Rubber (d) None of these 2. Name the device which is used to detect whether an object is charged or not. (a) Spectroscope (b) Electroscope (c) Microscope (d) None of these 3. Which of them is a classical type of electroscope? (a) Pitch – ball electroscope (b) Gold – leaf electroscope (c) Both of these (d) None of these 4. Name the process of tr...

Chapter – 14 Chemical effect of electric current MCQ Test – 2 Science | Class – 8th

Questions :- 1. Adding common salt to distilled water makes it ___________ (a) Good conductor (b) Poor conductor (c) Both (d) None 2. An electrolyte is a ___________ (a) Metal (b) Solution (c) Liquid that conducts current (d) None of these 3. Distilled water is a ___________ (a) Good conductor of electricity (b) Poor conductor of electricity (c) Both (d) None 4. __________ is an example of good conductor of electricity. (a) P...

Chapter – 14 Chemical effect of electric current MCQ Test – 1 Science | Class – 8th

Questions :- 1. Materials, which allow electric current to pass through them, are __________ conductors of electricity. (a) Good (b) Bad (c) Good as well as bad (d) None of these 2. Materials, which do not allow electric current to pass through them easily, are ___________ conductors of electricity. (a) Good (b) Bad (c) Good as well as bad (d) None of these 3. __________ is an example of good conductor of electricity. (a) Plastic (b) R...