JKBOSE Class 8th Science Paper 2022
CLASS-VIII
ENGLISH – T2
Time Allowed: 1:00 Hrs. Maximum Marks: 40
JKBOSE Class 8th Science Paper 2022
Note: The students shall be required to attempt 80% of their choice, which is equivalent to 32 marks and the same shall be raised by 100% (40 marks) on a proportionate basis.
Do as directed:
- Night birds have ………………….cones than rods in their eyes. (less/more)
- The angle of incidence is equal to the angle of reflection:
(a) Always
(b) Sometimes
(c) under special conditions
(d) Never
- The splitting of light into its colours is called Dispersion. (True/False)
- Which of the following can be beaten into sheets:
(a) Zinc
(b) Phosphorus
(c) Sulphur
(d) Oxygen
- Non-metals are poor conductors of heat and electricity. (True/False)
- Metals are conductors of heat and ……………………..(cold/electricity)
- Kharif crops are sown during the months of ……………. (January/June)
- Which of the following is not a greenhouse gas?
(a) Carbon dioxide
(b) Methane
(c) Nitrogen
(d) Sulphur dioxide
- The type of pollution which is likely to affect Taj Mahal in Agra to greater extent is:
(a) air pollution
(b) water pollution
(c) soil pollutions
(d) noise pollution
- The phenomenon of marble cancer is due to:
(a) soot particles
(b) CFC’s
(c) fog
(d) acid rain
- Friction can be reduced by using:
(a) oil
(b) grease
(c) powder
(d) all of these
- Smooth surface has less friction. (True/False)
- Sliding friction is …………… than/to rolling friction;
(a) smaller
(b) greater
(c) equal
(d) none of these
- Rough surfaces produce…………… friction than smooth surfaces. (lesser/greater)
- Fluids are only liquids. (True/False)
- Which planet has the largest number of satellites:
(a) Jupiter
(b) Saturn
(c) Mercury
(d) Mars
- Which unit is used to measure astronomical distances?
(a) Leap year
(b) Light year
(c) century
(d) Sound year
- Which star is nearest to Earth?
(a) Pole Star
(b) Orion
(c) Cassiopeia
(d) Sun
- …………… are celestial bodies of the universe and continuously emit heat and light. (planet/stars)
- Jupiter is the largest planet. (True/False)
- The powerhouse of the cell is called:
(a) Cell wall
(b) Mitochondria
(c) Ribosomes
(d) Nucleus
- Tissues combine to form:
(a) Nucleus
(b) Cells
(c) Organisms
(d) Organs
- Cell wall is found in plant cells only. (True/False)
- Cells are the ………………………………….. units of all living organisms. (basic/useless)
- The process of transfer of charges from a charged object to the earth is called:
(a) earthing
(b) lightning
(c) oscillation motion
(d) electronic movement
- The power of an earthquake is expressed on scale called:
(a) Seismic scale
(b) Richter scales
(c) Iron scale
(d) Celsius scale
- Nitrogen fixation occurs during lightning. (True/False)
- Adolescence is the period of: Doubs od am
(a) 5 to 10 years
(b) 11 to 19 years
(c) 22 to 28 years
(d) 30 to 40 years
- Hormones are secretions of ….. glands. (endocrine/exocrine)
- Testosterone is the……….. hormone. (female/male)
- The shape of an aeroplane is like:
(a) Dog
(b) Bird
(c) Car
(d) all of these
- Our galaxy is known as:
(a) Earth galaxy
(b) Sun galaxy
(c) Milky way
(d) Constellation
- Smog is made up of smoke and fog. (True/False)
- The business of dairy is called:
(a) Winnowing
(b) Dairying
(c) Irrigation
(d) Transplanting
- Metals are:
(a) Soft and brittle
(b) Hard and solid
(c) Liquid
(d) Generally liquid
- …………… is a commonly used chemical method for purifying water.
(a) Brominization
(b) Flourination
(c) Filtration
(d) Chlorination
- Earthquake can be predicted in advance. (True/False)
- Carbon monoxide is a poisonous gas. (True/False)
- Which metal reacts readily with cold water?
(a) Gold.
(b) Silver
(c) Magnesium
(d) Calcium
- Nucleus is separated from the cytoplasm by………..(cell wall/nuclear membrane)
Leave a Reply