Q. People prefer to wear cotton clothes in summer season. This is due to the fact that cotton clothes are -
1) good absorbers of water
2) good conveyors of heat
3) good radiators of heat
4) good absorbers of heat
Q. Soap solution used for cleaning purpose appears cloudy. This is due to the fact that soap micelles can -
1) refract light
2) scatter light
3) diffract light
4) polarize light
Q. In graphite, each carbon atom is bonded to three other carbon atoms -
1) forming a three-dimensional structure
2) in the same plane giving a hexagonal array
3) in the same plane giving a square array
4) in the same plane giving a pentagonal array
Q. Which one of the following is monatomic?
1) Hydrogen
2) Sulphur
3) Phosphorus
4) Helium
Q. Who were Alvars?
1) Those who immersed in devotion to Vishnu
2) Devotees of Shiva
3) Those who worshiped abstract form of God
4) Devotees of Shakti
Q. Which one of the following is the largest fresh water lake in India?
1) Chilika
2) Loktak
3) Dal
4) Wular
Q. Rains caused by thunderstorms during the hot weather season (mid-March to mid-June) in Karnataka are called -
1) Kalbaisakhi
2) Mango Showers
3) Loo
4) Cherry blossoms
Q. Which one of the following mountains separates Black Sea and Caspian Sea?
1) Urals
2) Caucasus
3) Carpathians
4) Balkan mountains
Q. Which one of the following is the correct sequential phase in the successional development of vegetation community in a habitat?
1) Migration, Reaction, Stabilization and Nudation
2) Migration, Stabilization, Reaction and Nudation
3) Nudation, Migration, Reaction and Stabilization
4) Reaction, Migration, Stabilization and Nudation
Q. The term soil impoverishment relates to which one of the following?
1) Soil erosion
2) Soil deposition
3) Soil getting very deficient in plant nutrients
4) Soil getting enriched with plant nutrients
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