Q. The group of 18 officers of Chandra Gupta Maurya was called -
1) Amatya
2) Rajjuk
3) Mantriparishad
4) Tirtha
Q. Which is a central problem of an economy?
1) Allocation of resources
2) Optimum utilization of resources
3) Economic development
4) All of the above
Q. A computer system includes -
1) Hardware
2) Software
3) Peripheral devices
4) All of the above
Q. IC chips used in computers are made with -
1) Gold
2) Silicon
3) Copper
4) Silver
Q. What is the speed of the computer measured it?
1) Nanoseconds
2) Kilo seconds
3) Gigahertz
4) Megabytes
Q. Entomology is the science that studies -
1) Behaviour of human beings
2) Insects
3) The origin and history of technical and scientific terms
4) The formation of rocks
Q. Most highly intelligent mammals are -
1) Whales
2) Dolphins
3) Elephants
4) Kangaroo
Q. When a bottle of soda water is opened, carbon dioxide escapes, producing a fizz. This is due to -
1) Decrease in solubility on decreasing temperature
2) Decrease in solubility on increasing temperature
3) Decrease in solubility on decreasing pressure
4) Decrease in solubility on increasing pressure
Q. The three levels of biodiversity are -
1) Genetic, species and biome
2) Molecular, species and biome
3) Genetic, population and ecosystem
4) Genetic, species and ecosystem
Q. Which is/are the abiotic components of an ecosystem?
1) Soil
2) Protein
3) Carbon
4) All of these
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