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  • Question
  • Which of the following is not a commercial source of energy?


  • Options
  • A. Coal
  • B. Petroleum
  • C. Natural Gas
  • D. Firewood

  • Correct Answer
  • Firewood 

  • Tags: Bank Exams

    General Science problems


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    • 1. ___________ is the set of all possible combinations of the two inputs that yield the same maximum possible level of output.

    • Options
    • A. The Short Run
    • B. The Long Run
    • C. Isoquant
    • D. Average product
    • Discuss
    • 2. Biofortification is a ________________ .

    • Options
    • A. method of breeding crops to increase their nutritional value
    • B. strategy to combat unwanted nutrients in plants
    • C. method of developing resistance to insect pests
    • D. method of plant breeding for disease resistance
    • Discuss
    • 3. Which among the following has the maximum life span

    • Options
    • A. Eagle
    • B. Tortoise
    • C. Tiger
    • D. Elephant
    • Discuss
    • 4. Bridgmanite is

    • Options
    • A. A bridge on the river Thames
    • B. Name of a game
    • C. Earth's most abundant mineral
    • D. Name of a music
    • Discuss
    • 5. In stems, the protoxylem lies towards the centre and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called _____________.

    • Options
    • A. Xylem fibres
    • B. Xylem parenchyma
    • C. Exarch
    • D. Endarch
    • Discuss
    • 6. Which of the following is the uppermost layer of the atmosphere?

    • Options
    • A. Stratosphere
    • B. Mesosphere
    • C. Ionosphere
    • D. Exosphere
    • Discuss
    • 7. A tropical deciduous plant special to the Deccan plateau is

    • Options
    • A. Teak
    • B. Shisam
    • C. Sandalwood
    • D. Sal
    • Discuss
    • 8. The most abundant metal in the Earth's crust is

    • Options
    • A. zinc
    • B. copper
    • C. aluminium
    • D. iron
    • Discuss
    • 9. According to the distance of planets from the Sun, which of the following order is correct?

    • Options
    • A. Mercury, Venus, Earth, Mars
    • B. Mercury, Earth, Mars, Venus
    • C. Mercury, Mars, Earth, Venus
    • D. Mercury, Mars, Venus, Earth
    • Discuss
    • 10. Rayon is obtained from which among the following?

    • Options
    • A. Silk
    • B. Wood pulp
    • C. Wool
    • D. Cotton
    • Discuss


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