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  • Question
  • 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

  • Correct Answer
  • Endarch 

  • Tags: Bank Exams

    General Science problems


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    • 1. In the biosphere living beings are inter-related and interdependent on each other for survival. This life supporting system is known as the __________.

    • Options
    • A. Ecosystem
    • B. Mountain range
    • C. Forest
    • D. Atmosphere
    • Discuss
    • 2. Thermal electricity is generated by using which of these ?

    • Options
    • A. Coal only
    • B. Coal and Natural Gas only
    • C. Coal, Natural Gas and Petroleum
    • D. None of these
    • Discuss
    • 3. The large collection of stars, dust and gas held together by gravitational attraction between components is known as

    • Options
    • A. Cluster
    • B. Atmosphere
    • C. Galaxy
    • D. Sun Family
    • Discuss
    • 4. Gustation refers to the sense of which of the following ?

    • Options
    • A. Smell
    • B. Hearing
    • C. Tactile
    • D. Taste
    • Discuss
    • 5. The core of the earth is also known as ______

    • Options
    • A. Lithosphere
    • B. Mesosphere
    • C. Barysphere
    • D. Centrosphere
    • Discuss
    • 6. 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
    • 7. Which among the following has the maximum life span

    • Options
    • A. Eagle
    • B. Tortoise
    • C. Tiger
    • D. Elephant
    • Discuss
    • 8. 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
    • 9. ___________ 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
    • 10. Which of the following is not a commercial source of energy?

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


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