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Who proved that blends of polyblend (pla...

Who proved that blends of polyblend (plastic waste) and bitumen, when used to lay roads, enhanced the bitumen's water repellant properties and helped to increase road life ?

A

Amrita Devi

B

Ramdeo Misra

C

WH Pearsall

D

Ahmed Khan

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SARAS PUBLICATION-MODEL QUESTION PAPER 6-EXERCISE
  1. Consider the following statements and choose the correct option. I. Th...

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  2. Who proved that blends of polyblend (plastic waste) and bitumen, when ...

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  3. Match the following. . .

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  4. The first trophic level in an ecosystem consists of:

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  5. The figure given is a diagrammatic representation of response of organ...

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  6. Select the correct statement:

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  7. The rate of biomass production and the rate of production of organic, ...

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  8. Allen's rule applies to:

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  9. Pick out the correct option from (a) to (e).I. Primary succession begi...

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  10. Select the wrong statement.

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  11. Which of the following organisms breeds only once in lifetime?

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  12. Select the wrong statement.

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  13. Choose the correct statement.

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  14. Which of the following characters belongs to the Kingdom-Monera?

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  15. Which one of the following is used extensively in biochemical and gene...

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  16. Match column I with column II and choose right option.

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  17. Which one of the following is a very good pollution indicator?

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  18. In one plant, underground stems are modified to store food and in anot...

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  19. Consider the following statements:-I. In leguminous plants, leaf base ...

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  20. Pick out the statement that does not apply to bryophytes:

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