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Plant Growth an...

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  • Question 1
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    The diagram given above indicates some experiments done by Went with coleoptiles oat seedlings. A coleoptile grown in darkness was decapitated and the tip was kept on a block agar for a few minutes. A indicates the agar block placed sideways on another decapitated coleoptile. B indicates the control for this experiment.

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    What is the substance that was discovered by these experiments?

  • Question 2
    1 / -0

    Directions For Questions

    The diagram given above indicates some experiments done by Went with coleoptiles oat seedlings. A coleoptile grown in darkness was decapitated and the tip was kept on a block agar for a few minutes. A indicates the agar block placed sideways on another decapitated coleoptile. B indicates the control for this experiment.

    ...view full instructions

    Why is this experiment carried out in the dark?

  • Question 3
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    Which one of these is a herbicide?

  • Question 4
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    The most efficient precursor of ethylene is ................

  • Question 5
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    Bakanae disease was reported to be due to ................

  • Question 6
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    Auxin causes cells to absorb water from hypertonic media because ........

  • Question 7
    1 / -0

    Directions For Questions

    The diagram given above indicates some experiments done by Went with coleoptiles oat seedlings. A coleoptile grown in darkness was decapitated and the tip was kept on a block agar for a few minutes. A indicates the agar block placed sideways on another decapitated coleoptile. B indicates the control for this experiment.

    ...view full instructions

    How is the agar block shown in B different from that shown in A?

  • Question 8
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    What should a gardener do to induce flowering in Chrysanthemum?

  • Question 9
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    Richmond-Lang's effect is controlled by

  • Question 10
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    Which one of the following is not true about kinetin?

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