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Plant Growth an...

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  • Question 1
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    Which of the following plant growth regulators is/are not involved in growth promoting activities?

  • Question 2
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    Which of the following scientists isolated auxin from the tips of coleoptiles of oat seedlings?

  • Question 3
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    Which of the following is not a use of auxins?

  • Question 4
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    Which of the following plant growth regulators is/are sprayed on juvenile conifers to hasten their maturity period?

  • Question 5
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    The rise in rate of respiration during the ripening of fruits is called respiratory climacteric. Which of the following plant growth regulators is responsible for this?

  • Question 6
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    Which of the following growth regulators does not play a role in plant defence mechanism?

  • Question 7
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    Which of the following plasticities is observed in Mesembryanthemum crystallinum when it becomes water or salt stressed?

  • Question 8
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    Physiological activity of all plants is maximum at

  • Question 9
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    Apical meristem is present on the middle or lower part of which of the following plants?

  • Question 10
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    Strigolactones, a family of new plant hormones is associated with

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