Which of the following phytohormones is a derivative of carotenoids?

  • A
    Auxin
  • B
    $ABA$
  • C
    Ethylene
  • D
    Cytokinin

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Which of the following is known as the $Stress$ $hormone$?

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Which hormone induces senescence in plants?

Describe the discovery of $ABA$.

Leaf abscission,fruit fall,and bud dormancy occur due to which phytohormone?

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