MCQ
Match the following concerning the activity function and the phytohormone involved.

Column $I$ Column $II$
($a$)  Fruit ripener ($i$)  Abscisic acid
($b$)  Herbicide ($ii$)  Polysaccharide
($c$)  Bolting agent ($iii$)  $GA _{3}$
($d$)  Stress hormone ($iv$)  Ethephon

Select the correct option from following 

  • A
    $( a )-( iv ),( b )-( ii ),( c )-( i ),( d )-( iii )$
  • B
    $( a )-( ii ),( b )-( iii ),( c )-( iv ),( d )-( i )$
  • C
    $( a )-( iii ),( b )-( iv ),( c )-( ii ),( d )-( i )$
  • $( a )-( iv ),( b )-( iii ),( c )-( ii ),( d )-( i )$

Answer

Correct option: D.
$( a )-( iv ),( b )-( iii ),( c )-( ii ),( d )-( i )$
d
(a) Fruit ripener- Ethephon (Ethylene helps in ripening of fruits)

(b) Herbicide $-2,4-D($ Auxin $)$

(c) Bolting agent $- GA _{3}$ (Gibberellin) [Helps in internode elongation]

(d) Stress hormone - Abscisic acid (ABA)

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