HORTICULTURE

HORTICULTURE SCIENCE

PLANT BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In the story ‘Jack and the beanstalk’, Jack grew a beanstalk that grew way into the clouds. If I wanted to try and grow one myself, which plant hormone would I give my beanstalk?
A
Cytokinesis
B
Ethylene
C
Auxins
D
Gibberellins
Explanation: 

Detailed explanation-1: -Auxin and cytokinin are critical growth hormones in plant development and are naturally present within the plant at variable concentrations throughout the season. Their presence and activity are different from other hormones which act more in an on-off manner and are present only at specific times.

Detailed explanation-2: -Owing to its predominant role in ripening of the climacteric fruits, ethylene remains the most explored hormone (Bapat et al., 2010). Two systems of ethylene biosynthesis operate during fruit development and ripening in climacteric fruits.

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