NTA Abhyas NEET2020BotanyPlant - Growth and DevelopmentPractice
Match the following for PGR and their chemical nature and select the correct option. Column I Column II A . IAA i . Carotenoids B . Kinetin i i . Terpenes C . ABA i i i . Indole compounds D . GA3 i v . Adenine derivatives
Options
- AA – i i i B – i v C – i D – i i
- BA – i B – i i i C – i i D – i v
- CA – i v B – i i C – i i i D – i
- DA – i i B – i C – i v D – i i i
Correct answer
A. A – i i i B – i v C – i D – i i
Step-by-step solution
Auxin is chemically known as indole 3 acetic acid (IAA) is an indole compound that is formed from an amino acid, tryptophan. Kinetin is a modified form of adenine, a purine, isolated by autoclaving herring fish sperm DNA. Abscisic acid is derived from carotenoids. Gibberellic acids are terpenes that occur in different forms.