Certain chemical substances having a profound effect on growth are called
- ACatalytic agents
- BPhytohormones
- CEnzymes
- DCompost
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Similar Questions
Match the following columns regarding the discovery of plant growth regulators:
Column-$I$ Column-$II$ $A$. $F. W. Went$ $1$. $Kinetin$ $B$. $E. Kurosawa$ $2$. $Gibberellic$ $acid$ $C$. $Skoog$ $and$ $Miller$ $3$. $Auxin$ $D$. $Cousin$ $4$. $Ethylene$
Select the correct matching sequence:
| Column-$I$ | Column-$II$ |
| $A$. $F. W. Went$ | $1$. $Kinetin$ |
| $B$. $E. Kurosawa$ | $2$. $Gibberellic$ $acid$ |
| $C$. $Skoog$ $and$ $Miller$ | $3$. $Auxin$ |
| $D$. $Cousin$ | $4$. $Ethylene$ |
Select the correct matching sequence:
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View SolutionThe red-far red light response is mediated by which of the following?
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View SolutionWhich scientists observed that the coleoptiles of canary grass respond to unilateral illumination by growing towards the light source?
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View SolutionThe natural plant hormones were first isolated from:
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