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Solution


Q.

Read the passage given below and answer the following questions from (i) to (v).

Plant hormones are a group of organic substances that occur naturally and influence plant physiological processes. Plant hormones are also called phytohormones and work as growth regulators. Main processes affected are growth, differentiation, and development. It is well known that several plant hormones are involved in the regulation of fruit development and ripening across fleshy and dry fruits.

 

(i) Concentration of which plant hormone stimulates the cells to grow longer on the side of the shoot which is away from light
1 Renin  
2 Auxin  
3 Gibberellin  
4 Cytokinin  

Ans.

(2)