Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 7th Standard Science - English Medium - Plant and Animal Hormones

Samacheer Kalvi 7th Science - Plant and Animal Hormones - Book Back Questions in English Medium


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Question 1 Of 10

LH is secreted by


Question 2 Of 10

To increase the sugar production in sugarcanes they are sprayed with


Question 3 Of 10

The hormone which has a positive effect on apical dominance is:


Question 4 Of 10

Which one of the following hormones is naturally not found in plants:


Question 5 Of 10

Which organ acts as both exocrine gland as well as endocrine gland


Question 6 Of 10

Avena coleoptiles est was conducted by


Question 7 Of 10

Which one is referred to as “Master Gland”?


Question 8 Of 10

Identify the exocrine gland


Question 9 Of 10

Gibberellins cause:


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