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10th Tamil Nadu Board
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Important Questions on Plant and Animal Hormones

EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 7
Identify the exocrine gland.
EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 8
Which organ acts as both exocrine gland as well as an endocrine gland?
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10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 9
Which one is referred to as “Master Gland”?
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10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 1
_____ (Auxin/ Gibberellin/ Cytokinin/ Ethylene) causes cell elongation, apical dominance and prevents abscission.
EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 2
_____ is a gaseous hormone involved in abscission of organs and acceleration of fruit ripening.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 4
_____ plant hormones induce stem elongation in rosette plants.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 5
The hormone which has a negative effect on apical dominance is _____.
EASY
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 7
Beta cells of islets of Langerhans secrete _____.