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Plant hormones play a role in regulating seed germination. The graph shows changes in hormone concentrations (left axis) and hypocotyl growth (right axis) over time for moong bean. Which hormone(s) most likely regulates hypocotyl (bean sprout) growth during moong bean germination?

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Important Questions on Plant Growth and Development

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NEET
IMPORTANT
MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 15 - Plant Growth and Development>NCERT EXEMPLAR PROBLEMS>Q 1
Ethylene is used for
EASY
NEET
IMPORTANT
MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 15 - Plant Growth and Development>NCERT EXEMPLAR PROBLEMS>Q 2
Coconut water contains
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NEET
IMPORTANT
MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 15 - Plant Growth and Development>NCERT EXEMPLAR PROBLEMS>Q 3
The affect of apical dominance can be overcome by which of the following hormone?
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IMPORTANT
MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 15 - Plant Growth and Development>NCERT EXEMPLAR PROBLEMS>Q 4

Match the following.       

  Column A   Column B
A IAA (i) Herring sperm DNA
B ABA (ii) Bolting
C Ethylene (iii) Stomatal closure
D GA (iv) Weed-free lawns
E Cytokinins (v) Ripening of fruits

 

MEDIUM
NEET
IMPORTANT
MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 15 - Plant Growth and Development>NCERT EXEMPLAR PROBLEMS>Q 5
Apples are generally wrapped in waxed paper to
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IMPORTANT
MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 15 - Plant Growth and Development>NCERT EXEMPLAR PROBLEMS>Q 6
Growth can be measured in various ways. Which of these can be used as parameters to measure growth?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 15 - Plant Growth and Development>NCERT EXEMPLAR PROBLEMS>Q 7
The term synergistic action of hormones refers to
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NEET
IMPORTANT
MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 15 - Plant Growth and Development>NCERT EXEMPLAR PROBLEMS>Q 8
Plasticity in plant growth means that