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Plant Growth and Development Quiz
Class XI
Biology
Plant Growth and Development
14 questions
HARD
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Preview questions
1. What is the primary hormone responsible for cell elongation in plants?
Cytokinins · Gibberellins · Auxins · Abscisic Acid
2. Which of the following is NOT a phase of plant growth?
Maturation · Germination · Juvenile · Reproductive
3. What is phototropism?
Growth towards light · Growth away from light · Growth in response to gravity · Growth in response to water
4. Which plant hormone is primarily involved in the regulation of stomatal closure?
Gibberellins · Ethylene · Auxins · Abscisic Acid
5. Which part of the plant is primarily responsible for the uptake of water and minerals?
Stem · Leaves · Roots · Flowers
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