Plant Growth and Development
Biology ⇒ Plant Biology
Plant Growth and Development starts at 7 and continues till grade 12.
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See sample questions for grade 10
A plant is exposed to continuous darkness. Predict and explain what will happen to its growth.
Describe how light affects the process of photosynthesis and plant growth.
Describe the process of seed dormancy and its significance.
Describe the role of gibberellins in plant growth.
Explain how temperature can affect plant growth and development.
Explain the difference between primary and secondary growth in plants.
Explain the importance of mineral nutrients in plant growth.
Explain the significance of the seed coat in plant development.
Explain why water is essential for seed germination.
Name the plant hormone that inhibits growth and promotes dormancy.
What is photoperiodism?
What is the function of the apical meristem in plants?
What is the main difference between annual, biennial, and perennial plants?
What is the main function of phloem in plants?
What is the role of the root cap in plant growth?
A farmer applies a synthetic auxin to a crop field. Predict two possible effects this could have on the plants and explain the underlying reasons.
A scientist is studying two groups of identical plants. Group A is grown in normal air, while Group B is grown in an environment with increased carbon dioxide concentration. Predict and explain the likely effect on the growth rate of Group B compared to Group A.
Describe the process of differentiation in plant cells and explain its importance in plant development.
Explain how apical dominance affects the overall shape and branching pattern of a plant. Include the role of plant hormones in your answer.
Explain how water stress (drought) can affect the levels of abscisic acid (ABA) in plants and describe the physiological response that results.
