Plant Growth and Development
Biology ⇒ Plant Biology
Plant Growth and Development starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Plant Growth and Development.
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See sample questions for grade 7
A plant is not growing well even though it gets enough sunlight and water. What could be another reason for poor growth?
A student noticed that a plant placed near a window bends towards the light. What is this phenomenon called?
A student planted two seeds. One was kept in the dark, and the other in sunlight. After a week, only the seed in sunlight grew leaves. What does this experiment show about plant growth?
Describe the role of gibberellins in plant growth.
Describe the role of roots in plant growth and development.
A plant is not growing well even though it gets enough sunlight and water. What could be another reason for poor growth?
A student noticed that a plant placed near a window bends towards the light. What is this phenomenon called?
A student planted two seeds. One was kept in the dark, and the other in sunlight. After a week, only the seed in sunlight grew leaves. What does this experiment show about plant growth?
Which gas do plants take in during photosynthesis? (1) Oxygen (2) Carbon dioxide (3) Nitrogen (4) Hydrogen
Which hormone is mainly responsible for the elongation of plant stems? (1) Auxin (2) Cytokinin (3) Gibberellin (4) Ethylene
Which of the following is a correct sequence in the life cycle of a flowering plant? (1) Seed → Germination → Flowering → Pollination → Seed dispersal (2) Flowering → Seed dispersal → Germination → Pollination → Seed (3) Pollination → Germination → Seed dispersal → Flowering → Seed (4) Seed dispersal → Pollination → Germination → Flowering → Seed
Which of the following is a function of leaves? (1) Absorbing water (2) Making food (3) Anchoring the plant (4) Storing seeds
Fill in the blank: The downward growth of roots in response to gravity is called __________.
Fill in the blank: The green pigment in plants that absorbs light for photosynthesis is called __________.
Fill in the blank: The movement of a plant in response to light is called __________.
Fill in the blank: The process by which plants lose water vapor through their leaves is called __________.
Is it true that all plants have flowers?
Is it true that all plants need soil to grow?
Is it true that all plants reproduce by seeds?
Is it true that all seeds need light to germinate?
