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 8
A plant is growing in a dark room. Predict what will happen to its growth and explain why.
Describe how plants respond to water availability in their environment.
Describe the process of seed germination.
Describe the role of roots in plant growth and development.
A farmer notices that his plants are yellowing and not growing well. Which nutrient deficiency is most likely responsible? (1) Nitrogen (2) Phosphorus (3) Potassium (4) Calcium
A plant is growing in a dark room. Predict what will happen to its growth and explain why.
A student observes that a plant bends towards a window where sunlight enters the room. What is this phenomenon called? (1) Geotropism (2) Hydrotropism (3) Phototropism (4) Thigmotropism
A gardener notices that the lower leaves of a plant are turning yellow while the upper leaves remain green. Which nutrient deficiency is most likely responsible for this pattern? (1) Nitrogen (2) Magnesium (3) Phosphorus (4) Sulfur
A farmer notices that his plants are yellowing and not growing well. Which nutrient deficiency is most likely responsible? (1) Nitrogen (2) Phosphorus (3) Potassium (4) Calcium
A student observes that a plant bends towards a window where sunlight enters the room. What is this phenomenon called? (1) Geotropism (2) Hydrotropism (3) Phototropism (4) Thigmotropism
Which hormone promotes fruit ripening in plants? (1) Auxin (2) Gibberellin (3) Ethylene (4) Abscisic acid
Which of the following best describes phototropism? (1) Growth in response to gravity (2) Growth in response to light (3) Growth in response to water (4) Growth in response to touch
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 gravity is called __________.
Fill in the blank: The process by which plants lose water vapor mainly through their leaves is called __________.
Fill in the blank: The process by which plants make their own food using sunlight is called __________.
True or False: All plant cells can divide and produce new cells throughout the plant's life.
True or False: All plant hormones have the same effect on plant growth.
True or False: All plants require the same amount of sunlight to grow.
True or False: Cytokinins promote cell division in plant roots and shoots.
