Plant Nutrition
Biology ⇒ Plant Biology
Plant Nutrition starts at 6 and continues till grade 12.
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See sample questions for grade 8
A student sets up an experiment with two plants: one is kept in the dark, and the other in sunlight. After a week, the plant in the dark is weak and yellow, while the one in sunlight is healthy and green. What does this experiment show about plant nutrition?
Describe the importance of nitrogen for plants.
Describe the role of sunlight in photosynthesis.
Explain the difference between autotrophic and heterotrophic nutrition in plants.
Explain why plants need minerals from the soil.
Explain why some plants are called insectivorous plants.
Explain why water is important for plant nutrition.
A student sets up an experiment with two plants: one is kept in the dark, and the other in sunlight. After a week, the plant in the dark is weak and yellow, while the one in sunlight is healthy and green. What does this experiment show about plant nutrition?
Which element is essential for the formation of chlorophyll in plants?
(1) Iron
(2) Magnesium
(3) Calcium
(4) Potassium
Which of the following best describes autotrophic nutrition?
(1) Obtaining food from other organisms
(2) Making food from inorganic substances
(3) Absorbing food through the skin
(4) Eating only plants
Which of the following is a carnivorous plant?
(1) Rose
(2) Venus flytrap
(3) Mango
(4) Bamboo
Which of the following is a function of root hairs?
(1) Photosynthesis
(2) Absorbing water and minerals
(3) Producing seeds
(4) Releasing oxygen
Fill in the blank: Plants absorb water and minerals from the soil through their __________.
Fill in the blank: Plants store excess food in the form of __________.
Fill in the blank: Plants that obtain nutrients from dead and decaying matter are called __________.
Fill in the blank: The process by which plants lose water vapor from their leaves is called __________.
True or False: All green plants are autotrophs.
True or False: All plants can make their own food.
True or False: All plants require the same amount of nutrients to grow.
True or False: Photosynthesis occurs only during the day.
