Plant Nutrition
Biology ⇒ Plant Biology
Plant Nutrition starts at 6 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Plant Nutrition.
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See sample questions for grade 9
A student places a plant in a dark room for a week. What will most likely happen to the rate of photosynthesis?
Describe how water and minerals move from the soil to the leaves of a plant.
Describe the difference between autotrophic and heterotrophic nutrition in plants.
Describe the role of stomata in plant nutrition.
Explain the importance of mineral nutrients in plant nutrition.
A student places a plant in a dark room for a week. What will most likely happen to the rate of photosynthesis?
A farmer notices that the leaves of his crops are turning yellow, but the veins remain green. Which nutrient is most likely deficient?
(1) Potassium
(2) Iron
(3) Calcium
(4) Sulfur
A plant is grown in a sealed container with adequate water, minerals, and light, but no carbon dioxide is supplied. Predict and explain what will happen to the plant's growth.
Which of the following best describes autotrophic nutrition?
(1) Obtaining food from other organisms
(2) Making food from inorganic substances
(3) Absorbing food from dead matter
(4) Eating insects
Which of the following is a correct statement about saprophytic plants?
(1) They make their own food
(2) They feed on dead and decaying matter
(3) They trap insects
(4) They live inside other plants
Which of the following is a deficiency symptom of nitrogen in plants?
(1) Yellowing of leaves
(2) Wilting
(3) Stunted root growth
(4) Purple stems
Which of the following is a function of phloem tissue in plants?
(1) Transporting water
(2) Transporting food
(3) Absorbing minerals
(4) Supporting the plant
Fill in the blank: Plants that obtain some or all of their nutrients from other living plants are called __________ plants.
Fill in the blank: The green pigment in leaves that absorbs sunlight for photosynthesis is called __________.
Fill in the blank: The main source of carbon for plants is __________ in the atmosphere.
Fill in the blank: The process by which plants break down glucose to release energy is called __________.
True or False: All green parts of a plant can perform photosynthesis.
True or False: All plants can fix atmospheric nitrogen directly.
True or False: All plants obtain their nutrition only through photosynthesis.
True or False: Carnivorous plants obtain all their nutrients from insects.
