Questions and Answers
Match the following organisms with their categories:
Mushroom = Saprophytes Pitcher plant = Insectivores Cuscuta = Parasites
Green plants are called ____________ since they synthesize their own food.
Autotrophs
Oxygen is released by plants during _________________.
photosynthesis
___________ live on dead and decaying animals.
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The food synthesized by the plants is stored as __________.
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____________ is the green colored pigment present in leaves.
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What is photosynthesis?
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What is the difference between parasites and saprophytes?
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What are insectivorous plants? Give two examples.
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Green plants prepare their food hence they are Autotrophs.
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Carbon dioxide gas is released in the process of photosynthesis.
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Carnivores are flesh eating animals.
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Minute pores on the leaf surface are called stomata.
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Cuscuta is an insectivorous plant.
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What is the mode of nutrition in plants?
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Rearrange the letters to find out the word related to plant nutrition: ROPHYLCHLO.
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Rearrange the letters to find out the word related to plant nutrition: UNLISUNHGT.
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Rearrange the letters to find out the word related to plant nutrition: TERAW.
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Rearrange the letters to find out the word related to plant nutrition: TOSAMTA.
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Study Notes
Nutrition in Plants
- Green plants are classified as autotrophs because they can synthesize their own food through photosynthesis.
- During photosynthesis, plants release oxygen as a byproduct.
- Saprophytes are organisms that obtain their nutrition from dead and decaying organic matter.
- Chlorophyll is the green pigment found in leaves that is essential for photosynthesis.
- The food produced by plants is stored in the form of starch.
Photosynthesis
- Photosynthesis is defined as the process where green plants use sunlight, water, and carbon dioxide to synthesize food, primarily in the form of carbohydrates.
Nutrition Types
- Parasites are organisms that feed on other living organisms, often causing harm (e.g., Cuscuta, lice, mosquitoes).
- Saprophytes obtain nutrients from dead and decaying materials (e.g., bacteria, fungi).
- Insectivorous plants trap and consume insects to obtain additional nutrients, particularly proteins (e.g., Pitcher plants, Drosophila).
Organism Categories
- Mushroom: Classified as a saprophyte.
- Pitcher Plant: Classified as an insectivorous plant.
- Cuscuta: Classified as a parasite.
True/False Statements
- Green plants are autotrophs because they prepare their own food. (True)
- Carbon dioxide is released during photosynthesis. (False)
- Carnivores are animals that eat flesh. (True)
- Stomata are tiny pores located on the leaves' surface. (True)
- Cuscuta is considered an insectivorous plant. (False)
Nutritional Mode
- The primary mode of nutrition in plants is autotrophic, relying on inorganic substances and the process of photosynthesis.
Related Words
- Chlorophyll: The green pigment essential for photosynthesis.
- Sunlight: A critical energy source for the process of photosynthesis.
- Water: Necessary for photosynthesis and plant health.
- Stomata: Pores on leaf surfaces that facilitate gas exchange.
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Description
Test your knowledge on the nutrition processes in plants with this quiz from CBSE Class VII. Match the concepts and fill in the blanks to reinforce your understanding of how green plants synthesize food and their role in the ecosystem.
