Life Processes in Plants — Important Questions
CBSE · Class 7 · Science
43 important questions from Life Processes in Plants for CBSE Class 7 Science, with answers. Includes multiple choice and multiple correct questions.
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Important Questions from Life Processes in Plants
Which of the following are essential for photosynthesis?
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Sunlight, Carbon dioxide, Water, Chlorophyll
Photosynthesis requires sunlight for energy, carbon dioxide from air, water from soil, and chlorophyll to capture light. Oxygen is produced, not needed.
Which gas is released by plants during photosynthesis?
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Oxygen
During photosynthesis, plants take in carbon dioxide and water to make glucose, and oxygen is released as a byproduct.
What chemical is used to test for the presence of starch in leaves?
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Iodine solution
Iodine solution turns blue-black when starch is present, making it a reliable test to detect starch in leaves.
Which structure transports water and minerals from roots to leaves?
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Xylem
Xylem are tube-like structures that transport water and dissolved minerals from roots upward to all parts of the plant.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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