Class 7 Science — Chapter 10: Life Processes in Plants
Chapter 10: Life Processes in Plants is a chapter in Class 7 Science (Curiosity), part of the CBSE NCERT curriculum followed by over 25 million students across India. This chapter covers 6 topics including Essential Requirements for Plant Growth, Leaves as 'Food Factories', Starch as the Food Produced by Plants. BrainWeave provides free AI-powered explanations — by voice or text, in Hindi or English — with no signup required.
What you'll learn
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▸Essential Requirements for Plant GrowthCore conceptsunlightwaterplant growthexperimentsapling
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▸Leaves as 'Food Factories'leavesfood factoriesstarchchlorophyllplant structure
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▸Starch as the Food Produced by PlantsCore conceptstarchcarbohydratestored foodplant nutritioniodine
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▸The Iodine Test for Starchiodine teststarch testblue-blackalcoholdecolourise
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▸Role of Sunlight and Chlorophyll in Starch ProductionCore conceptchlorophyllsunlightgreen patchesvariegated leafstarch production
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▸Role of Carbon Dioxide in Starch ProductionCore conceptcarbon dioxideaircaustic sodasodium hydroxidedestarch
Chapter Summary
Understand that plants require essential external factors like sunlight and water for their overall growth, as demonstrated by comparing plants under different experimental conditions.
Recognize that leaves are the primary location where plants produce their own food, hence they are often called the 'food factories' of the plant.
Identify starch, a type of carbohydrate, as the form of food that plants produce and store, primarily in their leaves.
Learn the procedure for testing the presence of starch in a leaf using iodine solution, including the steps of boiling in water and alcohol, and recognizing the blue-black color change as a positive result.
Understand that chlorophyll, the green pigment in leaves, is essential for capturing sunlight energy to produce starch, and that this process only occurs in the presence of sunlight.
Understand that carbon dioxide from the air is a crucial raw material required by plants to produce starch, and its absence prevents this process.
Practice Questions from this Chapter
Tap "Get Solution" on any question to ask our AI tutor.
- Explain photosynthesis simply. Get Solution →
- Show plant growth examples. Get Solution →
- Describe plant nutrient absorption. Get Solution →
- What is the name of the green pigment in leaves that helps capture sunlight? Get Solution →
- In what form do plants typically store their food? Get Solution →
- What gas is released by plants during the process of photosynthesis? Get Solution →
- According to Activity 10.1, what two things are essential for a plant's growth? Get Solution →
- What is the process by which plants prepare their own food using sunlight? Get Solution →
Did you know?
- 💡 A single large tree can release hundreds of gallons of water into the air daily.
- 💡 Some bamboo plants can grow over three feet in just one day.
- 💡 The 'corpse flower' smells like rotting meat to attract pollinating insects.
- 💡 Certain plants can communicate with each other using underground fungal networks.
- 💡 Earth's oldest living organism is a bristlecone pine tree over 5,000 years old.
Frequently Asked Questions
How many topics are covered in this chapter?
This chapter covers 6 key topics: Essential Requirements for Plant Growth, Leaves as 'Food Factories', Starch as the Food Produced by Plants, The Iodine Test for Starch, Role of Sunlight and Chlorophyll in Starch Production, and more. The BrainWeave AI tutor explains each one with examples.
Is Chapter 10: Life Processes in Plants important for board exams?
Class 7 is a foundation year. Mastering this chapter now will help you build strong fundamentals for the higher classes.
Can I get NCERT solutions for this chapter in Hindi?
Yes. BrainWeave's AI tutor supports Hindi, English, and Hinglish for both voice and text chat. Just ask your question in your preferred language.
Is BrainWeave free for Class 7?
Yes. BrainWeave's free Spark plan gives generous daily messages — enough for regular homework. Premium features unlock when you bring your own free Google Gemini API key.
Can I use voice chat for this chapter?
Absolutely. Tap the mic, ask any question about Chapter 10: Life Processes in Plants, and the AI tutor will explain it back in voice and text.
How is BrainWeave better than static NCERT solutions sites?
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