Chapter 10: Life Processes Plants Notes…

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About these notes

Class 7 Science Chapter 10 Life Processes Plants notes explain photosynthesis (प्रकाश संश्लेषण), transpiration, transport of water and food, plant respiration and modes of nutrition with clear diagrams and concise definitions. Main sub-topics: leaf structure and stomata; xylem and phloem transport; photosynthesis equation and limiting factors; types of nutrition (autotrophic, parasitic, saprophytic); respiration and simple experiments. For Class 7 CBSE and Bihar Board students these notes are ideal for quick revision — then practise important questions, try MCQ and the chapter test on Merit Spring ROH and use mock tests to assess preparation.

Key points you will learn

Class 7 Science Chapter 10 Life Processes Plants notes: photosynthesis, transpiration, transport (xylem, phloem)
Photosynthesis equation: 6CO2 + 6H2O → C6H12O6 + 6O2; occurs in chloroplasts; factors — light, CO2, chlorophyll
Transpiration: stomata function, types (cuticular, lenticular, stomatal) and factors affecting rate
Xylem vs Phloem: xylem carries water/minerals upward; phloem moves sugars both up and down (sieve tubes)
Modes of nutrition: autotrophic (photosynthesis) and heterotrophic (parasitic, saprophytic) with examples
Plant respiration: aerobic and anaerobic pathways; respiration releases energy for growth and maintenance
Diagram tips: label leaf structure, stomata, xylem and phloem; practise neat labelled sketches for exams

What is inside this chapter

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Life Processes Plants - Chapter 10 Notes (Class 7 Science)

Class 7 Science Life Processes Plants - Chapter 10 handwritten-style revision notes for CBSE and Bihar Board students.

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Questions students ask

What is photosynthesis in plants?

Photosynthesis is the process by which green plants make food using sunlight, carbon dioxide and water, producing glucose and oxygen. The overall equation is 6CO2 + 6H2O → C6H12O6 + 6O2 and it takes place in chloroplasts.

Difference between xylem and phloem?

Xylem transports water and dissolved minerals upward from roots to leaves, while phloem transports sugars and organic food materials both upward and downward. Xylem has vessel elements/tracheids; phloem has sieve tubes and companion cells.

How to prepare for Class 7 Life Processes Plants chapter test?

Begin by revising the notes to learn key definitions, memorise the photosynthesis equation, and practise labelling diagrams and short-answer questions; then attempt MCQ and the chapter test on Merit Spring ROH to check timing and accuracy.

Where to find Class 7 Life Processes Plants important questions and MCQ?

Use Merit Spring ROH to access chapter tests, mock tests and practice MCQ; revise with the Class 7 Life Processes Plants notes on this page before attempting those tests to improve scores.

What factors affect the rate of photosynthesis and transpiration?

Photosynthesis increases with light intensity, available CO2 and adequate chlorophyll but is limited by temperature and water stress; transpiration rate rises with higher temperature, wind, low humidity and more open stomata.

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