NCERT Solutions Class 7 Science Chapter 10 Life Processes in Plants

Life Processes in Plants, the tenth chapter in NCERT Solutions Class 7 Curiosity, delves into the remarkable systems that enable plants to survive, grow, and interact with their environment. By exploring photosynthesis, respiration, transportation, stomatal function, and related experiments, the chapter builds on foundational knowledge gained in Class 6, offering students a deeper understanding of plant biology and its connection to life on Earth.

This NCERT Solutions Class 7 Science chapter is crucial for several reasons: it teaches how plants manufacture and utilize food, how they breathe and transport substances internally, and how tiny structures like stomata play a vital role in everything from gas exchange to water regulation.

1.0NCERT Solutions Class 7 Science Chapter 10 Life Processes in Plants – Download PDF

Download the free PDF of NCERT Solutions for Class 7 Science Chapter 10 offers clear, step-by-step answers to all in-text and exercise questions, complete with labelled diagrams and examples.

2.0Key Concepts in Chapter 10: Life Processes in Plants

1. Autotrophic Nutrition & Photosynthesis

• Plants are autotrophs, capable of producing their own food using simple inorganic substances.
• Photosynthesis captures light energy via chlorophyll in leaves to convert water and carbon dioxide into glucose and oxygen:
  6 CO₂ + 6 H₂O —[sunlight, chlorophyll]→ C₆H₁₂O₆ + 6 O₂
• Experiments with variegated leaves and iodine tests show that starch forms only in green areas with chlorophyll and sunlight. 
• Another experiment using a salt that absorbs CO₂ proves carbon dioxide is essential, and testing bubble formation in water plants confirms oxygen release. '

2. Respiration

Like animals, plants respire—breaking down glucose in the presence of oxygen to release energy:
C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O + energy

• Evidence comes from experiments with moong beans, where CO₂ production turns limewater milky. 

3. Gas Exchange via Stomata

• Stomata are tiny pores primarily on leaves that facilitate gas exchange—taking in CO₂ for photosynthesis and releasing O₂, and vice versa for respiration. 

4. Transport Systems: Xylem & Phloem

• Xylem vessels conduct water and dissolved minerals upward from roots to leaves.
• Phloem distributes glucose or manufactured food from leaves to other plant parts for growth or storage.

5. Cross-functional Tissues & Processes

• Non-green plant parts with chlorophyll (like green stems) can also photosynthesize. 
• Nutrients like minerals and water absorbed by roots are vital not only for growth but also for photosynthesis. 

3.0Key Features of NCERT Solutions Class 7 Science Chapter 10: Life Processes in Plants

• Conceptual clarity: Every process—photosynthesis, respiration, transport—is broken down into understandable steps, supported by everyday practical examples.
• Experiment-based explanations: From starch tests to oxygen bubble observations, students can visualize learning through hands-on activities.
• Diagrams & labeling: High-quality visuals of leaves, stomata, xylem/phloem, and set-ups like the inverted test-tube water plant enrich comprehension.
• Word equations & flowcharts: Summarizing complex processes in succinct formats helps in quick revision.
• Solved in-text and exercise questions: Every question, including extrapolative ones (e.g., potato starch origin or variegated leaf behavior), is answered with depth.
• FAQs and conceptual links: Helps bridge learnings from Class 6 chapters (e.g., nutrition basics) to Class 7 applications.