📘 Class 10 Science Chapter: Life Processes – Notes, Questions & Answers PDF
Life Processes is a fundamental chapter in the CBSE Class 10 Science syllabus. It deals with essential processes like nutrition, respiration, transportation, and excretion. These concepts help students understand how living organisms function and survive.
In this blog post, you'll find:
- Quick summary of all key life processes
- Important questions & answers from NCERT
- Free PDF download for easy revision
🧬 What Are Life Processes?
Life processes are the basic functions performed by living organisms to maintain their life. The main types of life processes include:
- Nutrition – How organisms obtain and process food
- Respiration – Conversion of food into energy
- Transportation – Movement of substances in the body
- Excretion – Removal of waste products
📥 Download Life Processes – Questions & Answers PDF
Download a well-prepared PDF containing important 1 Mark, 2 Mark, and 3 Mark questions with answers. Useful for board exam preparation and last-minute revision.
📄 Download Life Processes PDFNote: The PDF includes NCERT-based questions, diagrams, definitions, and board exam questions for Class 10 Science 2025.
📝 Sample Questions from Life Processes
- Q1: What is autotrophic nutrition?
Ans: It is the mode of nutrition in which organisms prepare their own food from simple substances like CO₂ and H₂O using sunlight. Example: Plants. - Q2: Write the balanced chemical equation for photosynthesis.
Ans: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂ (in presence of sunlight and chlorophyll) - Q3: Name the blood vessel that brings oxygenated blood to the heart.
Ans: Pulmonary vein - Q4: What is the function of nephron?
Ans: Nephron filters blood and forms urine. It is the basic functional unit of the kidney.
📚 Key Notes to Remember
- Photosynthesis takes place in the chloroplast of plant cells.
- Humans perform aerobic respiration.
- Xylem and phloem transport water and nutrients in plants.
- Nephrons in the kidneys help in excretion of waste products.
📌 Frequently Asked Questions (FAQs)
Is Life Processes important for the CBSE board exam?
Yes, it is one of the high-weightage chapters in Class 10 Science and is frequently asked in exams.
Where can I download Class 10 Life Processes Q&A PDF?
You can download it from the link provided above in this post.
What are the key topics in Life Processes?
Nutrition (in plants and animals), respiration (aerobic/anaerobic), transportation (blood, heart), and excretion (kidney, nephron).
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