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Life Processes in Living Organisms – I

Essential questions covering nutrition, respiration, transportation, and excretion. Perfect for board exam preparation and concept mastery.

Nutrition
Respiration
Transportation
Excretion
Photosynthesis
VSQ

Very Short Answer Questions (1–2 Marks)

1 What are life processes? 1 Mark
2 Name any two life processes in living organisms. 1 Mark
3 Define nutrition. 1 Mark
4 What is autotrophic nutrition? 1 Mark
5 What is heterotrophic nutrition? 1 Mark
6 Name the process by which plants prepare food. 1 Mark
7 Write the function of saliva. 1 Mark
8 What is respiration? 1 Mark
9 Name the site of gas exchange in lungs. 1 Mark
10 What is excretion? 1 Mark
SAQ

Short Answer Questions (3–4 Marks)

1 Explain the importance of life processes. 3 Marks
2 Describe autotrophic nutrition in plants. 3 Marks
3 Explain heterotrophic nutrition with examples. 3 Marks
4 Explain digestion of food in the human stomach. 3 Marks
5 Describe digestion and absorption of food in the small intestine. 4 Marks
6 Differentiate between aerobic and anaerobic respiration. 4 Marks
7 Explain the structure and function of alveoli. 4 Marks
8 Describe transportation of water and minerals in plants. 4 Marks
9 Explain the role of heart in transportation in humans. 4 Marks
10 Describe the human excretory system. 4 Marks
LAQ

Long Answer Questions (5 Marks)

1 Describe the process of nutrition in human beings with a neat flow of steps. 5 Marks
2 Explain the process of photosynthesis and its importance. 5 Marks
3 Explain human respiration and the mechanism of breathing. 5 Marks
4 Describe transportation of substances in plants and humans. 5 Marks
5 Explain the process of excretion in human beings. 5 Marks
R/A

Reasoning / Application-Based Questions

1 Why are life processes essential for living organisms?
2 Why is small intestine called the main site of digestion and absorption?
3 Why is oxygen necessary for aerobic respiration?
4 Why are alveoli well supplied with blood capillaries?
5 Why is excretion important for survival?

Nutrition Basics

Covers autotrophic and heterotrophic nutrition, digestion process, and importance of nutrients for energy and growth.

Respiration

Explains aerobic vs anaerobic respiration, gas exchange in alveoli, and cellular energy production mechanisms.

Transportation

Includes circulatory systems in plants and humans, blood components, heart function, and vascular tissues.

Master Life Processes for Biology Exams

This comprehensive collection of important questions for "Life Processes in Living Organisms" covers all key concepts from Class 10 Biology curriculum. These questions are carefully categorized by mark distribution and question type to help students prepare effectively for CBSE, ICSE, and state board examinations.

Understanding life processes is fundamental to biology. This chapter explains the essential functions that maintain life including nutrition, respiration, transportation, and excretion. Students will learn about photosynthesis in plants, human digestive system, respiratory mechanisms, circulatory systems, and excretory processes.

Key topics include autotrophic vs heterotrophic nutrition, digestive enzymes, gas exchange in alveoli, blood circulation, kidney function, and plant transport mechanisms. Practicing these questions helps students understand how different organ systems work together to maintain homeostasis in living organisms.

Class 10 Life Processes Questions Nutrition and Digestion Human Respiratory System Photosynthesis Process Circulatory System Excretory System Biology Exam Preparation Science Important Questions CBSE Biology Chapter 6 Life Processes Study Material