NCERT MCQ Solutions for Class 10 Science Chapter 5 Life Processes

NCERT MCQ Solutions for Class 10 Science Chapter 5 Life Processes for Session 2025–26 provide accurate, well-explained answers. It helps students to learn about the concepts like nutrition, respiration, transportation and excretion. NCERT multiple-choice questions are designed as per the latest NCERT syllabus and exam pattern. Practicing these MCQs boosts learning and clarity in topics, improves speed and prepares students for school exams and competitive assessments. A must-have resource for effective revision during the 2025–26 academic session.
Class 10 Science Chapter 5 NCERT Solutions
Class 10 Multiple Choice Questions
Class 10 Science MCQ

Class 10 Science Chapter 5 MCQ Solutions

Q1. Which of the following is NOT considered a life process?

[A]. Respiration
[B]. Transpiration
[C]. Photosynthesis
[D]. Rusting

Q2. The primary function of stomata in plants is to

[A]. Exchange gases
[B]. Transport water
[C]. Perform photosynthesis
[D]. Absorb nutrients from soil

Q3. In human beings, the process of breaking down food into simpler substances is called

[A]. Excretion
[B]. Digestion
[C]. Photosynthesis
[D]. Respiration

Q4. The enzyme present in saliva which helps in the digestion of starch is

[A]. Trypsin
[B]. Pepsin
[C]. Lipase
[D]. Salivary amylase

Class 10 Science Chapter 5 Objective Questions

Q5. Which organ is responsible for filtering waste products from the blood in humans?

[A]. Lungs
[B]. Liver
[C]. Kidney
[D]. Heart

Q6. The energy currency of the cell is

[A]. RNA
[B]. ATP
[C]. Glucose
[D]. DNA

Q7. Which pigment is essential for photosynthesis?

[A]. Melanin
[B]. Carotene
[C]. Haemoglobin
[D]. Chlorophyll

Q8. In which part of the human digestive system does the absorption of most nutrients occur?

[A]. Small intestine
[B]. Large intestine
[C]. Stomach
[D]. Mouth

Class 10 Science Chapter 5 Life Processes MCQ

As students of Class 10, it is required to understand the scientific foundation of life itself. Class 10 Science Chapter 5 Life Processes, introduces the core biological systems that keep organisms alive — nutrition, respiration, transport and excretion. These processes are the basic functions performed by living beings to sustain life. From unicellular organisms like amoeba to complex beings like humans, all life forms carry out these functions, albeit in different ways. Class 10 Science Chapter 5 explains how plants produce food through photosynthesis and how animals consume and digest food to derive energy. Students will learn the significance of enzymes, the role of oxygen in respiration and how different organisms adapt to acquire nutrition. Importantly, Class 10 Science Chapter 5 MCQs help reinforce these concepts by testing the understanding of processes like autotrophic nutrition, human digestion and respiration pathways. MCQs are designed not just for exam practice but to ensure clarity of scientific principles and real-life applications.

Q9. The transportation of water and minerals in plants takes place through

[A]. Epidermis
[B]. Phloem
[C]. Cortex
[D]. Xylem

Q10. Anaerobic respiration in muscles produces

[A]. Lactic acid
[B]. Glucose
[C]. Alcohol
[D]. Oxygen

Q11. Which process helps in removing excess water from the aerial parts of plants?

[A]. Respiration
[B]. Diffusion
[C]. Transpiration
[D]. Photosynthesis

Q12. The blood vessels that carry blood away from the heart are called

[A]. Arteries
[B]. Veins
[C]. Lymph vessels
[D]. Capillaries
Class 10 Science Chapter 5 MCQ with Answers

Q13. Which organelle is called the powerhouse of the cell?

[A]. Chloroplast
[B]. Ribosome
[C]. Nucleus
[D]. Mitochondria

Q14. The mode of nutrition in fungi is

[A]. Photosynthetic
[B]. Heterotrophic
[C]. Autotrophic
[D]. Chemosynthetic

Q15. The functional unit of the kidney is called

[A]. Glomerulus
[B]. Villi
[C]. Alveolus
[D]. Nephron

Q16. In which form is glucose finally stored in plants?

[A]. Starch
[B]. Cellulose
[C]. Glycogen
[D]. Sucrose
Revision though Class 10 Science Chapter 5 MCQs

When we talk about life, we are also talking about intricate systems that work in harmony. In Class 10 Science Chapter 5, students explore how the human body digests food, converts it into energy, circulates nutrients and oxygen and eliminates waste. These systems are studied through diagrams, activities and well-defined explanations of organs like the heart, lungs, kidneys and intestines. Students understand how blood carries oxygen via haemoglobin, how nephrons filter waste and why double circulation in the heart is important. To deepen their grasp, Class 10 Chapter 5 MCQs play a key role. They test conceptual clarity, promote analytical thinking and prepare students for competitive exams like NEET and Olympiads. For example, an MCQ might ask about the role of villi in absorption or differentiate between aerobic and anaerobic respiration. Such questions ensure that students not only memorize facts but also understand the logic and science behind them. Thus, MCQs are not just tools for assessment—they are essential in learning biology effectively.

Q17. The main product of aerobic respiration is

[A]. Glucose
[B]. Ethanol
[C]. Lactic acid
[D]. Carbon dioxide and water

Q18. Blood pressure is measured with the instrument called

[A]. Stethoscope
[B]. Barometer
[C]. Sphygmomanometer
[D]. Thermometer

Q19. The primary function of phloem tissue in plants is to

[A]. Prevent transpiration
[B]. Transport food
[C]. Transport water
[D]. Provide support

Q20. The structure in human lungs where gas exchange takes place is called

[A]. Alveoli
[B]. Diaphragm
[C]. Bronchi
[D]. Trachea

What are the important areas to focus on while preparing for Class 10 Science Chapter 5 MCQ?

When preparing for Class 10 Science Chapter 5 MCQ, focus on the four major life processes: Nutrition, Respiration, Transportation and Excretion. In nutrition, know the difference between autotrophs and heterotrophs, especially the process of photosynthesis. In respiration, be clear about aerobic and anaerobic processes, ATP formation and examples of each type. Transportation includes understanding how blood flows in the human body, the role of the heart and the functions of xylem and phloem in plants. In excretion, remember the structure and function of nephrons and how plants remove waste. These topics are commonly framed into MCQs to test both knowledge and application, so clarity in definitions, diagrams and processes is vital.

How can solving Class 10 Science Chapter 5 MCQ boost my confidence?

Solving Class 10 Science Chapter 5 MCQ is one of the best ways to build confidence for the board exam. MCQs are quick to answer but demand deep understanding. By practicing them regularly, you become faster in recalling key points like definitions, examples and steps in biological processes. They also help you recognize tricky areas—like differences between aerobic and anaerobic respiration or identifying the function of stomata or nephrons. Most importantly, MCQs provide instant feedback, so you can quickly find out what you got right or wrong. This repeated practice helps eliminate silly mistakes, clears doubts and strengthens your command over the chapter—making you more exam-ready.

What is the best way to prepare for Class 10 Science Chapter 5 MCQ from the exam point of view?

To prepare for Class 10 Science Chapter 5 MCQ, start by reading the NCERT textbook thoroughly. Underline key terms like chlorophyll, ATP, alveoli, xylem, nephrons and understand their function. Make short notes of each life process with flowcharts and labelled diagrams. Then, practice MCQs topic-wise—starting with Nutrition and ending with Excretion. Try mock quizzes after each section to test your understanding. Use previous year papers and sample papers to identify the frequently asked types of MCQs. Revise every few days to keep the information fresh. The key is consistency—MCQs test small but important facts, so regular practice makes a big difference in scoring high.