CBSE Class 10 Science Chapter 5 Life Processes MCQs

In Class 10, one of the most fundamental chapters in the Science curriculum is Life Processes. This chapter lays the foundation for understanding the various biological functions essential for sustaining life. The study of life processes helps students comprehend the mechanisms that occur within living organisms to maintain their health, growth, and reproduction. As part of the CBSE curriculum, it is crucial for students to grasp the core concepts of life processes and practice regularly to ensure a thorough understanding. To help students prepare efficiently for exams, Life Processes Class 10 MCQs offer an excellent way to assess knowledge and reinforce learning.

Life processes refer to the series of activities that an organism performs to stay alive. These processes include nutrition, respiration, transportation, excretion, and control and coordination. Each process plays a significant role in the survival of organisms and maintains their internal environment. The concept of Life Process MCQ questions focuses on testing students’ knowledge and understanding of these critical biological functions.

The chapter covers topics such as the types of nutrition in plants and animals, the mechanism of respiration in both plants and animals, the transportation of materials within organisms, and the process of excretion. Additionally, the chapter introduces students to control and coordination in both plants and animals, which includes the functioning of hormones and the nervous system. These subjects form the backbone of understanding how organisms carry out vital life-sustaining activities.

To make the learning process easier and more engaging, practicing with 50 MCQ Life Processes Class 10 with Answers is a great way to reinforce concepts. These MCQs on Life Processes Class 10 come with comprehensive explanations that help clarify doubts and solidify knowledge. 

By regularly solving Class 10 Life Process MCQs, students can not only improve their conceptual clarity but also become well-prepared for their board exams. Life Processes MCQs provide a way to evaluate and revise all the important topics systematically, boosting confidence and ensuring success. Whether it’s through solving practice papers or referring to notes, understanding life processes is crucial for building a solid foundation in biology.

CBSE Class 10 Science MCQs Chapter 5 Life Processes with Answers

Question: Which of the following is not a life process?

a) Respiration
b) Reproduction
c) Transpiration
d) Photosynthesis

Answer: c) Transpiration

Question: What is the main purpose of respiration?

a) To produce food
b) To release energy
c) To release oxygen
d) To absorb carbon dioxide

Answer: b) To release energy

Question: Which part of the plant is mainly involved in photosynthesis?

a) Root
b) Stem
c) Leaf
d) Flower

Answer: c) Leaf

Question: Which pigment is responsible for photosynthesis in plants?

a) Hemoglobin
b) Chlorophyll
c) Carotene
d) Xanthophyll

Answer: b) Chlorophyll

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Question: What is the main product of photosynthesis?

a) Carbon dioxide
b) Oxygen
c) Water
d) Glucose

Answer: d) Glucose

Question: What is the site of cellular respiration in cells?

a) Nucleus
b) Mitochondria
c) Ribosomes
d) Golgi bodies

Answer: b) Mitochondria

Question: Which of the following processes involves the breakdown of glucose to release energy?

a) Photosynthesis
b) Digestion
c) Respiration
d) Excretion

Answer: c) Respiration

Question: Which process in plants involves the loss of water vapor through stomata?

a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption

Answer: a) Transpiration

Question: Which organ system in humans is responsible for transporting oxygen and nutrients to the cells?

a) Digestive system
b) Respiratory system
c) Circulatory system
d) Nervous system

Answer: c) Circulatory system

Question: Which component of blood carries oxygen to different parts of the body?

a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma

Answer: a) Red blood cells

Question: What is the functional unit of the kidney?

a) Nephron
b) Neuron
c) Alveoli
d) Villus

Answer: a) Nephron

Question: Which gas is taken in during respiration?

a) Carbon dioxide
b) Oxygen
c) Nitrogen
d) Hydrogen

Answer: b) Oxygen

Question: Which of the following is a waste product of respiration?

a) Oxygen
b) Glucose
c) Carbon dioxide
d) Starch

Answer: c) Carbon dioxide

Do Check: CBSE Class 10 Science MCQs

Question: Which process converts food into energy in cells?

a) Digestion
b) Respiration
c) Excretion
d) Photosynthesis

Answer: b) Respiration

Question: What is the main function of the digestive system?

a) To produce oxygen
b) To transport nutrients
c) To break down food
d) To pump blood

Answer: c) To break down food

Question: Which organ is primarily responsible for water absorption in the human body?

a) Stomach
b) Small intestine
c) Large intestine
d) Liver

Answer: c) Large intestine

Question: Which type of blood vessel carries blood away from the heart?

a) Vein
b) Artery
c) Capillary
d) Nerve

Answer: b) Artery

Question: Which life process involves the removal of waste products from the body?

a) Nutrition
b) Respiration
c) Excretion
d) Reproduction

Answer: c) Excretion

Question: In which part of the plant does most photosynthesis occur?

a) Roots
b) Leaves
c) Stem
d) Flowers

Answer: b) Leaves

Question: What substance do plants take in for photosynthesis?

a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Methane

Answer: b) Carbon dioxide

Question: What is the end product of protein digestion?

a) Glucose
b) Fatty acids
c) Amino acids
d) Glycerol

Answer: c) Amino acids

Question: Which organ in the human body produces bile?

a) Stomach
b) Liver
c) Pancreas
d) Gallbladder

Answer: b) Liver

Do Check: CBSE Class 10 Science Syllabus

Question: Which part of the human digestive system is primarily involved in nutrient absorption?

a) Mouth
b) Stomach
c) Small intestine
d) Large intestine

Answer: c) Small intestine

Question: Which type of blood vessel has valves to prevent backflow of blood?

a) Arteries
b) Veins
c) Capillaries
d) Arterioles

Answer: b) Veins

Question: Which component of the blood helps in clotting?

a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma

Answer: c) Platelets

Question: What is the main function of white blood cells?

a) Carrying oxygen
b) Fighting infections
c) Clotting blood
d) Carrying nutrients

Answer: b) Fighting infections

Question: Which gas is released during photosynthesis?

a) Carbon dioxide
b) Oxygen
c) Nitrogen
d) Methane

Answer: b) Oxygen

Question: What is the main function of the alveoli in the lungs?

a) To filter blood
b) To exchange gases
c) To digest food
d) To produce hormones

Answer: b) To exchange gases

Question: Which nutrient is the main source of energy for the body?

a) Proteins
b) Carbohydrates
c) Fats
d) Vitamins

Answer: b) Carbohydrates

Question: Which organ stores and concentrates bile?

a) Stomach
b) Liver
c) Gallbladder
d) Pancreas

Answer: c) Gallbladder

Question: Which life process involves the intake and utilization of food?

a) Respiration
b) Nutrition
c) Excretion
d) Reproduction

Answer: b) Nutrition

Do Check: CBSE Class 10 Science Notes

Question: Which process involves the transfer of pollen from one flower to another?

a) Fertilization
b) Germination
c) Pollination
d) Photosynthesis

Answer: c) Pollination

Question: Which structure in the heart prevents the backflow of blood?

a) Valves
b) Arteries
c) Veins
d) Capillaries

Answer: a) Valves

Question: Which of the following is a primary function of the liver?

a) Producing digestive enzymes
b) Filtering blood
c) Pumping blood
d) Absorbing nutrients

Answer: b) Filtering blood

Question: Which part of the plant anchors it to the soil?

a) Leaves
b) Stem
c) Roots
d) Flowers

Answer: c) Roots

Question: Which life process includes the exchange of gases?

a) Nutrition
b) Respiration
c) Excretion
d) Reproduction

Answer: b) Respiration

Question: What is the main purpose of digestion?

a) To produce oxygen
b) To break down food
c) To filter blood
d) To store energy

Answer: b) To break down food

Question: Which system in the body is responsible for transporting nutrients and oxygen?

a) Respiratory system
b) Digestive system
c) Circulatory system
d) Excretory system

Answer: c) Circulatory system

Question: Which process helps plants to make their own food?

a) Transpiration
b) Photosynthesis
c) Respiration
d) Germination

Answer: b) Photosynthesis

Do Check: CBSE Class 10 Science Sample Papers

Question: Which organ in the human body produces insulin?

a) Liver
b) Pancreas
c) Stomach
d) Gallbladder

Answer: b) Pancreas

Question: Which life process includes the removal of carbon dioxide?

a) Nutrition
b) Respiration
c) Excretion
d) Reproduction

Answer: c) Excretion

Question: What is the main function of the small intestine?

a) Absorbing nutrients
b) Producing bile
c) Storing food
d) Filtering blood

Answer: a) Absorbing nutrients

Question: Which process involves the intake of oxygen and the release of carbon dioxide?

a) Photosynthesis
b) Respiration
c) Digestion
d) Excretion

Answer: b) Respiration

Question: Which of the following structures is involved in the transport of water in plants?

a) Phloem
b) Xylem
c) Stomata
d) Chloroplasts

Answer: b) Xylem

Question: Which part of the plant cell is responsible for photosynthesis?

a) Nucleus
b) Chloroplast
c) Mitochondria
d) Vacuole

Answer: b) Chloroplast

Question: What do plants release during photosynthesis?

a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Methane

Answer: b) Oxygen

Question: Which life process involves the synthesis of proteins?

a) Nutrition
b) Respiration
c) Excretion
d) Growth

Answer: d) Growth

Question: Which structure in the lungs is involved in gas exchange?

a) Bronchi
b) Alveoli
c) Trachea
d) Diaphragm

Answer: b) Alveoli

Question: Which component of the blood fights infections?

a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma

Answer: b) White blood cells

Do Check: NCERT Solutions for Class 10 Science

Question: Which process in humans helps to maintain a stable internal environment?

a) Homeostasis
b) Metabolism
c) Digestion
d) Circulation

Answer: a) Homeostasis

Question: What is the main role of enzymes in the digestive system?

a) To store energy
b) To speed up chemical reactions
c) To absorb nutrients
d) To produce bile

Answer: b) To speed up chemical reactions

Question: Which organ system removes liquid waste from the body?

a) Respiratory system
b) Digestive system
c) Excretory system
d) Circulatory system

Answer: c) Excretory system

Question: What do red blood cells transport in the body?

a) Nutrients
b) Oxygen
c) Hormones
d) Waste products

Answer: b) Oxygen

Question: Which life process involves the formation of new individuals?

a) Nutrition
b) Respiration
c) Excretion
d) Reproduction

Answer: d) Reproduction

Question: Which process allows plants to absorb water from the soil?

a) Photosynthesis
b) Transpiration
c) Absorption
d) Pollination

Answer: c) Absorption

Benefits of Solving CBSE Class 10 Science Chapter 5 Life Processes MCQs

• Reinforces Key Concepts: Helps strengthen understanding of important topics like nutrition, respiration, and excretion.
• Quick Self-Assessment: Allows students to assess their understanding and identify areas that need improvement.
• Improves Time Management: Helps students practice solving questions quickly, preparing them for the actual exam.
• Boosts Confidence: Regular practice enhances self-confidence by familiarizing students with exam-type questions.
• Comprehensive Coverage: Ensures revision of all important topics from the chapter, leaving no concept overlooked.
• Enhances Retention: Repeated practice of MCQs aids in better retention and recall of key information.
• Develops Analytical Skills: Promotes critical thinking and helps students choose the correct answer by analyzing each option.
• Effective Revision Tool: Acts as a valuable resource for last-minute revision before exams.