MCQs50 MCQ Life Processes Class 10 with Answers

50 MCQ Life Processes Class 10 with Answers

The CBSE Class 10 Science MCQs for Chapter 6, Life Processes, help students handle multiple-choice questions in the board exam. These MCQs cover various concepts from the chapter, such as transport and excretion in different organisms. Besides the MCQs, this chapter provides detailed information on how these life processes are interconnected and essential for organisms. It’s important for students to understand the concepts thoroughly; merely memorizing topics won’t help in solving the MCQs effectively. Therefore, students should study the chapter in depth before attempting the Life Processes MCQs.

Practicing these MCQs helps students become familiar with the types of questions that may appear in exams and understand the new question paper format. They can download the PDF of the CBSE Class 10 Science MCQs for Chapter 6 from the link below to use while studying. These MCQs will boost students’ confidence and help them score well in the board exam. Additionally, students can find MCQs for other chapters to aid their exam preparation.

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    CBSE Class 10 Science MCQ Chapter 1 Chemical Reactions and Equations

    CBSE Class 10 Science MCQs Chapter 6 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

    CBSE Class 10 Science MCQ Chapter 2 Acids Bases and Salt

    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

    Question: What is the main product of photosynthesis?

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

    CBSE Class 10 Science MCQ Chapter 3 Metals and Non-metals

    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

    CBSE Class 10 Science MCQ Chapter 4 Carbon and Its Compounds

    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


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

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

    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

    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

    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

    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

    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

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