50 MCQ Life Processes Class 10 with Answers

The CBSE Class 10 Science MCQs for Chapter 6, Life Processes, are designed to help students effectively tackle multiple-choice questions in the board exams. These MCQs cover a wide range of concepts from the chapter, such as nutrition, transport, and excretion in various organisms. The chapter provides a deep dive into how these essential life processes are interconnected and vital for the survival of living beings.

It is crucial for students to understand the underlying concepts thoroughly, as memorizing topics alone will not be sufficient for solving the life processes MCQ questions effectively. Students must focus on grasping the concepts in depth before attempting the MCQs. This will ensure that they can apply their knowledge to different types of questions in the exam.

Practicing MCQs on life processes class 10 will help students become familiar with the question pattern and format of the board exam. It also offers a good understanding of what kinds of questions to expect. Students can download the life processes class 10 MCQ with answers PDF from the provided link to use during their study sessions. These MCQs will not only boost students’ confidence but will also improve their chances of performing well in the board exam.

In addition to practicing life processes MCQ questions, students can explore MCQs for other chapters, providing comprehensive support for their exam preparation. Regular practice with these questions will help students master the subject and enhance their problem-solving skills.

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

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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

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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

Must See – CBSE Class 10 Science Syllabus

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

Life Processes Class 10 MCQ Nutrition FAQs