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.
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
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
