MCQ questions for class 7 Science Chapter 10 Respiration in Organisms
Question 1: What is the process by which cells obtain energy from nutrients?
Digestion
Photosynthesis
Respiration
Circulation
Question 2: Which of the following is the correct equation for aerobic respiration?
Glucose + Oxygen -> Carbon dioxide + Water + Energy
Glucose + Carbon dioxide -> Oxygen + Water + Energy
Oxygen + Water -> Glucose + Carbon dioxide + Energy
Carbon dioxide + Water + Energy -> Glucose + Oxygen
Question 3: What is the term for the breakdown of glucose in the absence of oxygen?
Aerobic respiration
Anaerobic respiration
Photosynthesis
Combustion
Question 4: Which of the following is a product of anaerobic respiration in yeast?
Carbon dioxide
Oxygen
Water
Glucose
Question 5: What is the term for the tiny openings in the skin through which we breathe?
Alveoli
Bronchi
Nephrons
Pores
Question 6: Which of the following is the correct equation for anaerobic respiration in muscles?
Glucose + Oxygen -> Carbon dioxide + Water + Energy
Glucose -> Lactic acid + Energy
Oxygen + Water -> Glucose + Carbon dioxide + Energy
Carbon dioxide + Water + Energy -> Glucose + Oxygen
Question 7: What is the term for the process of taking in oxygen and giving out carbon dioxide?
Respiration
Photosynthesis
Circulation
Digestion
Question 8: Which of the following is the correct order of respiratory organs in humans?
Trachea -> Lungs -> Bronchi -> Alveoli
Lungs -> Trachea -> Alveoli -> Bronchi
Bronchi -> Trachea -> Lungs -> Alveoli
Alveoli -> Lungs -> Trachea -> Bronchi
Question 9: What is the term for the windpipe in humans?
Bronchi
Larynx
Trachea
Pharynx
Question 10: Which of the following is the correct order of respiratory organs in insects?
Tracheae -> Lungs -> Spiracles
Lungs -> Tracheae -> Spiracles
Spiracles -> Tracheae -> Lungs
Lungs -> Spiracles -> Tracheae
Question 11: What is the term for the small sacs in the lungs where exchange of gases takes place?
Alveoli
Bronchi
Larynx
Trachea
Question 12: Which of the following animals breathe through gills?
Humans
Fish
Birds
Insects
Question 13: What is the term for the muscular organ that helps in the process of breathing in humans?
Heart
Lungs
Diaphragm
Liver
Question 14: What is the term for the process of breakdown of glucose to release energy?
Photosynthesis
Respiration
Digestion
Circulation
Question 15: Which of the following is the primary waste product produced during respiration?
Carbon dioxide
Oxygen
Water
Glucose
Question 16: What is the term for the tube-like structures that carry air to the lungs?
Trachea
Bronchi
Larynx
Pharynx
Question 17: Which of the following is a type of respiration in plants?
Aerobic respiration
Anaerobic respiration
Transpiration
Combustion
Question 18: What is the term for the openings on the surface of leaves through which gases enter and exit?
Pores
Stomata
Vessels
Root hairs
Question 19: Which of the following is the correct equation for photosynthesis?
Glucose + Oxygen -> Carbon dioxide + Water + Energy
Glucose + Carbon dioxide -> Oxygen + Water + Energy
Oxygen + Water -> Glucose + Carbon dioxide + Energy
Carbon dioxide + Water + Energy -> Glucose + Oxygen
Question 20: What is the term for the network of tiny tubes that carry air to all parts of the plant?
Xylem
Phloem
Tracheids
Stomata
Welcome to our platform, your one-stop for MCQ questions for Class 7 Science. This page is designed to assist you in reinforcing key scientific concepts and getting ready for your exams with our mcq questions for class 7 science with answers.
Whether you're revisiting old topics or exploring new ones, our Science MCQs for Class 7 cover all areas of your syllabus. Practice these multiple-choice questions to test your knowledge and understanding of the subject, boosting your confidence in the process.
Remember, you can always find us Class 7 Science multiple choice questions, Online MCQ practice for Class 7 Science, or mcq questions for class 7 science pdf. Start your journey towards becoming a Class 7 Science today