10. Respiration in Organisms Class 7 Science [LATEST] Solutions Additional Questions With Solutions in English - CBSE Study
NCERT Solutions for Class 7 Science are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 10. Respiration in Organisms with detailed explanations and step-by-step answers for better exam preparation. Each Additional Questions With Solutions is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 7 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Science.
Class 7 English Medium Science All Chapters:
10. Respiration in Organisms
3. Additional Questions With Solutions
Additional Questions With Solutions
Ques: What is cellular respiration?
Ans: The process of breakdown of food in the cell with the release of energy is called cellular respiration.
Ques: Where does cellular respiration take place?
Ans: It take place in the cells of organisms.
Ques: Write the name of respiratory organs of earthworm.
Ans: Skin.`
Ques: Write the differences between aerobic respiration and anaerobic respiration.
Ans:
Ques: What is aerobic respiration ?
Ans: Breakdown of glucose occurs with the use of oxygen.
It is called aerobic respiration.
Ques: What is anaerobic respiration?
Ans: food can also be broken down, without using oxygen. This is called anaerobic respiration.
Ques: What are anaerobes?
Ans: Some organisms such as yeast that can survive in the
Absence of air. they are called anaerobes.
Ques: Why do you get muscle cramps after heavy exercise?
Ans: There begins to lack of oxygen during heavy exercise and muscle cells respire anaerobically by which glucose produces lactic acid. The accumulation of lactic acid causes muscle cramps.
Ques: Why do we get relief from cramps after a hot water bath or a massage.
Ans: The blood circulation increases after a hot water bath or a massage. As a result, the supply of oxygen to the muscle cells increases by which there takes place the complete breakdown of lactic acid into carbon dioxide and water.
Ques: What are spiracles?
Ans: Other insects also have similar opening. These opening are called spiracles.
Ques: What are tracheae?
Ans: Insects have a network of air tubes called tracheae.
Ques: What is inhalation?
Ans: The taking in air rich in oxygen into the body is called
Inhalation.
Ques: What is exhalation?
Ans: Giving out of air rich in carbon dioxide is known as exhalation.
Ques: What is breathing rate?
Ans: The time of time a person breathes in a minute is termed As the breathing rate.
Ques: What is breathing rate in an adult?
Ans: 15-18 times.
Ques: Why do we yawn?
Ans: When reduce our respiratory rate we do not get enough oxygen hence yawns comes again and again for completing the oxygen demand and we take deep breaths.
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