Life Processes Class 10 MCQ Questions With Answers

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| By Catherine Halcomb
Catherine Halcomb
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Life Processes Class 10 MCQ Questions With Answers - Quiz

If you're studying in class 10th or have just passed the exam, take this 'Life Processes Class 10 MCQ Questions With Answers' quiz and check your knowledge on the same. Life Processes are the basic biological processes that are essential for an organism to live. The vital processes of life include nutrition, metabolism, transportation, respiration, excretion, and reproduction. Can you differentiate between these processes? Play the below quiz created for you and see for yourself. All the best, dear!


Questions and Answers
  • 1. 

    It helps remove substances you don't need from your body.

    • A.

      Circulatory system

    • B.

      Excretory system

    • C.

      Respiratory system

    • D.

      Transportation system

    Correct Answer
    B. Excretory system
    Explanation
    The excretory system is responsible for removing substances that the body does not need. This system includes organs such as the kidneys, liver, and bladder, which filter waste products from the blood and eliminate them in the form of urine. The excretory system also helps regulate the body's fluid balance, electrolyte levels, and pH. Overall, this system plays a crucial role in maintaining homeostasis by removing harmful substances and maintaining a healthy internal environment.

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  • 2. 

    It distributes oxygen obtained through the respiratory system and nutrients obtained by the digestive system to different parts of the body. 

    • A.

      Ciculatory system

    • B.

      Respiratory system

    • C.

      Digestive system

    • D.

      Excretion system

    Correct Answer
    A. Ciculatory system
    Explanation
    The circulatory system is responsible for distributing oxygen obtained through the respiratory system and nutrients obtained by the digestive system to different parts of the body. It consists of the heart, blood vessels, and blood. The heart pumps oxygenated blood from the lungs to the rest of the body, delivering oxygen and nutrients to the cells. The deoxygenated blood returns to the heart, where it is pumped to the lungs for oxygenation again. This continuous circulation ensures that all cells receive the necessary oxygen and nutrients for their proper functioning.

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  • 3. 

    It helps us obtain nutrients

    • A.

      Excretory system

    • B.

      Respiratory system

    • C.

      Digestive system

    • D.

      Metabolism

    Correct Answer
    C. Digestive system
    Explanation
    The digestive system is responsible for breaking down food into nutrients that can be absorbed by the body. It includes organs such as the mouth, esophagus, stomach, small intestine, and large intestine. These organs work together to digest food and extract the necessary nutrients, such as carbohydrates, proteins, fats, vitamins, and minerals. Without the digestive system, our body would not be able to obtain the essential nutrients it needs for growth, repair, and overall functioning.

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  • 4. 

    It obtains and distributes oxygen for our body.

    • A.

      Respiratory system

    • B.

      Circulatory system

    • C.

      Excretory system

    • D.

      Digestive system

    Correct Answer
    A. Respiratory system
    Explanation
    The respiratory system is responsible for obtaining and distributing oxygen throughout our body. It is composed of organs such as the nose, trachea, and lungs, which work together to inhale oxygen and exhale carbon dioxide. Oxygen is essential for the functioning of our cells, and the respiratory system ensures that it is transported to all parts of the body through the circulatory system. Therefore, the respiratory system is the correct answer in this case.

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  • 5. 

    It is removed from your body through your skin.

    • A.

      Kidneys

    • B.

      Sweat

    • C.

      Urine

    • D.

      Fecus

    Correct Answer
    B. Sweat
    Explanation
    Sweat is the correct answer because it is a bodily fluid that is produced by sweat glands in the skin. Sweat helps regulate body temperature by evaporating from the skin's surface, cooling the body down. It also helps eliminate waste products, such as urea and ammonia, from the body. Therefore, sweat is a way in which certain substances are removed from the body through the skin.

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  • 6. 

    It is a type of liquid waste that your body needs to get rid of.

    • A.

      Urethra

    • B.

      Urine

    • C.

      Baldder

    • D.

      Fecus

    Correct Answer
    B. Urine
    Explanation
    Urine is a type of liquid waste that your body needs to get rid of. It is produced by the kidneys as they filter waste products and excess water from the bloodstream. Urine then travels through the ureters to the bladder, where it is stored until it is eliminated through the urethra.

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  • 7. 

    It's part of the respiratory system.

    • A.

      Bladder

    • B.

      Trachea

    • C.

      Arteries

    • D.

      Urethra

    Correct Answer
    B. Trachea
    Explanation
    The trachea is the correct answer because it is indeed part of the respiratory system. The trachea, also known as the windpipe, is a tube that connects the larynx to the bronchi in the lungs. It allows air to pass through, facilitating the process of breathing. The trachea is lined with cilia and mucus, which help to filter and moisten the air as it enters the lungs.

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  • 8. 

    It is part of the excretory system.

    • A.

      Bladder

    • B.

      Nostrils

    • C.

      Veins

    • D.

      Trachea

    Correct Answer
    A. Bladder
    Explanation
    The bladder is part of the excretory system because it is responsible for storing and eliminating urine from the body. It receives urine from the kidneys through the ureters and temporarily holds it until it is expelled through the urethra. The bladder plays a crucial role in maintaining the body's fluid balance and removing waste products from the bloodstream.

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  • 9. 

     We inhale oxygen through our...

    • A.

      Heart

    • B.

      Veins

    • C.

      Mouth or nostrils

    • D.

      Stomach

    Correct Answer
    C. Mouth or nostrils
    Explanation
    We inhale oxygen through our mouth or nostrils because these are the openings through which air enters our respiratory system. The air we breathe in contains oxygen, which is then transported to our lungs for exchange with carbon dioxide. The heart pumps oxygenated blood to various parts of the body through the veins, but it is not directly involved in the process of inhaling oxygen. The stomach is responsible for digestion and has no role in the respiratory system.

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  • 10. 

    It is the center of the circulatory system.

    • A.

      Veins

    • B.

      Heart

    • C.

      Capillaries

    • D.

      Platelets

    Correct Answer
    B. Heart
    Explanation
    The heart is the correct answer because it is indeed the center of the circulatory system. It is responsible for pumping blood throughout the body, delivering oxygen and nutrients to the cells and removing waste products. The heart consists of four chambers and is composed of cardiac muscle tissue that contracts rhythmically to maintain blood flow. Without the heart, the circulatory system would not be able to function properly, making it a vital organ for the overall health and survival of an individual.

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  • 11. 

    It's the process in which sweating is removed from your body through the skin. 

    • A.

      Urination

    • B.

      Heat of vaporization

    • C.

      Excretion

    • D.

      Digestion

    Correct Answer
    B. Heat of vaporization
    Explanation
    The process of cooling your body through sweating is based on a physics principle known as the "heat of vaporization." The conversion of sweat into vapor on your skin requires energy, and this energy is sourced from heat. As the excess body heat is utilized to turn sweat into vapor, you begin to experience a cooling effect.

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  • 12. 

    Veins and arteries are part of your...

    • A.

      Excretory system

    • B.

      Respiratory system

    • C.

      Circulatory system

    • D.

      Digestive system

    Correct Answer
    C. Circulatory system
    Explanation
    Veins and arteries are part of the circulatory system. The circulatory system is responsible for transporting blood, oxygen, nutrients, and hormones throughout the body. Veins carry deoxygenated blood back to the heart, while arteries carry oxygenated blood away from the heart to the rest of the body. This system plays a crucial role in maintaining the overall health and functioning of the body by ensuring the proper distribution of essential substances to various organs and tissues.

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  • 13. 

    Your kidneys filter out waste and impurities and send them to your...

    • A.

      Veins

    • B.

      Urethra

    • C.

      Bladder

    • D.

      Small intestine

    • E.

      Small intestine

    Correct Answer
    C. Bladder
    Explanation
    The kidneys filter waste and impurities from the blood. These waste products are then collected in the bladder, which is a storage organ for urine. From the bladder, urine is expelled through the urethra during urination. The veins are responsible for carrying oxygenated blood back to the heart, while the small intestine is involved in the digestion and absorption of nutrients. Therefore, the correct answer is bladder.

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  • Current Version
  • Jan 29, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 23, 2022
    Quiz Created by
    Catherine Halcomb
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