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Class 10 Science Life Process Video Lecture

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FAQs on Class 10 Science Life Process Video Lecture

1. What are the life processes in class 10 Science?
Ans. In class 10 Science, the life processes include nutrition, respiration, transportation, excretion, and reproduction. These processes are essential for the survival and growth of living organisms.
2. What is the importance of nutrition in life processes?
Ans. Nutrition is crucial for living organisms as it provides the necessary energy and nutrients required for growth, repair, and maintenance of the body. It helps in the synthesis of new molecules, supports metabolic activities, and enables the functioning of various organs and systems.
3. How does respiration contribute to life processes?
Ans. Respiration is the process by which organisms obtain energy from food molecules. It involves the breakdown of complex substances into simpler ones, releasing energy in the form of ATP (adenosine triphosphate). This energy is utilized by cells for carrying out various life processes, such as movement, growth, and reproduction.
4. What is the role of transportation in life processes?
Ans. Transportation is essential for the distribution of substances throughout the body of an organism. In plants, it involves the movement of water, minerals, and organic compounds through the xylem and phloem. In animals, transportation occurs through the circulatory system, facilitating the transport of oxygen, nutrients, hormones, and waste products to their respective destinations.
5. How does excretion contribute to life processes?
Ans. Excretion is the process of eliminating waste products and harmful substances from the body. It helps in maintaining a stable internal environment by removing metabolic wastes, such as carbon dioxide, urea, and excess water. Failure to excrete these waste products can lead to the accumulation of toxins, disrupting normal bodily functions.
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