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What are Life Processes Video Lecture | Science Class 10

FAQs on What are Life Processes Video Lecture - Science Class 10

1. What are the main life processes essential for living organisms?

Ans. The main life processes essential for living organisms include nutrition, respiration, transportation, excretion, growth, reproduction, and response to stimuli. These processes are vital for maintaining life and ensuring the survival of organisms.

2. How does nutrition occur in living organisms?

Ans. Nutrition in living organisms occurs through the intake of food, which is then broken down into simpler substances. This process can be classified into autotrophic nutrition, where organisms produce their own food (like plants through photosynthesis), and heterotrophic nutrition, where organisms obtain food by consuming other organisms.

3. What is the role of respiration in life processes?

Ans. Respiration is the process by which living organisms convert food into energy. This process involves the intake of oxygen and the release of carbon dioxide. It occurs in two main forms: aerobic respiration, which requires oxygen, and anaerobic respiration, which occurs in the absence of oxygen.

4. Why is excretion important for living organisms?

Ans. Excretion is the process of removing waste products generated from metabolic activities. It is important because the accumulation of waste can be toxic to living organisms. Effective excretion helps maintain homeostasis and the overall health of the organism.

5. How do reproduction and growth contribute to the life processes of organisms?

Ans. Reproduction is the biological process by which new individuals are produced, ensuring the continuation of a species. Growth involves the increase in size and mass of an organism. Both processes are crucial for the survival and evolution of species, allowing them to adapt to changing environments and conditions.

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Oct 15, 2025 Last updated

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