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Explain why we cannot make food ourselves by photosynthesis like the plant do?
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Explain why we cannot make food ourselves by photosynthesis like the p...
Why Humans Cannot Make Food Through Photosynthesis
- Lack of Chloroplasts: Chloroplasts are organelles found in plant cells that carry out photosynthesis. Human cells lack chloroplasts and cannot produce their own food through photosynthesis.
- Lack of Chlorophyll: Chlorophyll is a pigment found in chloroplasts that absorbs light energy and converts it into chemical energy during photosynthesis. Human cells do not have chlorophyll and cannot produce their own food through photosynthesis.
- Nutrient Needs: Humans require a variety of nutrients such as carbohydrates, proteins, fats, vitamins, and minerals to survive. Photosynthesis only produces simple sugars and oxygen, which are not sufficient to meet all of our nutrient needs.
- Energy Requirements: Photosynthesis requires sunlight as a source of energy to produce food. Humans do not have the ability to absorb energy directly from the sun and rely on consuming food for energy.
- Evolutionary Differences: Plants have evolved over millions of years to develop the ability to carry out photosynthesis. Humans have evolved to consume food as a source of energy and nutrients.
Conclusion
In conclusion, humans cannot make food through photosynthesis due to the lack of chloroplasts and chlorophyll, the need for a variety of nutrients, the inability to absorb energy directly from the sun, and evolutionary differences between plants and humans. While photosynthesis is an efficient way for plants to produce their own food, humans must rely on consuming food from other sources to meet their nutritional needs.
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Explain why we cannot make food ourselves by photosynthesis like the p...
Our body cells lack one cell organelle which is present in plants, that is, chloroplast. Chloroplast contains a pigment called chlorophyll which is necessary for the photosynthetic reactions to take place. Moreover, we inspire O2 and expire CO2 which is just opposite to that of plant. Then we cannot absorb water from soil neither we can absorb sunlight. So, these are various reasons why we cannot photosynthesize like plants but depend upon them for food.....!!
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Explain why we cannot make food ourselves by photosynthesis like the plant do?
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Explain why we cannot make food ourselves by photosynthesis like the plant do? for Class 7 2025 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Explain why we cannot make food ourselves by photosynthesis like the plant do? covers all topics & solutions for Class 7 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Explain why we cannot make food ourselves by photosynthesis like the plant do?.
Explain why we cannot make food ourselves by photosynthesis like the plant do? for Class 7 2025 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Explain why we cannot make food ourselves by photosynthesis like the plant do? covers all topics & solutions for Class 7 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Explain why we cannot make food ourselves by photosynthesis like the plant do?.
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