NCERT Solutions for Class 7 Science Chapter 1 – Nutrition in Plant
Science is a very factual and knowledge giving subject. Also, the subject is a combination of 3 subjects that relates to each other. Besides, the subject taught us about various processes that happen inside the body of animals, plants and human beings. The NCERT Solutions for Class 7 Science Chapter 1 is a complete guide of how plants take nutrition from the environment and other things.
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CBSE Class 7 Science Chapter 1 – Nutrition in Plant NCERT Solutions
For understanding nutrition in plants first, we have to understand. Nutrition refers to all those things that plants and animals consume to obtain energy out of it. Also, it helps in the growth, development, and repair of the body. Above all, nutrition is the process of taking and utilizing intake food for making an energy to do work.
Sub-topics covered under NCERT Solutions for Class 7 Science Chapter 1
1.1 Modes of Nutrition in Plants
This topic discusses the various use of nutrition by plants and different modes by which they obtain their food. Generally, there are two modes which are as follows:
Autotrophic – Those who prepare their own food.
Heterotrophic – Those who depend on others for their food.
1.2 Photosynthesis- Food Making Process in Plants
This topic systematically discusses the complete process by which plants make their food using sunlight. Also, Photosynthesis is a combination of two words namely photo means light and synthesis means to combine. Besides, the process of photosynthesis includes various other things like water, carbon dioxide, energy from the sun, etc. Above all, the sun is the main source of energy for every life on the earth.
1.3 Other Modes of Nutrition in Plants
All plants are not green also there are plants that are found in darker places where sunlight doesn’t reach. For these plants, the heterotrophic mode of nutrition is more effective. This topic discusses the various other ways by which plants obtain nutrition. Also, they are discussed below:
Parasites- these plants obtain nutrition from eating other plants. Their example can be Cuscuta (Amabel).
Insectivorous plants- These plants trap and eat insects to obtain nutrition from them. Venus flytrap is the most common example.
1.4 Saprotrophs
This topic talks about saprotrophs. Saprotrophs refer to those plants that obtain their nutrition from dead and decaying matters. Mushroom and fungi are their ideal examples.
1.5 How Nutrition Replenished in the Soil
This topic discusses the various ways by which nutrition in the soil is restored. Also, the soil has various minerals like phosphorus, nitrate, potassium, etc. which are present in the soil. Above all, the topic talks about manure and fertilizers that help in restoring soils fertility.
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