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Let's check some Notes for Chapter 1 Class 7 Science - Nutrition in Plants!
As you studied in Class 6 about nutrition in humans, the first chapter for class 7 will teach you about the ‘nutrition of plants’. You will learn about this with the help of basic concepts, NCERT questions and extra worksheet questions prepared by the experts at Teachoo.
Firstly, you will get to know that plants are the only organisms which can make their food inside themselves and are thus called as autotrophs. Animals, on the other hand, cannot make their food on their own and are known as heterotrophs.
Secondly, you will learn about the process of ‘Photosynthesis’. Photosynthesis is the process by which plants make their own food with help of natural resources such as sunlight and its other parts such as chlorophyll, stomata etc. You will also learn about various other parts of a plant in detail.
Lastly, you will get to know that even in plants there are other modes of nutrition than autotrophic. Even plants can be heterotrophs such as ‘venus fly trap’ and a third category which is of saprotrophs such as ‘algae’.