Q2 of 35 Page 112

What is nutrition? What type of nutrition is seen in green plants and the majority of animals?

Process of taking up nutrients from their surroundings and then breaking them into simpler and absorbable form is known as nutrition.

Autotrophic nutrition (Auto means self) is seen in green plants. In autotrophic nutrition, organism synthesizes its food on its own. So, as plants make their own food so, they have an autotrophic mode of nutrition.


Heterotrophic nutrition (Hetero means others) is seen in the majority of animals as they depend on other living organisms for nutrition.


More from this chapter

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9

Pick out the odd one: The parts of the alimentary canal are

 1

Name the types of vascular tissues in the plant stem which are labelled A and B.


i) Name A and B


ii) What materials are transported through A?


iii) What materials are transported through B?


iv) How do the materials in A move upwards to the leaves?

 3

Match the methods of nutrition of special organs with suitable examples:

 4

Observe the diagram


i) Mention the type of movements shown in figure A and B.


ii) How does this movement differ from the movement of mimosa?