(i) Draw the diagram of heart and label its four chambers.(ii) Construct a table to show the functions of these four chambers. From Life Processes Class 10 CBSE

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Life Processes

Question 13

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What are the modes of nutrition other than autotrophic nutrition?

Solution

The modes of nutrition other than autotrophic nutrition are —Heterotrophic, saprophytic, parasitic and holozoic.

Question 14

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What are the raw materials for photosynthesis?

Solution

The raw materials for photosynthesis are
(i) CO₂ (ii) water (iii) light (iv) chlorophyll.

Question 15

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What is the primary source of energy for all living beings?

Solution

Sun.

Question 16

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Are there organisms that do not require water for photosynthesis?

Solution

The green sulphur bacteria use H₂S (Hydrogen sulphide) instead of water.

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