Different ways of taking Food


 
 
Concept Explanation
 

Different ways of taking Food

Animals, including humans, require food for obtaining energy, growth, repair of damaged parts and functioning of the body. The process of taking food by an animal and its utilization in the body is called ‘animal nutrition.’

Plants prepare their own food by the process of photosynthesis but animals get their food from plants, either directly by eating plants or indirectly by eating animals that eat plants. Some animals eat both plants and other animals.

Animal nutrition includes nutrient requirements mode of intake of food and its utilization in the body. The components of food such as carbohydrates are complex substances which cannot be utilized by the body. So, they are broken down into simpler substances. The process of breakdown of complex substances of food into simpler substances is called ‘digestion.’ There are two methods of digesting food, i.e. physical method (including chewing and grinding of food in mouth) and chemical method (addition of digestive juices by the body itself)

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Sample Questions
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Question : 1

Which of the following are correct ?

(a) Animals, including humans, require food for obtaining energy, growth, repair of damaged parts and functioning of the body.

(b) The process of taking food by an animal and its utilization in the body is called ‘animal nutrition.’

Right Option : C
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Explanation
Question : 2

An example of heterotrophic organism which can synthesize food is ______________

Right Option : B
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Explanation
Question : 3

Siphoning is the mode of feeding alone in which type of animal?

Right Option : B
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Explanation
 
 
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