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=In text questions of page no 69

=In text questions of page no 74

=In text questions of page no 78

 

In text questions of page no 69

In text questions of page no 69

Q No 1: What is a tissue?
Ans:
A group of cells that are similar in structure and functions grouped together to form a tissue.

 

Q No 2: What is the utility of tissues in multi-cellular organisms?
Ans:
In multicellular organisms, several cells are grouped to form tissues. These tissues perform particular function at a definite place in the body. For example, nerve cells from the nervous tissue which helps in transmission of messages. This is known as division of labour in multicellular organisms. Because of this division of labour, multicellular organisms are able to perform all functions perfectly.



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What is a tissue, What is the utility of tissues in multi-cellular organisms

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