All organisms grow due to the growth in size and increase in the number of __.

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Solution

All organisms grow due to the growth in size and increase in the number of cells. Cells are the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane.

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Question 07:

Growth can be measured in various ways. Which of these can be used as parameters to measure growth?
(a) increase in cell number
(b) increase in cell size
(c) increase in length and weight
(d) all of these

Fill in the blanks.

(a) At temperature below ………… °C in the refrigerator, micro-organisms stop growing.

(b) Growth of micro-organisms depends on ………… .

Q. Assertion :Increase in size or volume is apparent growth. Reason: It is external manifestation of growth due to formation of new protoplasm.

Q. Assertion :Growth cannot be taken as a defining property of living organisms Reason: Non living organisms also grow due to accumulation of material on their surface

Size of an organism increases due to

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