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Question

Growth occurs due to synthesis of

A
Protoplasmic substance
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B
Apoplasmic substance
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C
Both A and B
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D
Lipids
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Solution

The correct option is C Both A and B
Living organisms show internal growth due to the addition of materials and formation of cells inside the body. Such a method is called intussusception (L-into-within, sus si pere-to receive).
Growth occurs when anabolism exceeds catabolism. Two types of substances– protoplasmic and apoplasmic are formed for growth. Protoplasmic substances are constituents of living matter. They bring about the increase in bulk of protoplasm. Apoplasmic substances are non-living substances, e.g., cell wall, matrix, etc. Formation of the two types of substances is followed by cell division and cell enlargement.
Hence answer is 'Both A and B'

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