Multiple choice

Match the Group-I with Group-II ||| |---|---| |Group-I (Cell organelle)|Group-II (Appropriate function)| |P. Nucleus|1. Protein synthesis| |Q. SER|2. Mechanical support| |R. Ribosomes|3. Synthesis of lipids| |S. Plasma membrane|4. Inheritance|

  1. P - 4, Q - 3, R - 1, S - 2

  2. P - 2, Q - 1, R - 4, S - 3

  3. P - 3, Q - 4, R - 1, S - 2

  4. P - 1, Q - 3, R - 4, S - 2

  5. P - 4, Q - 3, R - 2, S - 1
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A Correct answer
Explanation

i. Nucleus is a dense protoplasmic body that contains hereditary information for controlling cell activities as well as for transfer to next generation. The nucleus contains genetic material DNA, so it is needed for the inheritance of characters from one generation to another. ii. Smooth endoplasmic reticulum is specialised to synthesise lipids and steroids. iii. Ribosomes help in protein synthesis inside the cell. iv. Plasma membrane is the outer covering of most of the animal cells, living, ultra thin, elastic, semipermeable in nature. It provides the mechanical support and external frame to the protoplasm (cytoplasm + nucleus). Hence, the correct sequence of the codes is P - 4, Q - 3, R - 1, S - 2.

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