Question

Match the items of column A with those of column B.

Column A	Column B
1. Cell membrane	a. Suicide bag
2. Nucleus	b. Semi-permeable
3. Ribosomes	c. Control centre
4. Lysosome	d. Protein synthesis

• A. 1 – b; 2 – c; 3 – a; 4 – d
• B. 1 – c; 2 – b; 3 – a; 4 – d
• C. 1 – c; 2 – b; 3 – d; 4 a
• D. 1 – b; 2 – c; 3 – d; 4 – a

Answer 1

The correct option is D 1 – b; 2 – c; 3 – d; 4 – a

The cell membrane is a semi-permeable structure that helps in the passage of different substances from inside the cell to outside it, and vice versa.
The nucleus is the control centre of a cell. It controls the important functions of a cell.
Ribosomes are responsible for the synthesis of proteins in cells.
Lysosomes are known as the suicide bags of a cell. They have hydrolytic enzymes that helps in the digestion of unwanted substances inside a cell.