2353
Spirogyra is regarded as a multicellular plant because
- A. its cells are linked together by cytoplasmic strands
- B. its cells are joined to form organs
- C. the cylindrical cells are linked end to end
- D. the filaments consist of one cell only
- E. it is an algea containing large vacuoles
2354
The organelle which eliminate water from the body of protozoa is
- A. plasma membrane
- B. contractile vacuole
- C. cell wall
- D. protoplasm
- E. nucleus
2355
The cell is a functional unit of living organisms because
- A. multicellular organisms are made up of cells
- B. all cells in a multicellular organism function as a single cell
- C. the function of a multicellular organism is the sum total of the functions of its constituent cells
- D. the function of a single cell is superior to that of the multicellular organism
- E. the cells of a multicelullar organism are similar in structure