Cell Structure and Functions
Quiz covering fundamental concepts of cell structure, including cell morphology, organelles, cell walls, cell theory, and variations in cell types across organisms.
Questions
Which of the following cells in human body have spindle shaped structure?
- Smooth muscle cells
- Red blood cells
- White blood cells
- Nerve cells
- Bone cells
Cell wall is a protective covering, which gives shape and rigidity to the cells. In which of the following groups is the cell enclosed in a cell wall?
- Plants and animals
- Animals and bacteria
- Plants and bacteria
- Fungus and animals
- Bacteria and sponges
The cell theory was proposed by Schleiden and Schwann. Which of the following statements is not correct according to cell theory?
- Cells are structural unit of living organisms.
- Cells are functional unit of living organisms.
- All living organisms are made up of one or more cells.
- New cells are formed from pre-existing cells.
- Cells can be formed from non-living things.
Cell organelles are generally surrounded by one or more membranes. Which of the following organelles is not surrounded by any membrane?
- Nucleus
- Chloroplast
- Mitochondria
- Ribosome
- Lysosome
In human, the structure of cells varies from one organ to another. Which of the following cells in the human body have elongated and branched structures?
- Muscle cells
- Red blood cells
- White blood cells
- Nerve cells
- Bone cells