9th Biology Chapter4 Cell Biology
| Sr # | Questions | A | B | C | D |
|---|---|---|---|---|---|
| 1 | Cell walls of sclerenchyma tissues are hardened with: | Chitin | Cellulose | Peptidoglycan | Lignin | 2 | A plant tissue composed of more than one type of cells: | Compound | Support | Ground | Meristematic | 3 | Cells were first described by a British scientist? | Robert Hooke | Leuwenhoek | Schleiden | Schwann | 4 | Which of the following muscles are involuntary in action? | Skeletal | Smooth | Cardiac | 2 and 3 | 5 | Human body is made up of types of cells: | 50 | 100 | 150 | 200 | 6 | The epidermal tissues contain: | Root hairs | Stomata | Both 1 and 2 | Lenticels | 7 | Resolution of human eye is: | 0.1mm | 0.2mm | 0.3mm | 0.4mm | 8 | Companion cells are found in: | Xylem | Phloem | Epidermal tissues | Parenchyma tissues | 9 | Resolution of electron microscope is: | 0.2nm | 0.3nm | 0.4nm | 0.5nm | 10 | The increase in apparent size of an object: | Resolution | Microscopy | Magnification | Both 1 and 2 | 11 | Blood is an example of: | Connective tissue | Muscle tissue | Nervous tissue | Epithelial tissue | 12 | Resolution of light microscope? | 0.1μm | 0.2μm | 0.3μm | 0.4μm |