Q. No.| 1. | Chemical approach to study and understand living organisms |
| 2. | Behavioural approach to study and understand living organisms |
| 3. | Physico-chemical approach to study and understand living organisms |
| 4. | Physiological approach to study and understand living organisms |
Cell is the fundamental structural and functional unit of all living organisms because:
| 1. | Anything less than a complete structure of a cell does not ensure independent living. |
| 2. | The metabolic reactions can only occur inside a living cell. |
| 3. | Nucleic acids present in the cells ensure living state. |
| 4. | The membrane bound organelles cause differentiation for proper functioning. |
Which one of the following is incorrect statement
(1) All organisms are composed of cells
(2) Cell is the basic unit of life
(3) All inanimate things are made up of cells
(4) Virus is acellular
Choose incorrect statement
| 1. | Leeuwenhoek first saw and described a living cell |
| 2. | Robert Brown discovered cell |
| 3. | Electron microscope revealed all the structural details of cell |
| 4. | A large cell has a higher volume: surface ratio than a smaller cell |
Who concluded, based on his studies on plant tissues, that the presence of cell wall is a unique character of plant cells ?
| 1. | Mathias Schleiden | 2. | Theodor Schwann |
| 3. | Rudolph Virchow | 4. | Robert Hooke |
Which of the following are not membrane-bound?
1. Vacuoles
2. Ribosomes
3. Lysosomes
4. Mesosomes
Cellular organelles with membranes are
| 1. | nuclei, ribosomes and mitochondria |
| 2. | chromosomes, ribosomes and endoplasmic reticulum |
| 3. | endoplasmic reticulum, ribosomes and nuclie |
| 4. | lysosomes, Golgi apparatus and mitochondria. |
The main arena of various types of activities of a cell is
1. plasma membrane
2. mitochondrion
3. cytoplasm
4. nucleus
The organelle common among prokaryotic and eukaryotic cell is
1. centrosome
2. ribosome
3. peroxisome
4. glyoxysome
Cell theory was proposed by
1. a botanist
2. a zoologist
3. a botanist and a zoologist
4. a psychologist.
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