Q. No.Which one of the following structure is an organelle within an organelle?
1. Ribosome
2. Peroxysome
3. ER
4. Mesosome
SER and RER can be distinguished with its presence in
| 1. | protein synthesising cells |
| 2. | protein and fat synthesising cells |
| 3. | carbohydrates and fat synthesising cells |
| 4. | lipid and protein synthesising cells |
Fluid mosaic model of plasma membrane was given by
1. Robertson
2. Robert Hooke
3. Singer and Nicholson
4. Gorter and Grendel
Which of the following four cell structures is correctly matched with the accompanying description?
| 1. | Plasma membrane - Outer layer of cellulose or chitin, or absent |
| 2. | Mitochondria - Bacteria like elements with inner membrane forming sacs containing chlorophyll, found in plant cells and algae |
| 3. | Chloroplasts - Bacteria like elements with inner membrane highly folded |
| 4. | Golgi apparatus - Stacks of flattened vesicles |
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
Which of the following is incorrect match
1.bacillus- rod like
2.coccus-comma shaped
3.vibrio-comma shaped
4, spirillum-spiral
Which of the following is not true about plasmid
| 1. | extra chromosomal DNA |
| 2. | give unique genotypic characters to bacteria |
| 3. | helps in antibiotic resistance |
| 4. | helps in reproduction |
Integral or Peripheral proteins classification is based on
| 1. | protein size | 2. | ease of extraction |
| 3. | ease of function | 4. | ease of study |
The ability to move within the membrane is measured as its
1. liquidity
2. fluidity
3. viscosity
4. stability
The fluid nature of the membrane is also important from the point of view of functions like
1. cell growth
2. secretion
3. cell division
4. All of the above
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