Q. No.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 chromosomes in which centromere is situated close to one end are
1. metacentric
2. acrocentric
3. telocentric
4. sub-metacentric
Select the correct matching in the following pairs.
| 1. | Smooth ER—Oxidation of phospholipids |
| 2. | Smooth ER—Synthesis of lipids |
| 3. | Rough ER—Synthesis of glycogen |
| 4. | Rough ER—Oxidation of fatty acids |
Which one of the following is not an inclusion body found in prokaryotes?
1. Phosphate granule
2. Cyanophycean granule
3. Glycogen granule
4. Polysome
Which structures perform the function of mitochondria in bacteria?
1. Nucleoid
2. Ribosomes
3. Cell wall
4. Mesosomes
The osmotic expansion of a cell kept in water is chiefly regulated by
1. mitochondria
2. vacuoles
3. plastids
4. ribosomes
The Golgi complex plays a major role:
| 1. | in trapping the light and transforming it into chemical energy |
| 2. | in digesting proteins and carbohydrates |
| 3. | as energy transferring organelles |
| 4. | in post translational modification of proteins and glycosylation of lipids |
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