Q. No.Free radicals in our body have been implicated in
1. ageing
2. certain degenerative disorders
3. neurodegeneration
4. all the above
A chromosome carrying the centromere at one of the ends is called
1. acentric
2. submetacentric
3. telocentric
4. metacentric.
If there were present no subcellular organelles in a eukaroytic cell, the rate of
metabolism will
1. increase
2. decrease
3. not change
4. increase dramatically.
Plasmodesmata connections help in
| 1. | cytoplasmic streaming |
| 2. | synchronous mitotic divisions |
| 3. | locomotion of unicellular organism |
| 4. | movement of substances between cells. |
Which is not true for prokaryotic cells ?
| 1. | They are smaller than eukaryotic cells. |
| 2. | They lack membrane-bound organelles. |
| 3. | Their genetic material is localised within nucleoid. |
| 4. | They contain a well developed cytoskeleton. |
Golgi body is associated with
| 1. | packaging and storage of material |
| 2. | cell wall formation |
| 3. | transport of enzyme |
| 4. | all of the above |
Which of the following cytoskelelal components of an eukaryotic cell play a major role in
protoplasmic streaming?
1. Microtubules
2. microfilaments
3. Intermediate filaments
4. None of these
Some Gram -ve bacteria have peptidoglycan and an extra layer of
1. lipo-polysaccharide
2. teichoic acid
3. cellulose
4. both 2. and 3.
Extranuclear genes occurs in
| 1. | plastids and are not inherited |
| 2. | plasmid and are not inherited |
| 3. | mitochondria and are inherited by female |
| 4. | mitochondria and are inherited by male. |
Which of the following is not a true subcellular organelle ?
1. Peroxisome
2. Ribosome
3. Chloroplast
4. Lysosome.
© 2025 GoodEd Technologies Pvt. Ltd.