Q. No.Chloroplast differs from mitochondria in
1.
Having circular DNA and 70S ribosomes
2.
Phase of division or duplication during cell cycle
3.
Having porins in outer membrane
4.
Having enzymes for carbohydrate synthesis in stroma
Which one is incorrect
| 1. | Mycoplasmas are greater than bacteria |
| 2. | largest isolated cell is ostrich egg |
| 3. | Nerve cells are longest cells |
| 4. | The shape of the cell may vary with the function they perform |
Nerve cell is
1. largest and branched
2. longest and branched
3. longest and unbranched
4. largest and unbranched
Which of the following statement are correct:-
| 1. | Lysosome contain a hydrolytic enzyme which acts in pH= 5 |
| 2. | Glycosylation complete in the Golgi body. |
| 3. | Mitochondria are stained with vital stain Janus green B. |
| 4. | All of the above. |
The diagram below is a diagrammatic representation showing
1. Section of a centriole
2. A cartwheel 9 + 0 structure of microtubular organisation
3. Internal structure of an eukaryotic flagella
4. Internal structure of a centrosome
Cell envelope in bacteria consists of
| 1. | Plasma membrane only |
| 2. | Plasma membrane and mesosome |
| 3. | Glycocalyx only |
| 4. | Glycocalyx, cell wall and plasma membrane |
Which cell organelle principally performs the function of packaging materials, to be delivered either to the intra-cellular targets or secreted outside the cell?
| 1. | Rough endoplasmic reticulum |
| 2. | Golgi apparatus |
| 3. | Smooth endoplasmic reticulum |
| 4. | Lysosomes |
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 |
Find out the incorrect match
1. Lysosome - Intracellular scavenging
2. Golgi complex - Metabolism of xenobiotics
3. Elaioplast - Oil and fat storage
4. Glyoxysomes - Gluconeogenesis
Which of the following synthesizes proteins for export?
1. Free ribosomes
2. SER
3. Lysosome
4. RER
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