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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An example of encleated living plant cell isA. RBCB. sieve tube cellC. companion cellD. xylem parenchyma |
| Answer» Correct Answer - B | |
| 2. |
If a living cell is placed anaerobic condition itsA. mitochondria will multiplyB. mitochondria will disappearC. ER will disappearD. mitochondria and ribosomes multiply speedly |
| Answer» Correct Answer - B | |
| 3. |
Which organelle can reduce the number of other organelles ?A. OxysomeB. MitochondrionC. LysosomeD. None of these |
| Answer» Correct Answer - C | |
| 4. |
Thylakoids are found inA. bacteriaB. blue green algaeC. higher plantsD. all of these |
| Answer» Correct Answer - D | |
| 5. |
Chloroplasts are engaged inA. photosynthesisB. proteins synthesisC. photosynthesis and coding of structural proteins for thylakoid membraneD. photosynthesis and detoxification |
| Answer» Correct Answer - C | |
| 6. |
The endosymbiotic theory is concerned withA. orgin of lichensB. origin of eukaryotesC. origin of chloroplast and mitochondriaD. origin of viruses |
| Answer» Correct Answer - C | |
| 7. |
The cell structures that are mainly nucleoproteinaceous in nature, usually haveA. single membraneB. double membraneC. no membraneD. any of these |
| Answer» Correct Answer - C | |
| 8. |
Thylakoid are found in the plastids ofA. bacteriaB. blue green algaeC. higher plantsD. all of these |
| Answer» Correct Answer - C | |
| 9. |
0 + 9 microfibrillar structure is found inA. shaft of flagellaB. shaft of ciliaC. centrioleD. all correct |
| Answer» Correct Answer - C | |
| 10. |
Sweeping type of rhythmic movements are shown byA. flagellaB. ciliaC. both (1) & (2)D. centrosome |
| Answer» Correct Answer - B | |
| 11. |
Which is not a compartment in the cell ?A. NucleusB. CentrioleC. MitochondriaD. Chloroplast |
| Answer» Correct Answer - B | |
| 12. |
Lysosomes are calledA. power houseB. energy transducerC. disposal units of cellD. all correct |
| Answer» Correct Answer - C | |
| 13. |
Which organelle converts cellular polymers into monomers ?A. LysosomesB. Golgi bodiesC. SERD. Plastids |
| Answer» Correct Answer - A | |
| 14. |
Lysosomes arise through theA. Golgi complexB. SERC. RERD. GERL System |
| Answer» Correct Answer - D | |
| 15. |
Chromosomes are best observed at metphase. For studying the shape, best stage isA. early prophaseB. anaphaseC. telophaseD. late prophase |
| Answer» Correct Answer - B | |
| 16. |
Metacentric chromosomes haveA. no armsB. equal armsC. unequal armsD. one arm |
| Answer» Correct Answer - B | |
| 17. |
Enzymes for ETS in mitochondria are located inA. inner membraneB. oxysomesC. outer membraneD. matrix |
| Answer» Correct Answer - A | |
| 18. |
The nucleoplasm is continuous with the cytoplasm of a cell throughA. ERB. Nuclear poresC. Golgi apparatusD. Vacuoles |
| Answer» Correct Answer - A | |
| 19. |
Lipid molecules (Phospholipids) are amphiatic. Each moleucle has |
| Answer» Correct Answer - B | |
| 20. |
Which one provides hardness to cell wall?A. CelluloseB. SuberinC. LigninD. Cutin |
| Answer» Correct Answer - C | |
| 21. |
The secondary wall is chiefly composed ofA. lingninB. pectinC. mureinD. chitin |
| Answer» Correct Answer - A | |
| 22. |
Biomembrance areA. asymmetric and solid sheet likeB. symmetric and globularC. asymmetric and fludiyD. symmetric and fluidy |
| Answer» Correct Answer - c | |
| 23. |
Membrane proteins areA. cellulaseB. lyasesC. permeasesD. All of these |
| Answer» Correct Answer - C | |
| 24. |
The ER acts as a circulatory or transporting system. Choose the correct path of transport of substances.A. Lysosome `to ` Golgi-membrane ` to ` Agranular ER ` to ` Granular ERB. Granular ER ` to ` Golgi membrance ` to ` LysosomesC. Golgi membrane ` to ` Lysosomes ` to ` Granular ER ` to ` Golgi-membraneD. Agranular ER ` to ` Lysosome ` to ` Granular ER ` to ` Golgi - membrance |
| Answer» Correct Answer - B | |
| 25. |
When an Amoeba is taken from river to sea water, thanA. contractile vacuole disappearsB. feeding stopsC. it divides immediatelyD. undergoes encystment |
| Answer» Correct Answer - A | |
| 26. |
Myofibrils areA. microfilamentsB. microtubulesC. myoglobinD. ER |
| Answer» Correct Answer - A | |
| 27. |
The enzyme called Marker enzyme in lysome isA. acid phosphataseB. peroxidaseC. hyaluronidaseD. catalase |
| Answer» Correct Answer - A | |
| 28. |
Contractile vacuoles help inA. excretionB. osmoregulationC. osmoregulation and respirationD. digestion |
| Answer» Correct Answer - B | |
| 29. |
During starvation, energy is supplied byA. lysosomesB. centrosomesC. vacuolesD. chromoplast |
| Answer» Correct Answer - A | |
| 30. |
The larger and smaller subunits in 80 S ribosome areA. 50 S, 30 SB. 60 S, 40 SC. 40 S, 60 SD. 50 S, 30 S |
| Answer» Correct Answer - B | |
| 31. |
Site of formation of ribosomal precursor/ribosomal subunits in cell isA. nucleusB. nucleolusC. Golgi bodyD. stroma |
| Answer» Correct Answer - B | |
| 32. |
Cell was consists ofA. water, hemicellulose and cellulose+ pectinB. cellulose , liqids and proteinsC. cellulose + proteins + petin + water + lipids and hemicelluloseD. microfibrils and pectin |
| Answer» Correct Answer - C | |
| 33. |
Plant lysosomes rich in fats and taking part in synthesis of fats, areA. sphaerosomesB. glyoxysomesC. microsomesD. lysosomes |
| Answer» Correct Answer - A | |
| 34. |
Cell wall isA. living and impermeableB. permeable, dead with pitsC. dead permeable without pitsD. living semipermeable with pits |
| Answer» Correct Answer - B | |
| 35. |
Cytoskeleton of cell is made up ofA. Lysosome & vacoules & ribiosomesB. microtubulesC. microfilaments and microtubulesD. all of the above |
| Answer» Correct Answer - C | |
| 36. |
The fatty chemical substance in cork cell wall isA. ligninB. chitinC. cutinD. suberin |
| Answer» Correct Answer - D | |
| 37. |
A pit is unthickened area is call wall. It lacksA. primary wallB. middle LamellaC. secondary wallD. cell wall and cell membrance |
| Answer» Correct Answer - C | |
| 38. |
Unthickened area in secondary wall is calledA. stomeB. torusC. pitD. plasmodesma |
| Answer» Correct Answer - C | |
| 39. |
Lignin is the important constituent in the cell wall ofA. cambiumB. parenchymaC. phloemD. xylem parenchyma |
| Answer» Correct Answer - D | |
| 40. |
The overarching secondary wall which encloses a part of the pit cavity is calledA. pit borderB. pit membraneC. pit apertureD. pit canal |
| Answer» Correct Answer - A | |
| 41. |
Which layer has more cellulose ?A. Primary wallB. Secondary wallC. Cell membranceD. Middle lamella |
| Answer» Correct Answer - B | |
| 42. |
The prtoplasmic strands connecting the two adjacent plants cells through which exchange of material occur are celled.A. plasmalemmaB. plasmodesmataC. tonofibrilsD. spindle fibres |
| Answer» Correct Answer - B | |
| 43. |
Plasmalemma of two adjacent cells are fussed in case ofA. terminal barsB. tight junctionsC. microvilliD. desmosomes |
| Answer» Correct Answer - B | |
| 44. |
The layer of vacuole isA. plasmalemmaB. tonoplastC. sarcolemmaD. cytoplasmic membrane |
| Answer» Correct Answer - B | |
| 45. |
Middle lamella is found between _____of adjacent cells.A. secondry wallsB. Primary wallC. plasmalemmaD. anywhere in cell |
| Answer» Correct Answer - B | |
| 46. |
Middle lamella is made up ofA. celluloseB. proteinC. calcium and magnesium pectateD. lipids and lignin |
| Answer» Correct Answer - C | |
| 47. |
Water balance of cell is maintained byA. ERB. vacuolesC. lysosomesD. all of these |
| Answer» Correct Answer - B | |
| 48. |
The membrane of endoplasmic reticulum remains continuous with membrane ofA. plasma membrance and lysosomeB. Golgi-complex and plastidsC. plasma -membrane and ERD. plasma - membrane and nuclear membrane |
| Answer» Correct Answer - D | |
| 49. |
Nucleus is the site ofA. m-RNA systhesisB. assemblage of ribosomal unitsC. both (1) & (2)D. DNA and protein synthesis |
| Answer» Correct Answer - B | |
| 50. |
The term protoplasm was coined byA. DujardinB. PurkinjeC. Hugo von MohlD. T.H. Huxley |
| Answer» Correct Answer - B | |