InterviewSolution
Saved Bookmarks
InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Resolving power of scanning electron microscope isA. 5-20 nmB. `.01 nm`C. `.1 nm`D. `.0001` |
| Answer» Correct Answer - A | |
| 2. |
Resolving power of light microscope isA. `0.2 mum`B. `0.1 mum`C. `2 mum`D. `100 mum` |
| Answer» Correct Answer - A | |
| 3. |
Numerical aperture of microscope lens is expressed byA. Angular aperture onlyB. Refractive index onlyC. Both angular aperture and refractive indexD. Wave length of the light used |
| Answer» Correct Answer - C | |
| 4. |
Water soluble yellowish pigment present in petals of Dahlia isA. CaroteneB. XanthophyllC. AnthoxanthinD. Anthocyanin |
| Answer» Correct Answer - C | |
| 5. |
Which lenses in electron microscope are used to control and focus aA. Convex lensB. Concave lensC. Electric lenses in electron microscope are used to control and focus aD. |
| Answer» Correct Answer - D | |
| 6. |
Match column I with column II and select the correct option `{:("Column I", "Column II"),("Sap vacuole",1."Contain digestive enzyme"),("Contractile vacuole",2."Store metabolic gases"),("Food vacuole",3."Osmoregulation"),("Air vacuole", 4."Store lipids"),("Sphaerosomes", 5."Store and concentrate mineral salts & nutrients"):}`A. A-5, B-3, C-1, D-2, E-4B. A-2, B-3, C-4, D-5, E-1C. A-5, B-2, C-3, D-A, E-4D. A-5, B-2, C-2, D-1, E-4 |
| Answer» Correct Answer - A | |
| 7. |
Match the following and choose the correct combination from the options given `{:("Column I", "Column II"), ("Robert Hooke", 1."Mutation theroy"),("Charles Darwin",2."Swan-necked flask experiment"),("Hugo de vries ", 3."Origin of species"),("Louis pasteus",4."Mcrographia"):}`A. A-3,B-4,C-1,D-2B. A-2,B-1,C-3,D-4C. A-1, B-2, C-3, D-4D. A-4, B-3, C-1,D-2 |
| Answer» Correct Answer - D | |
| 8. |
The resolving power of a compound microscope will increase withA. Decrease in wavelength of light and increase in numerical apertureB. Increase in wavelength of light and decrease in numerical apertureC. Increase in wavelength of light and numerical apertureD. Decrease in both wavelength of light and numerical aperture |
| Answer» Correct Answer - A | |
| 9. |
Match Column - I with Column -II and select the correct option `{:("Column -I", "Column-II"),("Cup shaped", 1."Ulothrix"),("Girdle shaped",2."Oedogonium"),("Stellate",3."Chlamydomonas"),("Reticulate",4."Zygnema"):}`A. A-2, B-4, C-3, D-1B. A-3, B-1, C-4, D-2C. A-3, B-4,C-2,D-1D. A-4, B-3, C-1,D-2 |
| Answer» Correct Answer - B | |
| 10. |
Which is not true about spareosomesA. Arise from ER.B. Related to fatC. Single membrane bound strutuceD. Involved in photorespiration |
| Answer» Correct Answer - D | |
| 11. |
What is a tonoplastA. Outer membrane of mitochondiraB. Inner membrane of chloroplastC. Membrane boundry of the vacuole of plant cellsD. Cell membrane of a plant cell |
| Answer» Correct Answer - C | |
| 12. |
Peroxisomes are rich inA. DNAB. RNAC. Catalytic enzymesD. Oxidative enzymes |
|
Answer» Correct Answer - D Peroxisomes contain glycolic glycolic acid oxidase, which oxidises glycolic acid (a product of photosynthesis) to glyoxylic acid. |
|
| 13. |
Tonoplast is aA. Covering layer of golgi complexB. Covering layer of vacuolesC. Covering layer of microbodiesD. Non-living cytoplasmic content |
| Answer» Correct Answer - B | |
| 14. |
Red colour of tomato is due toA. `beta`- caroteneB. AnthocyaninC. LycopeneD. Erythrocyanin |
|
Answer» Correct Answer - A Lycopene is red coloured carotenoide present in chromoplast of tomato. |
|
| 15. |
DNA remains absent inA. ChloroplastB. NucleusC. PeroxisomesD. Chromosomes |
|
Answer» Correct Answer - C DNA not found in peroxisomes, ribosomes, ER, golgibody etc. |
|
| 16. |
Number of protofilaments in microtubule isA. 10B. 12C. 5D. 13 |
|
Answer» Correct Answer - D T.S. of microtubules shows array of 13 rows of subunit i.e., protofilament having a diameter of 5-7 nm. |
|
| 17. |
Quantasomes are found inA. MitochondriaB. ChloroplastC. LysosomeD. Endoplasmic retiuculum |
| Answer» Correct Answer - B | |
| 18. |
Nucleoproteins in a cell are synthesized inA. Outside the nucleoulsB. NucleoplasmC. Nuclear membraneD. Nucleolus |
| Answer» Correct Answer - A | |
| 19. |
The nucleus is separated from surrounding cytoplasm by a nuclear membrane, which isA. Single layered with poresB. Single layered without poresC. Double layerd with poresD. Double layered without pores |
| Answer» Correct Answer - C | |
| 20. |
Beet root if kept in cold water anthocyanin does not come out due to plasma membraneA. Differentially permeableB. Impermeable to anthocyanisC. Permeable to anthocyaninsD. Dead |
|
Answer» Correct Answer - B Anthocyanin pigment cannot come outside due to impermeability of plasma membrane. |
|
| 21. |
The type of cell juction which facilitates cell to cell communication isA. Tight junctionB. Adhering junctionC. Gap junctionD. Desmosomes |
| Answer» Correct Answer - C | |
| 22. |
Ion carriers are located inA. NucleusB. Cell wallC. Cellular spaceD. Plasma membrane |
|
Answer» Correct Answer - D Surface of plasma membrane has the ion carriers which participates in exchange of ions. |
|
| 23. |
Lysosomes have acidic environment inside their vesicles due toA. Production of carboxylate ions inside itB. Production of phosphate ions inside itC. High pH compared to outsideD. None of the above |
| Answer» Correct Answer - D | |
| 24. |
One of the most common enzyme found in peroxisome isA. HydrolaseB. CatalseC. DehydrogenaseD. Reductase |
| Answer» Correct Answer - B | |
| 25. |
Phragmoplast isA. Cell plate formed by endoplasmic reticulum, golgi bodies and secretory vesicles during cytokinesisB. Plastid capable of fragmentationC. Plastid capable of duplicationD. |
| Answer» Correct Answer - A | |
| 26. |
The 80S ribosomes are present inA. Eucaryotic cellsB. Procaryotic cellsC. Bacterial cellsD. Cyanobacterial cells |
| Answer» Correct Answer - A | |
| 27. |
Ribosomes are found inA. CytoplasmB. NucleusC. Cell wallD. Golgibody |
| Answer» Correct Answer - A | |
| 28. |
What is lacking in an animal cellA. PlasmodesmataB. 80s ribosomesC. CentrioleD. All of these |
| Answer» Correct Answer - A | |
| 29. |
What is true about ribosomesA. The prokaryotic ribosomes are 80 S, where "S" stands for sedimentation coefficientB. These are found only in eukaryotic cellsC. These are self-splicing introns of some mRNA to formD. |
| Answer» Correct Answer - B | |
| 30. |
Importance of mitochondria in respiration was first discovered byA. S. MadaniB. MevesC. MichaelisD. Barbergan |
| Answer» Correct Answer - C | |
| 31. |
Ribosomes, similar to those of bacteria, are found inA. Plant nucleiB. Pancreatic mitochondriaC. Liver endoplasmic reticulumD. Cardiac muscle cytoplasm |
|
Answer» Correct Answer - B Bacterial ribosomes is 70 S type which resembles with mitochondrial ribosomes. |
|
| 32. |
Match the following items in column-I with those in column-II and choose the correct answer A. P-ii, Q-iB. P-I, Q-iiC. P-iv, Q-iiD. P-iii, Q-iv |
| Answer» Correct Answer - C | |
| 33. |
Carbohydrates are present in the plasmalemma in the form ofA. StarchB. CelluloseC. HemicelluloseD. Phospholipids (glycolipids) and phosphoproteins (glycoproteins) |
| Answer» Correct Answer - D | |
| 34. |
Losmasomes are found inA. Algal cellB. Fungal cellC. YeastD. E. coli |
| Answer» Correct Answer - B | |
| 35. |
The amount of which of the element is greatest in protoplasmA. HydrogenB. OxygenC. NitrogenD. Carbon |
| Answer» Correct Answer - B | |
| 36. |
Protoplasm was regarded as the "physical basis of life " byA. Huxley (1868)B. Corti (1772)C. Harby (1899)D. Malphighi (1903) |
|
Answer» Correct Answer - A The whole living material of cell is called protoplasm (According to Huxley, 1968). |
|
| 37. |
Normal pH of Protoplasm isA. 7.8B. 6.8C. 5D. 6.5 |
|
Answer» Correct Answer - B The pH of protoplasm is considered nearly as 7. |
|
| 38. |
Cyclosis isA. Circular movement of cytoplasm inside the cellB. Up and down movement of protoplasmC. To and fro movement of nucleoplasmD. None of the above |
| Answer» Correct Answer - A | |
| 39. |
In higher plants, continuity of cytoplasm from one cell to its neighbouring cells to its neighbouring cells is established throughA. ApoplastB. ChloroplastC. LeucoplastD. Symplast |
| Answer» Correct Answer - D | |
| 40. |
Heterophagosome isA. Formed by funsion of food containing phagosome with primary lysosomeB. A newly pinched out vescile from Golgi apparatus which fuses with endosome to become fully functionalC. Formed by fusion of primary lysosome with degenerating intracellular organellesD. A lysosome in which only indigestible food material is left |
| Answer» Correct Answer - A | |
| 41. |
Which of the following is responsible for the origin of lysosomeA. ChloroplastB. MitochondriaC. Golgi bodyD. Ribosome |
| Answer» Correct Answer - C | |
| 42. |
Most of the hydrolytic enzymes of lysosome function atA. Acidic pHB. Alkaline pHC. Neutral pHD. Both (b) and (c ) |
| Answer» Correct Answer - A | |
| 43. |
All are membrane bound cell organelles except " Or Which of the following cell organelles lacks a unit membraneA. MitochondriaB. LysosomesC. SphaerosomesD. Ribosomes |
|
Answer» Correct Answer - D Ribosomes are solid particles of protein and not made up of any membrane. |
|
| 44. |
A plant cell usuall differs from an animal cell in the absence of " " Or Plant cells normally lack " " Or Which of the following organelles is devoid of DNA yet is capable of duplicationA. RibosomesB. CentrioleC. MitocndriaD. E.R. |
| Answer» Correct Answer - B | |
| 45. |
Thickness of plasma membrane isA. 10 Å to 30 ÅB. 30 Å to 50ÅC. 50 Å to 70 ÅD. 70 Å to 100 Å |
| Answer» Correct Answer - D | |
| 46. |
Select of correct statement from the following regarding cell membrane " " Or Who proposed "fluid mosaic model" for plasma membraneA. `Na^(+) " and " K^(+)` ions move across cell membrane by passive transportB. Proteins make up 60 to 70 % of the cell membraneC. Lipids are arranged in a bilayer with polar heads towards the inner partD. Fluid mosaic model of cell membrane was proposed by Singer and Nicolson |
| Answer» Correct Answer - D | |
| 47. |
Green potatoes are toxic due toA. PhytoalexinsB. SolaninC. TriazineD. Hormones |
| Answer» Correct Answer - A | |
| 48. |
The cell organelles are found inA. Bacterial cellsB. Cyanobacterial cellsC. Prokaryotic cellsD. Eukaryotic cells |
|
Answer» Correct Answer - D Cell organelles like mitochondria, golgi complex, E.R. and lysosomes etc. are present only in eukaryotes. |
|
| 49. |
Which of the following cell organelles is having single layered unit membrane " " Or In active leaf cells, the double membrane is absent inA. CentrosomeB. LysosomeC. MesosomeD. Nucleus |
| Answer» Correct Answer - B | |
| 50. |
Plasma membrane helps inA. Transportation of only water in and out of cellB. Protein synthesisC. OsmoregulationD. Nucleic acid synthesis |
| Answer» Correct Answer - C | |