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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.
| 201. |
"Endoplasmic reticulum" was discovered byA. ThompsonB. PaladeC. PorterD. Garnier |
| Answer» Correct Answer - C | |
| 202. |
E.R. was discovered byA. PaladeB. PorterC. ThomsonD. Both B and C |
| Answer» Correct Answer - B | |
| 203. |
E.R. is made ofA. CisternaeB. TubulesC. VesiclesD. All the above |
| Answer» Correct Answer - D | |
| 204. |
The term protoplast was coined byA. StrasburgerB. HansteinC. ButschiliD. Fischer |
| Answer» Correct Answer - B | |
| 205. |
Protoplast excluding nucleus is calledA. CytoplasmB. EndoplasmC. EctoplasmD. Protoplasm |
| Answer» Correct Answer - A | |
| 206. |
Mesokaryotic condition was distinguished byA. WhittakerB. DodgeC. CopelandD. Haeckel |
| Answer» Correct Answer - B | |
| 207. |
Who proposed crystallo-colloidal nature of protoplasmA. FischerB. FromannC. VeltonD. Hanstein |
| Answer» Correct Answer - A | |
| 208. |
Which one is an extracytoplasmic cell organelleA. VacuoleB. E.R.C. Golgi apparatusD. all the above |
| Answer» Correct Answer - D | |
| 209. |
The proteins associated with nucleic acids are `:`A. HistoneB. GlobulinC. AlbuminD. Scleroprotein |
| Answer» Correct Answer - A | |
| 210. |
An oxidative organelle isA. RibosomesB. Gogi bodyC. PeroxisomesD. ER |
| Answer» Correct Answer - C | |
| 211. |
Which amino acids are present in histonesA. Arginine an lysineB. Lysine and histidineC. Valine and histidineD. Arginine and histinden |
| Answer» Correct Answer - A | |
| 212. |
Histones are group of proteins which are rich in basic amino acids and they perform the function ofA. DNA coilingB. RNA coilingC. Protein coilingD. Nucleic acid coiling |
| Answer» Correct Answer - A | |
| 213. |
The concept of unit membrane was propounded byA. OvertonB. Gorter and GrendelC. DavsonD. Robertson |
| Answer» Correct Answer - D | |
| 214. |
A cell membrane hasA. Middle electron dense layerB. Middle electron transparent layerC. Outer electron transparent layerD. Inner electron transparent layer |
| Answer» Correct Answer - B | |
| 215. |
Cell membrane is composed ofA. PhospholipidB. NucleoproteinC. PolysaccharidesD. Lipoprotein |
| Answer» Correct Answer - A | |
| 216. |
Biomembranes are similar to "protein icebergs in sea of lipids "was saying ofA. Singer and NicolsonB. Danielli and DavsonC. Gorter and GrendelD. Helleir and Hoffmann |
| Answer» Correct Answer - A | |
| 217. |
Protein packaging is done byA. NucleolusB. RibosomesC. Golgi apparatusD. Endoplasmic reticulum |
| Answer» Correct Answer - C | |
| 218. |
Membrane most abundant in a cell isA. Nuclear membraneB. Golgi membraneC. Plasma membraneD. E.R. membrane |
| Answer» Correct Answer - D | |
| 219. |
Cells which are secretory in function have abundantA. DictyosomesB. E.R.C. LysosomesD. Osteosomes |
| Answer» Correct Answer - A | |
| 220. |
Histones areA. GlycoproteinsB. MucoproteinsC. Basic proteinsD. Acid proteins |
| Answer» Correct Answer - C | |
| 221. |
Cell organelles are embedded inA. Cytoplasmic membraneB. ProtoplasmC. CytoplasmD. None of the above |
| Answer» Correct Answer - C | |
| 222. |
Best stage to observe shape, size and number of chromosome isA. InterphaseB. MetaphaseC. ProphaseD. Telephase |
| Answer» Correct Answer - B | |
| 223. |
Lysosomes are called suicidal bags because they haveA. Hydrolytic enzymesB. Parasitic activityC. Food vacuoleD. Catabolic enzymes |
| Answer» Correct Answer - A | |
| 224. |
Cyclosis is caused by activity ofA. MicrotubulesB. MicrofilamentsC. Intermediate filamentsD. All the above |
| Answer» Correct Answer - B | |
| 225. |
Amici (1818) studied cyclosis for the first time inA. HydrillaB. AmoebaC. CharaD. Acetabularia |
| Answer» Correct Answer - C | |
| 226. |
Golgi was able to differentiate Golgi apparatus throughA. Phase contrast microscopyB. Metallic impregnation techniqueC. Electron microscopyD. Special redox dye. |
| Answer» Correct Answer - B | |
| 227. |
Eucaryotic cells devoid of E.R. areA. Liver cellsB. Kindey cellsC. Mature leucocytesD. Mature erythrocytes. |
| Answer» Correct Answer - D | |
| 228. |
Percentage of cell membranes contained in E.R. isA. 10-20%B. 20-30%C. 30-60%D. 60-75% |
| Answer» Correct Answer - C | |
| 229. |
Particles of thylakoid membranes involved inA. QuantasomesB. `CF_(0)-CF_(1)`C. PhotosystemsD. Pyrenoids |
| Answer» Correct Answer - B | |
| 230. |
Pigment free plastids areA. ChloroplastsB. ChromoplastsC. LysosomesD. Leucoplasts |
|
Answer» Correct Answer - D Latest finding is that lysosome is formed by joint activity of Golgi apparatus and endosomes from plasmalemma. |
|
| 231. |
Cell membrane is visible underA. Electron microscopeB. Optical microscopeC. Both optical and electron microscopeD. Oil immersion lens |
|
Answer» Correct Answer - A Optical microscope cannot observe plasmalemma. However, it is inferred from studies on plasmolysis, crenation , bursting , etc. |
|
| 232. |
Polytene chromosome was first observed byA. Stevens and WilsonB. Heitz and BauerC. BalbianiD. Khorana |
| Answer» Correct Answer - C | |
| 233. |
Leuoplasts are present inA. Green cellsB. Pigmented cells other then greenC. Non-pigmented cellsD. Both A and B |
| Answer» Correct Answer - C | |
| 234. |
Which of the following is covered by a single membraneA. NucleusB. MitochondriaC. PlastidsD. Sphaerosomes |
| Answer» Correct Answer - D | |
| 235. |
Organelle covered by double membrane isA. NucleusB. MitochondrionC. PlastidD. All the above |
| Answer» Correct Answer - D | |
| 236. |
The latest model of plasma membrane isA. Lamellar modelB. Unit membrane modelC. Fluid mosaic modelD. Molecular lipid model |
| Answer» Correct Answer - C | |
| 237. |
Which is correctA. Elaioplasts store starch whereas aleuroplasts store proteinsB. Acrocentric chromosomes have only one armC. The core of cilium or flagellum is the basal bodyD. Mambranous extension into cytoplasm in cynobacterium which contains pigments are called chromotophores. |
| Answer» Correct Answer - D | |
| 238. |
Study the following list and find out the correct match A. a-iv,b-v,c-I,d-iiB. a-v,b-iv,c-ii,d-iiiC. a-v,b-I,c-iv,d-iiD. a-v,b-ii,c-iii,d-iv |
| Answer» Correct Answer - C | |
| 239. |
The term episome refers to a type ofA. PlasmidB. cell wallC. MembraneD. Gene |
| Answer» Correct Answer - A | |
| 240. |
Export house/firm of cell isA. E.R.B. Golgi bodyC. NucleusD. Lysosome |
| Answer» Correct Answer - B | |
| 241. |
Which one of the following cellular parts is correctly describedA. Thylakoids -Flattened membranous sacs forming grana7B. Centrioles-Sites for active RNA synthesisC. Ribosomes -There is chloroplasts are larger (80 S) while those in cytoplasm are smaller (70 S)D. Lysosomes -Opimally active at 8.5 p.H |
| Answer» Correct Answer - A | |
| 242. |
Nucleolus was discovered byA. Robert BrownB. LeeuwenhoekC. Robert HookeD. Fontana |
| Answer» Correct Answer - D | |
| 243. |
Nucleolus containsA. Genetic insturctionsB. Ribsome assemble lineC. Protein synthesis machineryD. Enzymes for polysaccharide formation. |
| Answer» Correct Answer - B | |
| 244. |
Mitochondria are absent inA. BacteriaB. Red AlgaeC. Green AlgaeD. Brown Algae |
| Answer» Correct Answer - A | |
| 245. |
Pattern of organisation in centrioles isA. 9+0B. 9+3C. 9+2D. 9+3 |
| Answer» Correct Answer - C | |
| 246. |
Nucleolus is formed fromA. NucleusB. Nuclear sapC. Sat chromosomeD. Giant chromosome |
| Answer» Correct Answer - C | |
| 247. |
The chloroplasts of algae usually lackA. QuantasomesB. LamellaeC. PigmentsD. Grana |
| Answer» Correct Answer - D | |
| 248. |
Oxidative electron transport occurs inA. ChloroplastsB. Outer membrane of mitochondriaC. CristaeD. Endoplasmic reticulum |
| Answer» Correct Answer - C | |
| 249. |
Components of nucleolus areA. Karyotheca, nucleolus , chromatin, nucleoplasm and nuclear matrixB. Nuclear envelope , nucleolus, chromatin nad nucleoplasmC. Nuclear envelope, nucleoplasm and chromatinD. All the above |
| Answer» Correct Answer - A | |
| 250. |
Nucleolus isA. Rounded structure found in cytoplasm near nucleusB. Rounded structure inside nucleus and having rRNAC. Rod-shaped structure in cytoplasm near the nucleusD. None of the above |
| Answer» Correct Answer - B | |