InterviewSolution
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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.
| 301. |
Viruses are not affected by antibiotics becauseA. they have no metabolism of their ownB. they have no cytoplasm and genetic materialC. they are nonliving entitiesD. they are obligate superparasites |
| Answer» Correct Answer - A | |
| 302. |
Pick up the wrong statementA. Cell wall is absent in AnimaliaB. Protista have photosynthetic and heterotrophic modes of nutritionC. Some fungi are edibleD. Nuclear membrane is present in monera. |
| Answer» Correct Answer - D | |
| 303. |
Which of the following gaseous atoms has highest value of `IE`?A. PB. SiC. MgD. Al |
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Answer» Correct Answer - A Since, stable half filled configuration. |
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| 304. |
Among the following options , the sequence of increasing first ionisation potential will beA. `BltCltN`B. `BgtCgtN`C. `CltBltN`D. `NgtCgtB` |
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Answer» Correct Answer - A `1^(st)` I.P. increases from left to right in a period. |
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| 305. |
Which of these have no unitA. ElectronegativityB. Electron affinityC. Ionisation energyD. Excitation potential |
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Answer» Correct Answer - A Electronegativity is the property of a bonded atom. The relative tendency of an atom to attract the shared pair of electron toward itself is called electronegativity. |
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| 306. |
If the difference in electronegativities of two elements is very large, thenA. The bond is 50% ionicB. The bond is 100% covalentC. The bond is more covalent than ionicD. The bond is more ionic than covalent |
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Answer» Correct Answer - D If the difference in electronegativities of two elements is very high then the bond is more ionic than covalent. |
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| 307. |
Which of the following organisms possessses characteristics of a plant and an animal ?A. EuglenaB. ParamoeciumC. BacteriaD. Mycoplasma |
| Answer» Correct Answer - A | |
| 308. |
Cell wall is made of polysaccharide and amino acid in most of the members ofA. MoneraB. ProtistaC. FungiD. Animalia |
| Answer» Correct Answer - A | |
| 309. |
A : DNase can inhibit the process of transformation. R : Transformation is absorption of DNA segment from the surrounding medium by a living bacterium.A. If both assertion & reason are true and the reason is the correct explanation of the assertionB. If both assertion & reason are true but the reason is not the correct explanation of the assertionC. If assertion is true statement but reason is falseD. If both assertion and reason are false statements |
| Answer» Correct Answer - B | |
| 310. |
Mark the correct statement.A. Phycomycetes include mushrooms, bracket fungi or puff ballsB. The mycelium of basidiomycetes is branched and septateC. Neurospora is used extensively in biochemical and genetic work, it belong to group basidiomycetesD. Morels and truffles are non-edible |
| Answer» Correct Answer - B | |
| 311. |
Select incorrect statement w.r.t. eubacteriaA. Have very simple structureB. Peptidoglycan nature of cell wallC. Heterotrophs are most abundant in natureD. Show most simple metabolic diversity |
| Answer» Correct Answer - D | |
| 312. |
Mark the correct match :A. Amoeboid protozoan - All endoparasiteB. Flagellated protozoan - ParamoeciumC. Sporozoan - Absence of locomotory structureD. Ciliated protozoan - Entamoeba |
| Answer» Correct Answer - C | |
| 313. |
Find odd one w.r.t. phototrophic nutritionA. Chromatium and ChlorobiumB. Rhodopseudomonas and ThiospirilliumC. Chloronema and ChloroflexusD. Pseudomonas and Clostridium |
| Answer» Correct Answer - D | |
| 314. |
Mark the odd one (w.r.t. fungi)A. Unicistemal golgi bodiesB. Show a great diversity in morphology and habitatC. Most of the members are aquaticD. Reverse fodd material is stored in the form of oil and glycogen |
| Answer» Correct Answer - C | |
| 315. |
Which of the following is correct ?A. All slime moulds are haploidB. Protozoans-lack cell wallC. Dinoflagellates are non-motileD. Pellicle is absent in Euglena |
| Answer» Correct Answer - B | |
| 316. |
Select the non-protistan group.A. Slime mouldsB. DinoflagellatesC. PhycomycetesD. Chrysophytes |
| Answer» Correct Answer - C | |
| 317. |
How can archaebacteria live in harish conditions ? |
| Answer» Because, archaebacteria have different cell wall structure than other bacteria | |
| 318. |
Photosynthetic pigment in cyanobacteria is____________. |
| Answer» Correct Answer - Chlorophyll a | |
| 319. |
Most of the lichens consist ofA. Green algae and ascomycetesB. Brown algae and higher plantC. Blue green algae and basidiomycetesD. Red algae and ascomycetes |
| Answer» Correct Answer - A | |
| 320. |
The disease associated with prionsA. kuru (laughing death)B. mad cow disease and scrapie of goat and sheepC. Creutzfeldt Jakob disease (CJD) of manD. all of the above |
| Answer» Correct Answer - D | |
| 321. |
Prions are viruses that have onlyA. protein coat and no nucleic acidB. core of nucleic acidC. lipoprotein coatD. few genes |
| Answer» Correct Answer - A | |
| 322. |
The virus replicated in arthropod, whith is its intermediate host and then goes to its permanent host, which is vertebrate, is calledA. Papova virusB. Reo virusC. AdenovirusD. Parvovirus |
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Answer» Correct Answer - B Arthropod borne viruses are called arboviruses. These are Rna viruses. They include Toga viruses, causing chikunguniy, Rubella, Flaviviruses causing dengue and yellow fever encephalitis, Buniya viruses causing sandfly fever, reoviruses and rhabdoviruses. These arboviruses are either mosquito (Aedes, Culex), or ticks or sandfly borne. Reoviruses are dsRNA viruses. They include reovirus, orbivirus and rotavirus. |
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| 323. |
AIDS was first reported inA. RussiaB. IndiaC. Bangla DeshD. USA |
| Answer» Correct Answer - D | |
| 324. |
Procaryotic cells have a volume range ofA. 0.2 to `10 mu m^(3)`B. `100-1000 mu m^(3)`C. `1000-10000 mu m^(3)`D. `0.01-0.1 mu m^(3)` |
| Answer» Correct Answer - A | |
| 325. |
Volume of an average eucaryotic cell isA. `10-100 mu m^(3)`B. `100-1000 mu m^(3)`C. `200-2000 mu m^(3)`D. `1000-10000 mu m^(3)` |
| Answer» Correct Answer - D | |
| 326. |
Metazoa is characterised byA. Unicellular animalsB. Colonial animalsC. Multicellular animalsD. Multicellular decomposers |
| Answer» Correct Answer - C | |
| 327. |
AIDS is characterised byA. reduction in number of killer T cellsB. failure of immune systemC. reduction in number of helper `T_(4)` lymphocytes to less than 200/ml bloodD. interferon fails to be formed |
| Answer» Correct Answer - C | |
| 328. |
Interchangeable terms areA. Taxon and CategoryB. Taxonomy and SystematicsC. Species and SubspeciesD. Genus and Species |
| Answer» Correct Answer - B | |
| 329. |
The book written by Theophrastus isA. Historium PlantarumB. Historia BotaneC. BotaneD. Systema Naturae |
| Answer» Correct Answer - A | |
| 330. |
What is the name of rust fungus ? |
| Answer» Correct Answer - Puccinia | |
| 331. |
What is the name of bread mould ? |
| Answer» Correct Answer - Rhizopus | |
| 332. |
Name the asexual reproductive spores in fungi. |
| Answer» Conidia or sporangiospores or zoospores. | |
| 333. |
Name the kingdom system proposed by R.H. Whittaker. |
| Answer» Five Kingdom System. | |
| 334. |
Neosystematics is based onA. Morphology and anatomyB. Cytology and biochemistryC. GeneticsD. All the above. |
| Answer» Correct Answer - D | |
| 335. |
Cytotaxonomy is a form ofA. Classical systematicsB. New systematicsC. Morpho-systematicsD. All the above. |
| Answer» Correct Answer - B | |
| 336. |
Classification based on chromosome study of organisms isA. Biochemical taxonomyB. KaryotaxonomyC. Numerical taxonomyD. Experimental taxonomy. |
| Answer» Correct Answer - B | |
| 337. |
Adansonian taxonomy brings out relationships with the help ofA. Statistics of all known traitsB. Evolutionary tendenciesC. Similarities and dissimilaritiesD. All the above. |
| Answer» Correct Answer - D | |
| 338. |
Biochemical taxonomy is based onA. Study of chromosomesB. Study of statisticsC. Study of proteins and serumD. Experimental determination of genetic relationships. |
| Answer» Correct Answer - C | |
| 339. |
Taxonomy based on determination of genetic relationship isA. CytotaxonomyB. Numberical taxonomyC. Biochemical taxonomyD. Experimental taxonomy. |
| Answer» Correct Answer - D | |
| 340. |
System of classification used by Linnaeus wasA. Natural systemB. Artificial systemC. Phylogenetic systemD. Asexual system. |
| Answer» Correct Answer - B | |
| 341. |
Enzymes are not found inA. FungiB. AlgaeC. VirusD. Cyanobacteria |
| Answer» Correct Answer - C | |
| 342. |
Viruses are living, because theyA. Multiply in host cellsB. Carry anaerobic respirationC. Carry metabolic activitiesD. Cause infection |
| Answer» Correct Answer - A | |
| 343. |
The latest view about the origin of viruses is that virusesA. arise from nucleic acid and proteins in sea waterB. arise from bacteria by loss of cell wallC. arise from archaebacteriaD. arise from plasmid/episome as free genes. |
| Answer» Correct Answer - D | |
| 344. |
All viruses are essentially made up ofA. RNA + proteinsB. RNA or DNA+ proteinsC. RNA + non-histone proteinsD. nucleic acids and proteins |
| Answer» Correct Answer - B | |
| 345. |
Which has the most stable `+2` oxidation state ?A. SnB. PbC. FeD. Ag |
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Answer» Correct Answer - B `Pb^(2+)(5d^(10)6s^(2))`, has the most stable +2 oxidation state because here the d-orbital is completely filled and is more stable than `Fe^(2+)(3d^(6))`. Again `Ag^(+)(4d^(10))` is more stable as here again the d-orbital is completely filled and `Ag^(2+)` is not easily obtained. `Pb^(2+)` is more stable compared to `Sn^(2+)(4d^(10)5s^(2))` because of its large size. |
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| 346. |
The stable bivalency of Pb and trivalency of Bi isA. Due to d contraction in Pb and BiB. Due to relativistic contraction of the 6s orbitals of Pb and Bi, leading to inert pair effectC. Due to screening effectD. Due to attainment of noble configuration |
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Answer» Correct Answer - B In the last element of the group, after the removal of electrons from p-orbitals, the remaining `ns^(2)` electrons behave like stable noble gas and do not take part in compound formation. This reluctance of the s- electron pair to take part in chemical combination is called inert pair effect. Thus, for the elements at the bottom of a group, lower oxidation state is more stable. |
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| 347. |
Assertion : Atomic number of the element ununbium is 112. Reason : Name for digits 1 and 2 is un-and bi-respectively in latin words.A. If both assertion and reason are true and the reason is the correct explanation of the assertionB. If both assertion and reason are true but reason is not a correct explanation of the assertionC. If assertion is true but reason is falseD. If the assertion and reason both are false |
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Answer» Correct Answer - A Both assertion and reason are true and reason is the correct explanation of assertion. |
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| 348. |
Four kingdom system of classification was given byA. HaeckelB. LinnaeusC. CopelandD. Whittaker |
| Answer» Correct Answer - C | |
| 349. |
Choose the correct option(s)A. Oxygen has highest electron gain enthalpy among chalcogensB.C.D. |
| Answer» Correct Answer - B::D | |
| 350. |
Which of the following is/are correct pair regarding size ?A. `Zn gt Cu`B. `N gt O`C. `Al gt Ca`D. `B gt C` |
| Answer» Correct Answer - A::D | |