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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.
| 201. |
Which of the following may be used in the reclaimation of soil?A. MycoplasmaB. MethanogensC. NostocD. E.coli |
| Answer» Correct Answer - C | |
| 202. |
Which of the following is a vascular cryptogamA. CedrusB. EquisetumC. GinkgoD. Marchantia |
| Answer» Correct Answer - B | |
| 203. |
In thallophyta main plant body is :-A. GametophyteB. SporophyteC. Diploid plant bodyD. Leafy plant body |
| Answer» Correct Answer - C | |
| 204. |
Embryo is not formed in thallophyta due to :-A. Zygotic meiosisB. Zygotic mitosisC. Sporangial meiosisD. Gametic meiosis. |
| Answer» Correct Answer - A | |
| 205. |
Sexual reproduction in Thallophyta takes place by :-A. IsogamyB. AnisogamyC. OogamyD. Any of the above |
| Answer» Correct Answer - D | |
| 206. |
Which of the following order of gymnosperme is totally become extinct ?A. CycadalesB. GinkgoalesC. GnetalesD. Cycadofilicales |
| Answer» Correct Answer - D | |
| 207. |
Among the following plant group which has independent gametophyte and sporophytes?A. BryophytaB. PteridophytaC. GymnospermsD. Angiosperms |
| Answer» Correct Answer - B | |
| 208. |
Match the contents of column-I with those of column-II |
| Answer» Correct Answer - D | |
| 209. |
Organisms called Methanogens are most abundant in aA. Hot springB. Sulpher rocjkC. Cattle yardD. Polluted stream |
| Answer» Correct Answer - C | |
| 210. |
The antibiotic penicillian affects bacterium to stop:-A. Protein synthesisB. Cell wall synthesisC. DNA replicationD. Plasmamembrane synthesis |
| Answer» Correct Answer - B | |
| 211. |
Thermococcus, Methanobacterium exemplify,A. Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondriaB. Bacteria that contains a cytoskeletoon and ribosomesC. Archaebacteria that contain protein homologous to eukaryotic core histonesD. Archaebacteria that lack any histones resembling those found in eukaryoes but whose DNA is negatively supercoiled. |
| Answer» Correct Answer - C | |
| 212. |
Which group is largest in gymnosperms ?A. CycadalesB. GnetalesC. ConiferalesD. cordaitales |
| Answer» Correct Answer - C | |
| 213. |
Which of the following unicellular algae reproduce by auxospores, have silicified cell wall and store food in the form of fats, leucosine and chrysolaminarin ?A. DiatomsB. Red AlgaeC. DinoflagellatesD. Euglenoids |
| Answer» Correct Answer - A | |
| 214. |
An organism used as a biofertilizer for raising soyabean crop is:-A. AzotobacterB. AzospirilliumC. RhizobiumD. Nostoc |
| Answer» Correct Answer - C | |
| 215. |
Which one of the following has haplontic life cycleA. WheatB. FunariaC. PolytrichumD. Ustilago |
| Answer» Correct Answer - D | |
| 216. |
Viruses haveA. DNA enclosed in a protein coatB. Prokaryotic nucleusC. Single chromosomesD. Both DNA and RNA |
| Answer» Correct Answer - A | |
| 217. |
Professor K.C.Mehta is known for his contribution in :-A. BryologyB. Plant physiologyC. VirologyD. Plant pathology |
| Answer» Correct Answer - D | |
| 218. |
The sac fungi belongs to :-A. AscomycetesB. BasidiomycetesC. PhycomycetesD. Deuteromycetes |
| Answer» Correct Answer - A | |
| 219. |
Ergot fungi belongs to :-A. AscomycetesB. BasidiomycetesC. PhycomycetesD. Deuteromycetes |
| Answer» Correct Answer - A | |
| 220. |
For Bryophytes, select the incorrect statement in the following:A. the plant body of liverworts is thalloid and erect.B. Mosses have upright, slender axis bearing spirally arranged leaves.C. Spores germinate to form gametophyteD. The zygote produces a sporophyte. |
| Answer» Correct Answer - A | |
| 221. |
Find the incorrect match:- |
| Answer» Correct Answer - C | |
| 222. |
Select incorrect statement about fungi?A. The cell walls are composed of chittin and polysaccharidesB. These are heterotrophic organismsC. They are autotrophic organismD. They are absorptive in nature |
| Answer» Correct Answer - C | |
| 223. |
Typhoid and tetanus are caused by:-A. BacteriaB. VirusC. ViroidsD. Fungi |
| Answer» Correct Answer - A | |
| 224. |
Orange rot is caused byA. BacteriumB. fungusC. CitrusD. Mycoplasma |
| Answer» Correct Answer - B | |
| 225. |
Assertion: Chemosynthetic autotrophic bacteria play a great rolie in recycling nutrients like nitrogen, posphorous, iron and sulphur. Reason: Chemosynthetic autotrophic bacteria oxidise various inorganic substances to obtain energy.A. If both assertion and Reason are true and the reason is a correct explanation of the assertion.B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.C. If Assertion is True but the Reason is False.D. If both Assertion and Reason are False. |
| Answer» Correct Answer - A | |
| 226. |
Free living nitrogen-fixing bacteria are found in-A. AirB. SoilC. Root nodulesD. None of the above |
| Answer» Correct Answer - B | |
| 227. |
The bacteria which are associated with some plant roots nad fix atmosphere nitrogen are:-A. AzotobacterB. E.coliC. RhizobiumD. Pseudomonos |
| Answer» Correct Answer - C | |
| 228. |
Vessels and Companion cells are characteristics ofA. PteridophytaB. GnetumC. EphedraD. Angiosperm |
| Answer» Correct Answer - D | |
| 229. |
Most of the gymnosperms haveA. Both archegonia and antheridiaB. Antheridia but no archegoniaC. Archegonia but no antheridiaD. No antheridia or archegonia |
| Answer» Correct Answer - C | |
| 230. |
Protonema and prothallus are respectively:-A. Diploid and HaploidB. Diploid and DiploidC. Haploid nad DiploidD. Haploid and Haploid |
| Answer» Correct Answer - D | |
| 231. |
Refer following figures to answer the forthcoming practical questions A group of freely interbreeding organisms constituteA. SpeciesB. GenusC. FamilyD. Taxon |
| Answer» Correct Answer - A | |
| 232. |
ICBN stands forA. Indian code of Botanical NomenclatureB. Indian Congress of Biological NamesC. International Code of Botanical NomenclatureD. International Congress of Biological Names |
| Answer» Correct Answer - C | |
| 233. |
Megasporangium is equivalent to:A. OvuleB. Embryo sacC. FruitD. Nucellus |
| Answer» Correct Answer - A | |
| 234. |
Isogamous condition with non-flagallated gametes is found in:A. FucusB. ChlamydomonasC. SpirogyraD. Volvox |
| Answer» Correct Answer - C | |
| 235. |
Green algae are consists as ancestors of higher plants due to their resemblance with higher plants in :-A. PigmentsB. Cell wallC. Stored foodD. All of the above |
| Answer» Correct Answer - D | |
| 236. |
Harmful activity of Blue green algae is :-A. DenitrificationB. Water-bloomC. Increase alkalinity of soilD. Decrease fertility of soil |
| Answer» Correct Answer - B | |
| 237. |
Which plant group is exclusively perennial ?A. DicotsB. FernsC. GymnospermsD. Monocots |
| Answer» Correct Answer - C | |
| 238. |
Organism of which kingdom feed like animals and perform photosynthesis like plants :-A. MoneraB. ProtistaC. MycotaD. Animalia |
| Answer» Correct Answer - B | |
| 239. |
Which group of plants is exclusively arborescent (woody) ?A. PteridophytaB. DicotsC. GymnospermsD. Monocots |
| Answer» Correct Answer - C | |
| 240. |
Modern day (Advanced) plants are :-A. MonocotsB. DicotsC. GnetalesD. Ferns |
| Answer» Correct Answer - A | |
| 241. |
Some hyperthermophilic organisms that grow in highly acidic `(pH2)` habitats belong to the two groupsA. Liverwoods and yeastsB. Eubacteria and archaeaC. Cyanobacteria and diatomsD. Protists and mosses |
| Answer» Correct Answer - B | |
| 242. |
Assertion: Alage can bridge the gap between demand and supply of proteinaceous diet, worldwide. Reason: Chlorella and Spirullina are unicellular proteinaceous food suppliment.A. If both assertion and Reason are true and the reason is a correct explanation of the assertion.B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.C. If Assertion is True but the Reason is False.D. If both Assertion and Reason are False. |
| Answer» Correct Answer - A | |
| 243. |
A dinoflagellate which is also known as sea ghost.A. EuglenaB. CeratiumC. NoctilucaD. Gonyaulax |
| Answer» Correct Answer - C | |
| 244. |
Female sex organ of algae is called :-A. CarpelB. OogoniumC. ArchegoniaD. Oosphere |
| Answer» Correct Answer - B | |
| 245. |
In bacteria, plasmid is:-A. Extra chromosomal materialB. Main DNAC. Non functional DNAD. Repetative gene |
| Answer» Correct Answer - A | |
| 246. |
Nitrifying bacteria:-A. Oxidize ammonia to nitratesB. Convert free nitrogen to nitrogen compoundsC. Convert proteins into ammoniaD. Reduce nitrates to free nitrogen |
| Answer» Correct Answer - A | |
| 247. |
Gymnosperms include:A. Medium sized treesB. Tall treeC. ShrubsD. All the above |
| Answer» Correct Answer - D | |
| 248. |
In gymnosperms the pollen chamber representsA. The microsporangium in which pollen grains developB. A cell in the pollen grain in which the sperms are formedC. A cavity in the ovule in which pollen grains are stored after pollinationD. An opening in the megagametophyte through which the pollen tube approaches the egg. |
| Answer» Correct Answer - C | |
| 249. |
Which of the following platn form seed and have pollen tube ?A. AngiospermB. PteridophytesC. GymnospermD. Siphonogamous plants |
| Answer» Correct Answer - D | |
| 250. |
Match the column I with column II A. i-b, ii-c, iii-a, iv-dB. i-b, ii-d, iii-a, iv-cC. i-a, ii-d, iii-c, iv-bD. i-c, ii-a, iii-b, iv-d |
| Answer» Correct Answer - A | |