Q. Five kingdom system of classification suggested by R.H. Whittaker is NOT based on: Presence or absence of a well-defined nucleusMode of reproductionMode of nutritionComplexity of body organization Answer: Presence or absence of a well-defined nucleus

Q. Specialized cells for fixing atmospheric nitrogen in Nostoc are AkinetesHeterocystsHormogoniaNodules Answer: Heterocysts

Q. The asexual spores are not found, vegetative reproduction occurs by fragmentation and sexual organs are absent. Identify the class of fungi. PhycomycetesAscomycetesBasidiomycetesDeuteromycetes Answer: Basidiomycetes

Q. Which amongst kingdom animalia has become recently extinct? snow leopardindian macaquecheetahtiger Answer: cheetah

Q. Bacteria that live in hot springs are called HalophilesThermoacidophilesMethanogensNone of the above Answer: Thermoacidophiles

Q. Red tides in sea appear due to EuglenaChrysophytesDinoflagellatesDiatoms Answer: Dinoflagellates

Q. Which of the following is an indicator of air pollution? MycorrhizaAgaricusLichensCommon mushrooms Answer: Lichens

Q. Two organisms of the same class but different families will be kept under the same generaspeciesorderfamily Answer: order

Q. Quinine is obtained from PucciniaNeurosporaGonyaulaxCinchona Answer: Puccinia

Q. According to five-kingdom classification, which of the following does not contain nuclear membrane? ProtistaMoneraFungiAnimalia Answer: Monera