Biology Fsc Part 1 Online Test With Answers

Biology Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 the extremophiles which can thrive in low pH are called. Thermophiles Acidophiles Halophiles All of these
2 The structure in bacterial that helps in genetic diversity and adaptation is. Plasmids Pili Flagella fimbriae
3 Which one of the following does not belong to archaea. Firmicutes Methanogenes Thermococci Halobacteria
4 Which process is the sole propea do not haverty of archaecans that bacteria and eukary Photosynthesis Methanogenesis Cellular respiraton  Nitrogen fixation 
5 The archaeans which are vital part of sweage treatment are. Methanogens Halobacteria Thermococci Thaumarchaeota
6 Which of the following is not present in the cell walls of archaea. Peptidoglycean Polysaccharides Proteins Both a and b
7 the lipids in the cell memebranes of bacterial and eukarya have fatty acis attached to glycerol by................... Easte linkage Glyosidic linkage Phospho diester linkage Ether linkage
8 The cell memberanes of archaea contain lipids with...............between glycerol and fatty acid chains. Glycosideic linkage Ether linkage Peptide bond Easter linkage
9 The archaeans which form aggregates or filamaments.........in length. 125 micrometer 200 micrometer -100 micro meter 150 micrometer
10 Individual archaeans range from 0.1 micro meter to over....................indiameter 15 micrometer 10 micro meter 20 micro meter 25 micro meter
11 What type of speciation occurs when populations are geographically separated by a physical barrier. Sympatric Speciation Parapatric Speciation Allopatric Speciation Peripatric Speciation 
12 Which of the followig statements is true regarding the concept of a species. A seciesl is always defined by its physical characteristis alone Differente species can interbreed and produce fertile offspring Members of the sme species are reproductively isolated fro members of other species The concept of a species can be defined solely based on genetic similarity
13 Domains sugested by Carl Woese in a 1990 ncludes. Domain Archaea Domain Bacteria Domain Eukarya All of above
14 Who suggested that there are teh separate groups of prokeryotes. Carl Woese F. Sanger Robert Whittaker Frederich Meischer
15 Which method is best suited for assessing the distribution of species  across a gradient of envirronmental condition within a single geographical area. Quadrat Sampling Transect Sampling Transect Sampling Remote sensing
16 At which level of biodiversity assessment do we evaluate the variety of different species within a articular habitat or ecosystem Genetic diversity Specisl diversity Ecosystem diversity Funcitional diversity
17 Which virus group includes viruses such an Coronaviruses and influenza viruses. Double stranded DNA Viruses Single strande dna Viruses double stranded RNA Viruses Sing stranded RNA Viruses
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