BT201 MCQs

BT201 FINAL TERM MCQS

1. On Island and habitat patches on continents __Species richness increases with area and decreases with isolation
2. Succession in the intertidal zone require______1 to 3 years
3. Highest rate terrestrial primary production occur under___Warm and Moist Conditions
4. _______ in physical and chemical conditions across aquatic and terrestrial environment can account for significant portion of the diversity among planktonic algae and terrestrial plants__Heterogeneity
5. The refuges that promote the persistence of hosts and prey include____ Secure places to which the

exploiter has limited access

6. The environment Limits population growth by____ Changing Birth and Death rates
7. An environment in which resources are patchy also fosters____ Clumped Distribution
8. Eusociality is______ More complex level of social behavior, which is considered to be the pinnacle of social evolution
9. The most familiar relative measures of water content of air is_____ Relative humidity
10. The rate at which organism can take in energy is___ either by external or internal constraints

Limited

11. The earth ecosystem interacting with physical environment as a whole maintained a steady state system intermediate in the flow of energy between the high energy input of the sun and thermal sink of space is called______ Biosphere
12. 1st multi-cellular organism found in China as carbonaceous filament were___ 1.8 Billion years
13. Multicellular algae appear as carbonaceous filament from______ old rock of china_1.8 Billion years
14. Human is in which order___ Primate
15. Maximum parsimonyassumes that the ______(appearances of shared derived characters) is the most

likely the Tree that requires the fewest evolutionaryevents

16. Oparin in 1924 gives_____ Primeval soup theory
17. In 18th Century, Carolus Linnaeus published a system of taxonomy on resemblance____Two-part

names of species and hierarchical classification

18. One of the following is not example of horizontal gene transfer____ Conjunction
19. Which one of the following is not one of the positive interactions on microbe______ Amensalism
20. Not Positive interaction ________ Competition
21. _____type of natural selection which favors more than two extreme phenotypes is Disruptive

selection

22. Which one of the following is not one of the advantages of in situ conservation______ The Species

have less space

23. The advantage of in-situ conservation except_______ The specie will not evolve in their environment.
24. Which of the following is not common extension of omics_____ Vaccinomics
25. Vertebrates make ______ % of total animals 5%
26. Gymnopserms means______ Naked seeds
27. Protozoa reproduce except_____ Parthenogenesis
28. Number of alleles in a sample population is called _____ Allelic richness
29. One of the first questions that is asked when a species is considered for whole-genome sequencing

isWhat is the size of its genome?

30. Modern bread wheat is a mixture of recombined genes from _______ different wild species

3Three

31. Quinine is a drug used to treat_______Malaria
32. Annelids are not_______ Predator
33. Specie differ from foundation species is that they are likely to belong to___________ higher

trophic levels

34. The_____ technique has now been replaced by sequencing using a mass spectrometry_____

laborious edman degradation

35. The first genome sequenced completely was that of______Homophilus influenza
36. To assemble a genome from a series of sequences requires tremendous____ Computational Power
37. Community structure is measured by_______ Species richness and diversity
38. A resilient community or ecosystem may be _____ disrupted by disturbance but quickly return to former state______Completely
39. The ability to bounce back after disturbance is called______ Resilience
40. _____demonstrated that the influence of consumers on community structure depends upon their feeding preferences, their local population density, and the relative competitive abilities of prey species____ Jane lubchenko
41. Notochord is present throughout life or at least during embryonic stages in____ Chordates
42. The field of biology specially in developing hardware and software to store and analyze the huge amount of data generated by life science is called ___ Bioinformatics
43. Possibility of working with molecules on the scale of few micrometers is___ Micro technology
44. Phylogenetic Trees are evaluated in order to find the relationship among _________ Species,

Phylum, Family, (All of given)

45. Field experiment has______ points 4 Four
46. There are so-called _____that may be used to identify ecological important genes in incompletely characterized genomePre-genomic molecular approaches
47. ________ are using these new tools to study large scale dynamic ecological phenomenon such as interannual variation_____ Ecologists
48. The local population is density of the Glanville Fritillary______Melitaeacinxia, is lower on larger and on isolated habitat patches_______ Butterfly
49. _______cells are combination of proteins synthesizing systemEukaryotic
50. Sonoran desert plant distribution map clearly on the soils of different ages and form a ______ mosaic that closely matches soil mosaicVegetative
51. _______ occur on nearly exposed geological substrate not significantly modified by organismPrimary Succession
52. Supporting evidence for endosymbiosis except_____ Comes from studies of livingprokaryotic cells
53. ______can be used to detect long-term ecological changes_____Repeat Photography
54. Who worked on the developing of paleontology___ Smith, Buckland, Cuvier, Brongniart
55. A food______ summarizes the feeding relation in a communityWeb
56. ______ proposed the feeding activities of few species have inordinate influence on community structure ______ Robert Paine
57. Hardy-Weinberg principle conditions necessary to maintain constant alleles frequencies in a population except______ Immigration
58. ________independently expanded the logistic model of population growth to represent interspecific competitionLotka and Volterra
59. ________explored the extent and sources of morphological variation in plant population including both the influence of environment and geneticsClausen, Keck, and Hiesey
60. The validity of field experiments depend upon several design features except_______ Knowledge

of final conditions

61. Populations include_______ variations among individuals which are significant aspect of population structureGenetic and Phenotypic effects
62. _________soon found that even these so-called simple communities included very complex feeding relationsCharles Elton (1927)