BT201 Final Term MCQs by Amaan Khan

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

in physical and chemical conditions across aquatic and terrestrial environment can account

for significant portion of the diversity among plank tonic 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 parsimony assumes that the (appearances of shared derived characters) is the most

likely the Tree that requires the fewest evolutionaryevents

16. Oparin in 1924 gives
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
20. Not Positive interaction

Competition

21. type of natural selection which favors more than two extreme phenotypes is Disruptive

selection

4.

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
25. Vertebrates make % of total animals

5%

26. Gymnosperms means
27. Protozoa reproduce except
28. Number of alleles in a sample population is called
29. One of the first questions that is asked when a species is considered for whole-genome sequencing

is What 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
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

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

43. Possibility of working with molecules on the scale of few micrometers is

Micro technology

40.

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 genome Pre-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 mosaic Vegetative

51. occur on nearly exposed geological substrate not significantly modified by

organism Primary 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 community Web

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

competition Lotka and Volterra

59. explored the extent and sources of morphological variation in plant population including

both the influence of environment and genetics Clausen, 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

structure Genetic and Phenotypic effects

62. soon found that even these so-called simple communities included very complex feeding

relations Charles Elton (1927)