In the name of ALLAH, the most beneficient, the most merciful

Ecology, Biodiversity & Evolution-II (BT201)

Multiple Choice Questions (MCQs)

Objective Questions

  1. The complete and published genomes of nemaoda by June 2005.

    1. 12
    2. 2
    3. 23
    4. 34
  2. Recent research in Kenya has shown that a crayfish controls the ________.

    1. Crabs
    2. Snails
    3. Squids
    4. Cockroach
  3. Reported that the differences in growth form were the result of temporary adjustments to environmental variation and not hereditary changes in the experimental plants.

    1. Turesson
    2. Morgan
    3. Kerner
    4. Bonnier
  4. The complete and published genomes of Pisces by June 2005.

    1. 122
    2. 102
    3. 03
    4. 01
  5. The first biologists to conduct thorough studies of phenotypic and genotypic variation of plants was ________.

    1. Keck
    2. Morgan
    3. Kerner
    4. Bonnier
  6. One of the best predictors of intrinsic rate of increase (rm) is ________.

    1. Body size
    2. breathing rate
    3. Running speed
    4. Cell Degeneration
  7. ________ replicated field experiments to study natural selection for changes in morphology in Anolis populations.

    1. Frankham
    2. Warhelt
    3. Saccheri
    4. Ledig
  8. A state of reduced metabolism that may last several months.

    1. Hibernation
    2. Tropor
    3. Basking
    4. Estivation
  9. The complete and published genomes of insecta by June 2005.

    1. 12
    2. 2
    3. 23
    4. 4
  10. Human genome project the assembled the ________ -billion bp of DNA.

    1. 4.50
    2. 3.12
    3. 5.56
    4. 2.90
  11. Camel and ________, use similar mechanisms to survive in arid climates.

    1. Saguaro cactus
    2. Barrel Cactus
    3. Kangroo rat
    4. Creosote Bush
  12. The rate of decomposition in terrestrial ecosystems increases with ________ content of litter.

    1. P
    2. N
    3. Ca
    4. K
  13. By june 2005 in Human Genome Project, no fewer than ________ eukaryotes were the subject of ongoing genome sequencing projects.

    1. 730
    2. 750
    3. 496
    4. 598
  14. The ________ reflects the environmental requirements of species.

    1. Habit
    2. Reproduction
    3. Food
    4. Niche
  15. On islands and habitat patches on continents, species richness ________ with area.

    1. decreases
    2. increases
    3. Both decreases and increases
    4. None of the given
  16. The complete and published genomes of Plants by June 2005.

    1. 4
    2. 6
    3. 9
    4. 11
  17. The water potential of pure water, which by convention is set at ________.

    1. 0
    2. 1
    3. 2
    4. 3
  18. The type of survivorship in which there is fairly constant probability of mortality throughout the life is called ________.

    1. Type II
    2. Type III
    3. Type I
    4. Type IV
  19. The complete and published genomes of tunicata by June 2005.

    1. 12
    2. 2
    3. 23
    4. 1
  20. By june 2005 in Human Genome Project, no fewer than ________ prokaryotic organisms and 496 eukaryotes were the subject of ongoing genome sequencing projects.

    1. 230
    2. 750
    3. 730
    4. 498
  21. ________ explored the unity of parts and their patterns of development-skeletons in different vertebrates.

    1. Lamark
    2. Hilaire
    3. Cuvier
    4. Brown
  22. Cladistics method was developed by ________.

    1. Jenn Wilson
    2. Wili Henning
    3. Jen Henning
    4. Wilson Bush
  23. Human disturbance also increases export of ________ from aquatic catchments.

    1. Nitrogen
    2. Carbon
    3. Bicarbonate
    4. Phosphorous
  24. Only ________ is a desert plant genus.

    1. Euphorbia
    2. Ardisia
    3. Encelia
    4. Erica
  25. Population densities in different regions vary from less than 1 person per square kilometre to nearly ________ persons per square kilometre.

    1. 2000
    2. 1000
    3. 250
    4. 2
  26. Though intense human disturbance reduces species diversity, moderate levels of disturbance may increase the diversity of some ________ such as the European chalk grasslands.

    1. Population
    2. Communities
    3. Phylum
    4. Genus
  27. The complete and published genomes of Kinetoplastida by June 2005.

    1. 1
    2. 5
    3. 4
    4. 2
  28. Expanded the logistic model of population growth to present interspecific competition.

    1. Hutchinson
    2. Lotkal
    3. Volterra
    4. Brick
  29. Secondary forest succession on the Piedmont Plateau takes about ________ years.

    1. 120
    2. 130
    3. 140
    4. 150
  30. ________ 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.

    1. Jane Lubchenko
    2. Charles Elton
    3. Robert Paine
    4. Stahl and Watson
  31. The number of organisms whose genome has been sequenced completely and published is now approaching ________.

    1. 200
    2. 300
    3. 560
    4. 233
  32. He added the concepts of the fundamental niche, the physical conditions under which a species might live in the absence of other species.

    1. Brick
    2. Lotka
    3. Volterra
    4. Hutchinson
  33. A state of low metabolic rate and lowered body temperature, when food is scarce and night temperatures cold.

    1. Hibernation
    2. Tropor
    3. Basking
    4. Estivation
  34. In 1997, ________% of the global human population was concentrated in Asia.

    1. 55.4
    2. 61.4
    3. 40
    4. 25
  35. He cited teeth in fatal baleen whales.

    1. Darwin
    2. Lamark
    3. Robert Hook
    4. Cuvier
  36. Reef-building corals depend upon mutualistic relationships with ________.

    1. Algae, plant
    2. Fungi and plants
    3. Algae and Fungi
    4. Algae and animals
  37. C4 and CAM plants are more ________ in their use of water than are C3 plants.

    1. efficient
    2. common
    3. strong
    4. weak
  38. Of the water in the biosphere, the polar ice caps and glaciers contain %________.

    1. 6
    2. 2
    3. 8
    4. 9
  39. The complete and published genomes of Myxomycota by June 2005.

    1. 67
    2. 23
    3. 1
    4. 6
  40. ________ may enter a state of torpor.

    1. Crocodiles
    2. Turtles
    3. Hummingbirds
    4. Lizards
  41. He found that even the so-called simple communities included very complex feeding relations.

    1. Jane Lubchenko
    2. Charles Elton
    3. Boras Jones
    4. Robert Paine
  42. The turnover of water in the various reservoirs of the hydrologic cycle ranges from only 9 days for the atmosphere to ________ years for the oceans.

    1. 1100
    2. 2200
    3. 3100
    4. 1600
  43. Since the environment is steadily changing for ________, some plants and animals will become extinct because they're no longer adapted to the environment they're in.

    1. Hilaire
    2. Cuvier
    3. Lamark
    4. Lyell
  44. The turnover of water in the various reservoirs of the hydrologic cycle ranges from only ________ days for the atmosphere to 3,100 years for the oceans.

    1. 11
    2. 9
    3. 33
    4. 6
  45. The complete and published genomes of archaea by June 2005.

    1. 71
    2. 93
    3. 21
    4. 44
  46. A food web summarizes the feeding relations in a ________.

    1. Population
    2. Community
    3. Phylum
    4. Genus
  47. ________ discovered five coexisting warbler species feed in different layers of forest vegetation.

    1. Hutchinson Brick
    2. Robert MacArthur
    3. Fredrich Rich
    4. Frank Preston
  48. The complete and published genomes of Apicomplex by June 2005.

    1. 1
    2. 6
    3. 4
    4. 14
  49. Instead of dying out (in most cases, anyway) ancient animals and plants evolved into different forms that continue today was by ________.

    1. Darwin
    2. Lamark
    3. Robert Hook
    4. Robert Brown
  50. Light within photosynthetically active radiation band ranges from ________ to ________nm.

    1. 150-200
    2. 300-350
    3. 750-850
    4. 400-700
  51. Total amount of energy fixed by all the autotrophs in the ecosystem is ________.

    1. Primary production
    2. Rate of primary production
    3. Gross primary production
    4. Terrestrial primary production
  52. ________ proposed that high diversity is a consequence of continually changing conditions, not of competitive accomodation at equilibrium.

    1. Wayne Sousa
    2. Joseph Connell
    3. Fredrick Buchner
    4. Nirenberg and Gobind
  53. Community changes during succession include ________ in species diversity.

    1. increases
    2. decreases
    3. variations
    4. All of the given
  54. ________ theory states that groups of similar organisms are descended from a common ancestor.

    1. Bottle neck
    2. Evolutionary
    3. Endosymbiotic
    4. Boyle's
  55. ________ found that higher heterozygosity is associated with lower rates of population extinction.

    1. Frankham
    2. Tracy
    3. Saccheri
    4. Ledig
  56. The niches of Galapagos finches are largely determined by their ________.

    1. Movement
    2. Feeding
    3. Tidal levels
    4. Hunting
  57. The international human genome project initiated by the US national institutes of health and the US department of energy, was completion due in ________.

    1. 1998
    2. 2000
    3. 2011
    4. 2005
  58. On land, the tendency of water to move from organisms to the atmosphere can be approximated by the vapor pressure deficit of the ________.

    1. Air
    2. Water
    3. Inorganic compounds
    4. Organic compounds
  59. In bioinformatics, HMM stands for

    1. History Made Models
    2. Hidden Markov Models
    3. Hands Model Mode
    4. Heavy mode Models