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

Ecology, Biodiversity & Evolution-II (BT201)

Multiple Choice Questions (MCQs)

Objective Questions

  1. Reef-building corals depend upon mutualistic relationships with ________.

    1. Algae, plant
    2. Fungi and plants
    3. Algae and Fungi
    4. Algae and animals
  2. Expanded the logistic model of population growth to present interspecific competition.

    1. Hutchinson
    2. Lotkal
    3. Volterra
    4. Brick
  3. 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
  4. One of the best predictors of intrinsic rate of increase (rm) is ________.

    1. Body size
    2. breathing rate
    3. Running speed
    4. Cell Degeneration
  5. A state of reduced metabolism that may last several months.

    1. Hibernation
    2. Tropor
    3. Basking
    4. Estivation
  6. 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
  7. The complete and published genomes of Kinetoplastida by June 2005.

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

    1. Keck
    2. Morgan
    3. Kerner
    4. Bonnier
  9. 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
  10. Human genome project the assembled the ________ -billion bp of DNA.

    1. 4.50
    2. 3.12
    3. 5.56
    4. 2.90
  11. ________ 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
  12. Of the water in the biosphere, the polar ice caps and glaciers contain %________.

    1. 6
    2. 2
    3. 8
    4. 9
  13. The water potential of pure water, which by convention is set at ________.

    1. 0
    2. 1
    3. 2
    4. 3
  14. Cladistics method was developed by ________.

    1. Jenn Wilson
    2. Wili Henning
    3. Jen Henning
    4. Wilson Bush
  15. In 1997, ________% of the global human population was concentrated in Asia.

    1. 55.4
    2. 61.4
    3. 40
    4. 25
  16. The complete and published genomes of Myxomycota by June 2005.

    1. 67
    2. 23
    3. 1
    4. 6
  17. 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
  18. He cited teeth in fatal baleen whales.

    1. Darwin
    2. Lamark
    3. Robert Hook
    4. Cuvier
  19. 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
  20. ________ discovered five coexisting warbler species feed in different layers of forest vegetation.

    1. Hutchinson Brick
    2. Robert MacArthur
    3. Fredrich Rich
    4. Frank Preston
  21. 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
  22. The number of organisms whose genome has been sequenced completely and published is now approaching ________.

    1. 200
    2. 300
    3. 560
    4. 233
  23. Light within photosynthetically active radiation band ranges from ________ to ________nm.

    1. 150-200
    2. 300-350
    3. 750-850
    4. 400-700
  24. The complete and published genomes of nemaoda by June 2005.

    1. 12
    2. 2
    3. 23
    4. 34
  25. In bioinformatics, HMM stands for

    1. History Made Models
    2. Hidden Markov Models
    3. Hands Model Mode
    4. Heavy mode Models
  26. 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
  27. Recent research in Kenya has shown that a crayfish controls the ________.

    1. Crabs
    2. Snails
    3. Squids
    4. Cockroach
  28. C4 and CAM plants are more ________ in their use of water than are C3 plants.

    1. efficient
    2. common
    3. strong
    4. weak
  29. 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
  30. Human disturbance also increases export of ________ from aquatic catchments.

    1. Nitrogen
    2. Carbon
    3. Bicarbonate
    4. Phosphorous
  31. 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
  32. The complete and published genomes of Plants by June 2005.

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

    1. 12
    2. 2
    3. 23
    4. 4
  35. 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
  36. A food web summarizes the feeding relations in a ________.

    1. Population
    2. Community
    3. Phylum
    4. Genus
  37. The niches of Galapagos finches are largely determined by their ________.

    1. Movement
    2. Feeding
    3. Tidal levels
    4. Hunting
  38. ________ found that higher heterozygosity is associated with lower rates of population extinction.

    1. Frankham
    2. Tracy
    3. Saccheri
    4. Ledig
  39. The complete and published genomes of Apicomplex by June 2005.

    1. 1
    2. 6
    3. 4
    4. 14
  40. 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
  41. 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
  42. ________ replicated field experiments to study natural selection for changes in morphology in Anolis populations.

    1. Frankham
    2. Warhelt
    3. Saccheri
    4. Ledig
  43. ________ explored the unity of parts and their patterns of development-skeletons in different vertebrates.

    1. Lamark
    2. Hilaire
    3. Cuvier
    4. Brown
  44. 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
  45. Community changes during succession include ________ in species diversity.

    1. increases
    2. decreases
    3. variations
    4. All of the given
  46. The complete and published genomes of tunicata by June 2005.

    1. 12
    2. 2
    3. 23
    4. 1
  47. ________ may enter a state of torpor.

    1. Crocodiles
    2. Turtles
    3. Hummingbirds
    4. Lizards
  48. Only ________ is a desert plant genus.

    1. Euphorbia
    2. Ardisia
    3. Encelia
    4. Erica
  49. The ________ reflects the environmental requirements of species.

    1. Habit
    2. Reproduction
    3. Food
    4. Niche
  50. 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
  51. Camel and ________, use similar mechanisms to survive in arid climates.

    1. Saguaro cactus
    2. Barrel Cactus
    3. Kangroo rat
    4. Creosote Bush
  52. The complete and published genomes of archaea by June 2005.

    1. 71
    2. 93
    3. 21
    4. 44
  53. ________ 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
  54. 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
  55. The complete and published genomes of Pisces by June 2005.

    1. 122
    2. 102
    3. 03
    4. 01
  56. Secondary forest succession on the Piedmont Plateau takes about ________ years.

    1. 120
    2. 130
    3. 140
    4. 150
  57. ________ theory states that groups of similar organisms are descended from a common ancestor.

    1. Bottle neck
    2. Evolutionary
    3. Endosymbiotic
    4. Boyle's
  58. 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
  59. The rate of decomposition in terrestrial ecosystems increases with ________ content of litter.

    1. P
    2. N
    3. Ca
    4. K