Ecology, Biodiversity & Evolution-II (BT201)

1. 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

2. 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

3. 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

4. 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

5. Human disturbance also increases export of ________ from aquatic catchments.

   1. Nitrogen
   2. Carbon
   3. Bicarbonate
   4. Phosphorous

6. Secondary forest succession on the Piedmont Plateau takes about ________ years.

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

7. Cladistics method was developed by ________.

   1. Jenn Wilson
   2. Wili Henning
   3. Jen Henning
   4. Wilson Bush

8. The complete and published genomes of Apicomplex by June 2005.

   1. 1
   2. 6
   3. 4
   4. 14

9. The niches of Galapagos finches are largely determined by their ________.

   1. Movement
   2. Feeding
   3. Tidal levels
   4. Hunting

10. 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

11. The water potential of pure water, which by convention is set at ________.

    1. 0
    2. 1
    3. 2
    4. 3

12. Camel and ________, use similar mechanisms to survive in arid climates.

    1. Saguaro cactus
    2. Barrel Cactus
    3. Kangroo rat
    4. Creosote Bush

13. He cited teeth in fatal baleen whales.

    1. Darwin
    2. Lamark
    3. Robert Hook
    4. Cuvier

14. Only ________ is a desert plant genus.

    1. Euphorbia
    2. Ardisia
    3. Encelia
    4. Erica

15. 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

16. The complete and published genomes of archaea by June 2005.

    1. 71
    2. 93
    3. 21
    4. 44

17. ________ 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

18. ________ explored the unity of parts and their patterns of development-skeletons in different vertebrates.

    1. Lamark
    2. Hilaire
    3. Cuvier
    4. Brown

19. 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

20. ________ found that higher heterozygosity is associated with lower rates of population extinction.

    1. Frankham
    2. Tracy
    3. Saccheri
    4. Ledig

21. ________ may enter a state of torpor.

    1. Crocodiles
    2. Turtles
    3. Hummingbirds
    4. Lizards

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

    1. Algae, plant
    2. Fungi and plants
    3. Algae and Fungi
    4. Algae and animals

23. The first biologists to conduct thorough studies of phenotypic and genotypic variation of plants was ________.

    1. Keck
    2. Morgan
    3. Kerner
    4. Bonnier

24. Community changes during succession include ________ in species diversity.

    1. increases
    2. decreases
    3. variations
    4. All of the given

25. C4 and CAM plants are more ________ in their use of water than are C3 plants.

    1. efficient
    2. common
    3. strong
    4. weak

26. ________ discovered five coexisting warbler species feed in different layers of forest vegetation.

    1. Hutchinson Brick
    2. Robert MacArthur
    3. Fredrich Rich
    4. Frank Preston

27. One of the best predictors of intrinsic rate of increase (rm) is ________.

    1. Body size
    2. breathing rate
    3. Running speed
    4. Cell Degeneration

28. The complete and published genomes of Plants by June 2005.

    1. 4
    2. 6
    3. 9
    4. 11

29. The number of organisms whose genome has been sequenced completely and published is now approaching ________.

    1. 200
    2. 300
    3. 560
    4. 233

30. ________ replicated field experiments to study natural selection for changes in morphology in Anolis populations.

    1. Frankham
    2. Warhelt
    3. Saccheri
    4. Ledig

31. The complete and published genomes of Myxomycota by June 2005.

    1. 67
    2. 23
    3. 1
    4. 6

32. The complete and published genomes of Pisces by June 2005.

    1. 122
    2. 102
    3. 03
    4. 01

33. In 1997, ________% of the global human population was concentrated in Asia.

    1. 55.4
    2. 61.4
    3. 40
    4. 25

34. The rate of decomposition in terrestrial ecosystems increases with ________ content of litter.

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

35. Human genome project the assembled the ________ -billion bp of DNA.

    1. 4.50
    2. 3.12
    3. 5.56
    4. 2.90

36. A food web summarizes the feeding relations in a ________.

    1. Population
    2. Community
    3. Phylum
    4. Genus

37. The complete and published genomes of Kinetoplastida by June 2005.

    1. 1
    2. 5
    3. 4
    4. 2

38. A state of reduced metabolism that may last several months.

    1. Hibernation
    2. Tropor
    3. Basking
    4. Estivation

39. Recent research in Kenya has shown that a crayfish controls the ________.

    1. Crabs
    2. Snails
    3. Squids
    4. Cockroach

40. The ________ reflects the environmental requirements of species.

    1. Habit
    2. Reproduction
    3. Food
    4. Niche

41. Light within photosynthetically active radiation band ranges from ________ to ________nm.

    1. 150-200
    2. 300-350
    3. 750-850
    4. 400-700

42. 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

43. 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

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 nemaoda by June 2005.

    1. 12
    2. 2
    3. 23
    4. 34

46. 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

47. 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

48. Expanded the logistic model of population growth to present interspecific competition.

    1. Hutchinson
    2. Lotkal
    3. Volterra
    4. Brick

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. ________ 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

51. In bioinformatics, HMM stands for

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

52. Of the water in the biosphere, the polar ice caps and glaciers contain %________.

    1. 6
    2. 2
    3. 8
    4. 9

53. 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

54. 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

55. ________ theory states that groups of similar organisms are descended from a common ancestor.

    1. Bottle neck
    2. Evolutionary
    3. Endosymbiotic
    4. Boyle's

56. 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

57. The complete and published genomes of insecta by June 2005.

    1. 12
    2. 2
    3. 23
    4. 4

58. 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

59. The complete and published genomes of tunicata by June 2005.

    1. 12
    2. 2
    3. 23
    4. 1

Select a course code for Objective Questions:

ACC311 ACC501 BIF101 BIF401 BIF501 BIO101 BIO201 BIO202 BIO203 BIO204 BIO301 BIO302 BIO303 BIO401 BIO503 BNK603 BT101 BT201 BT301 BT302 BT401 BT402 BT403 BT404 BT405 BT406 BT501 BT504 BT505 BT604 CHE201 CHE301 CS001 CS101 CS201 CS202 CS204 CS301 CS302 CS304 CS311 CS401 CS402 CS403 CS408 CS501 CS502 CS504 CS506 CS508 CS601 CS602 CS604 CS605 CS607 CS609 CS610 CS614 CS707 CS710 ECO401 ECO402 ECO403 ECO404 EDU302 EDU401 EDU402 EDU501 EDU601 ENG101 ENG201 ENG301 ENG501 FIN611 FIN624 FIN625 ISL201 IT430 MCM101 MCM301 MGMT623 MGT101 MGT211 MGT301 MGT401 MGT402 MGT501 MGT502 MGT503 MGT510 MGT601 MGT603 MKT501 MKT610 MKT630 MTH101 MTH202 MTH302 MTH501 MTH601 MTH634 PAK301 PHY101 PHY301 PSY101 PSY403 PSY502 PSY512 SOC101 SOC301 SOC401 STA301 STA630 STA641 ZOO102 ZOO401 ZOO501 ZOO502 ZOO503 ZOO504 ZOO505 ZOO506 ZOO510 ZOO630

Select a course code for Subjective Questions:

ACC311 CS001 CS101 CS201 CS301 CS607 CS701 CS702 CS703 CS704 CS707 CS708 CS710 CS711 CS718 CS721 CS724 ECO401 ECO403 ENG101 ENG301 MGT703 MTH501 STA301