1. ________is the ratio of grassland cover that is present now a days on earth.
a. 0.42
b. 0.52
c. 0.62
d. 0.19
Correct Answer: d
.
2. __________ is the interaction of organisms in relation to its environmental components.
a. Ecology
b. Ecosystem
c. Environmental ecology
d. None of these
Correct Answer: a
.
3. A specie with wide niche breadth is called_______
a. Keystone specie
b. Specialist
c. All of these
d. Generalist specie
Correct Answer: d
.
4. Fauna that is inhabitant of an island is known as
a. Island fauna
b. Local fauna
c. All of these
d. Insular fauna
Correct Answer: d
.
5. Island that have been connected to the representative nearby mainland at one time is known as_______
a. Ancient island
b. Oceanic island
c. All of these
d. Continental island
Correct Answer: d
.
6. Area of Galapagos island is _____________.
a. 2987miles
b. 2587 miles
c. 2997miles
d. 2870miles
Correct Answer: d
.
7. By comparing 1921 survey to 1908 survey species may________.
a. Increase
b. Decrease
c. Remains stable
d. None of these
Correct Answer: a
.
8. KIWI is a flightless bird that is natively present in ________.
a. Austrasia
b. New Zealand
c. Galapagos island
d. Australia
Correct Answer: b
.
9. Which one is not a gaseous cycle?
a. Mercury cycle
b. Oxygen cycle
c. Carbon cycle
d. Nitrogen cycle
Correct Answer: a
.
10. The transition process from the vapor state to the liquid state is called
a. Condensation
b. Precipitation
c. Vaporization
d. Evaporation
Correct Answer: a
.
11. Combustion is a process by which oxygen is further converted into_______.
a. Carbon dioxide
b. Water vapors
c. Liquid oxygen
d. None of these
Correct Answer: a
.
12. ____________ are the chief agents for Carbon dioxide fixation through the process of photosynthesis, through which carbon dioxide and water are converted into simple carbohydrates
a. Fungi
b. Plants
c. Algae and Fungi
d. Algae
Correct Answer: c
.
13. ___________is a bacterium that is responsible for the process of denitrification
a. Pseudomonas
b. Azotobacter
c. Nitrosomonas
d. Nitrobacter
Correct Answer: a
.
14. The surrounding or conditions in which an organism live is called as______.
a. Habitat
b. Ecosystem
c. All of these
d. Environment
Correct Answer: d
.
15. The role or position of a specie in its environment is called as________.
a. Ecological formation
b. Ecological niche
c. Habitat fragmentation
d. Ecological succession
Correct Answer: b
.
16. Range of environmental conditions in which a specie is really found is known as_______.
a. Fundamental niche
b. Hutchinson concept
c. All of these
d. Realized niche
Correct Answer: d
.
17. Our globe contains___________ % marine water.
a. 70
b. 97.3
c. 2.8
d. 97.2
Correct Answer: d
.
18. Competition exclusion principle is also called as______.
a. All of these
b. Gause’s law
c. Earnest law of Hackle
d. Rapid exclusion principle
Correct Answer: b
.
19. Species which can survive in a great variety of environmental conditions are known as____.
a. Generalist
b. Specialist
c. keystone
d. None of these
Correct Answer: a
.
20. ______________ is an ecosystem situated near the north pole of Arctic ocean.
a. Tropical rain forest
b. Temperate deciduous forest
c. Tundra
d. Taiga
Correct Answer: c
.
21. Largest animal that live in tundra ecosystem is___________.
a. Deer
b. Polar bear
c. Lion
d. Tiger
Correct Answer: b
.
22. ________ is an ecosystem in which 4 seasons are easily recognizable and each last about 3 month.
a. Taiga
b. Tundra
c. Temperate deciduous forest
d. Tropical rain forest
Correct Answer: c
.
23. An ecosystem where two types of water meets with each other is known as_________.
a. Sea
b. River
c. Estuary
d. Ocean
Correct Answer: c
.
24. Conversion of Ammonia into nitrite is done by
a. Nitrosomines
b. P. lactobacillus
c. P. ariugunosa
d. Nitrobacter
Correct Answer: a
.
25. Study of populations in relation to the environment is known as________.
a. Population
b. Population richness
c. Population Ecology
d. Population abundance
Correct Answer: c
.
26. Total live birth in a total population area is called as_________.
a. Emigration
b. Natality
c. Moratlity
d. Birth
Correct Answer: b
.
27. Factors that increase population size is________.
a. Natality and Immigration
b. Mortality
c. Emigration
d. Mortality and Emigration
Correct Answer: a
.
28. Density=
a. All of these
b. Population/Area
c. Poplation/size
d. Population/Species
Correct Answer: b
.
29. Density is measured by which of the following methods?
a. No of species method
b. Original method
c. Total count method
d. Measurement method
Correct Answer: c
.
30. Formula of mark and recapture method is
a. N=MC/R
b. N=MR/C
c. M=NC/R
d. M=NR/C
Correct Answer: a
.
31. Most frequent pattern of population distributaion is___________.
a. Uniform dispersion
b. Random dispersion
c. Clumped dispersion
d. Population dispersion
Correct Answer: c
.
32. Which one gives J shaped curve about population?
a. All of these
b. Exponential growth curve
c. Logistic growth curve
d. Rapid growth curve
Correct Answer: b
.
33. The word ecology was first designed by _________ in ____________.
a. Albert zoologist, 1860
b. wilcox, 1869
c. Earnest Hackle, 1869
d. Gauses, 1860
Correct Answer: c
.
34. Who called surroundings a habitat?
a. Richard
b. Earnest hackle
c. Wilcox
d. None of these
Correct Answer: a
.
35. According to Brewer action, reaction and coaction are the basics of the structure and functioning of the community and the ___________,
a. Ecosystem
b. Population
c. Species
d. Environment
Correct Answer: a
.
36. Who defines Study of man in relationship to his environment?
a. Earnest Hackle
b. Horton and Hunt
c. Richard
d. Horton
Correct Answer: b
.
37. The trasitional zone or junction between two or more communities is called as_________.
a. All of these
b. Ecotone
c. Community standards
d. Community ecology
Correct Answer: b
.
38. Hydrophytic means
a. All of these
b. Aquatic habitat
c. Aquatic plants
d. Aquatic community
Correct Answer: b
.
39. The earths interior consists of ______________.
a. crust
b. All of these
c. Core
d. Mantle
Correct Answer: b
.
40. On earth rainstorms occurred in___________.
a. 3.5 billion years ago
b. 4.0 billion years ago
c. 4.6 billion years ago
d. 3.9billion years ago
Correct Answer: d
.
41. According to paleontologists how much eras occurred on earth about mass extinction
a. 3
b. 2
c. 1
d. 4
Correct Answer: d
.
42. Who coined this term Ecosystem are the basic units of nature on the face of the earth?
a. Tansley, 1935
b. Earnest hackle
c. Hirarie
d. None of these
Correct Answer: a
.
43. Of the total incident of solar radiation less than_________ of it is PAR.
a. 0.01
b. 0.2
c. 0.3
d. 0.6
Correct Answer: d
.
44. Which law explain about understanding of cycling of energy in ecosystems.
a. 10 percent law
b. Gauses law
c. Earnest hackle’s law
d. None of these
Correct Answer: a
.
45. Net primary productivity NPP=
a. GPP-R
b. GP-PR
c. G-PPR
d. GPPR
Correct Answer: a
.
46. The amount of light energy converted into chemical energy in an ecosystem is called as_________.
a. All of these
b. Primary productivity
c. Secondary productivity
d. Tertiary Productivity
Correct Answer: b
.
47. The process of change in the species structure of an ecological community over a period of time is called as_________.
a. Ecological formation
b. Ecological succession
c. Ecological niche
d. Ecological community
Correct Answer: b
.
48. Creating of life in an area where no life existed before is called as__________.
a. Primary generation
b. Primary formation
c. Primary succession
d. Primary productivity
Correct Answer: c
.
49. Species that do not need any soil to survive is called as ___________.
a. Pioneer species
b. Keystone specie
c. Generalist species
d. None of these
Correct Answer: a
.
50. The final stage of succession is called as_______________.
a. Secondary community
b. Tertiary community
c. Climax community
d. Primarycommunity
Correct Answer: c
.
