1:   Equillibrium state of ecosystem is called
Options:
  1. Cybernetics
  2. Homeostasis
  3. Niche
  4. Community

Answer: Option 2

Explanation:

(Homo-same + Statis-condition). Equilibrium state of ecosystem is called homeostasis Discuss this in Forums

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2:   Science of control of ecosystem is called
Options:
  1. Cybernetics
  2. Bioceonosis
  3. Biogeocoenosis
  4. Geobiocoenosis

Answer: Option 1

Explanation:

From the french word Kybernetes meaning pilot or governor. Discuss this in Forums

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3:   Which of the following terms was coined by A.G. Tansley in 1935
Options:
  1. Biogeocoenosis
  2. Geobiocoenosis
  3. Ecosystem
  4. Homeostasis

Answer: Option 3

Explanation:

The term Biogeocoenosis or geobiocoenosis is used for ecosystem, coined by Dokuchaev. Discuss this in Forums

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4:   Ecades are also called
Options:
  1. Tundra
  2. Taiga
  3. Ecophenes
  4. Ecotones

Answer: Option 3

Explanation:

Ecades of a species are group of individuals which have similar genetic constitution but appear different due to different environmental conditions. In ecades variations are not genetically fixed but are environmentally induced Discuss this in Forums

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5:   Study of fresh water ecology is called
Options:
  1. Autecology
  2. Synecology
  3. Community ecology
  4. Limnology

Answer: Option 4

Explanation:

Autecology: Study of single individual or a population in relation to environment; Synecology(Community ecology) is the study of group of individuals or a community in relation to environment Discuss this in Forums

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6:   An ecotone with hypersaline water
Options:
  1. Biome
  2. Tundra
  3. Niche
  4. Estuary

Answer: Option 4

Explanation:

Ecotone is the zone of transition between two types of communities and represents a zone of special ecological interest. eg. Estuary is ecotone between marine and fresh water communities. Hypersaline water is found in estuaries. Discuss this in Forums

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7:   Which of the following terms was coined by Carl Mobius in 1880
Options:
  1. Tundra
  2. Taiga
  3. Biomass
  4. Biocoenosis

Answer: Option 4

Explanation:

The term biocoenosis is also used for community, which was coined by Carl Mobius in 1880. Discuss this in Forums

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8:   Frugivores are
Options:
  1. Fruit eaters
  2. Frog eaters
  3. Detritus feeders
  4. Omnivores

Answer: Option 1

Explanation:

Detritus feeders: Detrivores, Omnivores: Eat both vegtables and meat Discuss this in Forums

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9:   A species whose impact on its community or ecosystem is much larger and more influential tan would be expected from mere abundance is called
Options:
  1. Ecotone species
  2. Keystone species
  3. MAB species
  4. None of these

Answer: Option 2

Explanation:

Keystone species is the one with dominating influence. According to Paine (1969), keystone species are those whose role or activities determine community structure. Discuss this in Forums

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10:   Study of organisms at their home is called
Options:
  1. Ecology
  2. Ethology
  3. Epigenetics
  4. Pedology

Answer: Option 1

Explanation:

Ecology (Oikologie, made of two Greek words, i.e, Oikos-house or dwelling + Logos - study or discourse). Thus literary meaning of ecology is, study of organisms at their home Discuss this in Forums

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