Q. No.Which pair is mismatched
1. Tundra –Permafrost
2. Savanna – Acacia trees
3. Prairie–Epiphytes
4. Coniferous forest – Evergreen trees
1. Tundra –Permafrost
2. Savanna – Acacia trees
3. Prairie–Epiphytes
4. Coniferous forest – Evergreen trees
Highest value in g//yr of a grassland ecosystem would be
1. Gross primary production
2. Net primary production
3. Secondary production
4. Tertiary production
An easily disturbed ecosystem which can recover after some time after the stoppage of damaging factor is of
1. Low stability and high resilience
2. High stability and high resilience
3. Low stability and low resilience
4. High stability and low resilience
Which of the following is not used for construction of ecological pyramids
1. Fresh weight
2. Dry weight
3. Number of individuals
4. Rate of energy flow
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Highest annual net primary productivity is of
1.Tropical deciduous forest
2. Temperate evergreen forest
3. Temperate deciduous forest
4. Tropical rain forest
Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem.
1. Frog
2. Phytoplankton
3. Fish
4. Zooplankton
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Which one of the following is one of the characteristics of a biological community.
1. Natality
2. Mortality
3. Sex-ratio
4. Stratification
Large Woody Vines are more commonly found in :
1. Temperate forest
2. Mangroves
3. Tropical rainforests
4. Alpine forests
Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?
1. Its base is broad
2. It shows energy content of different trophic level organisms
3. It is inverted in shape
4.It is upright in shape
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Which one of the following is not a gaseous biogeochemical cycle in ecosystem ?
1. Sulphur cycle
2. Phosphorus cycle
3. Nitrogen cycle
4. Carbon cycle
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