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Which index is commonly used to measure species diversity?
A. Simpson’s Index
B. Hardy-Weinberg Index
C. pH Index
D. Trophic Index
Answer: A -
Shannon-Wiener index considers:
A. Only species richness
B. Only evenness
C. Both richness and evenness
D. Only biomass
Answer: C -
According to IUCN, “Vulnerable” species are those:
A. Already extinct
B. Facing high risk of extinction
C. Least concern
D. Not evaluated
Answer: B -
Which of the following is NOT a biodiversity hotspot in India?
A. Western Ghats
B. Eastern Himalaya
C. Thar Desert
D. Indo-Burma
Answer: C -
“Ecosystem services” term was popularized by:
A. Odum
B. Daily
C. Darwin
D. Haeckel
Answer: B
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Competitive exclusion principle states that:
A. Two species can coexist indefinitely
B. One species excludes the other
C. Both species evolve
D. No interaction occurs
Answer: B -
Which curve represents logistic growth?
A. J-shaped
B. S-shaped
C. Linear
D. Exponential
Answer: B -
Maximum sustainable yield is related to:
A. Biodiversity loss
B. Resource management
C. Extinction
D. Pollution
Answer: B -
Edge effect is highest in:
A. Core habitat
B. Ecotone
C. Desert
D. Ocean
Answer: B -
Species-area relationship is expressed by:
A. S = cA^z
B. E = mc²
C. PV = nRT
D. H = q/t
Answer: A
-
Island biogeography theory was proposed by:
A. Darwin
B. MacArthur & Wilson
C. Odum
D. Mendel
Answer: B -
Species richness increases with:
A. Decrease in area
B. Increase in area
C. Climate only
D. Soil only
Answer: B -
Which factor increases extinction risk?
A. Large population
B. Small population size
C. High diversity
D. Stable habitat
Answer: B -
“Umbrella species” concept is used for:
A. Soil conservation
B. Habitat protection
C. Water management
D. Climate study
Answer: B
-
Project Tiger in India was launched in:
A. 1965
B. 1973
C. 1982
D. 1991
Answer: B -
Convention on Biological Diversity (CBD) was signed in:
A. 1971
B. 1982
C. 1992
D. 2002
Answer: C -
Ex-situ conservation includes:
A. National park
B. Wildlife sanctuary
C. Zoo
D. Biosphere reserve
Answer: C -
Which is a biosphere reserve in India?
A. Kaziranga
B. Nilgiri
C. Corbett
D. Gir
Answer: B
-
Realized niche is smaller than fundamental niche due to:
A. Abiotic factors
B. Biotic interactions
C. Climate
D. Soil
Answer: B -
r-selected species are favored in:
A. Stable habitats
B. Disturbed habitats
C. Forests
D. Mountains
Answer: B -
Genetic drift causes:
A. Directed change
B. Random change
C. Selection
D. Adaptation
Answer: B -
Biodiversity loss affects:
A. Food chain
B. Ecosystem services
C. Climate
D. All
Answer: D
-
Which is NOT an ecosystem service?
A. Pollination
B. Soil formation
C. Mining
D. Nutrient cycling
Answer: C -
Indicator species are useful for:
A. Soil fertility
B. Environmental monitoring
C. Water storage
D. Climate change
Answer: B -
Keystone species concept was introduced by:
A. Paine
B. Darwin
C. Odum
D. Haeckel
Answer: A -
Lichens are indicators of:
A. Water pollution
B. Air pollution
C. Soil fertility
D. Temperature
Answer: B
-
Extinction debt refers to:
A. Immediate extinction
B. Future extinction due to past habitat loss
C. No extinction
D. Rapid growth
Answer: B -
Minimum viable population depends on:
A. Genetics
B. Demography
C. Environment
D. All
Answer: D -
Ecological resilience is:
A. Resistance to change
B. Recovery after disturbance
C. Stability
D. Productivity
Answer: B -
Biopiracy involves:
A. Conservation
B. Illegal use of genetic resources
C. Protection
D. Awareness
Answer: B
-
Most species-rich biome is:
A. Desert
B. Grassland
C. Tropical rainforest
D. Tundra
Answer: C -
Maximum biodiversity in India occurs in:
A. Gangetic plains
B. Western Ghats
C. Thar Desert
D. Deccan plateau
Answer: B -
Conservation hotspot concept was given by:
A. Myers
B. Darwin
C. Odum
D. Haeckel
Answer: A -
Largest cause of biodiversity loss globally:
A. Pollution
B. Habitat destruction
C. Climate change
D. Mining
Answer: B -
Ecotourism should be:
A. Exploitative
B. Sustainable
C. Industrial
D. Urban
Answer: B
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