1. What is the primary goal of ecological sampling?
A) To collect data for statistical analysis
B) To identify rare species
C) To estimate population densities and distributions
D) To measure soil nutrient levels
Answer: C) To estimate population densities and distributions
2. Which sampling method is used to estimate plant species diversity in a given area?
A) Quadrat Sampling
B) Transect Sampling
C) Point Sampling
D) Random Sampling
Answer: A) Quadrat Sampling
3. What is the purpose of using a transect line in ecological sampling?
A) To measure soil moisture content
B) To assess the distribution of plant and animal species along a gradient
C) To collect water samples
D) To record atmospheric conditions
Answer: B) To assess the distribution of plant and animal species along a gradient
4. Which technique is commonly used to estimate the abundance of animal populations?
A) Mark-Recapture Method
B) Quadrat Sampling
C) Line Transect Sampling
D) Soil Core Sampling
Answer: A) Mark-Recapture Method
5. What is the primary use of a point intercept method in ecological surveys?
A) To estimate vegetation cover and density
B) To measure water quality parameters
C) To assess soil pH
D) To analyze air pollution levels
Answer: A) To estimate vegetation cover and density
6. Which tool is used to measure the diameter at breast height (DBH) of trees in a forest inventory?
A) Diameter Tape
B) Soil Probe
C) Anemometer
D) pH Meter
Answer: A) Diameter Tape
7. What method is used to estimate the density of small mammals in an area?
A) Live Trapping
B) Aerial Surveys
C) Camera Trapping
D) Soil Sampling
Answer: A) Live Trapping
8. What does the term ‘sampling intensity’ refer to in ecological studies?
A) The frequency of sampling events
B) The number of samples collected per unit area
C) The duration of each sampling event
D) The depth of soil samples
Answer: B) The number of samples collected per unit area
9. Which method is used to estimate fish populations in a lake or river?
A) Electrofishing
B) Soil Core Sampling
C) Quadrat Sampling
D) GPS Mapping
Answer: A) Electrofishing
10. What is the primary purpose of using a GIS (Geographic Information System) in ecological analysis?
A) To visualize and analyze spatial data
B) To collect soil samples
C) To measure air quality
D) To count animal tracks
Answer: A) To visualize and analyze spatial data
11. Which technique is employed to assess the diversity of macroinvertebrates in aquatic environments?
A) Kick Sampling
B) Soil Core Sampling
C) Quadrat Sampling
D) Line Transect
Answer: A) Kick Sampling
12. What is the purpose of using a baited trap in ecological sampling?
A) To attract and capture specific species for study
B) To measure soil moisture
C) To record air temperature
D) To collect water samples
Answer: A) To attract and capture specific species for study
13. Which method is used to estimate plant biomass in a given area?
A) Harvest Method
B) Quadrat Sampling
C) Line Transect Sampling
D) Soil Auger
Answer: A) Harvest Method
14. What is the purpose of using a calibration curve in ecological analysis?
A) To convert raw data into meaningful units
B) To measure soil texture
C) To assess vegetation density
D) To estimate animal populations
Answer: A) To convert raw data into meaningful units
15. Which sampling technique is used to determine the spatial distribution of plant species?
A) Quadrat Sampling
B) Soil Core Sampling
C) Point Sampling
D) Line Transect
Answer: D) Line Transect
16. What does the term ‘sampling bias’ refer to in ecological research?
A) Systematic error introduced by the sampling method
B) Random variation in sampling data
C) Error due to equipment malfunction
D) Variation in species abundance
Answer: A) Systematic error introduced by the sampling method
17. Which method is used to estimate the density of aquatic plants in a water body?
A) Quadrat Sampling
B) Dredging
C) Electrofishing
D) Core Sampling
Answer: B) Dredging
18. What is the purpose of using a vegetation index in ecological studies?
A) To assess plant health and productivity
B) To measure soil texture
C) To analyze water quality
D) To estimate animal populations
Answer: A) To assess plant health and productivity
19. Which technique is used to collect soil samples for nutrient analysis?
A) Soil Core Sampling
B) Quadrat Sampling
C) Electrofishing
D) Camera Trapping
Answer: A) Soil Core Sampling
20. What is the primary use of a camera trap in wildlife studies?
A) To capture images of wildlife for population estimates and behavior studies
B) To measure soil moisture
C) To collect water samples
D) To assess vegetation cover
Answer: A) To capture images of wildlife for population estimates and behavior studies
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