1. : Which instrument is commonly used to measure soil pH in the laboratory?
(A) Hygrometer
(B) pH meter
(C) Anemometer
(D) Barometer
2. : Which tool is used to collect soil samples in fieldwork?
(A) Soil auger
(B) Microscope
(C) Hydrometer
(D) Rain gauge
3. : Which of the following is used to estimate vegetation cover in a field study?
(A) Quadrat
(B) Microscope
(C) Test tube
(D) Barometer
4. : In ecological fieldwork, a transect line is primarily used for:
(A) Measuring wind speed
(B) Sampling vegetation along a gradient
(C) Collecting water samples
(D) Testing soil salinity
5. : Which instrument is used to measure dissolved oxygen in water samples?
(A) Hygrometer
(B) DO meter
(C) Secchi disk
(D) Lux meter
6. : A Secchi disk is used to measure:
(A) Water depth
(B) Light penetration in water
(C) pH of soil
(D) Soil texture
7. : The primary purpose of a weather station in ecological fieldwork is to record:
(A) Soil nutrients
(B) Climatic variables
(C) Vegetation type
(D) Animal species
8. : Which technique is used for estimating population size in fieldwork?
(A) Quadrat method
(B) Capture-mark-recapture
(C) Line intercept method
(D) All of the above
9. : Which of the following is a laboratory method to measure soil texture?
(A) Soil sieve analysis
(B) Quadrat sampling
(C) Line transect
(D) Canopy cover estimation
10. : Which laboratory instrument is used to analyze chlorophyll content in leaves?
(A) pH meter
(B) Spectrophotometer
(C) Microscope
(D) Thermometer
11. : The capture-mark-recapture method is mainly used for:
(A) Measuring soil nutrients
(B) Estimating animal population size
(C) Recording wind speed
(D) Testing salinity
12. : Which device is used to measure light intensity in fieldwork?
(A) Lux meter
(B) Barometer
(C) Rain gauge
(D) DO meter
13. : What does a rain gauge measure in fieldwork?
(A) Temperature
(B) Precipitation
(C) Humidity
(D) Wind speed
14. : A clinometer is used in fieldwork to measure:
(A) Tree height
(B) Soil temperature
(C) Water turbidity
(D) Chlorophyll content
15. : Which of the following is a biotic parameter measured in fieldwork?
(A) Soil moisture
(B) Animal population
(C) Air temperature
(D) Light intensity
16. : Which technique is used to estimate the age of a tree?
(A) Chlorophyll extraction
(B) Soil pH testing
(C) Dendrochronology
(D) Quadrat sampling
17. : Which instrument is used to measure relative humidity?
(A) Hygrometer
(B) Lux meter
(C) Rain gauge
(D) DO meter
18. : Which is the most common method to study soil profile in fieldwork?
(A) Soil pit excavation
(B) Capture-mark-recapture
(C) Quadrat analysis
(D) Spectroscopy
19. : A pitfall trap is commonly used for:
(A) Capturing soil microbes
(B) Studying small ground-dwelling animals
(C) Testing water salinity
(D) Collecting air samples
20. : The point intercept method in fieldwork is used for:
(A) Measuring animal diversity
(B) Estimating plant cover
(C) Recording soil pH
(D) Testing water hardness
21. : Which of the following is used to measure soil moisture in the field?
(A) Tensiometer
(B) Lux meter
(C) Rain gauge
(D) Clinometer
22. : Which laboratory method is used for water quality analysis?
(A) Turbidity test
(B) DO test
(C) pH test
(D) All of the above
23. : The process of calibration in laboratory instruments ensures:
(A) Consistent and accurate measurements
(B) Faster sampling
(C) Increased storage
(D) Random results
24. : In fieldwork, GPS is mainly used for:
(A) Measuring tree diameter
(B) Recording geographic location
(C) Analyzing soil nutrients
(D) Testing chlorophyll
25. : Which method is used to study aquatic invertebrates?
(A) Sweep net sampling
(B) Soil auger
(C) Quadrat method
(D) Hygrometer
26. : The line transect method is used to estimate:
(A) Plant distribution
(B) Rainfall intensity
(C) Soil pH
(D) Animal genetics
27. : Which device is used to measure wind speed during fieldwork?
(A) Anemometer
(B) Hygrometer
(C) Rain gauge
(D) Clinometer
28. : Laboratory microscopy is used to study:
(A) Soil microbes
(B) Leaf epidermis
(C) Plankton
(D) All of the above
29. : Which method is used to estimate biomass in the field?
(A) Harvest method
(B) Line transect
(C) Quadrat sampling
(D) Capture-recapture
30. : What does a flow meter measure in aquatic fieldwork?
(A) Water current speed
(B) Soil pH
(C) Air pressure
(D) Chlorophyll concentration
31. : Which of the following is NOT a fieldwork instrument?
(A) Rain gauge
(B) Microscope
(C) Soil auger
(D) Clinometer
32. : Which laboratory method is used to test nitrate levels in soil?
(A) Spectrophotometry
(B) Sieve analysis
(C) Line transect
(D) Capture-mark-recapture
33. : Which technique is used to estimate canopy cover?
(A) Canopy densiometer
(B) Soil auger
(C) Secchi disk
(D) Hygrometer
34. : Which trap is commonly used to study insect populations?
(A) Sherman trap
(B) Pitfall trap
(C) Malaise trap
(D) All of the above
35. : Which of the following is measured using a thermometer in fieldwork?
(A) Air temperature
(B) Soil temperature
(C) Water temperature
(D) All of the above
36. : The main purpose of a herbarium in laboratory work is:
(A) Preserve plant specimens
(B) Analyze soil samples
(C) Measure biodiversity
(D) Record water chemistry
37. : Which of the following is a non-destructive sampling method?
(A) Remote sensing
(B) Quadrat harvest
(C) Pitfall trap
(D) Soil coring
38. : Which device is used to measure soil compaction in fieldwork?
(A) Penetrometer
(B) Hygrometer
(C) DO meter
(D) Secchi disk
39. : Which statistical tool is commonly applied in laboratory data analysis?
(A) Regression analysis
(B) Microscope
(C) Quadrat
(D) pH meter
40. : The belt transect method is an extension of:
(A) Quadrat method
(B) Line transect method
(C) Point intercept method
(D) Capture-recapture
41. : A lux meter measures:
(A) Soil salinity
(B) Light intensity
(C) Water flow
(D) Soil compaction
42. : Which is the best technique to study bird diversity in fieldwork?
(A) Mist netting
(B) Sherman trapping
(C) Quadrat method
(D) Pitfall traps
43. : Which type of sampling method is used in laboratory experiments?
(A) Random sampling
(B) Stratified sampling
(C) Systematic sampling
(D) All of the above
44. : Which of the following can be studied using laboratory incubation experiments?
(A) Soil respiration
(B) Microbial activity
(C) Decomposition rates
(D) All of the above
45. : Which device is used to measure atmospheric pressure?
(A) Hygrometer
(B) Barometer
(C) Clinometer
(D) Anemometer
46. : Which sampling method is often used in aquatic ecosystems?
(A) Plankton net
(B) Soil auger
(C) Pitfall trap
(D) Quadrat
47. : A Sherman trap is specifically designed to capture:
(A) Small mammals
(B) Birds
(C) Insects
(D) Amphibians
48. : Which of the following is NOT measured in laboratory soil analysis?
(A) Soil texture
(B) Soil pH
(C) Soil color
(D) Wind speed
49. : The most accurate method for measuring chlorophyll content in a lab is:
(A) Spectrophotometry
(B) Visual estimation
(C) Quadrat analysis
(D) Soil coring
50. : The ultimate aim of laboratory and fieldwork in ecology is:
(A) To verify ecological theories through observation and experiments
(B) To only study lab organisms
(C) To avoid outdoor studies
(D) To eliminate variability in data