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Field Methods in Environmental Science MCQs

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1. : Which of the following is commonly used to measure tree height in the field?





2. : The quadrat method is primarily used for:





3. : A line transect in environmental science is used to:





4. : Which tool is used to collect soil samples in field studies?





5. : The capture-mark-recapture method is widely used to estimate:





6. : Which of the following is used to measure light intensity in the field?





7. : A pitfall trap is typically used for:





8. : Which device is used to measure wind speed?





9. : A Secchi disk is used in aquatic fieldwork to measure:





10. : The point intercept method is mainly used for:





11. : Which technique is commonly used to estimate bird populations?





12. : A rain gauge is used for measuring:





13. : Which of the following is used to measure soil moisture in the field?





14. : A Sherman trap is mainly used to capture:





15. : Which field method is commonly used to study aquatic invertebrates?





16. : The belt transect method is an extension of:





17. : Which instrument is used for measuring atmospheric pressure in the field?





18. : Which technique is used to study plant canopy cover?





19. : Which is a non-destructive field method for vegetation study?





20. : Which field instrument measures relative humidity?





21. : Which method is used to study soil profile in the field?





22. : A flow meter in fieldwork is used to measure:





23. : Which technique is most suitable for estimating tree diameter?





24. : A Malaise trap is primarily used for capturing:





25. : Which sampling technique is used for fish population studies?





26. : Which method is commonly used to study species diversity in a habitat?





27. : Which tool is used to measure soil compaction?





28. : A thermometer in field studies is used for measuring:





29. : Which of the following is a biological method of environmental field study?





30. : Which instrument is used for geographic positioning in fieldwork?





31. : Which method is used for estimating biomass in the field?





32. : The canopy cover of a forest is measured using:





33. : Which trap is commonly used for bird banding?





34. : Which method involves counting all individuals within a defined area?





35. : A respirometer in field studies is used to measure:





36. : Which device is commonly used to measure CO₂ concentration in field studies?





37. : Which method is best suited for sampling marine plankton?





38. : Which is a field-based remote sensing tool?





39. : Which sampling method reduces bias in environmental fieldwork?





40. : Which of the following is measured in hydrological field studies?





41. : Which tool is used to measure tree age without cutting it down?





42. : The point count method is commonly used to study:





43. : Which sampling tool is used for studying benthic organisms?





44. : Which device measures dissolved oxygen in water during fieldwork?





45. : Which is an example of in situ measurement in fieldwork?





46. : Which type of sampling is most suitable for studying rare species?





47. : Which method is used for marking animals in capture-recapture studies?





48. : Which method is used for estimating forest density?





49. : Which instrument is essential in geological field methods?





50. : The ultimate aim of field methods in environmental science is:





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