Question 1:
Which of the following population survey methods involves capturing and marking individuals for later recapture?
Explanation: The correct answer is C) Capture-recapture. Capture-recapture is a method used to estimate population size by capturing and marking a subset of individuals, releasing them back into the population, and then recapturing a second sample later. The number of marked individuals in the second sample is used to estimate the total population size.
Question 2:
Which of the following population survey methods involves counting the number of individuals within a defined area?
Explanation: The correct answer is A) Quadrat sampling. Quadrat sampling involves randomly selecting and marking off sample plots within a study area and then counting the number of individuals or species within each plot. This method provides an estimate of population density or abundance within the defined area.
Question 3:
Which of the following population survey methods involves walking along a defined path and recording individuals encountered?
Explanation: The correct answer is B) Transect sampling. Transect sampling involves walking along a defined path or line and recording individuals or species encountered within a specified distance or width of the transect. This method provides information about the distribution and abundance of individuals along the path.
Question 4:
Which of the following population survey methods involves visually or audibly detecting individuals at specified locations?
Explanation: The correct answer is D) Point count. Point count involves selecting specific locations within a study area and counting the number of individuals or species observed or heard at each point during a specified time interval. This method provides information on the presence and abundance of individuals at these locations.
Question 5:
Which of the following population survey methods involves using remote sensing technologies to estimate population size or abundance?
Explanation: The correct answer is D) Remote sensing. Remote sensing involves the use of satellite or aerial imagery and other remote sensing technologies to estimate population size or abundance. This method can provide a broad-scale assessment of populations and their distribution across large areas.
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