For which of the following cases, population density can be easily determined by utilizing non-biological parameter?

Fish density

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Density of bacteria in culture plate

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Siberian cranes at Bharatpur wetlands

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Tiger census

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Solution

The correct option is A Fish density
Non biological parameters of water can be easily used to determine the population density of the fishes.
Bacteria, Siberian cranes and Tigers are impacted heavily by biological parameters and their population cannot be just estimated on the basis of non biological parameters.
These parameters include :
Presence of heavy metals
pH of water
Mineral content like nitrates and phosphorus
Temperature
Dissolved oxygen
Turbidity
So the correct answer is 'Fish'.

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Similar questions

Which of the following statement(s) is/are incorrect as per census 2011?

1. The population density in India as per the 2011, Census (No. of persons per km² of area) is 382

2. The urban population as per Census 2011 approximately constitutes 28 % of the total population.

3. Approximately 70% to 75% of total female population of India is literate.

4. Census data is given by Ministry of Human Resource Development.

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