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Practice Quiz

Population Ecology — Practice Quiz

ICSE · Class 12 · Environmental Science

Try a 4-question quiz on Population Ecology for ICSE Class 12 Environmental Science: tap an answer to check it and see why.

70 questions44 flashcards4 formulas & key relations5 concepts

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Quick Quiz: Population Ecology

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Tap an answer to check it instantly. No sign-up needed for these 4.

1

What does the term population mean in ecology?

2

Which formula gives population density correctly?

3

Which factor influences population density?

4

What is a deme in population ecology?

70 Questions·
multiple choicemultiple correct

Sample Questions

1multiple correct
1 marks

Which of the following can increase population size?

Show answer

Births, Immigration

Births and immigration increase population size, while deaths and emigration decrease it.

2multiple choice
1 marks

What does immigration mean in population ecology?

Show answer

Permanent addition of individuals to a population by movement from other locations

Immigration is the number of individuals permanently added to a population by movement from other locations.

3multiple choice
1 marks

What does emigration do to population size?

Show answer

It decreases population size as individuals permanently leave

Emigration causes population size to decrease because individuals permanently leave the population.

4multiple choice
1 marks

What is the correct expression for change in population size?

Show answer

N_t = N_0 + (B + I) - (D + E)

The change in population size is calculated as original population plus births and immigration minus deaths and emigration.

+66 more questions on Population Ecology (ICSE Class 12 Environmental Science)

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Frequently Asked Questions

What are the important topics in Population Ecology for ICSE Class 12 Environmental Science?
Key topics in Population Ecology include Population refers to the total number, Population size is the total number, Birth rate and death rate change, The change in population size. Study these first, then practise questions on each for the ICSE Class 12 board exam.
How many practice questions are there for Population Ecology?
There are 70 questions on Population Ecology. Try the 4-question sample quiz on this page first; each answer shows an explanation when you tap it.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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