Population Ecology — Important Questions
ICSE · Class 12 · Environmental Science
70 important questions from Population Ecology for ICSE Class 12 Environmental Science, with answers. Covers Population Regulation and Human.
Interactive on Super Tutor
Studying Population Ecology? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for important questions and more.
Free trial, no card needed.
Important Questions from Population Ecology
Which of the following can increase population size?
Show answer
Births, Immigration
Births and immigration increase population size, while deaths and emigration decrease it.
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.
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.
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)
Practise AllFrequently Asked Questions
What are the important topics in Population Ecology for ICSE Class 12 Environmental Science?
How many important questions are there in Population Ecology?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Population Ecology
Practice Quiz
Test yourself with a quick quiz
Revision Notes
Key points for last-minute revision
Formula Sheet
The chapter's formulas in one place
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect
Study Plan
Step-by-step plan for this chapter
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
For serious students
Get the full Population Ecology chapter — start free.
Quizzes, flashcards, an AI doubt solver and a study plan for ICSE Class 12 Environmental Science. Free to start, no card needed.