NEET-UG Biology

Sorting interactions by who gains and who loses — practice questions

8 questions in the bank on this idea. Below are 8 of them, exactly as they appear in a test.

Take the free diagnostic

No signup. Answers and worked solutions come with your result.

Question 1 · difficulty L1 · recall
An interaction in which both species are negatively affected by use of a limiting resource:
- A. commensalism
- B. predation
- C. competition
- D. mutualism
Question 2 · difficulty L1 · recall
An interaction in which both species benefit:
- A. predation
- B. amensalism
- C. mutualism
- D. competition
Question 3 · difficulty L1 · recall
An interaction in which one benefits and the host is harmed:
- A. mutualism
- B. commensalism
- C. parasitism
- D. amensalism
Question 4 · difficulty L1 · recall
An interaction in which one benefits and the other is neither helped nor harmed:
- A. commensalism
- B. parasitism
- C. competition
- D. amensalism
Question 5 · difficulty L1 · recall
An interaction in which one organism kills and consumes another:
- A. predation
- B. commensalism
- C. amensalism
- D. mutualism
Question 6 · difficulty L1 · recall
An interaction in which one species is harmed and the other is unaffected:
- A. predation
- B. commensalism
- C. amensalism
- D. mutualism
Question 7 · difficulty L1 · recall
The principle that complete competitors cannot coexist indefinitely under constant conditions:
- A. Gause competitive exclusion principle
- B. Hardy-Weinberg principle
- C. Mendel segregation
- D. Blackman law
Question 8 · difficulty L3 · application
In ecological interaction notation, which sign pattern represents predation?
- A. + / −
- B. + / +
- C. − / −
- D. 0 / 0

Want to know which of these you would get wrong?

Reading a question and answering it under a clock are different things. Take the 20-question diagnostic and see where the marks actually go.

Start the diagnostic →