Biotic And Abiotic -Multiple Choice Questions Quiz

Question 1: What are biotic factors in an ecosystem?

(a) Non-living factors
(b) Physical factors
(c) Living organisms
(d) Climatic factors

Question 2: Which of the following is an abiotic factor?

(a) Trees
(b) Insects
(c) Sunlight
(d) Birds

Question 3: Which type of factor determines the temperature, humidity, and precipitation in an ecosystem?

(a) Biotic factors
(b) Abiotic factors
(c) Decomposers
(d) Producers

Question 4: What is an example of a biotic factor?

(a) Rocks
(b) Sunlight
(c) Trees
(d) Air

Question 5: Which of the following is an abiotic factor found in a marine ecosystem?

(a) Fish
(b) Seaweed
(c) Coral reefs
(d) Salinity

Question 6: What do biotic and abiotic factors together determine in an ecosystem?

(a) The species diversity
(b) The atmospheric pressure
(c) The day-night cycle
(d) The distance from the equator

Question 7: Which of the following is an example of a biotic factor affecting an ecosystem?

(a) Temperature
(b) Rainfall
(c) Predation by a predator
(d) Soil pH

Question 8: Which type of factor directly influences the reproductive success of plants and animals in an ecosystem?

(a) Biotic factors
(b) Abiotic factors
(c) Producers
(d) Decomposers

Question 9: Which of the following is an example of an abiotic factor in a desert ecosystem?

(a) Cactus plants
(b) Sand dunes
(c) Snakes
(d) Precipitation

Question 10: Which type of factor is responsible for the recycling of nutrients in an ecosystem?

(a) Biotic factors
(b) Abiotic factors
(c) Decomposers
(d) Producers

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Results:

Total score: /10

Answer key:

Question 1: c

Question 2: c

Question 3: b

Question 4: c

Question 5: d

Question 6: a

Question 7: c

Question 8: b

Question 9: d

Question 10: c