Lake Ecology MCQs with Answers

adminApril 6, 2024Last Updated: July 16, 2024

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Welcome to the Lake Ecology MCQs with Answers. In this post, we have shared Lake Ecology Online Test for different competitive exams. Find practice Lake Ecology Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Lake Ecology.

Lake Ecology Online Quiz

By presenting 3 options to choose from, Lake Ecology Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Lake Ecology Questions and Answers and click over the correct answer.

Test Name: Lake Ecology MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Lake Ecology

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1 / 40

The process by which water changes from liquid to vapor or gas is called ___ .

Transpiration

Precipitation

Evaporation

2 / 40

___ is the study of interactions among organisms and their environment in a lake ecosystem.

Hydrology

Ecology

Limnology

3 / 40

Which of the following is the primary limiting factor for plant growth in lake ecosystems?

Light

Temperature

Nutrients

4 / 40

Which of the following is a primary benefit of wetlands in lake ecosystems?

Soil compaction

Flood control

Desertification

5 / 40

What is the term for the process of a lake gradually filling with sediments and organic matter?

Succession

Decomposition

Eutrophication

6 / 40

___ is the process of two organisms competing for the same resource in lake ecosystems.

Competition

Predation

Mutualism

7 / 40

What is the term for the layer of water in a lake where temperature rapidly decreases with depth?

Epilimnion

Hypolimnion

Thermocline

8 / 40

Which of the following is a common threat to lake biodiversity?

Climate change

Habitat loss

Overfishing

9 / 40

___ is the process by which nutrients are recycled within a lake ecosystem.

Nutrient cycling

Erosion

Biomagnification

10 / 40

What is the term for the process of water evaporating from the surface of a lake?

Condensation

Transpiration

Evaporation

11 / 40

What is the term for the total mass of living organisms in a lake ecosystem?

Biodiversity

Biome

Biomass

12 / 40

Which of the following is not a common macrophyte found in lake ecosystems?

Cattails

Water lilies

Seaweed

13 / 40

What is the term for the open water area of a lake away from the shore?

Benthic

Littoral

Pelagic

14 / 40

Which of the following is a natural process that increases oxygen levels in a lake?

Respiration

Decomposition

Photosynthesis

15 / 40

What is the term for organisms that consume both plants and animals in lake ecosystems?

Carnivores

Herbivores

Omnivores

16 / 40

Which of the following is not a primary nutrient essential for plant growth in lakes?

Nitrogen

Oxygen

Phosphorus

17 / 40

Which of the following is not a factor contributing to eutrophication in lakes?

Overfishing

Fertilizer runoff

Sewage discharge

18 / 40

What is the term for the migration of animals in and out of a lake ecosystem?

Immigration

Lake turnover

Emigration

19 / 40

Which of the following is not a common type of plankton found in lakes?

Phytoplankton

Bacterioplankton

Zooplankton

20 / 40

___ is the process of water moving through soil layers and carrying nutrients along with it in lake ecosystems.

Leaching

Precipitation

Transpiration

21 / 40

Which of the following is not a common predator in lake ecosystems?

Foxes

Turtles

Birds

22 / 40

What is the process of conversion of ammonia to nitrates by bacteria in lakes called?

Ammonification

Denitrification

Nitrification

23 / 40

What is the term for the process of conversion of atmospheric nitrogen into a usable form by bacteria in lakes?

Ammonification

Denitrification

Nitrogen fixation

24 / 40

What is the primary function of wetlands in a lake ecosystem?

Soil erosion

Water filtration

Air pollution

25 / 40

Which of the following is not a biotic factor in a lake ecosystem?

Sunlight

Bacteria

Fish

26 / 40

___ is the process by which dissolved nutrients are converted into gaseous forms in lake ecosystems.

Nitrification

Ammonification

Denitrification

27 / 40

What is the term for the feeding relationships between different species in lake ecosystems?

Trophic level

Biotic interaction

Food web

28 / 40

Which of the following is a common method for measuring water quality in lakes?

Soil type

Wind speed

29 / 40

What is the term for the introduction of harmful substances into a lake ecosystem?

Habitat loss

Pollution

Eutrophication

30 / 40

Which of the following is a characteristic of a healthy lake ecosystem?

Pollution

Biodiversity

Eutrophication

31 / 40

What is the term for the community of organisms living in a lake and their physical environment?

Population

Ecosystem

Community

32 / 40

___ is the process by which nutrients are released from dead organic matter.

Decomposition

Transpiration

Photosynthesis

33 / 40

Which type of organism breaks down dead organic matter into simpler substances in lake ecosystems?

Consumers

Decomposers

Producers

34 / 40

What is the primary source of energy for most organisms in a lake ecosystem?

Sunlight

Soil nutrients

Wind

35 / 40

The region where a lake meets the land is called the ___ zone.

Benthic

Limnetic

Littoral

36 / 40

What is the term for the layer of water in a lake where temperature remains relatively constant?

Hypolimnion

Epilimnion

Thermocline

37 / 40

Which of the following is a primary producer in a lake ecosystem?

Algae

Turtle

Fish

38 / 40

Which of the following is a method for controlling algae growth in lakes?

Overfishing

Fertilization

Biological control

39 / 40

In a lake ecosystem, what do primary consumers feed on?

Dead organisms

Plants

Other consumers

40 / 40

Which of the following is not a factor influencing lake temperature?

Depth

Sunlight

Humidity

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adminApril 6, 2024Last Updated: July 16, 2024

0 20 1 minute read