Lake Ecology MCQs with Answers

adminApril 6, 2024

0 18 1 minute read

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

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

Pollution

Eutrophication

Habitat loss

2 / 40

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

Soil type

Wind speed

3 / 40

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

Oxygen

Phosphorus

Nitrogen

4 / 40

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

Fish

Algae

Turtle

5 / 40

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

Mutualism

Competition

Predation

6 / 40

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

Lake turnover

Immigration

Emigration

7 / 40

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

Carnivores

Herbivores

Omnivores

8 / 40

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

Water lilies

Seaweed

Cattails

9 / 40

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

Hypolimnion

Thermocline

Epilimnion

10 / 40

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

Transpiration

Evaporation

Precipitation

11 / 40

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

Limnetic

Littoral

Benthic

12 / 40

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

Wind

Soil nutrients

Sunlight

13 / 40

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

Biomagnification

Erosion

Nutrient cycling

14 / 40

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

Food web

Trophic level

Biotic interaction

15 / 40

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

Biome

Biomass

Biodiversity

16 / 40

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

Photosynthesis

Decomposition

Transpiration

17 / 40

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

Respiration

Photosynthesis

Decomposition

18 / 40

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

Depth

Sunlight

Humidity

19 / 40

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

Birds

Turtles

Foxes

20 / 40

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

Eutrophication

Decomposition

Succession

21 / 40

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

Bacteria

Fish

Sunlight

22 / 40

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

Nitrogen fixation

Ammonification

Denitrification

23 / 40

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

Hydrology

Limnology

Ecology

24 / 40

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

Temperature

Light

Nutrients

25 / 40

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

Consumers

Producers

Decomposers

26 / 40

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

Denitrification

Ammonification

Nitrification

27 / 40

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

Ammonification

Denitrification

Nitrification

28 / 40

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

Community

Ecosystem

Population

29 / 40

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

Desertification

Flood control

Soil compaction

30 / 40

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

Soil erosion

Water filtration

Air pollution

31 / 40

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

Littoral

Pelagic

Benthic

32 / 40

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

Zooplankton

Phytoplankton

Bacterioplankton

33 / 40

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

Thermocline

Epilimnion

Hypolimnion

34 / 40

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

Eutrophication

Pollution

Biodiversity

35 / 40

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

Evaporation

Transpiration

Condensation

36 / 40

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

Biological control

Fertilization

Overfishing

37 / 40

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

Plants

Other consumers

Dead organisms

38 / 40

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

Habitat loss

Overfishing

Climate change

39 / 40

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

Transpiration

Leaching

Precipitation

40 / 40

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

Fertilizer runoff

Sewage discharge

Overfishing

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adminApril 6, 2024

0 18 1 minute read