Lake Ecology MCQs with Answers

adminApril 6, 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

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

Precipitation

Transpiration

Leaching

2 / 40

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

Biological control

Fertilization

Overfishing

3 / 40

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

Immigration

Emigration

Lake turnover

4 / 40

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

Biodiversity

Biome

Biomass

5 / 40

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

Light

Nutrients

Temperature

6 / 40

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

Seaweed

Water lilies

Cattails

7 / 40

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

Fish

Sunlight

Bacteria

8 / 40

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

Denitrification

Nitrification

Ammonification

9 / 40

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

Succession

Eutrophication

Decomposition

10 / 40

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

Foxes

Birds

Turtles

11 / 40

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

Pollution

Eutrophication

Habitat loss

12 / 40

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

Sunlight

Depth

Humidity

13 / 40

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

Transpiration

Evaporation

Precipitation

14 / 40

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

Pollution

Biodiversity

Eutrophication

15 / 40

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

Climate change

Overfishing

Habitat loss

16 / 40

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

Transpiration

Evaporation

Condensation

17 / 40

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

Decomposition

Transpiration

Photosynthesis

18 / 40

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

Decomposition

Respiration

Photosynthesis

19 / 40

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

Denitrification

Nitrification

Ammonification

20 / 40

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

Oxygen

Nitrogen

Phosphorus

21 / 40

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

Consumers

Producers

Decomposers

22 / 40

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

Benthic

Limnetic

Littoral

23 / 40

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

Soil nutrients

Sunlight

Wind

24 / 40

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

Thermocline

Hypolimnion

Epilimnion

25 / 40

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

Desertification

Flood control

Soil compaction

26 / 40

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

Hydrology

Ecology

Limnology

27 / 40

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

Nutrient cycling

Erosion

Biomagnification

28 / 40

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

Biotic interaction

Trophic level

Food web

29 / 40

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

Plants

Other consumers

Dead organisms

30 / 40

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

Wind speed

Soil type

31 / 40

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

Bacterioplankton

Zooplankton

Phytoplankton

32 / 40

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

Hypolimnion

Thermocline

Epilimnion

33 / 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

34 / 40

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

Fertilizer runoff

Overfishing

Sewage discharge

35 / 40

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

Community

Population

Ecosystem

36 / 40

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

Algae

Fish

Turtle

37 / 40

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

Littoral

Benthic

Pelagic

38 / 40

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

Carnivores

Omnivores

Herbivores

39 / 40

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

Water filtration

Soil erosion

Air pollution

40 / 40

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

Predation

Mutualism

Competition

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adminApril 6, 2024

0 20 1 minute read