Stream Ecology MCQs with Answers

adminApril 6, 2024

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

Stream Ecology Online Quiz

By presenting 3 options to choose from, Stream 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 Stream Ecology Questions and Answers and click over the correct answer.

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

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Stream Ecology

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1 / 40

Which of the following is a common organism found in streams?

Trout

Polar bear

Cactus

2 / 40

What is the term for the process by which streams naturally filter and purify water?

Oxidation

Desalination

Filtration

3 / 40

Which of the following is not a type of stream based on habitat?

Pool

Desert

Riffle

4 / 40

What is the term for the decomposition of organic matter in streams?

Methanogenesis

Decomposition

Aerobic decay

5 / 40

Which of the following is a characteristic of riffle habitats in streams?

Low oxygen levels

Deep water

Fast-flowing water

6 / 40

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

Succession

Decomposition

Eutrophication

7 / 40

In a stream ecosystem, what is the primary source of energy for most organisms?

Minerals

Organic matter

Sunlight

8 / 40

What is the term for the process of breaking down organic matter by microorganisms in streams?

Decomposition

Ammonification

Denitrification

9 / 40

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

Overfishing

Soil erosion

Habitat loss

10 / 40

Which of the following is not a characteristic of riffle habitats in streams?

Shallow water

Gravel substrate

Slow-flowing water

11 / 40

Which of the following is not a type of freshwater stream?

River

Mountain stream

Estuary

12 / 40

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

Hydrology

Limnology

Ecology

13 / 40

Which of the following is a common method for monitoring stream health?

Soil sampling

Air sampling

Biological sampling

14 / 40

What is the term for the total range of environmental conditions suitable for the existence of a species?

Biosphere

Niche

Habitat

15 / 40

Which of the following is not a type of stream based on flow rate?

Perennial

Intermittent

Torrential

16 / 40

What is the term for the process of water seeping out of streams and recharging groundwater?

Groundwater mining

Groundwater depletion

Groundwater recharge

17 / 40

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

Wind speed

Depth

Shade

18 / 40

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

Biodiversity

Pollution

Desertification

19 / 40

What is the term for the process of converting sunlight into chemical energy by autotrophic organisms in streams?

Respiration

Decomposition

Photosynthesis

20 / 40

Which of the following is not a function of streams?

Habitat for wildlife

Air purification

Nutrient transport

21 / 40

What is the term for the area in a stream where water is relatively calm and deep?

Run

Riffle

Pool

22 / 40

Which of the following is a characteristic feature of streams?

Still water

High elevation

Flowing water

23 / 40

___ is the process by which streams transport sediment downstream.

Erosion

Evaporation

Condensation

24 / 40

Which of the following is a common indicator of water quality in streams?

Soil type

Wind speed

25 / 40

Which of the following is not a factor influencing stream productivity?

Species diversity

Nutrient availability

pH level

26 / 40

What is the term for the gradual conversion of streams into deserts?

Stream conservation

Stream restoration

Desertification

27 / 40

What is the term for the conversion of organic matter into coal-like material in streams?

Coalification

Liquefaction

Peatification

28 / 40

Which of the following is a common indicator of stream health?

Desertification

Presence of indicator species

Soil erosion

29 / 40

What is the term for the layer of soil in a stream that is saturated with water?

Aquifer

Water table

Aquiclude

30 / 40

What is the term for the process of stream organisms becoming more concentrated in toxins as they move up the food chain?

Biomagnification

Nutrient cycling

Carbonization

31 / 40

What is the term for the process of restoring degraded streams to their natural state?

Stream drainage

Stream restoration

Stream conservation

32 / 40

___ is the process by which streams deposit sediment and build up landforms.

Leaching

Deposition

Desalination

33 / 40

Which of the following is not a common method for stream restoration?

Riparian planting

Channelization

Dam construction

34 / 40

Which of the following is not a function of stream soils?

Oxygenation

Nutrient cycling

Carbon storage

35 / 40

What is the term for the area where a stream meets the land?

Riparian zone

Erosion zone

Aquatic zone

36 / 40

Which of the following is a common function of constructed stream channels?

Logging

Flood control

Water pollution control

37 / 40

What is the primary source of water in a stream?

Glacier meltwater

Groundwater

Precipitation

38 / 40

What is the term for the process of streams capturing and storing carbon from the atmosphere?

Carbonization

Carbon sequestration

Carbon cycling

39 / 40

What is the term for the loss of water from streams due to human activities or climate change?

Stream restoration

Stream conservation

Stream drying

40 / 40

Which of the following is not a factor influencing stream ecosystems?

Soil type

Flow rate

pH level

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adminApril 6, 2024

0 19 1 minute read