John Loughlin
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Ecology revision questions

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John Loughlin
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Chapter 4: Ecology Revision Questions

Question 1 of 34

1

Ecology:

Select one of the following:

  • is the place where a plant or animal lives

  • is the study of the interactions between organisms and between organisms and their environment

  • is all the members of the same species living in the habitat

  • is that part of the planet in which living organisms can be found

Explanation

Question 2 of 34

1

An ecosystem:

Select one of the following:

  • is the study of the interactions between organisms and between organisms and their environment

  • is that part of the planet in which living organisms can be found

  • is the place where a plant or animal lives

  • is a group of clearly distinguished organisms that interact with their environment as a unit

Explanation

Question 3 of 34

1

The biosphere:

Select one of the following:

  • is that part of the planet in which living organisms can be found

  • is the place where a plant or animal lives

  • is all the members of the same species living in the habitat

  • is the study of the interactions between organisms and between organisms and their environment

Explanation

Question 4 of 34

1

A habitat:

Select one of the following:

  • is the study of the interactions between organisms and between organisms and their environment

  • is all the different populations of species living in the habitat

  • is the place where a plant or animal lives

  • is that part of the planet in which living organisms can be found

Explanation

Question 5 of 34

1

A population:

Select one of the following:

  • is the study of the interactions between organisms and between organisms and their environment

  • is all the members of the same species living in the habitat

  • is all the different populations of species living in the habitat

  • is a group of clearly distinguished organisms that interact with their environment as a unit

Explanation

Question 6 of 34

1

A community:

Select one of the following:

  • is all the different populations of species living in the habitat

  • is all the members of the same species living in the habitat

  • is the study of the interactions between organisms and between organisms and their environment

  • is that part of the planet in which living organisms can be found

Explanation

Question 7 of 34

1

What type of factors are abiotic factors?

Select one of the following:

  • Living

  • Non-living

  • Disease-causing

  • Healthy

Explanation

Question 8 of 34

1

What type of factors are biotic factors?

Select one of the following:

  • Living

  • Non-living

  • Disease-causing

  • Healthy

Explanation

Question 9 of 34

1

Edaphic factors have to do with the:

Select one of the following:

  • Water

  • Weather

  • Air

  • Soil

Explanation

Question 10 of 34

1

What is a 'producer'?

Select one of the following:

  • An organism that gets its food from other living organisms

  • An organism that makes its own food

  • An organism that does not need food

  • An organism that can both make its own food and get food from other living organisms

Explanation

Question 11 of 34

1

Consumers are:

Select one of the following:

  • organisms that do not require food

  • organisms that make their own food

  • organisms that kill other organisms

  • organisms that obtain their food from other organisms

Explanation

Question 12 of 34

1

A grazing food chain is a:

Select one of the following:

  • sequence of organisms in which each one is eaten by the next member in the chain

  • sequence of organisms that live in the same habitat

  • sequence of organisms in which the last organism eats all the others

  • sequence of organisms in which the first organism eats the others

Explanation

Question 13 of 34

1

→Rabbit → Fox

Drag and drop to complete the text.

    Grass
    Ash tree
    Horse Chestnut tree
    Bamboo

Explanation

Question 14 of 34

1

A pyramid of numbers

Select one of the following:

  • represents the number of organisms in each food chain

  • represents the number of organisms at each stage in a food chain

  • represents the number of stages in a food chain

  • represents the number of food chains in an ecosystem

Explanation

Question 15 of 34

1

A food web

Select one of the following:

  • consists of a population of organisms living in a habitat

  • consists of a number of different species living in the same habitat

  • consists of two or more interlinked food chains

  • consists of two or more separate food chains

Explanation

Question 16 of 34

1

A niche is

Select one of the following:

  • the functional role an organism plays in a particular habitat

  • the way an organism feeds in its habitat

  • an organism's food supply

  • an organism's offspring

Explanation

Question 17 of 34

1

In the carbon cycle elemental carbon in carbon dioxide enters living organisms through the process of:

Select one of the following:

  • Digestion

  • Respiration

  • Protein synthesis

  • Photosynthesis

Explanation

Question 18 of 34

1

In the carbon cycle, elemental carbon in living organisms enters the atmosphere through the process of:

Select one of the following:

  • Respiration

  • Protein synthesis

  • Photosynthesis

  • Digestion

Explanation

Question 19 of 34

1

Burning of fossil fuels is a major contributor to the carbon dioxide in the atmosphere.

Select one of the following:

  • True
  • False

Explanation

Question 20 of 34

1

In the nitrogen cycle, elemental nitrogen enters living organisms mostly via:

Select one of the following:

  • Plants

  • Fungi

  • Bacteria

  • Animals

Explanation

Question 21 of 34

1

In the nitrogen cycle, nitrogen fixation is:

Select one of the following:

  • the conversion of nitrates to ammonia

  • the conversion of ammonia to nitrates

  • the conversion of nitrogen gas to nitrates

  • the conversion of nitrates to nitrogen gas

Explanation

Question 22 of 34

1

In the nitrogen cycle, nitrification is:

Select one of the following:

  • the conversion of ammonia to nitrates

  • the conversion of nitrates to ammonia

  • the conversion of nitrogen gas to nitrates

  • the conversion of nitrates to nitrogen gas

Explanation

Question 23 of 34

1

Denitrification is:

Select one of the following:

  • the conversion of nitrates to nitrogen gas

  • the conversion of nitrogen gas to nitrates

  • the conversion of nitrates to ammonia

  • the conversion of ammonia to nitrates

Explanation

Question 24 of 34

1

Assimilation is an important process in both the carbon and nitrogen cycles. Which of the following statements correctly describes assimilation?

Select one of the following:

  • Conversion of plant biomolecules into animal biomolecules

  • Conversion of animal biomolecules into plant biomolecules

  • Conversion of animal remains into humus

  • Conversion of plant remains into fossil fuels

Explanation

Question 25 of 34

1

The carbon and nitrogen cycles are important parts of 'nutrient recycling'. Which of the following statements correctly describes nutrient recycling?

Select one of the following:

  • Nutrients are passed from one organism to the next

  • Reuse of elements present in living organisms

  • Nutrients are passed back and forth between two organisms

  • Reuse of food by a particular organism

Explanation

Question 26 of 34

1

Pollution is

Select one of the following:

  • the reuse of elements in living organisms

  • any harmful addition to the environment

  • the getting rid of waste products of metabolism

  • the sum of all the chemical reactions in an organism

Explanation

Question 27 of 34

1

Conservation is:

Select one of the following:

  • the wise management of our existing natural resources

  • any harmful addition to the environment

  • the reabsorption of water in an organism

  • the management of a living organsism

Explanation

Question 28 of 34

1

Which of the following is NOT a problem associated with waste disposal?

Select one of the following:

  • Landfill sites are unsightly

  • Pollution

  • Disease-causing organisms

  • Can be used to produce energy

Explanation

Question 29 of 34

1

Which of the following is NOT one of the 'three Rs' associated with waste minimisation?

Select one of the following:

  • Reduce

  • Recycle

  • Restriction

  • Reuse

Explanation

Question 30 of 34

1

Which of the following is NOT an ecological relationship?

Select one of the following:

  • Symbiosis

  • Predation

  • Competition

  • Parasitism

  • Pollution

Explanation

Question 31 of 34

1

Competition is

Select one of the following:

  • the struggle for a resource

  • the catching, killing, and eating of another organism

  • when one organism lives in or on another organism, called the host, and the host is harmed

  • when two organisms of different species live in close association and at least one of them benefits

Explanation

Question 32 of 34

1

Predation is:

Select one of the following:

  • the struggle for a resource

  • the catching, killing and eating of another organism

  • where one organism lives in or on another organism, called the host, and the host is harmed

  • where two organisms of different species live in close association and at least one of them benefits

Explanation

Question 33 of 34

1

Symbiosis is:

Select one of the following:

  • where two organisms of different species live in close association and at least one of them benefits

  • where one organism lives in or on another organism, called the host, and the host is harmed

  • the catching, killing and eating of another organism

  • the struggle for a resource

Explanation

Question 34 of 34

1

Parasitism is:

Select one of the following:

  • where two organisms of different species live in close association and at least one of them benefits

  • where one organisms lives in or on another organism, called the host, and the host is harmed

  • the catching, killing and eating of another organism

  • the struggle for a resource

Explanation

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