0654 B12 Organisms and Their Environment Quiz

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Question 1 of 50

Which of the following is an example of a food chain?

Select one of the following:

A carnivore → herbivore → producer
B flower → fruit → seed
C grass → antelope → lion
D starch → maltose→ glucose

Explanation

Question 2 of 50

Which diagram shows a pyramid of biomass for a woodland?

Select one of the following:

Explanation

Question 3 of 50

The diagram shows the movements of water between oceans, land and the air.
The figures are based on an annual mean precipitation of 100 units.

What is the total of evaporation from the land and transpiration from plants at X?

Select one of the following:

A 7
B 13
C 16
D 77

Explanation

Question 4 of 50

What is shown in the diagram?

Select one of the following:

A a food web
B non-cyclical energy flow
C the carbon cycle
D the water cycle

Explanation

Question 5 of 50

The graph shows a population growth curve.

Which factors would cause region X on the graph to become steeper?

Select one of the following:

A decrease in predation, decrease in food supply
B increase in food supply, decrease in disease
C increase in food supply, increase in predation
D increase in predation, decrease in disease

Explanation

Question 6 of 50

The diagram shows a simple food chain.

If a disease causes the number of herbivores to decrease, what will be the effect on the numbers of green plants and carnivores?

Select one of the following:

Explanation

Question 7 of 50

In the food chain shown, the population of snakes is halved owing to a viral disease.

What effect does this have on the other members of the food chain?

Select one of the following:

Explanation

Question 8 of 50

Which is an example of a population?

Select one of the following:

A all the animals and plants living in a pond
B all the mahogany trees growing in a forest
C all the people born in a country over a period of 100 years
D all the species of animals in Africa

Explanation

Question 9 of 50

The diagram represents the carbon cycle.

Which process is represented by arrow X?

Select one of the following:

A combustion
B feeding
C photosynthesis
D respiration

Explanation

Question 10 of 50

The graph shows the increase in the human population of the world since 1630.

What was the longest time taken for the population to double?

Select one of the following:

A 100 years
B 200 years
C 300 years
D 400 years

Explanation

Question 11 of 50

The diagram shows a food chain.

What is the correct pyramid of numbers for this food chain?

Select one of the following:

Explanation

Question 12 of 50

Which process is not part of the water cycle?

Select one of the following:

A condensation
B fossilisation
C precipitation
D transpiration

Explanation

Question 13 of 50

Which processes are part of the carbon cycle?

Select one of the following:

Explanation

Question 14 of 50

The surface waters of the ocean contain a population of microscopic plants.

Which factor would result in fewer of these plants?

Select one of the following:

A an increase in the population of microscopic animals
B greater concentration of mineral nutrients
C higher temperature
D more light

Explanation

Question 15 of 50

By which process does water enter the atmosphere?

Select one of the following:

A condensation
B photosynthesis
C precipitation
D transpiration

Explanation

Question 16 of 50

The diagram shows organisms feeding on a dead rat and one of the organisms which, in turn, feeds on them.

What is needed to complete the food chain?

Select one of the following:

A carnivore
B consumer
C predator
D producer

Explanation

Question 17 of 50

The diagram shows part of the carbon cycle.

Which labelled arrow represents photosynthesis?

Select one of the following:

Explanation

Question 18 of 50

The diagram shows a food web.

Which organisms feed on the greatest variety of other organisms, as shown in this food web?

Select one of the following:

A crabs
B limpets
C lobsters
D mussels

Explanation

Question 19 of 50

In 2005, fifteen mice were set free on an island where mice had never lived before. The table
shows how their population changed over the next three years.

What caused the population change shown in the table?

Select one of the following:

A lack of food
B lack of predators
C lack of space
D lack of water

Explanation

Question 20 of 50

Which pathway is taken by energy from the Sun?

Select one of the following:

Explanation

Question 21 of 50

Which organisms remove carbon dioxide from the atmosphere?

Select one of the following:

A carnivores
B decomposers
C herbivores
D producers

Explanation

Question 22 of 50

The diagram shows the water cycle.

Which letter represents "transpiration"?

Select one of the following:

Explanation

Question 23 of 50

The diagram shows a simple water cycle.

What is responsible for water loss from the tree?

Select one of the following:

A evaporation
B respiration
C photosynthesis
D translocation

Explanation

Question 24 of 50

A food chain shows how organisms depend on each other for their sources of energy, but all energy comes ultimately from one source.

What is this energy source?

Select one of the following:

A leaves of plants
B meat
C sunlight
D water

Explanation

Question 25 of 50

The graphs show the number of carnivores in a habitat over a period of time.
At time X the herbivores in their food chain are removed from the habitat.

Which graph shows the effect of this on the number of carnivores?

Select one of the following:

Explanation

Question 26 of 50

Which factors affect the rate of growth of a plant population?

Select one of the following:

Explanation

Question 27 of 50

The diagram shows a food web.

What type of organism is X?

Select one of the following:

A a carnivore
B a decomposer
C a herbivore
D a producer

Explanation

Question 28 of 50

What can be continuously recycled in ecosystems?

Select one of the following:

Explanation

Question 29 of 50

Which of the following is an example of a food chain?

Select one of the following:

A carnivore → herbivore → producer
B flower → fruit → seed
C grass → antelope → lion
D starch → maltose → glucose

Explanation

Question 30 of 50

Which pair of statements about energy flow in ecosystems is correct?

Select one of the following:

Explanation

Question 31 of 50

Herbivores take in carbon atoms from plants.

How do carbon atoms leave the herbivores?

Select one of the following:

Explanation

Question 32 of 50

In which natural cycles do photosynthesis and respiration both play a part?

Select one of the following:

Explanation

Question 33 of 50

In which stages in the water cycle is the water in vapour form?

Select one of the following:

Explanation

Question 34 of 50

The diagram shows a pyramid of biomass for all organisms in an ecosystem.

Which organisms are carnivores?

Select one of the following:

A P and Q
B P and R
C Q and R
D R and S

Explanation

Question 35 of 50

Which process removes carbon dioxide from the atmosphere?

Select one of the following:

A combustion
B decomposition
C photosynthesis
D respiration

Explanation

Question 36 of 50

The three-toed sloth is a mammal that lives in the forests of Central America. Sloths are eaten by
wild cats such as jaguars and also by snakes. The sloths mainly eat leaves.

What is the original source of the energy supplied to the jaguars?

Select one of the following:

A leaves
B sloths
C snakes
D Sun

Explanation

Question 37 of 50

The graphs show the changes in the populations of predator and prey over a period of time.

Which point on the graph shows a decrease in predator population?

Select one of the following:

Explanation

Question 38 of 50

Which statement explains why the energy flow in a food chain is in one direction?

Select one of the following:

A Decomposers recycle nutrients for plants.
B Energy is not recycled.
C Plants convert light energy to chemical energy.
D The number of organisms decreases at each level in the food chain.

Explanation

Question 39 of 50

The diagram shows part of the carbon cycle.

Which letter represents photosynthesis?

Select one of the following:

Explanation

Question 40 of 50

The numbers in the diagram below show the amount of energy, in kJ, transferred through a part of an ecosystem.

How much energy, in kJ, is transferred from herbivores to carnivores?

Select one of the following:

A 15000 + 13200
B 15000 - 13200
C 88000 + 15000
D 88000 - 15000

Explanation

Question 41 of 50

The diagram shows the positions of four farms and the concentrations of nitrate at different points in a river.

Which farm is likely to have been using too much fertiliser on its land?

Select one of the following:

Explanation

Question 42 of 50

The diagram shows a food chain.
rice plant → caterpillar → song bird → hawk

How many decomposers are shown in this food chain?

Select one of the following:

Explanation

Question 43 of 50

The diagram shows the positions of four farms and the concentrations of nitrate at different points in a river.

Which farm is likely to have been using too much fertiliser on its land?

Select one of the following:

Explanation

Question 44 of 50

The table shows some information about two closely related species of sea bird.

Sewage pollution at the mouth of a river destroys its fish stocks.

What is likely to happen to local populations of these birds?

Select one of the following:

A There will be no change to either species.
B Species X numbers will decrease, species Y will remain constant.
C Species Y numbers will decrease, species X will remain constant.
D Both species numbers will increase.

Explanation

Question 45 of 50

Three human activities are listed.

1 burning fossil fuels
2 deforestation
3 overusing fertilisers

Which activities can cause the change shown in the graph?

Select one of the following:

A 1, 2 and 3
B 1 and 2 only
C 1 only
D 2 and 3 only

Explanation

Question 46 of 50

What is a reason for conserving plant species?

Select one of the following:

A to absorb oxygen from the air
B to decrease rainfall
C to obtain drugs for medicinal use
D to release carbon dioxide into the air

Explanation

Question 47 of 50

What is reduced after deforestation?

Select one of the following:

A force of rain hitting the ground
B rainwater run-off
C soil erosion
D soil fertility

Explanation

Question 48 of 50

The diagram shows four positions on a river where water samples were taken.

Which graph shows oxygen concentrations in the river?

Select one of the following:

Explanation

Question 49 of 50

A large amount of herbicide is applied to a field. Heavy rainfall carries much of it into a nearby lake.

What will be the effect of this on the lake?

Select one of the following:

A Herbicide decreases the growth of water plants.
B Herbicide decreases the number of bacteria.
C Herbicide increases the rate of evaporation from the lake.
D Herbicide kills the fish.

Explanation

Question 50 of 50

Which two gases both contribute to global warming?

Select one of the following:

A carbon dioxide and methane
B methane and oxygen
C oxygen and sulfur dioxide
D sulfur dioxide and carbon dioxide

Explanation

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	Created by Jeffrey Piggott over 5 years ago

Quiz for 0654 B12 organisms and their environment

0654 B12 Organisms and Their Environment Quiz

Question 1 of 50

Which of the following is an example of a food chain?

Select one of the following:

Explanation

Question 2 of 50

Which diagram shows a pyramid of biomass for a woodland?

Select one of the following:

Explanation

Question 3 of 50

The diagram shows the movements of water between oceans, land and the air. The figures are based on an annual mean precipitation of 100 units. What is the total of evaporation from the land and transpiration from plants at X?

Select one of the following:

Explanation

Question 4 of 50

What is shown in the diagram?

Select one of the following:

Explanation

Question 5 of 50

The graph shows a population growth curve. Which factors would cause region X on the graph to become steeper?

Select one of the following:

Explanation

Question 6 of 50

The diagram shows a simple food chain. If a disease causes the number of herbivores to decrease, what will be the effect on the numbers of green plants and carnivores?

Select one of the following:

Explanation

Question 7 of 50

In the food chain shown, the population of snakes is halved owing to a viral disease. What effect does this have on the other members of the food chain?

Select one of the following:

Explanation

Question 8 of 50

Which is an example of a population?

Select one of the following:

Explanation

Question 9 of 50

The diagram represents the carbon cycle. Which process is represented by arrow X?

Select one of the following:

Explanation

Question 10 of 50

The graph shows the increase in the human population of the world since 1630. What was the longest time taken for the population to double?

Select one of the following:

Explanation

Question 11 of 50

The diagram shows a food chain. What is the correct pyramid of numbers for this food chain?

Select one of the following:

Explanation

Question 12 of 50

Which process is not part of the water cycle?

Select one of the following:

Explanation

Question 13 of 50

Which processes are part of the carbon cycle?

Select one of the following:

Explanation

Question 14 of 50

The surface waters of the ocean contain a population of microscopic plants. Which factor would result in fewer of these plants?

Select one of the following:

Explanation

Question 15 of 50

By which process does water enter the atmosphere?

Select one of the following:

Explanation

Question 16 of 50

The diagram shows organisms feeding on a dead rat and one of the organisms which, in turn, feeds on them. What is needed to complete the food chain?

Select one of the following:

Explanation

Question 17 of 50

The diagram shows part of the carbon cycle. Which labelled arrow represents photosynthesis?

Select one of the following:

Explanation

Question 18 of 50

The diagram shows a food web. Which organisms feed on the greatest variety of other organisms, as shown in this food web?

Select one of the following:

Explanation

Question 19 of 50

In 2005, fifteen mice were set free on an island where mice had never lived before. The table shows how their population changed over the next three years. What caused the population change shown in the table?

Select one of the following:

Explanation

Question 20 of 50

Which pathway is taken by energy from the Sun?

The diagram shows the movements of water between oceans, land and the air.
The figures are based on an annual mean precipitation of 100 units.

What is the total of evaporation from the land and transpiration from plants at X?

The graph shows a population growth curve.

Which factors would cause region X on the graph to become steeper?

The diagram shows a simple food chain.

If a disease causes the number of herbivores to decrease, what will be the effect on the numbers of green plants and carnivores?

In the food chain shown, the population of snakes is halved owing to a viral disease.

What effect does this have on the other members of the food chain?

The diagram represents the carbon cycle.

Which process is represented by arrow X?

The graph shows the increase in the human population of the world since 1630.

What was the longest time taken for the population to double?

The diagram shows a food chain.

What is the correct pyramid of numbers for this food chain?

The surface waters of the ocean contain a population of microscopic plants.

Which factor would result in fewer of these plants?

The diagram shows organisms feeding on a dead rat and one of the organisms which, in turn, feeds on them.

What is needed to complete the food chain?

The diagram shows part of the carbon cycle.

Which labelled arrow represents photosynthesis?

The diagram shows a food web.

Which organisms feed on the greatest variety of other organisms, as shown in this food web?

In 2005, fifteen mice were set free on an island where mice had never lived before. The table
shows how their population changed over the next three years.

What caused the population change shown in the table?

The diagram shows the water cycle.

Which letter represents "transpiration"?

The diagram shows a simple water cycle.

What is responsible for water loss from the tree?

A food chain shows how organisms depend on each other for their sources of energy, but all energy comes ultimately from one source.

What is this energy source?

The graphs show the number of carnivores in a habitat over a period of time.
At time X the herbivores in their food chain are removed from the habitat.

Which graph shows the effect of this on the number of carnivores?

The diagram shows a food web.

What type of organism is X?

Herbivores take in carbon atoms from plants.

How do carbon atoms leave the herbivores?

The diagram shows a pyramid of biomass for all organisms in an ecosystem.

Which organisms are carnivores?

The three-toed sloth is a mammal that lives in the forests of Central America. Sloths are eaten by
wild cats such as jaguars and also by snakes. The sloths mainly eat leaves.

What is the original source of the energy supplied to the jaguars?

The graphs show the changes in the populations of predator and prey over a period of time.

Which point on the graph shows a decrease in predator population?