16386759
Descripción
Test por Jeffrey Piggott, actualizado hace más de 1 año
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Creado por Jeffrey Piggott
hace casi 6 años
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Pregunta 1
Pregunta
Which of the following is an example of a food chain?
Respuesta
-
A carnivore → herbivore → producer
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B flower → fruit → seed
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C grass → antelope → lion
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D starch → maltose→ glucose
Pregunta 2
Respuesta
-
A
-
B
-
C
-
D
Pregunta 3
Pregunta
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?
Image:
Q3 (binary/octet-stream)
Respuesta
-
A 7
-
B 13
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C 16
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D 77
Pregunta 4
Respuesta
-
A a food web
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B non-cyclical energy flow
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C the carbon cycle
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D the water cycle
Pregunta 5
Pregunta
The graph shows a population growth curve.
Which factors would cause region X on the graph to become steeper?
Respuesta
-
A decrease in predation, decrease in food supply
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B increase in food supply, decrease in disease
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C increase in food supply, increase in predation
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D increase in predation, decrease in disease
Pregunta 6
Pregunta
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?
Image:
Q2 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 7
Pregunta
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?
Image:
Q3 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 8
Pregunta
Which is an example of a population?
Respuesta
-
A all the animals and plants living in a pond
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B all the mahogany trees growing in a forest
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C all the people born in a country over a period of 100 years
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D all the species of animals in Africa
Pregunta 9
Pregunta
The diagram represents the carbon cycle.
Which process is represented by arrow X?
Image:
Q5 (binary/octet-stream)
Respuesta
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A combustion
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B feeding
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C photosynthesis
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D respiration
Pregunta 10
Pregunta
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?
Image:
Q6 (binary/octet-stream)
Respuesta
-
A 100 years
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B 200 years
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C 300 years
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D 400 years
Pregunta 11
Pregunta
The diagram shows a food chain.
What is the correct pyramid of numbers for this food chain?
Image:
Q7 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 12
Pregunta
Which process is not part of the water cycle?
Respuesta
-
A condensation
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B fossilisation
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C precipitation
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D transpiration
Pregunta 13
Respuesta
-
A
-
B
-
C
-
D
Pregunta 14
Pregunta
The surface waters of the ocean contain a population of microscopic plants.
Which factor would result in fewer of these plants?
Respuesta
-
A an increase in the population of microscopic animals
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B greater concentration of mineral nutrients
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C higher temperature
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D more light
Pregunta 15
Pregunta
By which process does water enter the atmosphere?
Respuesta
-
A condensation
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B photosynthesis
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C precipitation
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D transpiration
Pregunta 16
Pregunta
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?
Image:
Q12 (binary/octet-stream)
Respuesta
-
A carnivore
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B consumer
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C predator
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D producer
Pregunta 17
Pregunta
The diagram shows part of the carbon cycle.
Which labelled arrow represents photosynthesis?
Image:
Q13 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 18
Pregunta
The diagram shows a food web.
Which organisms feed on the greatest variety of other organisms, as shown in this food web?
Image:
Q14 (binary/octet-stream)
Respuesta
-
A crabs
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B limpets
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C lobsters
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D mussels
Pregunta 19
Pregunta
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?
Image:
Q15 (binary/octet-stream)
Respuesta
-
A lack of food
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B lack of predators
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C lack of space
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D lack of water
Pregunta 20
Respuesta
-
A
-
B
-
C
-
D
Pregunta 21
Pregunta
Which organisms remove carbon dioxide from the atmosphere?
Respuesta
-
A carnivores
-
B decomposers
-
C herbivores
-
D producers
Pregunta 22
Pregunta
The diagram shows the water cycle.
Which letter represents "transpiration"?
Image:
Q18 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 23
Pregunta
The diagram shows a simple water cycle.
What is responsible for water loss from the tree?
Image:
Q19 (binary/octet-stream)
Respuesta
-
A evaporation
-
B respiration
-
C photosynthesis
-
D translocation
Pregunta 24
Pregunta
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?
Respuesta
-
A leaves of plants
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B meat
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C sunlight
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D water
Pregunta 25
Pregunta
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?
Image:
Q21 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 26
Pregunta
Which factors affect the rate of growth of a plant population?
Image:
Q22 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 27
Respuesta
-
A a carnivore
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B a decomposer
-
C a herbivore
-
D a producer
Pregunta 28
Respuesta
-
A
-
B
-
C
-
D
Pregunta 29
Pregunta
Which of the following is an example of a food chain?
Respuesta
-
A carnivore → herbivore → producer
-
B flower → fruit → seed
-
C grass → antelope → lion
-
D starch → maltose → glucose
Pregunta 30
Pregunta
Which pair of statements about energy flow in ecosystems is correct?
Image:
Q28 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 31
Pregunta
Herbivores take in carbon atoms from plants.
How do carbon atoms leave the herbivores?
Image:
Q29 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 32
Pregunta
In which natural cycles do photosynthesis and respiration both play a part?
Image:
Q30 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 33
Pregunta
In which stages in the water cycle is the water in vapour form?
Image:
Q31 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 34
Pregunta
The diagram shows a pyramid of biomass for all organisms in an ecosystem.
Which organisms are carnivores?
Image:
Q32 (binary/octet-stream)
Respuesta
-
A P and Q
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B P and R
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C Q and R
-
D R and S
Pregunta 35
Pregunta
Which process removes carbon dioxide from the atmosphere?
Respuesta
-
A combustion
-
B decomposition
-
C photosynthesis
-
D respiration
Pregunta 36
Pregunta
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?
Respuesta
-
A leaves
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B sloths
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C snakes
-
D Sun
Pregunta 37
Pregunta
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?
Image:
Q35 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 38
Pregunta
Which statement explains why the energy flow in a food chain is in one direction?
Respuesta
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A Decomposers recycle nutrients for plants.
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B Energy is not recycled.
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C Plants convert light energy to chemical energy.
-
D The number of organisms decreases at each level in the food chain.
Pregunta 39
Pregunta
The diagram shows part of the carbon cycle.
Which letter represents photosynthesis?
Image:
Q37 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 40
Pregunta
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?
Image:
Q38 (binary/octet-stream)
Respuesta
-
A 15000 + 13200
-
B 15000 - 13200
-
C 88000 + 15000
-
D 88000 - 15000
Pregunta 41
Pregunta
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?
Image:
Q39 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 42
Pregunta
The diagram shows a food chain.
rice plant → caterpillar → song bird → hawk
How many decomposers are shown in this food chain?
Respuesta
-
A 0
-
B 1
-
C 2
-
D 3
Pregunta 43
Pregunta
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?
Image:
Q39 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 44
Pregunta
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?
Image:
Q40 (binary/octet-stream)
Respuesta
-
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.
Pregunta 45
Pregunta
Three human activities are listed.
1 burning fossil fuels
2 deforestation
3 overusing fertilisers
Which activities can cause the change shown in the graph?
Image:
Q41 (binary/octet-stream)
Respuesta
-
A 1, 2 and 3
-
B 1 and 2 only
-
C 1 only
-
D 2 and 3 only
Pregunta 46
Pregunta
What is a reason for conserving plant species?
Respuesta
-
A to absorb oxygen from the air
-
B to decrease rainfall
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C to obtain drugs for medicinal use
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D to release carbon dioxide into the air
Pregunta 47
Pregunta
What is reduced after deforestation?
Respuesta
-
A force of rain hitting the ground
-
B rainwater run-off
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C soil erosion
-
D soil fertility
Pregunta 48
Pregunta
The diagram shows four positions on a river where water samples were taken.
Which graph shows oxygen concentrations in the river?
Image:
Q44 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 49
Pregunta
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?
Respuesta
-
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.
Pregunta 50
Pregunta
Which two gases both contribute to global warming?
Respuesta
-
A carbon dioxide and methane
-
B methane and oxygen
-
C oxygen and sulfur dioxide
-
D sulfur dioxide and carbon dioxide
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