Christmas Biology Exam Practice Test 1
.PNG "Christmas Biology Exam Practice Test 1")
Practice for the Christmas Biology Exam using past BGCSE Paper 1 questions.
- 1.What is the correct way to write the scientific name for modern man?
- A.
Homo sapiens
- B.
Homo Sapiens
- C.
Homo Sapiens
- D.
Homo sapiens
- 2.A group of organisms which can produce fertile offspring with one another is called a
- A.
Class.
- B.
Family.
- C.
Genus.
- D.
Species.
- 3.
![The bar graph shows the number of different types of organisms on a small coral reef.
How many vertebrates are there on the reef? - ProProfs]( "The bar graph shows the number of different types of organisms on a small coral reef.
How many vertebrates are there on the reef?")
The bar graph shows the number of different types of organisms on a small coral reef. How many vertebrates are there on the reef?- A.
4
- B.
7
- C.
13
- D.
20
- 4.
![The diagram shows an aquatic ecosystem.
Which of the labeled organisms form a population? - ProProfs]( "The diagram shows an aquatic ecosystem.
Which of the labeled organisms form a population?")
The diagram shows an aquatic ecosystem. Which of the labeled organisms form a population?- A.
X
- B.
Y
- C.
Z
- D.
X, Y and Z
- 5.
![The bar graph shows the relative quantities of organisms in a food chain.
Which letter represents the herbivore? - ProProfs]( "The bar graph shows the relative quantities of organisms in a food chain.
Which letter represents the herbivore?")
The bar graph shows the relative quantities of organisms in a food chain. Which letter represents the herbivore?- A.
A
- B.
C
- C.
D
- 6.Which cells in the leaf contain the most chloroplasts?
- A.
Lower epidermal cells
- B.
Palisade mesophyll cells
- C.
Spongy mesophyll cells
- D.
Upper epidermal cells
- 7.Which part of the cell controls all activities?
- A.
Cytoplasm
- B.
Membrane
- C.
Nucleus
- D.
Vacuole
- 8.
![The apparatus shows four potato cylinders of equal lengths in solutions of different salt concentrations.
Which potato cylinder increased in length? - ProProfs]( "The apparatus shows four potato cylinders of equal lengths in solutions of different salt concentrations.
Which potato cylinder increased in length?")
The apparatus shows four potato cylinders of equal lengths in solutions of different salt concentrations. Which potato cylinder increased in length?- A.
A
- B.
B
- C.
C
- D.
D
- 9.
![The table shows three food testing chemicals and the results of the tests performed on coconut jelly.
Which nutrients are present in the jelly? - ProProfs]( "The table shows three food testing chemicals and the results of the tests performed on coconut jelly.
Which nutrients are present in the jelly?")
The table shows three food testing chemicals and the results of the tests performed on coconut jelly. Which nutrients are present in the jelly?- A.
Fat, protein
- B.
Fats, sugar
- C.
Proteins, sugar
- D.
Protein, sugar, fat
- 10.
![The diagram shows the outline of some root cells.
Which feature of cell P makes it more efficient in absorbing water than cell Q? - ProProfs]( "The diagram shows the outline of some root cells.
Which feature of cell P makes it more efficient in absorbing water than cell Q?")
The diagram shows the outline of some root cells. Which feature of cell P makes it more efficient in absorbing water than cell Q?- A.
The amount of its surface are
- B.
The concentration of its cell sap
- C.
The size of its vacuole
- D.
The thickness of its membrane
- 11.
![The table shows the conditions which affect the transpiration rate in plants.
Which correctly shows the effects of changes in external conditions on the rate of transpiration? - ProProfs]( "The table shows the conditions which affect the transpiration rate in plants.
Which correctly shows the effects of changes in external conditions on the rate of transpiration?")
The table shows the conditions which affect the transpiration rate in plants. Which correctly shows the effects of changes in external conditions on the rate of transpiration?- A.
A
- B.
B
- C.
C
- D.
D
- 12.Why do leaves wilt when they lose a lot of water?
- A.
Guard cells are flaccid
- B.
Mesophyll cells are no longer turgid
- C.
Phloem transport has stopped
- D.
Stomata are closed
- 13.Which correctly matches the structure with its function?
- A.
![]()
- B.
![]()
- C.
![]()
- D.
![]()
- 14.Which of the following characteristics of living organisms enables them to detect and respond to stimuli?
- A.
Excretion
- B.
Growth
- C.
Irritability
- D.
Movement
- 15.
![The diagram shows a mammal.
Which characteristic of living things is represented by the arrows? - ProProfs]( "The diagram shows a mammal.
Which characteristic of living things is represented by the arrows?")
The diagram shows a mammal. Which characteristic of living things is represented by the arrows?- A.
Excretion
- B.
Growth
- C.
Nutrition
- D.
Respiration
- 16.Which of the following animal pairs are most closely related to each other?
- A.
Bony fish and crawfish
- B.
Frog and lizard
- C.
Grouper and shark
- D.
Lion and seahorse
- 17.Which consumer obtains its energy from producers only?
- A.
Carnivore
- B.
Herbivore
- C.
Decomposer
- D.
Omnivore
- 18.
![The diagram shows a foodchain.
Overfishing the barracuda may result in the - ProProfs]( "The diagram shows a foodchain.
Overfishing the barracuda may result in the")
The diagram shows a foodchain. Overfishing the barracuda may result in the- A.
Decrease in the number of shads.
- B.
Decrease in the number of prickly winkles.
- C.
Increase in the number of crabs.
- D.
Increase in the number of prickly winkles.
- 19.Which process removes carbon dioxide out of the atmosphere?
- A.
Combustion
- B.
Decompostion
- C.
Photosynthesis
- D.
Respiration
- 20.The diagrams show four types of instruments used to capture marine species. Which method is illegal in The Bahamas?
- A.
![]()
- B.
![]()
- C.
![]()
- D.
![]()
- 21.Which is the most important method used today to protect the mangrove ecosystem?
- A.
Limit collection of firewood.
- B.
Moving the animals to a zoo.
- C.
Pass laws to preserve the ecosystem.
- D.
Put dams around the ecosystem.
- 22.Which of the following is an example of osmosis?
- A.
Mineral salts passing into root hairs
- B.
Oxygen passing into the blood
- C.
Sunlight entering the leaf
- D.
Water moving into root hairs
- 23.
![An experiment was set up to demonstrate a process which occurs in living organisms.
After 30 minutes, the level in the thistle funnel rose. What does this show? - ProProfs]( "An experiment was set up to demonstrate a process which occurs in living organisms.
After 30 minutes, the level in the thistle funnel rose. What does this show?")
An experiment was set up to demonstrate a process which occurs in living organisms. After 30 minutes, the level in the thistle funnel rose. What does this show?- A.
Liquid X is a concentrated solution and Y is a dilute solution.
- B.
Liquid X and liquid Y are dilute solutions.
- C.
Liquid X is a dilute solution and liquid Y is a concentrated solution.
- D.
Liquid X and liquid Y are concentrated solutions.
- 24.Which enzyme breaks down fat?
- A.
Amylase
- B.
Carbohydrase
- C.
Lipase
- D.
Protease
- 25.Which cell is best suited to transmit impulses?
- A.
![]()
- B.
![]()
- C.
![]()
- D.
![]()
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