Question 1
TOPIC : 6.1 (Asexual reproduction)
The diagram shows a leaf on a plant
Which characteristic of life is represented by this diagram?
A excretion
B nutrition
C respiration
D sensitivity
▶️Answer/Explanation
Ans: B
Question 2
TOPIC: 1.2 (Biotechnology)
Which description of a species is correct?
A a group of organisms that can reproduce to produce fertile offspring
B a group of animals that can produce genetically different offspring
C a group of organisms living in the same area at the same time
D all of the populations in an ecosystem
▶️Answer/Explanation
Ans: A
Question 3
TOPIC: 1.3 (features of organisms)
The diagram shows a dolphin.
Dolphins are mammals that live in the sea.
Which row correctly identifies some of the features of dolphins?
▶️Answer/Explanation
Ans: D
Question 4
TOPIC: 2.1 (cell structure)
Which structures are found in an animal cell?
▶️Answer/Explanation
Ans: B
Question 5
TOPIC: 2.1 (cell structure)
What is the function of ciliated cells in the bronchi?
A to absorb oxygen
B to digest pathogens
C to move mucus
D to produce antibodies
▶️Answer/Explanation
Ans: C
Question 6
TOPIC: 1.3 (features of organisms)
The diagram shows an organism called a copepod. The magnification of the diagram is *30.
The length of line XY is 45 mm.
What is the actual length of the copepod?
A 0.67mm B 1.5mm C 15mm D 1350mm
▶️Answer/Explanation
Ans: B
Question 7
TOPIC: 3.2 (osmosis)
Some molecules move through a membrane during osmosis.
Which row shows the molecule that moves and the type of membrane?
▶️Answer/Explanation
Ans: C
Question 8
TOPIC: 3.3 (active transport)
What is a feature of active transport?
A It requires energy from respiration.
B It involves the random movement of molecules.
C Substances are moved down a concentration gradient.
D Water is the only substance moved by this process.
▶️Answer/Explanation
Ans: A
Question 9
TOPIC: 4.1 (biological molecules)
Which substances are made by linking together glucose molecules only?
A cellulose, glycogen and starch
B fats, cellulose and proteins
C proteins, oils and glycogen
D starch, fats and oils
▶️Answer/Explanation
Ans: A
Question 10
TOPIC: 4.1 (biological molecules)
Four solutions were tested to see if they contained protein, starch or glucose.
The colours of the solutions after the tests are recorded in the table.
Which solution contained protein and glucose but not starch?
▶️Answer/Explanation
Ans: C
Question 11
TOPIC: 5.1 (enzymes)
Which type of biological molecule are enzymes made of?
A carbohydrate
B fat
C oil
D protein
▶️Answer/Explanation
Ans: D
Question 12
TOPIC: 5.1 (enzymes)
The diagrams show molecules involved in the action of a digestive enzyme.
What is the substrate?
▶️Answer/Explanation
Ans: B
Question 13
TOPIC: 5.1 (enzymes)
The graph shows how the activity of an enzyme varies with temperature.
What is the optimum temperature for this enzyme, and at which temperature is the enzyme
completely denatured?
▶️Answer/Explanation
Ans: D
Question 14
TOPIC: 6.1 (photosynthesis)
An experiment is set up as shown.
The green indicator:
● turns yellow when the carbon dioxide concentration increases
● turns blue when the carbon dioxide concentration decreases.
After several hours, the indicator in test-tube X turned blue. The indicator in test-tube Y remained
green.
Which process caused the colour change?
A germination
B photosynthesis
C respiration
D transpiration
▶️Answer/Explanation
Ans: B
Question 15
TOPIC: 8.3 (transpiration)
What is a description of transpiration?
A the breakdown of nutrient molecules to release energy
B the flow of energy through living organisms
C the loss of water vapour from leaves
D the pressure of water inside cells pressing outwards on the cell wall
▶️Answer/Explanation
Ans: C
Question 16
TOPIC: 6.2 (leaf structure)
The photomicrograph shows a cross-section through a leaf.
Which structure is the cuticle?
▶️Answer/Explanation
Ans: A
Question 17
TOPIC: 7.1 (diet)
What is lacking in the diet of a person with scurvy?
A calcium
B iron
C vitamin C
D vitamin D
▶️Answer/Explanation
Ans: C
Question 18
TOPIC: 7.2 (digestive system)
What is a part of the small intestine?
A anus
B colon
C ileum
D rectum
▶️Answer/Explanation
Ans: C
Question 19
TOPIC: 3.2 (osmosis)
The diagram shows the apparatus used in an experiment to demonstrate two processes that take
place in the body.
After one hour, the water outside the dialysis tubing contained reducing sugars.
Which two processes are represented by this experiment?
A absorption and digestion
B absorption and egestion
C digestion and egestion
D digestion and ingestion
▶️Answer/Explanation
Ans: A
Question 20
TOPIC: 7.3 (physical digestion)
Which row identifies the four types of human teeth shown?
▶️Answer/Explanation
Ans: B
Question 21
TOPIC: 7.4 (chemical digestion)
The diagram shows the human digestive system.
Which letters show where amylase acts during digestion?
A P and R B P and S C Q and R D Q and T
▶️Answer/Explanation
Ans: B
Question 22
TOPIC: 8.1 (xylem and phloem)
Which row describes transport in a plant?
▶️Answer/Explanation
Ans: A
Question 23
TOPIC: 8.3 (transpiration)
In humans, which structures provide cells with oxygen and nutrients?
A arteries
B capillaries
C lungs
D veins
▶️Answer/Explanation
Ans: B
Question 24
TOPIC: 9.1 (transpiration)
The diagram shows part of the human circulatory system
What are the numbered blood vessels?
▶️Answer/Explanation
Ans: C
Question 25
TOPIC: 10.1 (diseases and immunity)
Some methods of transmitting pathogens are listed.
1 drinking contaminated water
2 contact with another person’s blood
3 contact with another person’s saliva
4 touching contaminated surfaces
How many are indirect methods of transmitting pathogens?
A none
B one
C two
D three
▶️Answer/Explanation
Ans: C
Question 26
TOPIC: 12.2 (aerobic respiration)
Which substances are used and produced in aerobic respiration in a plant cell?
▶️Answer/Explanation
Ans: C
Question 27
TOPIC: 13.1 (excreation in humans)
Which organ excretes urea?
A bladder
B kidney
C liver
D lung
▶️Answer/Explanation
Ans: B
Question 28
TOPIC: 14.3 (hormones)
Which statements about hormones are correct?
1 The ovaries secrete oestrogen.
2 The pancreas secretes adrenaline.
3 The pancreas secretes insulin.
A 1 and 2 B 1 only C 2 and 3 D 2 only
▶️Answer/Explanation
Ans: A
Question 29
TOPIC: 14.5 (tropic responses)
The diagram shows a plant shoot growing towards the light.
What is the name of this plant shoot’s response to light?
A gravitropism
B photosynthesis
C phototropism
D reflex
▶️Answer/Explanation
Ans: C
Question 30
TOPIC: 16.3 (sexual reproduction in plants)
Parts of an insect-pollinated flower are listed.
1 anther
2 filament
3 stigma
4 style
Which parts are in a carpel?
A 1 and 2 B 1 and 3 C 2 and 4 D 3and 4
▶️Answer/Explanation
Ans: D
Question 31
TOPIC: 15.1 (drugs)
What is treated with antibiotics?
A a bacterial infection
B rickets
C scurvy
D a viral infection
▶️Answer/Explanation
Ans: A
Question 32
TOPIC: 16.1 (Asexual reproduction)
Which statement describes asexual reproduction?
A the production of genetically different offspring from one parent
B the production of genetically different offspring from two parents
C the production of genetically identical offspring from one parent
D the production of genetically identical offspring from two parents
▶️Answer/Explanation
Ans: C
Question 33
TOPIC: 16.4 (sexual reproduction in humans)
In humans, why are sperm cells produced in much greater numbers than egg cells?
A Many sperm cells are needed to fertilise an egg cell.
B Sperm cells are small in size.
C Sperm cells are non-motile.
D The chance of one sperm cell reaching an egg is very small.
▶️Answer/Explanation
Ans: D
Question 34
TOPIC: 16.4 (sexual reproduction in humans)
What is the ball of cells that implants into the lining of the uterus during sexual reproduction in
humans?
A embryo
B gamete
C placenta
D zygote
▶️Answer/Explanation
Ans: A
Question 35
TOPIC: 16.4 (sexual reproduction in humans)
Which sex chromosomes need to be present in a sperm cell to produce a male offspring?
A X only
B Y only
C XX D XY
▶️Answer/Explanation
Ans: B
Question 36
TOPIC: 17.4 (monohybrid inheritance)
ABO blood groups are an example of one type of variation.
What is the cause of this type of variation?
A environment only
B genes only
C genes and environment
D mutation and environment
▶️Answer/Explanation
Ans: B
Question 37
TOPIC: 18.3 (selection)
Which statement is an example of natural selection?
A choosing donkeys with desirable characteristics to breed
B choosing to cross-pollinate wheat plants with the highest yields
C inserting genes into a crop plant to improve its nutritional qualities
D in wild flowers, the development of petals that look like insects to attract pollinators
▶️Answer/Explanation
Ans: D
Question 38
TOPIC: 19.4 (populations)
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?
A 100 years B 200 year C 300 years D 400 years
▶️Answer/Explanation
Ans: B
Question 39
TOPIC: 19.4 (populations)
Lichens are organisms that do not grow well in polluted air.
Which graph shows the change in the number of lichen species from the centre of a polluted city
to the unpolluted countryside 15 km away?
▶️Answer/Explanation
Ans: C
Question 40
TOPIC: 19.2 (food chains and food webs)
Which trophic level describes an organism that only eats herbivores?
A producer
B primary consumer
C secondary consumer
D tertiary consumer
▶️Answer/Explanation
Ans: C