WorksheetsYear 2017 P1 Pure Bio
Total questions: 38
Worksheet time: 19mins
The diagram shows the structure of a plant cell as seen using an electron microscope.
Which structures are involved in the process of enzyme synthesis within this cell?
1, 2, 4, 5 and 6
1, 3 and 6
2, 3, 5 and 6
3, 4 and 5
Some processes occurring in organisms are listed.
Which processes may involve respiration?
1, 2, 3 and 5
1, 3, 4 and 5
2, 3, 4 and 6
2, 4, 5 and 6
A plant cell containing sap with a concentration equivalent to a 10% sugar solution is placed in a solution containing 5% sugar. Which statement describes the movement of water?
into the cell through the cell membrane by osmosis
into the cell through the cell wall by osmosis
out of the cell through the cell membrane by osmosis
out of the cell through the cell wall by osmosis
Four test-tubes containing identical quantities of lipase and fat were set up in a water-bath at 37°C. The table gives further information about the contents of the test-tubes.
In which test-tube would digestion be most rapid?
A
B
C
D
Which row shows features of carbohydrates, fats and proteins?
A
B
C
D
Four statements about the active site of a human enzyme are given.
Which statements are correct?
1, 2 and 3
1 and 4 only
2 and 3 only
3 and 4 only
The list shows processes that occur when food is eaten.
1 → 2 → 4 → 3
3 → 2 → 4 → 1
4 → 3 → 1 → 2
4 → 3 → 2 → 1
Some processes that take place in the body are listed.
Which processes take place in the liver?
1, 2 and 4
1 and 4 only
2, 3 and 5
3, 4 and 5
The diagram shows the tissues in a cross-section of a leaf. The four tissue layers are labelled W, X, Y and Z. Starting with the layer containing the highest number of chloroplasts first and ending with the layer containing no chloroplasts, which sequence of letters shows the distribution of chloroplasts in a leaf?
X → Y → W → Z
X → Y → Z → W
Y → X → W → Z
Z → Y → X → W
Green plants use carbon dioxide.
How do plant cells in a leaf obtain carbon dioxide?
1 and 3
1 and 4
2 and 3
2 and 4
Diagram 1 shows part of a plant stem in longitudinal section.
Diagram 2 shows a transverse section of a plant stem.
Which part of diagram 2 contains the components shown in diagram 1?
A
B
C
D
Transpiration and translocation are both involved with transport in plants.
Which row links the term with the tissue where it occurs and the direction of transport?
A
B
C
D
Which combination of factors will cause a decrease in the transpiration rate in a plant?
A
B
C
D
The diagram represents part of the human circulatory system. Some of the blood vessels are identified by letters. The table shows comparisons of the carbon dioxide concentration in the identified blood vessels.
Which comparisons of carbon dioxide concentration are correct?
A
B
C
D
The diagram shows the blood vessels associated with alveoli.
Which row shows the differences in composition between the blood at X and the blood at Y?
A
B
C
D
The diagram shows a section through the human heart.
Which row identifies the blood vessels containing blood at the lowest and highest pressures?
1 (lowest)
3 (highest)
1 (lowest)
4 (highest)
2 (lowest)
4 (highest)
3 (lowest)
2 (highest)
Some effects of smoking are listed.
Which effects are caused by nicotine?
1, 2 and 5
1 and 3
2 and 4
3, 4 and 5
Which row states the end products, other than energy, of aerobic and anaerobic respiration in muscle cells?
A
B
C
D
The diagram shows changes in air pressure in the lungs during breathing when at rest.
Which row describes the state of the breathing system during time X?
A
B
C
D
The diagram shows a nephron from a kidney and some associated blood vessels.
How do the concentrations of glucose and protein at Y compare with their concentrations at X in a healthy person?
glucose concentration at Y: lower
protein concentration at Y: lower
glucose concentration at Y: lower
protein concentration at Y: same
glucose concentration at Y: same
protein concentration at Y: lower
glucose concentration at Y: same
protein concentration at Y: same
The diagram shows part of the urinary system of a human. Liquids pass through tubes X, Y and Z in the directions shown by the arrows.
Which statement about the volume of liquid passing through Y in one day is correct?
It is greater than that passing through X.
It is less than that passing through Z.
It is much less than that passing through X but slightly greater than that passing through Z.
It is slightly less than that passing through X but much greater than that passing through Z.
What is the effect of antidiuretic hormone (ADH) on the kidneys?
decreased ultra-filtration resulting in less urine produced
decreased water reabsorption resulting in more urine produced
increased ultra-filtration resulting in more urine produced
increased water reabsorption resulting in less urine produced
What is the cause of shivering?
contraction of the hair erector muscles
decrease in blood temperature
dilation of blood vessels near the skin surface
evaporation of sweat from the skin
The diagrams show three types of neurone. They are not drawn to scale.
Which sequence shows the direction in which impulses travel during a reflex action?
W → X → Y
W → Y → X
X → W → Y
Y → W → X
A person puts his finger on a very hot pan. Immediately the arm muscles contract and pull the hand away.
Which part of the nervous system perceives the pain and which part co-ordinates the arm movement?
A
B
C
D
The diagram shows a section through an eye. A student is watching a football match. He then looks at the wristwatch on his arm.
Which structure contracts when the student looks at his wristwatch?
A
B
C
D
The diagram shows an insect entering a flower.
The insect's role is to move material from which numbered part of the flower to which other part?
from 1 to 2
from 1 to 3
from 3 to 1
from 3 to 2
Which features are found in a wind-pollinated flower?
A
B
C
D
Some female insects are able to produce offspring that have developed from unfertilised eggs.
Which row describes the type of reproduction and the genetic variation of the offspring?
A
B
C
D
The diagram shows a developing fetus.
Some possible functions of the amniotic fluid are listed.
1. It keeps the fetus cool.
2. It protects the fetus from mechanical shocks.
3. It supplies the fetus with oxygen.
4. It supports the fetus during development.
Which functions are correct?
1 and 2
1 and 3
2, 3 and 4
2 and 4 only
Which row gives the chromosome number in the nuclei of different cells during the life cycle of a human?
A
B
C
D
Which statement describes a gene?
a base with a sugar and a phosphate group
a number of DNA molecules
a sequence of nucleotides
the chain of alleles on a chromosome
A transgenic maize plant produces a chemical that kills the insects feeding on it.
Which implications of this situation are correct?
A
B
C
D
A tall plant and a short plant are crossed and produce offspring that are all tall. What is the genotype of the offspring and to which generation do they belong?
A
B
C
D
A mutation sometimes occurs in humans which causes each hand to have six fingers. The diagram shows how this condition is inherited in a family.
What does the family tree show about the mutated allele?
It is co-dominant.
It could be dominant or recessive.
It is dominant.
It is recessive.
Which pair of gametes will result in a male with Down's syndrome?
A
B
C
D
Energy is lost as it passes along a food chain.
Which row shows the ways in which this happens?
A
B
C
D
Some processes are listed.
Which processes act as carbon sinks?
1 and 2
1 and 4
2 and 3
3 and 4
