Cambridge IGCSE Biology - 0610 - Supplement Paper 2 2024 Summer Zone 2

Which process is carried out by all organisms?
A. growth
B. photosynthesis
C. sexual reproduction
D. transpiration

What is the first part of the scientific name of an organism, using the binomial system?

The diagram shows a plant cell.
In which labelled part of the cell is glucose made?

The diagram shows an epidermal cell from an onion plant.
The distance between X and Y on the diagram is 60 mm.
The actual length of the cell between X and Y is 150 μm.
What is the magnification of the cell?

Some plant cells are placed in distilled water for 1 hour.
Which description of the condition of the plant cells after 1 hour is correct?
A. burst
B. flaccid
C. plasmalysed
D. turgid

Which diagram represents active transport?
A. requires energy from respiration
B. requires energy from respiration
C. does not require energy from respiration
D. does not require energy from respiration

The diagram shows the bases in a section of DNA from one strand only.
A–C–T–T–C–A–G–T–C
What is the base sequence on the complementary DNA strand?

The graph shows the effect of pH on the rate of an enzyme-catalysed reaction.
What explains the effect of pH on the reaction rate?
A. As the pH increases from 5 to 7, the kinetic energy increases.
B. As the pH increases from 7 to 9, the frequency of enzyme and substrate collisions increases.
C. The shape of the enzyme’s active site changes as the pH increases from 7 to 9.
D. The substrate denatures at pH 7.

Which sentence explains the importance of vascular bundles for photosynthesis?
A. Vascular bundles transport carbon dioxide to the leaf.
B. Vascular bundles transport oxygen to the leaf.
C. Vascular bundles transport starch to the leaf.
D. Vascular bundles transport water to the leaf.

Which substance is the product of protein digestion?
A. amino acids
B. fatty acids
C. glucose
D. glycerol

Which organ produces amylase?
A. gall bladder
B. kidney
C. oesophagus
D. pancreas

Which substance is absorbed by lacteals in villi?
A. amino acids
B. fatty acids
C. lactic acid
D. hydrochloric acid

The diagram shows part of the alimentary canal.
Where is most water absorbed?

The diagram shows a cross-section of a villus.
On which cell surface are microvilli found?

Which feature of xylem vessels provides support to plants?
A cells are joined end to end
B no cell contents
C no cross-walls
D lignin present

Which change in an environmental factor will increase the rate of transpiration? A. decreasing humidity B. decreasing light intensity C. decreasing temperature D. decreasing wind speed

Which statement describes translocation?
A. the movement of amino acids and sucrose from the source to the sink in phloem
B. the movement of amino acids and sucrose from the source to the sink in xylem
C. the movement of amino acids and sucrose from the sink to the source in phloem
D. the movement of amino acids and sucrose from the sink to the source in xylem

Which pathway is taken by blood in a fish?
A. gills \rightarrow heart \rightarrow body \rightarrow gills
B. body \rightarrow gills \rightarrow heart \rightarrow body
C. heart \rightarrow gills \rightarrow body \rightarrow heart
D. heart \rightarrow body \rightarrow gills \rightarrow body

Which component of blood produces antibodies?
A. plasma
B. platelets
C. red blood cells
D. white blood cells

The cholera bacterium produces a toxin which affects humans.
What is an effect of this toxin on the human body?
A. the secretion of chloride ions from the blood into the lumen of the large intestine
B. the secretion of chloride ions from the blood into the lumen of the small intestine
C. the secretion of chloride ions from the lumen of the large intestine into the blood
D. the secretion of chloride ions from the lumen of the small intestine into the blood

These changes occur in the human body during exercise.
1 breathing rate increases
2 the rate of respiration increases
3 nerve impulses sent from the brain to the intercostal muscles and diaphragm
4 receptors in the brain detect increased concentration of carbon dioxide in the blood
What is the correct order for these changes?

Two molecules of glucose are aerobically respired. How many molecules of water are produced?

Which substance has a higher concentration in the renal vein than in the renal artery?
A. carbon dioxide
B. glucose
C. oxygen
D. urea

Where are amino acids deaminated and converted into urea?
A. bladder
B. kidneys
C. liver
D. pancreas

Which process moves neurotransmitters across a synapse?
A. active transport
B. diffusion
C. gravity
D. osmosis

When the blood glucose concentration is low, which hormone is released and which organ releases it?
[Table_1]
| hormone | organ |
| A | glucagon | liver |
| B | glucagon | pancreas |
| C | insulin | liver |
| D | insulin | pancreas |

A shoot grows towards the direction of light.

These statements compare shoot cells on the side in the light with cells on the side in the shade.

1. Cells on the side in the light have more auxin.
2. Cells on the side in the shade have more auxin.
3. Cells on the side in the light elongate more.
4. Cells on the side in the shade elongate more.

Which statements explain why the shoot grows towards the light?

Which statement about antibiotics is correct?
A. Antibiotics are used to treat all transmissible diseases.
B. Antibiotics are used to treat diseases caused by viruses.
C. Antibiotic resistance can be stopped by increasing their use.
D. Antibiotics are used to treat diseases caused by bacteria.

Fusarium wilt is a fungal disease of bananas that can spread quickly through a banana population.
The table shows the area affected by Fusarium wilt over time in one country.
[Table_1]
What was the percentage increase in the area affected with Fusarium wilt from 1976 to 1999?

The diagram shows part of a flower. Which processes have taken place?

The diagram shows part of a placenta and umbilical cord. What is the function of the umbilical vein?

The graph shows how the mass of DNA per cell changes before, during and after a nuclear division in a diploid cell. Which row describes the type of nuclear division and the chromosome number of the daughter cells shown in the graph? [Table_1]

In a family, the two parents have blood groups of A and B and the three children have blood groups of B, B and O.
What are the genotypes of the parents?
A. $I^A I^A$ and $I^B I^B$
B. $I^A I^B$ and $I^A I^o$
C. $I^A I^o$ and $I^B I^o$
D. $I^B I^o$ and $I^A I^A$

Which statement describes a type of variation?
A. Continuous variation is usually caused by the environment only.
B. Continuous variation results in a limited range of phenotypes with no intermediates.
C. Discontinuous variation is usually caused by genes only.
D. Discontinuous variation results in a range of phenotypes between two extremes.

The photograph shows a water lily plant, which is a hydrophyte.
Which statement explains why the stomata are located on the upper surface of the leaf?
A to allow carbon dioxide from the air to enter the leaf for use in photosynthesis
B to allow carbon dioxide produced by photosynthesis to leave the leaf
C to allow oxygen from the air to enter the leaf for use in photosynthesis
D to allow oxygen from the water to enter the leaf for respiration

Which term is used when humans cross individuals with desirable features?
A. genetic breeding
B. natural breeding
C. pure-breeding
D. selective breeding

Which diagram shows part of the nitrogen cycle? A. B. C. D.

What is an advantage of growing crops as a large-scale monoculture?
A. Biodiversity is increased.
B. Genetic variation is increased.
C. Water use is increased.
D. Yield of the crop is increased.

Yeast can produce carbon dioxide and ethanol.
What can be made using these products?
[Table_1]

Bacteria can be genetically modified to produce a human protein.
What is the first step in this process?
A. insertion of human DNA into bacterial plasmid DNA
B. insertion of recombinant plasmids into bacteria
C. isolation of the DNA making up the human gene
D. expression of the human gene in bacteria