Cambridge IGCSE Biology - 0610 - Core Paper 1 2013 Summer Zone 1

Worms come to the soil surface after heavy rain. Which characteristic of living organisms does this show?

Which animal is not an arthropod?

The diagram shows a sea lion. Which labelled feature shows that this animal is a mammal?

The diagram shows an animal found in fresh water.
Use the key to identify the animal.
1 body divided into segments ............... go to 2
body not divided into segments .......... go to 3
2 straight body ........................................... animal A
curved body ............................................. animal B
3 has a shell ................................................ animal C
has no shell .............................................. animal D

Which statement about xylem is correct?

The diagram shows a bacterial cell.



How is this cell different from a typical animal cell?

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

Which of these tissues is not part of the organ with which it is paired?
[Table_1]

The diagram shows a specialised cell.
For which function is the cell adapted?

The diagram represents two liquids, separated by a membrane through which osmosis can occur.
What movement of molecules will occur?

The scent from a bunch of flowers spreads throughout a room.
How does the scent spread?

A human cell contains a length of DNA that carries the code for making which substance?

A student set up a test-tube containing starch, water and amylase.
How could the student test whether the amylase had digested all the starch?

The diagram shows the apparatus used in an investigation to measure the rate of oxygen production during photosynthesis.
The investigation was repeated several times and the average amount of gas collected was calculated.
Which two factors must be kept constant during this investigation?

The diagram shows the four types of human tooth.

Which teeth are used for cutting rather than grinding food?

The diagram shows an experiment kept at room temperature.
What is present in the water surrounding the membrane after 45 minutes?

The diagram shows a double circulatory system.

Which vessels carry oxygenated blood?

The photograph shows two blood cells, X and Y.
What are the functions of cells X and Y?
[Table_1]

The table shows the rate of water flow through a tree over a 12 hour period.

[Table_1]

What conclusion can be drawn from the table?

Which chemical could be used to show that cells are respiring aerobically?

When does respiration take place in animals and plants?
[Table_1]

The diagram shows some ciliated cells from the trachea.
What is the function of the parts labelled X?

Which food type, when eaten in excess, will cause a rise in the urea content of urine?

Where is urea made?

The diagram shows the eye of a person in a brightly-lit room.
What happens to distance F and distance G when this person moves into a dimly-lit room? [Table_1]

A boy accidentally touches a very hot object and immediately takes his hand away. In this reflex action, what is the effector?

Which row shows how one type of gamete is transported so that fertilisation can occur in a flowering plant?
[Table_1]

In which conditions will seeds germinate?
[Table_1]

The graph shows the growth curves for boys and girls. What is the approximate average growth rate of boys between 10 and 15 years old?

In cats, the allele for short hair is dominant to the allele for long hair. A short-haired cat gives birth to five kittens. Two of them have long hair. Which statement must be correct?

Cystic fibrosis is an inherited disease that occurs when an individual is homozygous for a recessive allele.
If parents are both heterozygous for this characteristic, what is the probability that their first child will have cystic fibrosis?

What determines the sex of a baby?

Which statement explains why the energy flow in a food chain is in one direction?

Which organisms do not get their energy by eating other organisms?

A single tree is food for a large population of caterpillars. Several small birds eat the caterpillars. The small birds are eaten by a bird of prey.
Which is the pyramid of biomass?

The diagram shows part of the carbon cycle.
Which letter represents photosynthesis?

The diagram shows part of the water cycle.
How is water lost from the tree?

Rabbits eat grass and foxes eat rabbits. What would cause the highest increase in the number of rabbits?

The bloodworm is found in heavily polluted water.
The diagram shows where raw sewage flows into a river.
Where would there be fewest bloodworms?

What describes eutrophication and its effect on a river?