Cambridge IGCSE Biology - 0610 - Core Paper 1 2013 Summer Zone 2

The diagrams show a plant at the start of an experiment, and the same plant two days later.

Which characteristic of living organisms is not demonstrated by this experiment?

An animal can swim, has a backbone, suckles young and breathes air. To which group does it belong?

What is a feature of both insects and arachnids?

The diagram shows an arthropod.

Using the key, identify this arthropod.

The diagram shows some cells.



What are these cells?

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

Which cells line the trachea?

The photograph shows a cross-section of a root. The root hair and the xylem are part of the same

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

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

The temperature of an enzyme-controlled reaction is increased by 10°C.
How does this affect the rate of reaction?

In an experiment, the effect of temperature on the action of amylase is investigated.
Six different test-tubes are set up, each containing a mixture of amylase and starch solution.
Which condition should not be kept the same in each of the six test-tubes?

The diagram shows an experiment kept at room temperature.

What is present in the water surrounding the membrane after 45 minutes?

What is the result of a diet lacking iron?

The diagram shows the four types of human tooth.

Which teeth are used for cutting rather than grinding food?

The diagram shows a double circulatory system.
Which vessels carry oxygenated blood?

Which words correctly complete the following sentence?
'Transpiration is the ......1...... of water at the surface of the ......2...... cells followed by the ......3...... of water vapour from the plant ......4...... '
[Table]

The diagram shows the human heart. In which order does blood pass through the chambers during a complete circuit of the body after it returns from the lungs?

An athlete takes part in a race. The graph shows her breathing rate before, during and after the race.
At which point does her body contain the greatest amount of lactic acid?

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

What are the effects of tobacco smoke on the gas exchange system?
[Table_1]

What are the functions of the diaphragm and the cilia in the human gas exchange system? [Table_1]

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

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?

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

The diagram shows the female reproductive system. Where does implantation normally occur?

The diagram shows a vertical section through the carpel of a flower that has been pollinated.
What is the correct order of structures through which the pollen tube must grow in order to bring about fertilisation?

Which environmental condition is not needed for the germination of seeds?

The graph shows how dry mass of a plant changes with time. Where on the graph is growth occurring?

When white-flowered pea plants are crossed with red-flowered pea plants, the offspring ($F_1$) all have red flowers.
If these $F_1$ plants pollinate themselves, the next generation ($F_2$) contains both red and white-flowered plants.
Which statement explains this?

A gene for insulin is taken from a human cell and placed in a bacterium. The bacterium can then make human insulin. What is this process called?

The diagram shows two pyramids based on food chains in which the producer is a large tree.



What do the two pyramids represent?

The diagram shows a food chain.

rice plant \( \rightarrow \) caterpillar \( \rightarrow \) song bird \( \rightarrow \) hawk

How many decomposers are shown in this food chain?

The numbers in the diagram below show the amount of energy, in kJ, transferred through a part of an ecosystem.

How much energy, in kJ, is transferred from herbivores to carnivores?

The diagram shows part of the carbon cycle without the arrows. Which labelled line should have an arrow head on its lower end?

Which letter represents the lag phase in the population graph shown?

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

The diagram shows a population pyramid for a city.

What feature of the population is shown in the diagram?

What are the possible effects of deforestation? [Table_1]

A farmer put some fertiliser on his field. Soon afterwards, there was a heavy storm and some of the fertiliser drained into a lake. What is the effect of the fertiliser on the growth of the crop plants in the field and the plants in the lake?