Cambridge IGCSE Biology - 0610 - Supplement Paper 2 2015 Winter Zone 1

Which process releases the most energy from one molecule of glucose?
A. aerobic respiration
B. anaerobic respiration in muscle
C. anaerobic respiration in yeast
D. photosynthesis

The diagram shows some leaves and flowers of different plants.
Which are from monocotyledons?
A 1 and 3
B 1 and 5
C 2 and 4
D 2 and 5

The list shows the scientific names for eight animals, using the binomial system.

Alderia modesta
Arenicola cristata
Arenicola marina
Austrominius modestus
Bittium reticulatum
Botrylloides leachii
Botryllus schlosseri
Clypeostoma reticulatum

Which two animals are most closely related?
A Alderia modesta and Austrominius modestus
B Arenicola cristata and Arenicola marina
C Bittium reticulatum and Clypeostoma reticulatum
D Botryllus schlosseri and Botrylloides leachii

The diagram shows a flower seen from above.
Use the key to find the name of the family to which it belongs.
1. four petals .............................................. go to 2
five petals .............................................. go to 3
2. two stamens ........................................... A Scrophulariaceae
six stamens ........................................... B Brassicaceae
3. petals joined ......................................... C Caryophyllaceae
petals separate .................................. D Rosaceae

Three cell structures are listed.
1   cell wall
2   cytoplasm
3   nucleus

Which structures are found in palisade cells and in liver cells?
A   1 and 2    B   1 only    C   2 and 3    D   3 only

The diagram shows two plant cells, P and Q.

How does cell P differ from cell Q?
A. It has no cell wall.
B. It has no chloroplasts.
C. It has no nucleus.
D. It has no vacuole.

The diagram shows different types of cells.
Which structure do all these cells have?
A cell membrane
B cell wall
C chloroplast
D nucleus

The diagram shows a male gamete.
Which term describes the level of organisation of this gamete?
A cell
B organ
C organism
D tissue

Which description of xylem is correct?
A. a cell used for absorption
B. a tissue used for support
C. an organ system used for conduction
D. an organ used for transport

The diagram shows a fish in a pond.
Why does oxygen diffuse from the air into the water before reaching the fish?
A. Oxygen is more concentrated in the air than in the water.
B. Oxygen is more concentrated in the water than in the air.
C. Oxygen is needed by the fish for aerobic respiration.
D. Oxygen is needed by the fish for anaerobic respiration.

Which structure provides the best surface for diffusion?
A. atrium
B. bronchioles
C. ileum
D. trachea

What is true of all enzymes? [Table_1] | | they are sugars | they are most effective at pH7 | |----------------|-----------------|--------------------------------| | A | ✓ | ✓ | | B | ✓ | ✗ | | C | ✗ | ✓ | | D | ✗ | ✗ |

The diagram shows a piece of small intestine during peristalsis.
What is happening at X?
[Table_1]
| | circular muscles | longitudinal muscles | | --- | --- | --- | | A | contracted | contracted | | B | contracted | relaxed | | C | relaxed | contracted | | D | relaxed | relaxed |

A plant with striped leaves similar to the one below was kept in bright light for six hours.

A leaf was taken from the plant and the chlorophyll removed. It was then tested for starch using iodine solution.
Which diagram shows the result of the test?
A. yellow-brown (white stripe) blue-black (green stripe)
B. white (white stripe) blue-black (green stripe)
C. blue-black (white stripe) green (green stripe)
D. yellow-brown (white stripe) green (green stripe)

The diagram shows the human alimentary canal.
Which structure does not secrete digestive enzymes?

Which substance is lost from the body of a healthy person by the kidneys, but not by the lungs?
A. carbon dioxide
B. glucose
C. urea
D. water

Which statement is correct for most veins in the human body?
A. They carry blood at high pressure.
B. They have a pulse.
C. They have valves.
D. They take blood away from the heart.

What is transported in the phloem and what is the direction of transport?
A) starch, up and down
B) starch, up only
C) sucrose, down and up
D) sucrose, down only

Apparatus was set up as shown.

Sodium hydroxide removes carbon dioxide from the air. Limewater goes cloudy if carbon dioxide is bubbled through it.
What happens to the limewater in flasks X and Y when the pump is switched on?

The diagram shows apparatus used to investigate anaerobic respiration in yeast.
What happens to the coloured liquid?
A moves rapidly to the left
B moves slowly to the left
C moves to the right
D stays still

Why do mammals sweat?
A to cool the body
B to lose water vapour through the skin surface
C to release energy through the oxidation of glucose
D to remove glucose from the blood

The diagram shows a section through part of the human eye.

When a person looks at an object which is far away from their eye, which of the following happens?

The diagram shows half a flower. On which structure would pollen be deposited in pollination?

In which region does diffusion of materials take place between mother and fetus?
A. amniotic sac
B. ovary
C. placenta
D. umbilical cord

During childbirth, what must happen to the cervix and the uterus wall?

[Table_1]

| | cervix | uterus wall |
|---------|----------|------------------------|
| A | contracts| contracts and relaxes |
| B | contracts| relaxes |
| C | dilates | contracts and relaxes |
| D | dilates | relaxes |

The diagram shows a baby, a child and an adult (not drawn to the same scale).
As a baby grows into an adult, which labelled region grows the most?

Four tubes were set up as shown and placed in the dark.
In which tube would the seeds germinate first?

The graph shows the height of a child, from birth to the age of 10.
What was the approximate height of the child at 7 years of age?
A 106cm
B 116cm
C 122cm
D 130cm

Which statement about the human sex chromosomes is correct?
A. All boys have two Y chromosomes.
B. Everybody has at least one X chromosome.
C. Girls have a Y chromosome and an X chromosome.
D. Nobody has two X chromosomes.

What results from meiosis of a diploid cell?
A. genetically different diploid cells
B. genetically different haploid cells
C. genetically identical diploid cells
D. genetically identical haploid cells

Which pathway is taken by energy from the Sun?

The diagram shows a food chain.

If the hawks are removed from this food chain, what is likely to happen to the numbers of the other organisms in this chain?
[Table_1]

The diagram shows a food web including a producer, consumers and a decomposer.

Which organism is the decomposer?

Which organisms remove carbon dioxide from the atmosphere?
A. carnivores
B. decomposers
C. herbivores
D. producers

Which process is not part of the carbon cycle?
A combustion
B photosynthesis
C respiration
D transpiration

The diagram shows a simple water cycle.
What is responsible for water loss from the tree?
A evaporation
B photosynthesis
C respiration
D translocation

The diagram shows the age structure of a human population.
Which age group has the largest number of people?
A 60 and over
B 45-59
C 30-44
D under 15

What is a reason for conserving plant species?
A. to absorb oxygen from the air
B. to decrease rainfall
C. to obtain drugs for medicinal use
D. to release carbon dioxide into the air

What is reduced after deforestation?
A. force of rain hitting the ground
B. rainwater run-off
C. soil erosion
D. soil fertility

The diagram shows four positions on a river where water samples were taken.
Which graph shows oxygen concentrations in the river?