Question 1

The diagram shows a plant cell.

Which part of the cell is also found in a typical animal cell?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 2

Which statement about xylem vessels is correct?

Accepted Answer

Their woody walls hold the vessels open for movement of water.

Answer

They are hollow tubes which allow easy movement of foods.

Answer

Water carrying ions passes through the vessels by osmosis.

Answer

The xylem vessels are only found in leaves.

Question 3

Which row shows the processes by which carbon dioxide and oxygen move across the alveoli walls?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 4

What are the basic units of a protein molecule?

Accepted Answer

amino acids

Answer

fatty acids

Answer

simple sugars

Answer

mineral salts

Question 5

The graph shows the effect of temperature on the activity of an enzyme.

The enzyme activity

Accepted Answer

is the same at 26 ^oC and 60 ^oC.

Answer

stops at 44 ^oC.

Answer

is greatest at 66 ^oC.

Answer

is slowest at 10 ^oC.

Question 6

Large molecules in food are broken down into smaller molecules in the alimentary canal.

What is the name of this process?

Accepted Answer

digestion

Answer

ingestion

Answer

assimilation

Answer

absorption

Question 7

Complete the sentence. A function of the hepatic portal vein is to transport blood rich in

Accepted Answer

amino acids from the intestine to the liver.

Answer

glucose from the liver to the intestine.

Answer

urea from the intestine to the liver.

Answer

oxygen from the liver to the intestine.

Question 8

The diagram shows a section through a leaf.

During photosynthesis, where does the greatest conversion of light energy to chemical energy take place?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 9

Structure H produces a substance to neutralise acids and structure J produces an enzyme to digest fats.

Which row correctly identifies structure H and J?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 10

Cobalt chloride paper is blue when dry and turns pink when wet.

Blue cobalt chloride paper is fastened to the upper and lower surfaces of a leaf on plant X and the upper and lower surfaces of a leaf on plant Y.

The bar chart shows the time taken for the cobalt chloride paper to turn pink.

Through which leaf surface was water lost most quickly?

Accepted Answer

plant X, lower surface

Answer

plant Y, lower surface

Answer

plant Y, upper surface

Answer

plant X, upper surface

Question 11

Plants make carbohydrates by photosynthesis in the leaves.

Through which structure do carbohydrates move out of the leaves?

Accepted Answer

vascular bundles

Answer

stomata

Answer

mesophyll

Answer

chloroplasts

Question 12

When blood enters the heart, where does it enter and is the valve between the atrium and the ventricle open or closed?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 13

Blood flows from the kidney and returns via the heart and lungs to the kidney.

Each arrow represents an artery or a vein.

What is the correct sequence?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 14

The diagram shows two types of blood vessel, X and Y.

What do X and Y represent?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 15

The chart shows the number of units of carbon monoxide in the blood of three people who smoke different numbers of cigarettes per day.

Which statement is correct based on the information in the chart?

Accepted Answer

The person smoking 40 cigarettes per day increases his level of carbon monoxide by about 34 units.

Answer

The person smoking 20 cigarettes per day has 40 units of carbon dioxide in their blood.

Answer

The person who does not smoke has no carbon monoxide in their blood.

Answer

If you smoke, all the carbon monoxide comes from your cigarettes.

Question 16

Structure X has areas of cartilage.

What is structure X?

Accepted Answer

bronchus

Answer

trachea

Answer

larynx

Answer

alveolus

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