0654 MCQ Revision 6 (0654/23)

A person throws a ball which their dog runs after and brings back to them.

Which characteristics of living things is the dog showing by this action?

• growth and nutrition

• movement and nutrition

• movement and sensitivity

• sensitivity and growth

Tags

NGSS.4-LS1-2

The diagram shows a section through a red blood cell.

Which statement is correct for red blood cells?

• The cell has no nucleus to minimise oxygen binding.

• The cell membrane has a small surface area in relation to volume.

• The cytoplasm contains haemoglobin.

• The flat structure makes it easier to be carried through arteries.

Tags

NGSS.MS-LS1-2

Which food test requires heating?

• fat

• protein

• reducing sugar

• starch

The diagram shows the effect of temperature on enzyme activity.

What has increased the enzyme activity between points X and Y?

• decreased denaturation

• decreased kinetic energy

• increased denaturation

• increased kinetic energy

Tags

NGSS.MS-PS3-5

Plants need magnesium ions and nitrate ions.

Which statements correctly show what the plants make using these ions?

• 1 and 4

• 2 and 3

• 2 only

• 4 only

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which statements about mechanical digestion are correct?

• 1 and 2

• 1 and 4

• 2 and 3

• 3 and 4

Which row names the substances carried by xylem vessels and the direction of travel?

• A

• B

• C

• D

Which diagram represents a mixture of an element and a compound?

• A

• B

• C

• D

X and Y are isotopes of the same element.

Which statement about X and Y is correct?

• They have the same nucleon number but different numbers of protons.

• They have the same number of neutrons but different numbers of electrons.

• They have the same atomic number but different numbers of electrons.

• They have the same number of protons but different numbers of neutrons.

Nonane, C9H20, burns in oxygen to form carbon dioxide and water.

The equation for this reaction is shown.

C₉H₂₀ + 14O₂ ---> 9CO₂ + 10H₂O

What is the mass of oxygen required for the complete combustion of 64 g of nonane?

• 32 g

• 224 g

• 396 g

• 448 g

Tags

NGSS.MS-PS1-5