IB SEHS Paper 1

The diagram below shows a long bone. What is the structure labelled X?

• Compact bone

• Spongy bone

• Diaphysis

• Cartilage

Which part of the long bone is labelled X in the diagram?

• Epiphysis

• Diaphysis

• Periosteum

• Yellow bone marrow

Which represents the predominant phase of restoration of muscle creatine phosphate stores?

• A

• B

• C

• D

What is the primary function of the respiratory system in humans?

• To transport nutrients

• To exchange gases

• To digest food

• To circulate blood

Which of the following is a chemical change?

• Melting of ice

• Boiling of water

• Rusting of iron

• Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the acceleration due to gravity on Earth?

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Ribosome

• Mitochondria

• Chloroplast

Tags

NGSS.MS-LS1-2

What is the chemical formula for table salt?

Which law explains the relationship between the pressure and volume of a gas at constant temperature?

• Boyle's Law

• Charles's Law

• Avogadro's Law

• Newton's Law

What is the main component of the sun?

• Oxygen

• Hydrogen

• Carbon

• Nitrogen