GL Practice

Which specialized plant cell contains a large number of chloroplasts that carry out photosynthesis?

• Leaf

• Root hair cell

• Palisade Cell

What is photosynthesis?

• a chemical reaction in plants and algae that produces glucose and oxygen

• a chemical reaction in plants and algae that uses glucose and oxygen

• a chemical reaction in animals that produces glucose and oxygen

Which is longer: a gene or a chromosome?

• Gene

• Chromosome

Which two of the following chemical processes are used to extract metals from their ores?

• carbon reduction

• thermal decomposition

• electrolysis

Aluminum is higher up the reactivity series than tin, because . .

• Aluminum is more reactive than tin.

• Tin is more reactive than aluminum.

What number goes before water (H2O) to balance the equation shown?

• 3

• 1

• 2

• 4

Electrical resistance is . . .

• the amount of energy transferred per unit of charge.

• the rate of flow of electric charge.

• a material's opposition to the flow of charge.

What are the two poles on a magnet called?

• positive pole

• north pole

• negative pole

• south pole

What is the name of the area around a magnet where a force acts on another magnet or magnetic material?

• magnetic force

• magnetic field

A vibration is . . .

• any kind of particle movement.

• a shaking movement in any direction.

• a regular, repeating back-and-forth movement.