AQA Science Quiz

Question 1

What type of bonding does this picture represent?

Accepted Answer

Ionic

Question 2

What is a tissue? (Think biology!)

Accepted Answer

Lots of the same cell working together to perform a function

Question 3

What is diffusion?

Accepted Answer

the movement of particles from high to low concentration

Question 4

Why do giant covalent structures have high melting points?

Accepted Answer

they have lots of strong covalent bonds

Question 5

WHich of the following is not a use for the glucose produced during photosynthesis?

Accepted Answer

Used for energy

Question 6

Which type of respiration produces lactic acid?

Accepted Answer

anaerobic

Question 7

Which of these are adaptations of a sperm cell?

Accepted Answer

long tail for swimming, lots of mitochondria to provide energy

Question 8

If the reading on voltmeter A reads 6V, what will voltmeter C read?

Accepted Answer

3V

Question 9

Which of these parts of a cell do plants have but animals do not?

Accepted Answer

cell wall

Question 10

Why are alloys stronger than pure metals?

Accepted Answer

different sized atoms means the layers can't slide

Question 11

Which of these cell organelles belong in both animal AND plant cells?

Accepted Answer

Cell membrane

Question 12

What happens to enzymes when they are overheated or at the wrong pH?

Accepted Answer

denature

Question 13

If an atom loses an electron it will become ........

Accepted Answer

Positively charged

Question 14

Where do plants get the carbon dioxide from which they need for photosynthesis?

Accepted Answer

The air

Question 15

How many protons does magnesium have?

Accepted Answer

12

Question 16

If you increase the temperature of a chemical reaction it gets faster.

Accepted Answer

True

Question 17

How many electrons does Be have in its outside shell?

Accepted Answer

2

Question 18

Calculate the mean from these numbers 12, 12, 10, 8, 11, 9

Accepted Answer

10.3

Question 19

Which of the following are properties of ionic substances?

Accepted Answer

High melting point, Conduct electricty when melting points

Question 20

What is this component?

Accepted Answer

LDR

Question 21

If ammeter 1 reads 10A, ammeter 2 will read 5A.

Accepted Answer

true

Question 22

If a plant doesn't get enough light, what happens to the rate of photosynthesis?

Accepted Answer

decreases

Question 23

The role of the mitochondria in cells is ......

Accepted Answer

aerobic respiration

Question 24

The role of the cell membrane is.......

Accepted Answer

To control what enters and leaves the cell

Question 25

What is the atomic mass of sodium?

Accepted Answer

23

Question 26

If the reading on ammeter 1 is 3A what will ammeter 2 read?

Accepted Answer

3A

Question 27

Ionic bonding happens between....

Accepted Answer

non-metals and metals

Question 28

Which of the following sub atomic particles has a positive charge?

Accepted Answer

Proton

Question 29

Endothermic reactions....

Accepted Answer

Take in heat

Question 30

Which nutrient does the enzyme protease break down?

Accepted Answer

protein

AQA Science Quiz

Questions 30

AQA Science Quiz

Questions 30