Biology

Question 1

Which part of the cell provides energy for the cell?

Answer 1

Mitochondria

Question 2

Where is the DNA stored in a cell?

Answer 2

Nucleus

Question 3

What 3 parts of a cell are found in a plant cell but not an animal cell?

Answer 3

Cell wall, Vacuole, Chloroplast

Question 4

What are the 4 stages of cell organisation?

Answer 4

Cell –> Tissue –> Organ –> Organ System

Question 5

What meant by the term ovulation?

Answer 5

The release of a mature egg from the ovaries

Question 6

What is meant by the term fertilisation?

Answer 6

The fusing of the egg and sperm’s nucleus

Question 7

Where does fertilisation occur?

Answer 7

In the Fallopian tube

Question 8

What is a habitat?

Answer 8

The environment in which an organism lives

Question 9

What term describes the build-up of harmful substance in a food chain?

Answer 9

Bioaccumulation

Question 10

What is an animal that is hunted as a food source?

Answer 10

Prey

Question 11

What term is used to describe the permanent loss of a species on the planet?

Answer 11

Extinction

Question 12

What does biodiversity mean?

Answer 12

The variety of living organisms in an area

Question 13

What does being healthy mean?

Answer 13

Being in a state of complete physical, mental and social well-being

Question 14

Name an organ damaged by alcohol abuse

Answer 14

Liver

Question 15

What is the substance used in cigarettes that makes them so addictive

Answer 15

Nicotine

Question 16

What is the substance used in cigarettes that causes users to possibly develop lung cancer?

Answer 16

Tar

Question 17

What is the toxic gas released when smoking that causes blood to carry less oxygen

Answer 17

Carbon Monoxide

Question 18

What are the two reactants for photosynthesis?

Answer 18

Carbon dioxide + Water

Question 19

What are the two products of photosynthesis?

Answer 19

Glucose + Oxygen

Question 20

What part of the leaf absorbs sunlight?

Answer 20

Chloroplasts

Question 21

Which part of the plant transports water?

Answer 21

Xylem

Question 22

Which part of the leaf controls the entry and exit of gases?

Answer 22

Stomata

Question 23

What is the purpose of digestion?

Answer 23

To break down large molecules of food into smaller ones to be absorbed by the body

Question 24

Which organ in the digestive system contains acid?

Answer 24

Stomach

Question 25

What organ in the digestive system absorbs nutrients?

Answer 25

Small Intestine

Question 26

What is the term for the ideal conditions for an enzyme to work in

Answer 26

Optimum

Question 27

Whats the function of the diaphragm

Answer 27

Change the volume of the lungs

Question 28

What’s the term used to describe an enzyme that’s lost its shape

Answer 28

Denature

Question 29

What direction does the diaphragm move when you breathe in?

Answer 29

Down

Question 30

Where does gas exchange occur in the lungs?

Answer 30

Alveoli

Question 31

Which gases are exchanged in the lungs?

Answer 31

Oxygen and Carbon Dioxide

Question 32

How do gases move from the lungs into the blood

Answer 32

Diffusion

Question 33

Word equation for aerobic respiration

Answer 33

Glucose + Oxygen –> Carbon Dioxide + Water

Question 34

Word equation for anaerobic respiration in plants & bacteria

Answer 34

Glucose –> Carbon Dioxide + Ethanol

Question 35

Word equation for anaerobic respiration in animals

Answer 35

Glucose –> Lactic Acid

Question 36

Where in a cell does aerobic respiration occur?

Answer 36

Mitochondria

Question 37

Why does your heart rate increase during exercise?

Answer 37

To supply muscles with more blood containing oxygen and glucose