Biology

Question 1

What is the cornea (eye)

Answer 1

A clear tough contacting on the front of the eye which refracts (bends) light

Question 2

What is the iris (eye)

Answer 2

The coloured part of the eye, a muscle. It controls how much light enters the pupil.

Question 3

What is the lens (eye)

Answer 3

Flexible structures that change shape to focus light onto the retina

Question 3

What is the Pupil (eye)

Answer 3

Allows light into the eye. Dilates (gets larger) in dim light, constricts (gets smaller) in bright light

Question 4

What is the retina (eye)

Answer 4

Contains millions of nerve cells which set electrical signals when light strikes them, the receptors are called rods and cones

Question 5

What is the blind spot in your eye? (Eye)

Answer 5

A point where nerves are missing the fibres. The retina enters the opticnevere here

Question 6

What is the optic nerve in the eye? (The eye)

Answer 6

It carries impulses from the retina to the brain co-ordinatior

Question 7

What is a Stimulus (senses)

Answer 7

A change in environment

Question 8

What is a receptor (senses)

Answer 8

Many different types senses eg, light,sound, touch

Question 9

What is an coordinator (senses)

Answer 9

Brain or spinal cord

Question 10

What is an effector (senses)

Answer 10

Muscle or gland

Question 11

What is a Response (senses)

Answer 11

An action in reaction to a stimulus

Question 12

What is humour (eye)

Answer 12

Liquid in the eye

Question 13

What is the nerve in ear? (Ear)

Answer 13

Auditory nerve

Question 13

How many main layers is the skin made up of? (Touch)

Answer 13

3

Question 14

What do receptors in the skin do? (Touch)

Answer 14

It has many different receptors that detect pain pressure and temperature

Question 15

What does the skin contain? (Touch)

Answer 15

Sweat glands, hair, hair follicles, erector muscle and blood vessels

Question 16

Where is the cerembellum located? (Brain)

Answer 16

In the bottom back of the brain

Question 17

Where is the medulla located? (Brain)

Answer 17

The straight line in the bottom of the brain

Question 17

Where is the cerebrum located? (Brain)

Answer 17

The top of the brain

Question 18

What does the brain do? (Brain)

Answer 18

Controls the functions of the body and behaviour. Different areas carry out different functions.

Question 19

What does the cerebellum do? (Brain)

Answer 19

Controls movement

Question 20

What does the medulla do? (Brain)

Answer 20

Controls the unconscious activities such as heart breath and digestion

Question 21

What do3s the cerebral cortex do? (Brain)

Answer 21

Controls conscious thoughts eg: thihht intelligence memory and language

Question 22

Hwo are some people long sighted? (Eye)

Answer 22

Eyeball too short or lens too weak

Question 23

How are some people short sighted?

Answer 23

Eyeball is too long or lens too strong.

Question 24

What are receptors in the eye sensitive to? (Eye)

Answer 24

They are sensitive to light

Question 25

What are receptors in the ear sensitive to?

Answer 25

They are sensitive to sounds

Question 26

What are receptors a kind of?

Answer 26

Cells

Question 26

What does the nervous system do?

Answer 26

Allows humans to coordinate their behaviour and enable them to to react the their surrounding

Question 27

Which senses are sensitive to chemicals?

Answer 27

Tongue and nose

Question 28

Where does information from receptors go to?

Answer 28

Information from receptors passes along nerves to the brain.

Question 29

What is another word for ear drum? (Ear)

Answer 29

Tympanic membrane

Question 30

What is the tube in ear called? (Ear)

Answer 30

Eustachian tube

Question 31

What is an independent variable?

Answer 31

The variable you change

Question 32

What is the dependent variable?

Answer 32

The one your measure/ record

Question 33

What is the control variable? (Ear)

Answer 33

The one you keep the same

Question 34

What are the 3 bones in the ear? (Ear)

Answer 34

Hammer anvil and stir up

Question 35

What is the outer ear called? (Ear)

Answer 35

The pinna

Question 36

What is the canal in the ear called? (Ear)

Answer 36

The ear canal

Question 37

Which part of the ear vibrates when sound is made? (Ear)

Answer 37

The ear drum

Question 38

What is the circular part in the back of the ear callled? (Ear)

Answer 38

The cohlea

Question 39

What are the canals in the ear called? (Ear)

Answer 39

The semicircular canals

Question 40

What is photosynthesis

Answer 40

Takes place in the chloroplasts. Chloroplasts contain chlorophyll which traps the light energy from the sun to be used in photosynthesis.

Question 41

What’s the equation for photosynthesis?

Answer 41

Carbon Dioxide + water —> Glucose + oxygen

Question 42

What is respiration?

Answer 42

A chemical reaction that releases energy from glucose that is used in cells

Question 43

What is Aerobic Respiration?

Answer 43

Occurs when oxygen is used in the reaction.

Question 44

What is the equation for Aerobic respiration?

Answer 44

Glucose + oxygen——> Carbon Dioxide + Water

Question 45

What is Anarobic respiration?

Answer 45

Occurs when there’s no oxygen to breakdown the glucose.

Question 46

What is a food web?

Answer 46

Shows how food chains in an ecosystem are interlinked

Question 47

What is a food chains?

Answer 47

Part of a food web showing energy transfers from a producer ending with a top predator

Question 48

What is a producer

Answer 48

Green plant or algae that makes its own food using sunlight.

Question 49

What is a consumer!?

Answer 49

Animal that eats other Lakers or animals

Question 50

What is an ecosystem?

Answer 50

The living things in an area and their non living environment