Biology End Of Year Y8 Flashcards

1
Q

What substances are made during aerobic respiration?

A

Carbon dioxide and water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

glucose+oxygen->

A

carbon dioxide+water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is a carbon dioxide in terms of respiration?

A

A waste product

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Why can’t all the energy be released from glucose molecules in anaerobic respiration?

A

Because the oxidation is incomplete

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is oxidation?

A

A chemical reaction that involves a substance coming into contact with oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the 5 food groups?

A

Fruit and veg, carbohydrates, proteins, dairy, lipids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What do fruit and veg provide our bodies?

A

Vitamins and fibre

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What do carbohydrates provide our bodies?

A

Slow-release energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What do proteins provide our bodies?

A

Growth, bone repair and muscle building

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does diary provide our bodies?

A

Calcium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Why do we need calcium from dairy?

A

To strengthen teeth and bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Why do we need lipids?

A

To store energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

As well as a healthy diet, what else do we need?

A

Water and exercise

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What do we need to add to food to test for starch?

A

Iodine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What will happen if a test for starch is positive?

A

It will go blue/black

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What do we need to do to test for glucose?

A

Add a few drops of Benedict’s and then put the test tube in a hot water bath for 5 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What will happen if a test for glucose is positive?

A

It will go green to orange to brick red precipitate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What do we need to do to test for protein?

A

Add a few drops of Biruet working solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What will happen if a test for protein is positive?

A

It will go purple

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What do we need to do to test for lipids?

A

Add 2cm cubed of ethanol and shake, add 2cm cubed of water and shake again and allow to settle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What will happen if a test for lipids is positive?

A

It will go milky white on top

22
Q

What are the four types of teeth?

A

Molars, premolars, incisors and canines

23
Q

What type of teeth form at 6 months old?

A

Milk teeth

24
Q

When do milk teeth fall out?

A

At 5 years old

25
Q

What do we need to do to keep teeth healthy?

A

Brush twice a day, floss between teeth, eat less sugary foods and go to the dentist

26
Q

What is the outer shell that covers the tooth?

A

Enamel

27
Q

What is the hollow part of the tooth that contain blood vessels and nerves?

A

The pulp cavity

28
Q

What has tiny tubes that goes from the pulp cavity to the blood capillaries?

A

The dentine

29
Q

What do molars and premolars do?

A

To tear and grind food into small bits

30
Q

What do canines do?

A

Rip and tear food

31
Q

What do incisors do?

A

Chop and grind food into small bits

32
Q

What is tartar?

A

Plaque that has hardened over time

33
Q

What is gingivitis?

A

Gum disease

34
Q

What does the mouth do in digestion?

A

Break down the food and mix it with saliva enzymes

35
Q

What is the œsophages in the digestive system?

A

A tube that goes from the mouth to the stomach

36
Q

What does the liver do in the digestive system?

A

It releases bile into food to break down lipids

37
Q

What is the stomach and what does it do?

A

It is a muscular bag which mixes foods with acid

38
Q

What does the pancreas do in digestion?

A

It releases enzymes into the intestines to break down carbohydrates, proteins and lipids

39
Q

What does the small intestine do?

A

It digests lipids, carbohydrates and proteins are digested, with the nutrients from them being put into the blood

40
Q

What does the large intestine do?

A

It takes in food that cannot break down.

41
Q

What does the rectum do?

A

It stores indigestes food as faeces

42
Q

What do bones do?

A

Protect organs, especially the brain

43
Q

How many bones do adults have?

A

206

44
Q

What moves bones?

A

Muscles

45
Q

What keeps bones together?

A

Joints

46
Q

What do muscles work in?

A

Antagony

47
Q

What are the lungs protected by?

A

Ribs

48
Q

The air that your breathe goes down the trachea and through two tubes called the…

A

Bronchi

49
Q

At the end of the bronchi, you find two smaller tubes called…

A

Bronchioles

50
Q

What is at the end of the bronchioles?

A

Alveoli (air sacs)

51
Q

Where does gas exchange take place?

A

In the alveoli