How acid or alkali a substance is

Organisation AQA GCSE Flashcards

1

Coronary Heart Disease is caused by?

Eating to much cholesterol.
Having a high resting heart rate
Genetics.
A build up of fatty material inside the coronary artery.

2

The two arteries that carry blood away from the heart are called?

Vena Cava
Aorta
Pulmonary Vein
Pulmonary Artery

3

The blood vessels that carry blood away from the heart are all?

Capillaries
Veins
Arteries

4

What cells are these?

Root Hair Cells
Red Blood Cells
Nerve Cells
Brain cells

5

What food group does biuret solution test for?

Carbohydrates
Protein
Sugar
Fats

6

What is a group of cells with similar structure and function called?

A group
A tissue
A system
An organ

7

What colour does biuret solution turn if protein is present in food?

Light Brown
Green --> Yellow --> Red
Purple
Blue - Black

8

What is the function of Red Blood Cells?

Too carry carbon dioxide
Too carry oxygen
To carry electrical impulses
To fight infection

9

The first chambers of the heart are called?

Valves's
Aorta's
Atrium's
Ventricle's

10

Which enzyme is responsible for digesting fats?

Lipase
Amylase
Carbohydrase
Protease

11

What colour does Iodine solution turn in the presence of starch?

Purple
Blue - Black
Black
Light Brown

12

What is pH

How reactive a substance is
How fast a substance is
How acid or alkali a substance is
How hot or cold a substance is

13

In digestion starch is broken down into?

Amino Acids
Carbohydrates
Fatty Acids and Glycerol
Glucose

14

Protease is a enzyme that breaks down?

Protein
Fats
Starch
Fibre

15

Benedicts reagent is an indicator that tests for

Protein
Starch
Fats
Sugars

Organisation AQA GCSE

Questions 15

Organisation AQA GCSE

Questions 15