The sum of all the chemical reactions in a living organism

The way in which living organisms obtain and use food

The getting rid of waste products of metabolism from the body

The way in which living organisms react to their environment

Building up large molecules from small molecules using energy

Sum of all the chemical reactions in an organism

Breaking down large molecules into small molecules with the release of energy

Denaturation of molecules with the release of energy

Breaking down of large molecules into small molecules with the release of energy

Sum of all the chemical reactions in an organism

Building up of large molecules from small molecules using energy

Denaturation of molecules with the release of energy

Changing the way you learn

Question 1

Question

The six most common elements present in living organisms are:

Answer

Carbon, hydrogen , oxygen, sulphur, phosphorus, chlorine
Carbon, hydrogen, oxygen, nitrogen, phosphorus, sulphur
Carbon, hydrogen, oxygen, nitrogen, phosphorus, sodium
Carbon, hydrogen, oxygen, nitrogen, boron, phosphorus

Question 2

Question

Metabolism is:

Answer

The way in which living organisms obtain and use food
The getting rid of waste products of metabolism from the body
The way in which living organisms react to their environment
The sum of all the chemical reactions in a living organism

Question 3

Question

The five elements present as dissolved salts in living organisms are:

Answer

Sodium, potassium, carbon, chlorine, calcium
Sodium, potassium, chlorine, maganese, calcium
Sodium, potassium, chlorine, magnesium, calcium
Sodium, potassium, oxygen, chlorine, calcium

Question 4

Question

Trace elements are present in living organisms:

Answer

to prevent disease
to maintain health
in large amounts
in small amounts

Question 5

Question

Which of the following is NOT a monosaccharide?

Answer

Maltose
Glucose
Fructose
Galactose

Question 6

Question

Which of the following is NOT a disaccharide?

Answer

Maltose
Fructose
Sucrose
Lactose

Question 7

Question

Which of the following is NOT a polysaccharide?

Answer

Starch
Cellulose
Glycogen
Maltose

Question 8

Question

Which of the following is NOT a reducing sugar?

Answer

Maltose
Fructose
Sucrose
Glucose

Question 9

Question

Which of the following reagents are used to test for reducing sugars?

Answer

Biuret's reagent
Benedict's reagent
Iodine
Methylene blue

Question 10

Question

Which of the following is another name for starch?

Answer

Amylase
Maltose
Maltase
Amylose

Question 11

Question

Polysaccharides are composed of long chains of repeating:

Answer

Monosaccharides
Amino acids
Lipids
Nucleic acids

Question 12

Question

In the presence of starch, iodine turns:

Answer

Brick-red
Orange
Blue-black
Blue

Question 13

Question

Which of the following foods is a good source of starch?

Answer

Fish
Eggs
Potato
Chocolate

Question 14

Question

Phospholipids are a major component of:

Answer

DNA
Cell membranes
Cytosol
Cell walls

Question 15

Question

Peptide bonds are found between:

Answer

Monosaccharides
Glycerol and fatty acids
Amino acids
Vitamins

Question 16

Question

Which of the following elements is always present in protein?

Answer

Phosphorus
Sulphur
Nitrogen
Calcium

Question 17

Question

How many common amino acids are there?

Answer

2
20
200
2000

Question 18

Question

Which of the following vitamins is water soluble?

Answer

Question 19

Question

Which of the following elements is required for the formation of the middle lamella in plants?

Answer

Potassium
Sodium
Magnesium
Calcium

Question 20

Question

Which of the following elements is required for the formation of chlorophyll in plants?

Answer

Potassium
Sodium
Magnesium
Calcium

Question 21

Question

What is the symptoms associated with a deficiency in Vitamin C?

Answer

Night-blindness
Beri-beri
Scurvy
Rickets

Question 22

Question

What are the symptoms associated with a deficiency of Vitamin D?

Answer

Scurvy
Rickets
Beri beri
Night-blindness

Question 23

Question

What are the symptoms associated with a deficiency of Vitamin A?

Answer

Scurvy
Beri-beri
Night-blindness
Rickets

Question 24

Question

What are the symptoms associated with a deficiency of Vitamin K?

Answer

Night-blindness
Inability to blood clot
Anaemia
Fatigue

Question 25

Question

Anabolism is the:

Answer

Sum of all the chemical reactions in an organism
Building up large molecules from small molecules using energy
Breaking down large molecules into small molecules with the release of energy
Denaturation of molecules with the release of energy

Question 26

Question

Catabolism is the:

Answer

Sum of all the chemical reactions in an organism
Building up of large molecules from small molecules using energy
Breaking down of large molecules into small molecules with the release of energy
Denaturation of molecules with the release of energy

Question 27

Question

Which of the following is NOT an anabolic reaction?

Answer

Photosynthesis
Protein synthesis
DNA replication
Respiration

Question 28

Question

Which of the following is NOT a catabolic reaction?

Answer

Respiration
Digestion
Hydrolysis
Photosynthesis

Question 29

Question

Which of the following is the opposite of a hydrolysis reaction?

Answer

Photosynthesis reaction
Condensation reaction
Respiration reaction
Digestion reaction

Question 30

Question

Which of the following is NOT a function of water in the body?

Answer

Acts as a medium in which chemical reactions occur
Acts as a solvent
Acts as a source of energy
Acts as a good retainer of heat

Next up

Chapter 3 Nutrition/Food

Description

Resource summary

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30

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	Created by John Loughlin about 8 years ago