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Quiz von John Loughlin, aktualisiert more than 1 year ago
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Erstellt von John Loughlin
vor mehr als 7 Jahre
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Frage 1
Frage
The six most common elements present in living organisms are:
Antworten
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Carbon, hydrogen , oxygen, sulphur, phosphorus, chlorine
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Carbon, hydrogen, oxygen, nitrogen, phosphorus, sulphur
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Carbon, hydrogen, oxygen, nitrogen, phosphorus, sodium
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Carbon, hydrogen, oxygen, nitrogen, boron, phosphorus
Frage 2
Frage
Metabolism is:
Antworten
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The way in which living organisms obtain and use food
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The getting rid of waste products of metabolism from the body
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The way in which living organisms react to their environment
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The sum of all the chemical reactions in a living organism
Frage 3
Frage
The five elements present as dissolved salts in living organisms are:
Antworten
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Sodium, potassium, carbon, chlorine, calcium
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Sodium, potassium, chlorine, maganese, calcium
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Sodium, potassium, chlorine, magnesium, calcium
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Sodium, potassium, oxygen, chlorine, calcium
Frage 4
Frage
Trace elements are present in living organisms:
Antworten
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to prevent disease
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to maintain health
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in large amounts
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in small amounts
Frage 5
Frage
Which of the following is NOT a monosaccharide?
Antworten
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Maltose
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Glucose
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Fructose
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Galactose
Frage 6
Frage
Which of the following is NOT a disaccharide?
Antworten
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Maltose
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Fructose
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Sucrose
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Lactose
Frage 7
Frage
Which of the following is NOT a polysaccharide?
Antworten
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Starch
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Cellulose
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Glycogen
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Maltose
Frage 8
Frage
Which of the following is NOT a reducing sugar?
Antworten
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Maltose
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Fructose
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Sucrose
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Glucose
Frage 9
Frage
Which of the following reagents are used to test for reducing sugars?
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Biuret's reagent
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Benedict's reagent
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Iodine
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Methylene blue
Frage 10
Frage
Which of the following is another name for starch?
Antworten
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Amylase
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Maltose
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Maltase
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Amylose
Frage 11
Frage
Polysaccharides are composed of long chains of repeating:
Antworten
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Monosaccharides
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Amino acids
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Lipids
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Nucleic acids
Frage 12
Frage
In the presence of starch, iodine turns:
Antworten
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Brick-red
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Orange
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Blue-black
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Blue
Frage 13
Frage
Which of the following foods is a good source of starch?
Antworten
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Fish
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Eggs
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Potato
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Chocolate
Frage 14
Frage
Phospholipids are a major component of:
Antworten
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DNA
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Cell membranes
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Cytosol
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Cell walls
Frage 15
Frage
Peptide bonds are found between:
Antworten
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Monosaccharides
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Glycerol and fatty acids
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Amino acids
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Vitamins
Frage 16
Frage
Which of the following elements is always present in protein?
Antworten
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Phosphorus
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Sulphur
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Nitrogen
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Calcium
Frage 17
Frage
How many common amino acids are there?
Antworten
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2
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20
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200
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2000
Frage 18
Frage
Which of the following vitamins is water soluble?
Antworten
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A
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C
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D
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K
Frage 19
Frage
Which of the following elements is required for the formation of the middle lamella in plants?
Antworten
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Potassium
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Sodium
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Magnesium
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Calcium
Frage 20
Frage
Which of the following elements is required for the formation of chlorophyll in plants?
Antworten
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Potassium
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Sodium
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Magnesium
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Calcium
Frage 21
Frage
What is the symptoms associated with a deficiency in Vitamin C?
Antworten
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Night-blindness
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Beri-beri
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Scurvy
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Rickets
Frage 22
Frage
What are the symptoms associated with a deficiency of Vitamin D?
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Scurvy
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Rickets
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Beri beri
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Night-blindness
Frage 23
Frage
What are the symptoms associated with a deficiency of Vitamin A?
Antworten
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Scurvy
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Beri-beri
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Night-blindness
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Rickets
Frage 24
Frage
What are the symptoms associated with a deficiency of Vitamin K?
Antworten
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Night-blindness
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Inability to blood clot
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Anaemia
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Fatigue
Frage 25
Frage
Anabolism is the:
Antworten
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Sum of all the chemical reactions in an organism
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Building up large molecules from small molecules using energy
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Breaking down large molecules into small molecules with the release of energy
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Denaturation of molecules with the release of energy
Frage 26
Frage
Catabolism is the:
Antworten
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Sum of all the chemical reactions in an organism
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Building up of large molecules from small molecules using energy
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Breaking down of large molecules into small molecules with the release of energy
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Denaturation of molecules with the release of energy
Frage 27
Frage
Which of the following is NOT an anabolic reaction?
Antworten
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Photosynthesis
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Protein synthesis
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DNA replication
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Respiration
Frage 28
Frage
Which of the following is NOT a catabolic reaction?
Antworten
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Respiration
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Digestion
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Hydrolysis
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Photosynthesis
Frage 29
Frage
Which of the following is the opposite of a hydrolysis reaction?
Antworten
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Photosynthesis reaction
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Condensation reaction
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Respiration reaction
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Digestion reaction
Frage 30
Frage
Which of the following is NOT a function of water in the body?
Antworten
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Acts as a medium in which chemical reactions occur
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Acts as a solvent
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Acts as a source of energy
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Acts as a good retainer of heat
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