6870184
Descrição
Quiz por John Loughlin, atualizado more than 1 year ago
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Criado por John Loughlin
mais de 7 anos atrás
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Questão 1
Questão
The six most common elements present in living organisms are:
Responda
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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
Questão 2
Questão
Metabolism is:
Responda
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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
Questão 3
Questão
The five elements present as dissolved salts in living organisms are:
Responda
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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
Questão 4
Questão
Trace elements are present in living organisms:
Responda
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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
Questão 5
Questão
Which of the following is NOT a monosaccharide?
Responda
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Maltose
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Glucose
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Fructose
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Galactose
Questão 6
Questão
Which of the following is NOT a disaccharide?
Responda
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Maltose
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Fructose
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Sucrose
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Lactose
Questão 7
Questão
Which of the following is NOT a polysaccharide?
Responda
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Starch
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Cellulose
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Glycogen
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Maltose
Questão 8
Questão
Which of the following is NOT a reducing sugar?
Responda
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Maltose
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Fructose
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Sucrose
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Glucose
Questão 9
Questão
Which of the following reagents are used to test for reducing sugars?
Responda
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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
Questão 10
Questão
Which of the following is another name for starch?
Responda
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Amylase
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Maltose
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Maltase
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Amylose
Questão 11
Questão
Polysaccharides are composed of long chains of repeating:
Responda
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Monosaccharides
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Amino acids
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Lipids
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Nucleic acids
Questão 12
Questão
In the presence of starch, iodine turns:
Responda
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Brick-red
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Orange
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Blue-black
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Blue
Questão 13
Questão
Which of the following foods is a good source of starch?
Responda
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Fish
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Eggs
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Potato
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Chocolate
Questão 14
Questão
Phospholipids are a major component of:
Responda
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DNA
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Cell membranes
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Cytosol
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Cell walls
Questão 15
Questão
Peptide bonds are found between:
Responda
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Monosaccharides
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Glycerol and fatty acids
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Amino acids
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Vitamins
Questão 16
Questão
Which of the following elements is always present in protein?
Responda
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Phosphorus
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Sulphur
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Nitrogen
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Calcium
Questão 17
Questão
How many common amino acids are there?
Responda
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2
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20
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200
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2000
Questão 18
Questão
Which of the following vitamins is water soluble?
Responda
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A
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C
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D
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K
Questão 19
Questão
Which of the following elements is required for the formation of the middle lamella in plants?
Responda
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Potassium
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Sodium
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Magnesium
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Calcium
Questão 20
Questão
Which of the following elements is required for the formation of chlorophyll in plants?
Responda
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Potassium
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Sodium
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Magnesium
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Calcium
Questão 21
Questão
What is the symptoms associated with a deficiency in Vitamin C?
Responda
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Night-blindness
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Beri-beri
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Scurvy
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Rickets
Questão 22
Questão
What are the symptoms associated with a deficiency of Vitamin D?
Responda
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Scurvy
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Rickets
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Beri beri
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Night-blindness
Questão 23
Questão
What are the symptoms associated with a deficiency of Vitamin A?
Responda
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Scurvy
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Beri-beri
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Night-blindness
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Rickets
Questão 24
Questão
What are the symptoms associated with a deficiency of Vitamin K?
Responda
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Night-blindness
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Inability to blood clot
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Anaemia
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Fatigue
Questão 25
Questão
Anabolism is the:
Responda
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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
Questão 26
Questão
Catabolism is the:
Responda
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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
Questão 27
Questão
Which of the following is NOT an anabolic reaction?
Responda
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Photosynthesis
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Protein synthesis
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DNA replication
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Respiration
Questão 28
Questão
Which of the following is NOT a catabolic reaction?
Responda
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Respiration
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Digestion
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Hydrolysis
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Photosynthesis
Questão 29
Questão
Which of the following is the opposite of a hydrolysis reaction?
Responda
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Photosynthesis reaction
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Condensation reaction
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Respiration reaction
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Digestion reaction
Questão 30
Questão
Which of the following is NOT a function of water in the body?
Responda
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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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