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9th Class General Science Chapter 4 Population and Environment English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The compound which is required in very small amonut is.
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Carbohydrate
Protein
Fats
Vitamins
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Question # 2
The food component in body which is needed in fraction only & nbsp
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Carbohydrate 
Protein 
Vitamins 
Fast 
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Question # 3
___________ gland is also known as Master gland.
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Thyroid gland
Pituitary gland
Adrenal gland
Gonads
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Question # 4
The deficiency of iodine cause thyroid to increase in size than normal and result..... disease.
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Tetanus
Plauge
Goiter
Heart Disease
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Question # 5
Tests are responsible for the development of male sex while. responsible for the development for female sex.
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Pancreas
Ovary
Gonads
Adrenal gland
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Question # 6
chemical messangers secreted by the glands and transported through the blood are called a.......
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Fats
Vitamin
Hormones
Glands
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Question # 7
Deficiency of this vitamin leads to deficiency of blood
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B1
B2
B6
B12
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Question # 8
Insulin is secreted from this gland
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Adrenal gland 
Pancreases 
Thyroid gland 
Pituitary gland 
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Question # 9
All the proteins are madw up of....... differnet types of amino acids.
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Twenty
Thirty
Forty
Sixty
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Question # 10
___________ acts as a lubricant int he joints and other internal body organs.
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Minerals
Salts
Water
Food
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Question # 11
The hormone whihc controls invountary action of body is
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Thyroxin
Epinephrine
Adrenal
Insulin
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Question # 12
The building blocks of protein
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Fatty acid
Antibodies
Enzymes
Amino acids
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Question # 13
The unit of food energy
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Joule
Newton meter
Diopter
calorie
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Question # 14
Deficiency of .......slows down the blood clotting mechanism.
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Vitamin A
Vitamin D
Vitamin E
Vitamin K
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Question # 15
The primary and cheapest source of energy for the cell:
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Proteins
Carbohydrates
Vitamins
Fast
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Question # 16
____________ are formed by the chemical combinatiin of fatty acid with glycerol
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Carbohydrates
Lipids
Proteins
Glucose
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Question # 17
Water makes almost of human body
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80% of human body  
90% of human body 
60% of human body 
30% of human body 
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Question # 18
The deficiency of vitamin D causes
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Scurvy 
T.B
Rickets 
Anemia 
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Question # 19
Thyroid gland increases in size because of
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Deficiency of iodine & nbsp
Deficiency of fluorides & nbsp
Deficiency of iron & nbsp
Deficiency of calcium & nbsp
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