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9th Class Biology English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
What is the primary nutrient that provides quick useable energy for the body?
Choose an answer
Carbohydrates
Protiens
Lipids
Nucleic acids
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Question # 2
To waht category of molecules do enzymes belong?
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Carbohydrates
Lipids
Nucleic acids
Proteins
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Question # 3
................. is an important port of ulcer formation.
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Cigarette smoking
Over eating
Spicy food
All
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Question # 4
................ is an asymptomatic condition.
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Osteoporosis
Osteoarthritis
Osteocalcacemir
None
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Question # 5
Cellular eating is called:
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Pinocytosis
Endocytosis
Phagocytosis
None
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Question # 6
In plants, _______________ conduct food.
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Xylem
Phloem
Both
None
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Question # 7
A protein found in the rod cells of retina of eye is:
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Trypsin
Pepsin
Rhodopsin
None of these
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Question # 8
Viroids are composed of:
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RNA only
DNA only
Protein only
Both RNA and protein
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Question # 9
The study of genes and their role in inheritance is called.
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Histology
Anatomy
Genetics
Inheritance
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Question # 10
Horticulture belong to.
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Gardening
Poultry
Fishries
Modicine
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Question # 11
Are the major source of energy .
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Protein
Lipid
Crabohydraets
Vitamins
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Question # 12
When we add more substrate to an already occurring enzymatic reaction and there is no increase in the rate of reaction what would you predict?
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All active sites have been occupied by substrate molecules
The enzyme molecules have denatured
More substrate acted as inhibitor
More substrate has disturbed the pH of the medium
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Question # 13
What is true about cofactors?
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Break hydrogen bonds in proteins
Help facilitate enzyme activity
Increase activation energy
Are composed of proteins
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