Attempt Biology MCQs from the past papers of PPSC, KPPSC, SPSC, BPSC, and NTS.
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Q 126: What is the color of Oxyhemoglobin?
A) Red
B) Bright Red
C) Dark Red
D) Pale Yellow
Q 127: Normal Blood Pressure measured in millimeters of mercury is?
A) 100/60 mmHg
B) 120/80 mmHg
C) 140/90 mmHg
D) None of these
Q 128: The normal heartbeat of a human is?
A) 50-60 times per minute
B) 70-80 times per minute
C) 90-100 times per minute
D) 100-110 times per minute
Q 129: Which chamber of the human heart receives oxygenated blood?
A) Right atrium
B) Right ventricle
C) Left atrium
D) Loft ventricle
Q 130: What is the normal range of systolic blood pressure?
A) 80-130
B) 90-110
C) 80-100
D) 150-160
Q 131: Heart attack is caused due to:
A) Blood Sugar
B) Cholesterol
C) Blood Protein
D) Vibro Comma
Q 132: An average human breathes how many times in a day?
A) 10,000 times
B) 22.000 times
C) 25,000 times
D) 27,000 times
Q 133: After cardiovascular exercise or weight training, the body continues to need oxygen at a higher rate than before the exercise began. This sustained oxygen consumption is known as?
A) Excess Metabolic Oxygen Consumption (EMO)
B) Oxygen Recovery Phenomenon (ORP)
C) Post-Workout Respiratory Boost (PWR)
D) Excess Post Exercise Oxygen Consumption (EPOC)
Q 134: Which test is conducted for assessing Cardiac Respiratory fitness?
A) Treadmill Test
B) Harvard Step Test
C) Cardiac Stress Test
D) V O2 max Test
Q 135: Which type of exercise measures upper body strength and endurance?
A) Trunk lift
B) Curl ups
C) Push up
D) None of these
Q 136: An ECG (Electrocardiogram) is used to monitor which organ of the human body?
A) Brain
B) Heart
C) Kidneys
D) Lung
Q 137: How much blood does the human body contain:
A) 3-4 liters
B) 5-6 liters
C) 6-7 liters
D) None of these
Q 138: What is the process of cleaning blood called?
A) Hemostasis
B) Hematopoiesis
C) Hemodialysis
D) Hemocytotysis
Q 139: What affects hemoglobin by reacting with oxygen?
A) Temperature
B) pH
C) Pressure
D) Volume
Q 140: Hemoglobin is soluble in:
A) Benzene
B) Water
C) Chloroform
D) Ether
Q 141: A Sphygmomanometer is an instrument used to measure:
A) Humidity in the Air
B) Blood Pressure
C) Purity of Milk
D) Thickness of Water
Q 142: Who among the following discovered the circulation of blood?
A) Francis Crik
B) William Harvey
C) Robert Brown
D) Carl Linnaeus
Q 143: Increased level of SGOT/AST in blood is an indication of:
A) Anemia
B) Myocardial Infarction
C) Hepatitis
D) Tuberculosis
Q 144: The material used in blood clotting is made up of:
A) Starch
B) Protein
C) Lipids
D) None of these
Q 145: Hemostasis is a process to prevent and stop bleeding is made up of:
A) Starch
B) Amylase
C) Lipase
D) Platelets
Q 146: Percentage of water in plasma:
A) 90%
B) 80%
C) 55%
D) 73%
Q 147: Red blood corpuscles are formed in the ______.