How many pairs of spinal nerves are present in the human body?
- (A) 22
- (B) 27
- (C) 31
- (D) 35
- (C) 31
What does “Respiration” mean?
- (A) Inhaling of air
- (B) Breathing
- (C) Exhaling of air
- (D) Beats of heart
- (B) Breathing
The blood-system of human beings is:
- (A) Closed
- (B) Open
- (C) Open at one end
- (D) Close at one end
- (A) Closed
In the human body, salt is eliminated mainly by:
- (A) Liver
- (B) Blood
- (C) Intestine
- (D) Kidneys
- (D) Kidneys
How much saliva (on an average) an adult produces per day?
- (A) 1 to 2 liters
- (B) 2 to 3 liters
- (C) 3 to 4 liters
- (D) 5 to 6 liters
- (A) 1 to 2 liters
What is ‘Penicillin’?
- (A) Analgesic
- (B) Vitamin
- (C) Antibiotic
- (D) Hormone
- (C) Antibiotic
In normal adult human, the weight of heart is:
- (A) 150-200 grams
- (B) 200-250 grams
- (C) 250-300 grams
- (D) 300-350 grams
- (D) 300-350 grams
Human heart is enclosed in double membranous sac called:
- (A) Pleura
- (B) Pericardium
- (C) Peritoneum
- (D) Pericarp
- (B) Pericardium
The protein which helps in blood clotting is:
- (A) Albumin
- (B) Antigen
- (C) Fibrinogen
- (D) Hemoglobin
- (C) Fibrinogen
The process of food digestion in humans is completed in:
- (A) Mouth
- (B) Small intestine
- (C) Stomach
- (D) Large intestine
- (B) Small intestine