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Given the QUESTION, identify the ANSWER
1. Which of the following is not true?
A. Heart rate in a healthy human adult is 60-64 beats per minute.
B. Oxygen is transported to various parts of the body through blood.
C. White blood cells help the body fight against infections.
D. Platelets play an important role in clotting of blood.
• A
• C
• B
• D
Answer: AHeart rate in a healthy human adult is 72-78 beats per minute.
2. _______ are formed by the division of trachea.
• Bronchioles
• Bronchi
• Air sacs
• Ureters
Answer: Bronchi
3. Which of the following helps keep the human body cool?
A. Respiration
B. Mastication
C. Perspiration
D. Urination
• A
• B
• C
• D
Answer: C
4. Which of the following is not a function of the large intestine?
A. Absorption of water
B. Formation of feces
C. Churning of food
D. Absorption of salts
• A
• B
• C
• D
Answer: CChurning of food occurs in the stomach.
5. Which type of teeth are used for tearing the food?
• Canines
• Molars
• Premolars
• Incisors
Answer: CaninesThere are four types of teeth in adult humans:
1. Incisors (8 in number) - flat chisel-shaped front teeth used for cutting food
2. Canines (4 in number) - pointed corner teeth used for tearing the food.
3. Premolars (8 in number)
4. Molars (12 in number)
Premolars and molars are the back teeth with broad tops that are used for chewing and grinding the food.
6. Incisors are used for _______ the food.
• chewing
• tearing
• cutting
• grinding
Answer: cuttingThere are four types of teeth in adult humans:
1. Incisors (8 in number) - flat chisel-shaped front teeth used for cutting food
2. Canines (4 in number) - pointed corner teeth used for tearing the food.
3. Premolars (8 in number)
4. Molars (12 in number)
Premolars and molars are the back teeth with broad tops that are used for chewing and grinding the food.
7. Main function of molars and premolars is _______ the food.
• cutting
• grinding
• circulating
• tearing
Answer: grindingThere are four types of teeth in adult humans:
1. Incisors (8 in number) - flat chisel-shaped front teeth used for cutting food
2. Canines (4 in number) - pointed corner teeth used for tearing the food.
3. Premolars (8 in number)
4. Molars (12 in number)
Premolars and molars are the back teeth with broad tops that are used for chewing and grinding the food.
8. _______ filter the blood to excrete harmful substances in the form of urine.
• Kidneys
• Lungs
• Urinary bladder
• Endocrine Glands
Answer: KidneysThere are two kidneys, bean-shaped in structure. Kidneys filter the blood and excrete waste products in the form of urine. Urine formed in the kidneys is passed to the urinary bladder via two ureters.
9. Bile is secreted by the
• liver
• gall bladder
• pancreas
• small intestine
Answer: liverBile is a green-colored fluid secreted by the liver and stored in the gall bladder. It is necessary for digestion and absorption of salts.
10. Voice box is the name given to the
• trachea
• pharynx
• oral cavity
• larynx
Answer: larynx
11. Which of the following helps in digestion?
A. Pancreatic juice
B. Saliva
C. Bile
D. All of these
• A
• B
• C
• D
Answer: D
12. Food descends from the mouth to the stomach through the
• esophagus
• larynx
• small intestine
• trachea
Answer: esophagusEsophagus is a tubular structure which joins the mouth to the stomach. Its length is about 30 cm.
13. Larger dust particles in the inhaled air are trapped in the
• pharynx
• nose
• epiglottis
• larynx
Answer: nose
14. Gastric juice is secreted by
• liver
• small intestine
• pancreas
• stomach
Answer: stomachGastric juice is secreted by the stomach. It contains acid and enzymes which help in the digestion of food.
15. 'C' shaped rings of cartilage are present in the
• Esophagus
• Trachea
• Ureter
• Intestines
Answer: TracheaThere are about 16-18 rings of cartilage present in the trachea. They prevent the trachea from collapsing.
16. What is the name of the sac-like structure which stores urine?
• Ureter
• Kidney
• Stomach
• Urinary Bladder
Answer: Urinary BladderUrine formed in the kidneys is passed to the urinary bladder via two ureters and is stored there till it is excreted out.
17. True or false: Exchange of air takes place in the lungs.
• False
• True
Answer: True
18. True or false: CO2 is formed as a waste product during respiration.
• True
• False
Answer: True
19. Epiglottis guards the opening of larynx into pharynx.
• True
• False
Answer: TrueEpiglottis is a leaf-like projection behind the tongue. It prevents the food from entering into air passages.
Given the QUESTION, identify the ANSWER
20. What type are teeth 1 and 2 in the following diagram?
• Canine
• Molar
• Premolar
• Incisor
Answer: Incisor
21. What type is tooth 3 in the following diagram?
• Canine
• Incisor
• Molar
• Premolar
Answer: Canine
22. What type are teeth 4 and 5 in the following diagram?
• Premolar
• Canine
• Molar
• Incisor
Answer: Premolar
23. What type are teeth 6, 7 and 8 in the following diagram?
• Canine
• Incisor
• Premolar
• Molar
Answer: Molar
Try the Quiz : Biology : Human Organ Systems II
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