9th class Biology
Chapter 8
Nutrition
Exercise solved Mcqs
1. What are the primary nutrients that provide the quick useable energy to
body?
a)
Carbohydrates
b) Proteins
c) Lipids
d) Nucleic acid
2.The wavelike movement of muscle that pushes food
through digestive system is called;
a) Churning
b) Emulsification
c) Absorption
d) Peristalsi
3. Micronutrients of plants are;
a) Available in the soil only in small amount
b)
Required bt plants in small amounts
c) Small molecules required by plants
d) Useful, but not required by plants
2. 4. Which of the
following does not occur on oral cavity?
a) Lubrication of food
b)
Begining of protein digestion
c) Breaking of food into small fragments
d) All of above do not occur in oral cavity
3. 5. Where are villi
found?
a) Esophagus
b) Stomach
c)
Small intestine
d) Large intestine
4. 6. Ulcer occur in
a) Stomach
b) Duodenum
c) Esophagus
d) All of these
5. 7. Which group of
enzymes break up starches and other carbohydrates?
a) Protease
b) Lipases
c) Amylases
d)
None of these
6. 8. Pancreas produced
digestive enzymes and releases them into;
a) Colon
b) Gallbladder
c) Liver
d) Duodenum
7. 9. In stomach,
pepsinogen is converted into;
a)
Pepsin
b) Bicarbonate
c) HCI
d) Gastrin
8. 9. Hepatic portal vein
carries blood from _________ to______.
a) Small
intestine, liver
b) Small intestine , heart
c) Liver , heart
d) Small intestine , colon
9. 10. Which of the
following is not a function of liver?
a) Convert glucose to glycogen
b) Convert glycogen to glucose
c) Manufactures fibrinogen
d)
Produces digestive enzymes
1 12. The disease of Kwashiorkor and marasmus may be due to;
a) Mineral deficiency
b) Over-intake of nutrients
c)
Protein-energy malnutrition
d) ulcer
1 13. Which food group is our body’s best source of energy?
a) Meat group
b) Fats, oils and sweets
c)
Breads and cereal
d) Milk and cheese
1 14. What may be the reason that children need more calcium
and iron?
a) Both calcium and iron for bones
b) Both calcium and iron for blood
c) Calcium for blood and iron for bones
d) Calcium for bones and iron for blood
15. The process of breaking down large droplets of fat
into small droplets is called;
a)
Emulsification
b) Absorption
c) Peristalsis
d) Digestion
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