GENERAL SCIENCE #44
MULTIPLE CHOICE QUESTIONS
1. Bile
is produced in which of the following?
(a) Gall bladder
(b) Blood
(c) Liver
(d) Spleen
Answer:
(c)
2. Cud
is the name given to the food of ruminants which is ……………
(а) swallowed and undigested
(b) swallowed and partially digested
(c) properly chewed and partially digested
(d) properly chewed and completely digested
Answer:
(b)
3. The
false feet of Amoeba are used for ……………
(a) movement only
(b) capture of food only
(c) capture of food and movement
(d) exchange of gases only
Answer:
(c)
4. Read
the following statements with reference to the villi of small intestine.
(i) They have very thin walls.
(ii) They have a network of thin and small blood vessels
close to the surface.
(iii) They have small pores through which food can easily
pass.
(iv) They are finger-like projections.
Identify those statements which enable the villi to
absorb digested food.
(a) (i), (ii) and (iv)
(b) (ii), (iii) and (iv)
(c) (iii) and (iv)
(d) (i) and (iv)
Answer:
(a)
5. The
finger-like outgrowths of Amoeba helps to ingest food. However, the finger-like
outgrowths of human intestine helps to ……………
(a) digest the fatty food substances
(b) make the food soluble
(c) absorb the digested food
(d) absorb the undigested food
Answer:
(c)
6. The
main function of the lacteals of intestine is the absorption of which of the
following?
(a) amino acids
(b) glucose and vitamins
(c) lactic acid
(d) fatty acids and glycerol
Answer:
(d)
7. Gastric
digestion takes place efficiently in ……………
(a) acidic medium
(b) alkaline medium
(c) neutral medium
(d) highly alkaline medium
Answer:
(a)
8. Which
is not digested by human?
(a) Protein
(b) Fats
(c) Glucose
(d) Cellulose
Answer:
(d)
9. How
many premolars teeth found in mouth?
(a) 2
(b) 4
(c) 6
(d) 8
Answer:
(b)
10. Given
below from (i) to (iv) are some food items.
(i) Boiled and mashed potato
(ii) Glucose solution
(iii) A slice of bread
(iv) Mustard oil
Which of the above will give blue-black colour when
tested with iodine?
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (iii) and (iv)
Answer:
(b)
11. Which
of the following pair of teeth differ in structure but are similar in function?
(a) Canines and incisors
(b) Molars and premolars
(c) Incisors and molars
(d) Premolars and canines
Answer:
(a)
12. Which
of the following set is the correct combination of organs that do not carry out
any digestive functions?
(a) Oesophagus, Large Intestine, Rectum
(b) Buccal Cavity, Oesophagus, Rectum
(c) Buccal Cavity, Oesophagus, Large Intestine
(d) Small Intestine, Large Intestine, Rectum
Answer:
(a)
13. The
swallowed food moves downwards in the alimentary canal because of ……………
(a) force provided by the muscular tongue.
(b) the flow of water taken with the food.
(c) gravitational pull.
(d) the contraction of muscles in the wall of food pipe.
Answer:
(a)
14. The
acid present in the stomach ...............
(a) kills the harmful bacterial that may enter along with
the food.
(b) protects the stomach lining from harmful substances.
(c) digests starch into simpler sugars.
(d) makes the medium alkaline.
Answer:
(c)
15. The
enzymes present in the saliva convert ……………
(a) fats into fatty acids and glycerol
(b) starch into simple sugars
(c) proteins into amino acids
(d) complex sugars into simple sugars
Answer:
(b)
16. Which
of the following is not a part of digestive system?
(a) Mouth cavity
(b) Stomach
(c) Food pipe
(d) Wind pipe
Answer:
(d)
17. Which
is the largest gland in our body?
(a) Liver
(b) Salivary gland
(c) Pancreas
(d) Gallbladder
Answer:
(a)
18. Which
acid is secreted in the stomach?
(a) Hydrochloric acid
(b) Sulphuric acid
(c) Phosphoric acid
(d) Nitric acid
Answer:
(a)
19. Bile
is produced by which of the following?
(a) Small intestine
(b) Gallbladder
(c) Liver
(d) Pancreas
Answer:
(d)
20. Bile
plays an important role in the digestion of which of the following?
(a) Proteins
(b) Starch
(c) Fats
(d) None of the above
Answer:
(c)
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