1. Which
of the following has the longest small intestine?
a.
Carnivore
b.
Omnivore
c.
Herbivore
d.
Autotroph
2. The
process of obtaining food by Amoeba is known as:
a.
dialysis
b.
cytokinesis
c.
phagocytosis
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d.
amoebiasis
3. The
organism having parasitic mode of nutrition is:
a.
Penicillium
b.
Plasmodium
c.
Paramecium
d.
Parrot
4. One
of the following organisms has a saprophytic mode of nutrition. This organism
is:
a.
mushroom
b.
malarial parasite
c.
leech
d.
lice
5.
The length of small intestine in a
human adult is about
a. 4.5
m
b. 1.5
m
c. 3.5
m
d.
6.5
m
6. The
process of digestion of food in humans begins in:
a.
Stomach
b.
food pipe
c.
mouth
d.
small intestine
7. The
process of digestion in humans is completed in:
a.
oesophagus
b.
small
intestine
c.
stomach
d.
large intestine
8. In
human digestive system, bile is secreted by:
a.
pancreas
b.
liver
c.
kidneys
d.
stomach
9.
Two of the following organisms have a holozoic mode of
nutrition. These organisms are:
a. Paramecium and Plasmodium
b. Plasmodium and Parakeet
c. Parakeet and
Paramecium
d. Paramecium and Parasite
10.
The autotrophic mode
of nutrition requires:
a. carbon dioxide and water
b. chlorophyll
c. sunlight
d. all of the
above
11.
The correct order of
steps occurring in nutrition in animals is:
a. Ingestion ---- > Absorption --- > Digestion ---
> Assimilation
b.
Ingestion ----
> Digestion --- > Assimilation ---- > Absorption
c. Ingestion ----
> Digestion --- > Absorption--- > Assimilation
d. Ingestion ---- > Assimilation --- > Digestion ----
> Absorption
12.
In human digestive
system, the enzymes pepsin and trypsin are secreted respectively by:
a. pancreas and liver
b.
stomach and
salivary glands
c.
pancreas and
gall bladder
d. stomach and
pancreas
13.
When carrying out
the starch test on a leaf, why is it important to boil the leaf in alcohol?
a. to dissolve the waxy cuticle
b. to make the cells more permeable to iodine solution
c. to remove the
chlorophyll
d. to stop chemical reactions in the cells.
14.
Pancreatic juice
contains enzymes which digest:
a. proteins and carbohydrates only
b. proteins and fats only
c. fats and carbohydrates only
d. proteins, fats
and carbohydrates
15.
Which of the
following is the correct statement regarding bile?
a. secreted by bile duct and stored in liver
b.
secreted by gall
bladder and stored in liver
c.
secreted by
liver and stored in bile duct
d. secreted by
liver and stored in gall bladder
16.
Where are proteins
first digested in the alimentary canal?
a. small intestine
b. oesophagus
c. mouth
d. stomach
17.
The inner lining of
stomach is protected by one of the following from the harmful effect of
hydrochloric acid. This is:
a. pepsin
b. mucus
c. saliva
d. bile
18.
Which part of
alimentary canal receives bile from the liver?
a. oesophagus
b. small intestine
c. stomach
d. large intestine
19.
Which of the
following component of our food is digested by an enzyme which is present in
saliva as well as in pancreatic juice?
a. proteins
b.
fat
c.
minerals
d. carbohydrate
20.
If the saliva is
lacking in salivary amylase, then which of the following processes taking place
in the buccal cavity will be affected?
a. proteins breaking down into amino acids
b. starch breaking
down into sugars
c. fats breaking down into fatty acids and glycerol
d. intestinal layer breaking down leading to ulcers
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