Nutrition in Plants and Animals Test

Result

Nutrition in Plants and Animals Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

Rumen of a cow is a part of its

A
intestine

B
stomach

C
caecum

D
rectum

Solution

Rumen of a cow is a part of its stomach. It serves as the primary site for microbial fermentation of ingested feed.
Question 2
1 / -0

The epithelial cells lining the stomach of vertebrates are protected from damage by HCl because

A
HCl acid is too dilute

B
the epithelial cells are resistant to the action of HCl acid

C
HCl is neutralised by alkaline gastric juice

D
the epithelial cells are covered with a mucous secretion

Solution

The epithelial cells lining the stomach of vertebrates are protected from damage by HCl because the epithelial cells are covered with a mucous secretion.
Question 3
1 / -0

What is the chief function of HCl?

A
To dissolve enzyme secreted in the stomach

B
To maintain a low pH to prevent growth of microorganisms

C
To maintain low pH to facilitate absorption

D
To maintain low pH to activate pepsinogen to form pepsin

Solution

HCl maintains low pH to activate pepsinogen to form pepsin.
Question 4
1 / -0

Pepsin differs from trypsin in such a way that it digests

A
protein in alkaline medium in stomach

B
protein in acidic medium in duodenum

C
protein in acidic medium in stomach

D
protein in alkaline medium in duodenum

Solution

Pepsin differs from trypsin in such a way that it digests protein in acidic medium in stomach.
Question 5
1 / -0

Bilirubin and biliverdin are found in

A
blood

B
bile

C
pancreatic juice

D
saliva

Solution

Bilirubin and biliverdin are found in bile. Bilirubin is created by the activity of biliverdin reductase on biliverdin, a green tetrapyrrolic bile pigment that is also a product of heme catabolism. Bilirubin, when oxidized, reverts to become biliverdin once again.
Question 6
1 / -0

In people addicted to alcohol, the liver gets damaged because it

A
has to detoxify the alcohol

B
stores excess of glycogen

C
is over stimulated to secrete biles

D
accumulates excess of fats

Solution

In people addicted to alcohol, the liver gets damaged because it has to detoxify the alcohol.
Question 7
1 / -0

Liver secretes

A
digestive enzymes only

B
hormones

C
acids only

D
no enzymes

Solution

Liver does not secrete any enzymes.It secretes bile that it produces every day from the conversion of broken down hemoglobin.
Question 8
1 / -0

A pound of butter contains more usable energy than a pound of sugar for a human, because

A
sugar contains much more water than butter

B
a fat molecule has more carbon hydrogen bonds than a sugar molecule

C
butter is an animal product, whereas the sugar is a plant product

D
there is much more waste in digestion and absorption of sugar than of butter

Solution

A pound of butter contains more usable energy than a pound of sugar for a human, because a fat molecule has more carbon hydrogen bonds than a sugar molecule.
Question 9
1 / -0

Glucose is converted into glycogen in the liver and stored in

A
liver

B
liver and spleen

C
liver and muscles

D
spleen and muscles

Solution

Glucose is converted into glycogen in the liver and stored in liver and muscles.
Question 10
1 / -0

Emulsification of fats by bile takes place in the

A
liver

B
stomach

C
duodenum

D
pancreas

Solution

Emulsification of fats by bile takes place in the duodenum. It is the breaking up of fat globules into much smaller emulsion droplets.

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Re-Attempt Weekly Quiz Competition

Nutrition in Plants and Animals Test - 5

Result

Nutrition in Plants and Animals Test - 5

Score

-

Rank

-

SHARING IS CARING

Question 1

intestine

stomach

caecum

rectum

Solution

Question 2

HCl acid is too dilute

the epithelial cells are resistant to the action of HCl acid

HCl is neutralised by alkaline gastric juice

the epithelial cells are covered with a mucous secretion

Solution

Question 3

To dissolve enzyme secreted in the stomach

To maintain a low pH to prevent growth of microorganisms

To maintain low pH to facilitate absorption

To maintain low pH to activate pepsinogen to form pepsin

Solution

Question 4

protein in alkaline medium in stomach

protein in acidic medium in duodenum

protein in acidic medium in stomach

protein in alkaline medium in duodenum

Solution

Question 5

blood

bile

pancreatic juice

saliva

Solution

Question 6

has to detoxify the alcohol

stores excess of glycogen

is over stimulated to secrete biles

accumulates excess of fats

Solution

Question 7

digestive enzymes only

hormones

acids only

no enzymes

Solution

Question 8

sugar contains much more water than butter

a fat molecule has more carbon hydrogen bonds than a sugar molecule

butter is an animal product, whereas the sugar is a plant product

there is much more waste in digestion and absorption of sugar than of butter

Solution

Question 9

liver

liver and spleen

liver and muscles

spleen and muscles

Solution

Question 10

liver

stomach

duodenum

pancreas

Solution

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