Digestion And Absorption

Biology
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In the wall of the alimentary canal, what is the correct sequence of layers, starting from the outside to the inside?

A
Serosa, longitudinal muscle, mucosa, sub-mucosa
B
Mucosa, serosa, long muscle
C
Serosa, longitudinal muscle, circular muscles, sub-mucosa, mucosa
D
Serosa, long muscles, sub-mucosa, mucosa
Medium
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In mammals, the digestion of starch starts from

A
Mouth
B
Stomach
C
Oesophagus
D
Duodenum
Medium
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Muscles of alimentary canal are chiefly _______________.

A
Striated and Neurogenic
B
Unstriated and Neurogenic
C
Striated and Myogenic
D
Unstriated and Myogenic
Medium
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Pulp cavity of teeth is lined by

A
Odontoblast
B
Chondrobast
C
Osteoblast
D
Amylobast
Medium
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Taste buds for bitter taste are found on tongue at

A
Tip
B
On basal surface
C
Posterior part
D
Lateral sides
Medium
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Which one of the following is not a mammalian character?

A
Presence of milk-producing glands
B
Presence of two pairs of limbs
C
Presence of hair on the skin
D
Presence of external ears called pinnae
E
Homodont type of dentition
Medium
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Assertion

The columnar epithelium lining the intestinal mucosa appears to have a brush like an appearance.

Reason

A large number of microvilli are present on brush bordered columnar epithelium.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Both Assertion and Reason are incorrect
Medium
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The wall of rectum lacks

A
Muscularis mucosa
B
Lamina propria
C
Multicellular glands
D
Taeniae
Medium
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In rabbit, the digestion of cellulose takes place in

A
Colon
B
Ileum
C
Caecum
D
Rectum
Medium
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Digestive enzymes are

A
Hydrolase
B
Oxido-reductase
C
Transferase
D
None of the above
Medium
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