Last Updated On [03-11-2023]
Which of the following scales are similar to mammalian teeth?
a)
Cycloid
b)
Placoid
c)
Ganoid
d)
Cninoid
Which of the following scales are similar to mammalian teeth?
a)
Cycloid
b)
Placoid
c)
Ganoid
d)
Cninoid
Question ID - 1969 :-
Which of the following scales are similar to mammalian teeth?
a)
Cycloid
b)
Placoid
c)
Ganoid
d)
Cninoid
|
Which of the following scales are similar to mammalian teeth? |
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|
a) |
Cycloid |
b) |
Placoid |
c) |
Ganoid |
d) |
Cninoid |
(b)
Placoid scales are similar to mammalian teeth. It is characteristic feature of elasmobranch fishes only, each placoid scale consists of a backwardly directed spine arising from a rounded basal plate embedded in dermis.
Next Question :
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Read the statement A and B. A. In human, small intestine is the longest protein of the alimentary canal. B. Absorption of digested food requires a very large surface area. Identify the correct choice on the two statements. |
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a) |
Statement A is correct, B is wrong |
b) |
Statement A and B are both correct |
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c) |
Both the statements are wrong |
d) |
Statement B is correct, A is wrong |
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