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Holozoic Nutrition

Explain why w...

Question

Explain why we cannot use our canine teeth for biting into apples or our incisors for chewing?

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Solution

Incisors are the sharp teeth in the front with chisel-like edges. Thus, they can be used for biting, but not for chewing. Canines are the large pointed teeth on the either side of the incisors. They cannot be used for biting as they are not present in the front.

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Q. The teeth that are used for biting an apple are

(a) incisors
(b) canines
(c) pre-molars
(d) molars

Q. Study the following passage:
Most of the vertebrates have jaws with teeth. The mode of arrangement of teeth on the jaws is called dentition.
The various types of teeth seen in mammals are incisors (I) canines (C) premolars (P) and molars (M). They are used for biting, tearing, chewing and grinding, respectively.
Canines, the tearing teeth are well-developed in carnivores and ill-developed or absent in herbivores.

Now answer the following:
(i) In frogs, all the teeth in the upper jaw look-alike, whereas in human beings they are different. The type of dentition in human beings can be called .........
(a) Homodont (b) Isodont (c) Heterodont (d) Acrodont
(ii) The dental formula of a mammal is written as ICPM=2023/1023. The teeth missing in it are ................
(a) Incisors (b) Canines (c) Premolars (d) Molars

Q. The pointed teeth in your mouth are

(a) permolars
(b) incisors
(c) molars
(d) canines

Why when we cut onion tear come from our eye and when we cut onion chewing chemgun tear do not come from our eye

Q. Choose or find odd word:
Molar, Canine, Enamel, Incisors

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