Long answer IX — task. Science CBSE, Class 7.

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Open your mouth, look into a mirror and try to count the different types of teeth in your mouth, and record your observations.

1. Did you observe any difference in the number of teeth? If yes, could you identify which type of teeth showed the difference?

Yes, Molar teeth exhibited variations in their count.
No, there is no change in the count of teeth.

2. Compare the number and type of teeth in an adult (say your parents or cousins who have reached the age of 25-30 or more). Note your observation.

Choose all possible answers.

Incisors 8 in mouth; 8 in figure.
Molars 8 in mouth; 12 in figure.
Molars 8 in mouth; 8 in figure.
Canines 5 in mouth; 4 in figure.
Incisors 8 in mouth; 10 in figure.
Pre-molars 8 in mouth; 8 in figure.
Canines 4 in mouth; 4 in figure.

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49. Long answer IX

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