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प्रश्न
The question has four options. Choose the correct answer:
The hardest constituent of the tooth is
पर्याय
bone
dentine
enamel
pulp
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उत्तर
Enamel
APPEARS IN
संबंधित प्रश्न
List in tabular form two differences between pepsin and trypsin.
What is the function of rectum?
Study the following dental formula and then answer the question that follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
State the total number of teeth present in the dentition.
Write True or False in the following statement
Molars help in cutting and tearing food.
Fill in the blanks.
The ______ and ______ are used for crushing and grinding the food.
Fill in the blank.
Saliva contains salivary amylase which changes starch to _____.
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______ and ______ help in digestion but food does not pass through them.
Write true or false for the below statement. Rewrite the false statements correctly.
Water is absorbed in large intestine
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peristalsis; tongue pushes the food; grinding and mixing saliva; cutting and tearing of food
Find the odd one out. Give reasons for your choice.
Differentiate between
Small intestine and Large intestine
Answer in detail.
What happens to the nutrients absorbed in the bloodstream from the small intestine?
Mention the different types of nutrition?
State one difference in nutrition: Autotroph and Heterotroph
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Identify the part of the digestive system which is vestigial in humans?
Which option represents the CORRECT sequence of digestive organs between the mouth and the anus?
What is digestion?
Solve the crossword given as Figure.

| Across | Down | ||
| 1. | Cream-coloured digestive gland | 2. | Feeds with the help of pseudopodia |
| 3. | Undigested excretory solid residues | 6. | Total number of molars in one jaw of an adult |
| 4. | Organ that mixes saliva with the food | 8. | Largest gland |
| 5. | Point of defecation | 9. | Watery secretion in the mouth |
| 7. | Stored in gall bladder | 11. | A ruminant |
| 10. | Finger-like outgrowth in the small intestine | 12. | Form of food chewed by ruminants |
| 13. | Kind of taste buds | ||
| 14. | Kills bacteria in the stomach | ||
