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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
Label the following figure of the digestive system.
A part of the human digestive system
Iodine turns blue-black on reacting with ______.
What substances are contained in pancreatic juice? What are their functions?
In human digestive system, the enzymes pepsin and trypsin are secreted respectively by ______.
Write true or false for the below statement. Rewrite the false statements correctly.
Water is absorbed in large intestine
State whether the following statements are True or false: Pancreatic amylase digests protein into amino acids.
Match items in column A with the appropriate items in Column B:
| Column A | Column B | ||
| 1 | HCl | a | Lactose |
| 2 | Rennin | b | Pellagra |
| 3 | Enteropeptidase | c | Rumen |
| 4 | Cellulose | d | Pepsin |
| 5 | Ptyalin | e | Starch |
| 6 | Vitamin | f | Pernicious anaemia |
| 7 | Intestinal juice | g | Trypsin |
| 8 | Bile salt | h | Casein |
| 9 | Vitamin A | i | Micelle |
| 10 | Goitre | j | Night-blindness |
| k | Iodine | ||
Correct the spellings: Caceum
The question has four options. Choose the correct answer:
The ileum is characterized by
How do we know that we are hungry and that we should now eat?
Use your brain power!
Why do we sometimes choke suddenly while eating?
Circle the odd one.
Identify the labels i, ii, iii, and iv in the given diagram of tooth anatomy.
The coiled middle portion of the small intestine which is 2.5 meters long is the ______.
Observe the diagram of Human digestive system.
Match the labeling referred in column I and correlate with the function in column II.
| Column I | Column II | |
| i. | a. | The length of this depends on food the organism eats. |
| ii. | b. | Initial phase of starch digestion |
| iii. | c. | Increase the efficiency of lipase enzyme action |
| iv. | d. | This is the site of the complete digestion of carbohydrates, proteins and fats. |
What are the functions of gastric glands present in the wall of the stomach?
Draw the diagram of the alimentary canal of man and label the following parts. Mouth, Oesophagus, Stomach, Intestine.
Given below from (i) to (iv) are some food items.
- Boiled and mashed potato
- Glucose solution
- A slice of bread
- Mustard oil
Which of the above will give a blue-black colour when tested with iodine?
The enzymes present in the saliva convert ______.
