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प्रश्न
What is the dental formula of a normal human adult?
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उत्तर
The dental formula of a normal human adult is:
Human adult = `(2,1,2,3)/(2,1,2,3) = 32` (Permanent teeth + Wisdom teeth)
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संबंधित प्रश्न
What is the name of tiny projections on the inner surface of small intestine which help in absorbing the digested food?
What is the name of the opening in the human body through which undigested food is thrown out?
What causes movement of food inside the alimentary canal?
Draw a labelled diagram of the human digestive system. With the help of this diagram, describe the process of digestion of food in man (humans).
Study the following dental formula and then answer the question that follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
Name an animal possessing such a dentition.
Put a tick (✓) against the most appropriate alternative in the following statement.
The hardest substance in your body?
Identify and name the four type of teeth shown below and give their functions
Name the types of teeth seen in humans.
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 | ||
Name the enzymes secreted by the following: Salivary glands
Who is telling a lie?
Tongue: My taste-buds can tell only a sweet taste.
Give a reason.
Food becomes acidic in the stomach.
Sketch and label a diagram of the digestive system and describe it in your own words.
Name the salivary glands in our mouth?
A calcified connective tissue from which the basic shape of the tooth is derived is known as ______.
Match the two columns and select correct option.
| Column - I | Column - II | ||
| i. | Sphincter of Oddi | a. | Oesophagus and stomach |
| ii. |
Ileo-caecal sphincter |
b. | Stomach and small intestine |
| iii. | Pyloric sphincter | c | Ileum and caecum |
| iv. |
Gastro-oesophageal sphincter |
d. | Opening of hepato- pancreatic duct |
Digestion of starch begins in the ______.
Liver transports nutrients, oxygen, wastes, and hormones.
Name the correct substrates for the following enzymes
- Trypsin
- Amylase
- Pepsin
- Lipase
Fill in the blanks using the words listed below.
| water, front, intestinal, salts, pseudopodia, back, vacuole |
- The digestion of all food components is completed by the ______ juice.
- Large intestine absorbs ______ and some ______ from the undigested food.
- Tongue is attached at the ______ to the floor of the mouth cavity and is free at the ______.
- Amoeba pushes out ______ around the food and traps it in a food ______.
