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प्रश्न
The question has four options. Choose the correct answer:
The dental formula of human beings is
पर्याय
`2033/1023`
`2123/2123`
`2120/2120`
`2111/2111`
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उत्तर
`2123/2123`
APPEARS IN
संबंधित प्रश्न
Write names of different parts of human digestive system and explain functions of any three parts.
Digestion of starch starts in the stomach.
Water from the undigested food is absorbed mainly in the ______.
What is the special name of the contraction and expansion movement which pushes the food further in our digestive tract (or alimentary canal)?
Name the main organs of the human digestive system. Also name the associated glands.
The process of digestion in humans is completed in:
(a) oesophagus
(b) small intestine
(c) stomach
(d) large intestine
Name the hormone that helps in regulating level of sugar in our blood. Name the gland that secrets it.
List in tabular form two differences between pepsin and trypsin.
Study the following dental formula and then answer the question that follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
Is the dentition that of a carnivore or herbivore? Give a reason to support your answer.
State whether the following statement is True or False.
The ducts from the salivary glands open into the duodenum.
Write true or false for the below statement. Rewrite the false statements correctly.
The wave-like motion of stomach muscles to push the food is called peristalsis.
Find the odd one out. Give reasons for your choice.
Differentiate between.
Mechanical digestion and Chemical digestion
Complete the following enzymatic reaction.
Maltose \[\ce{->[maltase]}\] ___________
Answer in detail.
Name the four types of teeth and their functions
Name the enzymes secreted by the following: Ileum
Observe the diagram. This is the histological structure of the stomach. Identify and comment on the significance of the layer marked by an arrow.
Why it is important to wear helmet while riding a bike?
Secretions of ____________ lubricate the lumen of the alimentary canal.
Read the following passage carefully and answer the questions that follow it.
| Bile juice is stored in a sac called, gall bladder, located near its organ of secretion, liver. The gall bladder releases the bile juice into the small intestine whenever food reaches there. Though bile juice is devoid of any digestive enzymes, it is required for the digestion of fats. The fats cannot be digested easily because they are insoluble in water and are present as large globules. Bile juice breaks down big fat droplets into smaller droplets. These are then easily digested by the enzymes released from the pancreas. |
- Which organ secretes the bile juice?
- Why is digestion of fats difficult as compared to that of other nutrients?
- How does bile juice help in the digestion of fat?
- Where is the digestion of fat completed?
- Does bile juice digest fat completely?
