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प्रश्न
Put a tick (✓) against the most appropriate alternative in the following statement.
The teeth which help in tearing the food are the:
पर्याय
Incisors
Canines
Premolars
Molars
उत्तर
Canines
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संबंधित प्रश्न
In human digestive system, the enzymes pepsin and trypsin are secreted respectively by:
(a) pancreas and liver
(b) stomach and salivary glands
(c) pancreas and gall bladder
(d) stomach and pancreas
Define the following term :
Pylorus
Fill in the blanks.
The ______ and ______ are used for crushing and grinding the food.
Define with examples: Heterotrophs
Describe protein digestion in the human.
A fluid containing the digestive enzyme ____________ is secreted by the serous cells of salivary gland.
In which of the following groups of organisms, food material is broken down outside the body and absorbed?
Read carefully the terms given below. Which of the following set is the correct combination of organs that do not carry out any digestive functions?
Read the following passage carefully and answer the questions that follow it. Bile juice is stored in a sac called, the gall bladder, located near its organ of secretion, the 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?
Given below are two columns, Column I shows enzymes secreted by the glands in the alimentary canal of human beings and Column II indicates the components of food on which enzymes act. Choose the options showing correct matching: