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प्रश्न
What are the end products of the digestion of: starch, proteins and fats respectively?
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उत्तर
| SUBSTRATE | END PRODUCTS |
| Starch | Maltose |
| Proteins | Small peptides and amino acids |
| Fats | Fatty acids and glycerol |
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संबंधित प्रश्न
How is the small intestine designed to absorb digested food?
Fat is completely digested in the ______.
Why do we get instant energy from glucose?
Which part of the digestive canal is involved in:
Killing of bacteria ______.
What is the role of hydrochloric acid in our stomach?
What is the function of enzymes in the human digestive system?
What is the special name of the contraction and expansion movement which pushes the food further in our digestive tract (or alimentary canal)?
Which of the following is the correct sequence of parts as they occur in the human alimentary canal?
(a) Mouth → Stomach → Small intestine → Oesophagus → Large intestine
(b) Mouth → Oesophagus → Stomach → Large intestine → Small intestine
(c) Mouth → Stomach → Oesophagus → Small intestine → Large intestine
(d) Mouth → Oesophagus → Stomach → Small intestine → Large intestine
When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then from its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache.
(a) What are (i) organisms A, and (ii) substance B?
(b) What are (i) part C, and (ii) part D, of tooth known as?
(c) By what name are the holes E in the tooth known?
(d) Name the part F of the tooth.
(e) What will happen if organisms A reach part F of the tooth known?
Define the term nutrition.
Answer in detail.
What is meant by digestion? How does it differ from nutrition?
State one difference in nutrition: Parasite and Saprophyte
Describe the process of digestion in human beings.
The question has four options. Choose the correct answer:
Parotid salivary glands occur
The question has four options. Choose the correct answer:
Monophyodont teeth occur in
Circle the odd one.
______ is the common passage of air and food.
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 |
Why do we eat?
Give two reasons, why bile juice is considered to be an important secretion of liver in the process of digestion?
