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प्रश्न
State one difference in nutrition: Parasite and Saprophyte
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उत्तर
Parasites are the organisms that live in or on the body of another organism called host, and obtain nourishment from its body whereas saprophyte is an organism that absorbs soluble organic nutrients from dead and decaying organic matter.
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संबंधित प्रश्न
Define a nutrient.
What causes movement of food inside the alimentary canal?
Where are proteins first digested in the alimentary canal?
| 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. |
- What are (i) organisms A, and (ii) substance B?
- What are (i) part C, and (ii) part D, of tooth known as?
- By what name are the holes E in the tooth known?
- Name the part F of the tooth.
- What will happen if organisms A reach part F of the tooth known?
Fill in the blanks.
The ______ and ______ are used for crushing and grinding the food.
Write short answers
What is ingestion?
Write short answers
Write the names of three enzymes which are found in pancreatic juice.
Describe the following: Digestion of fat in the intestine
Correct the spellings: Caceum
Correct the spellings: HLC
The question has four options. Choose the correct answer:
Parotid salivary glands occur
The question has four options. Choose the correct answer:
Teeth present in the upper molar of human beings are
Why it is important to wear helmet while riding a bike?
Breakdown of food into smaller molecules in our body is known as
A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains:
In which part of the alimentary canal food is finally digested?
Mention the 3 important digestive glands in the process of digestion?
Why do we eat?
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?

Label the following parts in Figure and name them.
- The largest gland in our body.
- The organ where protein digestion starts.
- The organ that releases digestive juice into the small intestine.
- The organ where bile juice gets stored.
