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प्रश्न
State one difference in nutrition: Parasite and Saprophyte
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
Name the biological catalysts which bring about chemical digestion of food.
Which of the following component of our food is digested by an enzyme which is present in saliva as well as in pancreatic juice?
(a) proteins
(b) fat
(c) minerals
(d) carbohydrate
If the teeth are not cleaned regularly, they become covered with a sticky yellowish layer W of food particles and bacteria. Since layer W covers the teeth, the alkaline liquid X secreted by glands Y inside the mouth cannot reach the teeth surface to neutralise the acid formed by the action of organisms Z on sugary food, and hence tooth decay sets in.
(a) What is W known as?
(b) What is (i) X, and (ii) Y?
(c) What are organisms Z?
(d) State one way of removing layer W from the teeth.
Fill in the blank.
The _______ are used for tearing the food.
Write true or false for the below statement. Rewrite the false statements correctly
Pancreatic juice does not contain any enzyme.
Find the odd one out. Give reasons for your choice.
Give reasons for the following.
Meat eating animals have strong canines.
Secretions of ____________ lubricate the lumen of the alimentary canal.
Digestion of starch begins in the ______.
Choose the odd one:
