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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
Which part of the digestive canal is involved in:
Chewing of food ______.
Name the enzyme present in human saliva. What type of food material is digested by this enzyme?
The length of small intestine in a human adult is about ______.
The water from the digested food is mainly absorbed by
Define the following term :
Omnivore
What is the role of the liver and the pancreas respectively in the digestion of food?
Give reasons for the following.
Meat eating animals have strong canines.
Define digestion.
Describe the following: Emulsification
The question has four options. Choose the correct answer:
Common passage for swallowing food and breathing is
Who is telling a lie?
Tongue: My taste-buds can tell only a sweet taste.
Who is telling a lie?
Lung: I play an important role in excretion.
A fluid containing the digestive enzyme ____________ is secreted by the serous cells of salivary gland.
Choose the odd one:
Why do we eat?
The digestive glands associated with the alimentary canal are ______.
In which part of the alimentary canal food is finally digested?
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?
Solve the crossword given as Figure.
| Across | Down | ||
| 1. | Cream-coloured digestive gland | 2. | Feeds with the help of pseudopodia |
| 3. | Undigested excretory solid residues | 6. | Total number of molars in one jaw of an adult |
| 4. | Organ that mixes saliva with the food | 8. | Largest gland |
| 5. | Point of defecation | 9. | Watery secretion in the mouth |
| 7. | Stored in gall bladder | 11. | A ruminant |
| 10. | Finger-like outgrowth in the small intestine | 12. | Form of food chewed by ruminants |
| 13. | Kind of taste buds | ||
| 14. | Kills bacteria in the stomach | ||
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:
