Advertisements
Advertisements
Question
State one difference in nutrition: Holozoic and Saprozoic nutrition
Advertisements
Solution
Holozoic nutrition is a nutrition in which animals survive by consuming other organisms whereas saprozoic nutrition is the nutrition in which the animals absorbs soluble organic nutrients from dead and decaying organic matter.
APPEARS IN
RELATED QUESTIONS
Name the main organs of the human digestive system.
If the saliva is lacking in salivary amylase, then which of the following processes taking place in the buccal cavity will be affected?
| When a person puts food in his mouth, then teeth cut it into small pieces, chew and grind it. The glands A in the mouth secrete a substance B which is mixed with the food by tongue. The substance B contains an enzyme C which starts the digestion of food in the mouth. The slightly digested food from the mouth goes down a tube D. The special type of movements E in the walls of tube D push the food into stomach for further digestion. The stomach wall secretes gastric juice containing three substance F, G and H. One of the functions of F is to kill bacteria which may enter the stomach with food. The substance G protects the inside layer of stomach from the damaging effect of substance F whereas substance H is and enzyme for digestion. The partially digested food then enters into small intestine for further digestion. |
- What are (i) gland A, (ii) substance B, and (iii) enzyme C?
- Name the tube D.
- What is the movement E known as?
- What are (i) F, (ii) G, and (iii) H?
Write one function each of the following enzymes:
Pepsin
Name the types of teeth seen in humans.
How is the small intestine best suited for the digestion and absorption of food?
Mention the different types of nutrition?
Name different steps involved in animal nutrition. Explain.
Describe the digestion of food in small intestine.
Describe the following: Coagulation of milk in the digestive system.
Name the enzymes secreted by the following: Stomach
Pushing forward the food that has been chewed is the function of the ______.
Appendix is a vestigial organ in humans and functional in herbivorous animals for the digestion of ____________.
Which option represents the CORRECT sequence of digestive organs between the mouth and the anus?
The coiled middle portion of the small intestine which is 2.5 meters long is the ______.
List the parts of the digestive system.
In which of the following groups of organisms, food material is broken down outside the body and absorbed?
In which part of the alimentary canal food is finally digested?
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 | ||
______ is the vestigeal organ in human.
