Advertisements
Advertisements
Question
Define with examples: Heterotrophs
Advertisements
Solution
The organisms which cannot prepare their own food and depends on ready-made food synthesized by green plants are called heterotrophs.
Examples - animals and human beings.
APPEARS IN
RELATED QUESTIONS
Name the enzyme present in human saliva. What type of food material is digested by this enzyme?
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.
(a) What is (i) gland A (ii) substance B, and (iii) enzyme C?
(b) Name the tube D.
(c) What is the movement E known as?
(d) What are (i) F (ii) G, and (iii) H?
What is the dental formula of a normal human adult?
List the enzymes and their action on food in the stomach and intestine.
Why is there a difference in the rate of breathing between aquatic organisms and terrestrial organisms? Explain.
Mark odd one in the series:
Correct the spellings: Caceum
Describe the alimentary canal of man
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 layer of the wall of alimentary canal, secretary glands are present?
