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प्रश्न
Name any four life processes in living things.
उत्तर
Life processes in living things are respiration, reproduction, excretion, Digestion.
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संबंधित प्रश्न
What substances are contained in gastric juice? What are their functions?
Describe one way in which the small intestine is adapted for the absorption of digested food.
The process of digestion in humans is completed in:
(a) oesophagus
(b) small intestine
(c) stomach
(d) large intestine
The partially digested food coming from the stomach of a person enters a long and narrow organ A in his body. The organ A receives the secretion of two glands : liver and pancreas. Liver secretes a greenish-yellow liquid B which is normally stored in the organ C. Pancreas secretes pancreatic juice which contains three digestive enzymes D, E and F. The intestinal juice completes the process of digestion of food. The inner wall of organ A has millions of tiny finger-like projections G which help in the rapid absorption of digested food into blood stream. The undigested part of food then passes into wider tube H which absorbs most of the water from undigested food. The last part of tube H called I stores this undigested food (or waste) for some time. The undigested food is then passed out though opening J as faeces in the process known as K.
(a) Name the organ A.
(b) Name (i) liquid B, and (ii) organ C.
(c) What are the digestive enzymes D, E and F?
(d) Name the projections G present on the inner wall of organ A.
(e) Name (i) tube H (ii) part I (iii) opening J, and (iv) process K.
Gastric juice contains
The stomach secretes gastric juice, which contains hydrochloric acid. What is its function?
Study the diagram given below and then answer the question that follows:
Identify the tooth and give a reason to support your answer.
Write the function of the following in the human alimentary canal:
Villi
Fill in the blanks.
The ______ and ______ are used for crushing and grinding the food.
Name the three enzymes found in pancreatic juice.
(i)____ (ii)____ (iii)_____
Define the following term:
Digestion
Fill in the blank.
Saliva contains salivary amylase which changes starch to _____.
Write true or false for the below statement. Rewrite the false statements correctly.
The pancreas secretes bile juice
Write true or false for the below statement. Rewrite the false statements correctly.
All the absorbed nutrients are immediately required by the body.
The question has four options. Choose the correct answer:
Uvula can close the opening of
How do we know that we are hungry and that we should now eat?
What is the length of the alimentary canal?
In which of the following groups of organisms, food material is broken down outside the body and absorbed?
What is chyme?
