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प्रश्न
State one difference in nutrition: Autotroph and Heterotroph
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उत्तर
Autotroph is an organism which prepares organic food in their body from simple inorganic materials like carbon dioxide, water, etc. whereas heterotroph is an organism which cannot prepare its own food and depends on ready-made food synthesized by green plants.
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संबंधित प्रश्न
Which of the following has the longest small intestine?
(a) carnivore
(b) omnivore
(c) herbivore
(d) autotroph
When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then from its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache.
(a) What are (i) organisms A, and (ii) substance B?
(b) What are (i) part C, and (ii) part D, of tooth known as?
(c) By what name are the holes E in the tooth known?
(d) Name the part F of the tooth.
(e) What will happen if organisms A reach part F of the tooth known?
List two different functions performed by the pancreas in our body.
How is the small intestine best suited for the digestion and absorption of food?
Find the odd one out. Give reasons for your choice.
Answer the following question.
Small Intestine is very long and coiled. Even if we jump and run, why it does not get twisted? What can happen if it gets twisted?
Name the salivary glands in our mouth?
Circle the odd one.
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?
Name the parts of the alimentary canal where water gets absorbed from undigested food.
