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प्रश्न
Name any four life processes in living things.
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उत्तर
Life processes in living things are respiration, reproduction, excretion, Digestion.
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संबंधित प्रश्न
What is the role of saliva in the digestion of food?
Digestion of starch starts in the stomach.
In human digestive system, the enzymes pepsin and trypsin are secreted respectively by ______.
| 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. |
- What are (i) organisms A, and (ii) substance B?
- What are (i) part C, and (ii) part D, of tooth known as?
- By what name are the holes E in the tooth known?
- Name the part F of the tooth.
- What will happen if organisms A reach part F of the tooth known?
What are the end products of the digestion of: starch, proteins and fats respectively?
Write four sequential steps of the procedure of the experiment "Preparing a temporary mount of a leaf peel to show stomata".
Put a tick (✓) against the most appropriate alternative in the following statement.
The hardest substance in your body?
Fill in the blank.
The teeth called ______ are a total of four in number on the sides of incisors
Fill in the blank.
The human teeth appear in two sets, the first set is called primary which consists of only _______ teeth
Fill in the blank.
Steapsin is also called _________
Define with examples: Autotrophs
Mark odd one in the series:
Write down the explanation.
Explain why human dentition is considered as thecodont, diphydont and heterodont.
Name the salivary glands in our mouth?
Circle the odd one.
Write any two functions of digestive system.
Identify the INCORRECT statement.
A gland not associated with the alimentary canal is ____________.
Liver produces for ______ the digestion of fat.
The complete digestion and absorption of nutrients is done by the small intestine. Which of the following greatly enhances the process of absorbtion?
