Please select a subject first
Advertisements
Advertisements
Which part of the digestive canal is involved in:
Chewing of food ______.
Concept: undefined >> undefined
Which part of the digestive canal is involved in:
Killing of bacteria ______.
Concept: undefined >> undefined
Advertisements
Which part of the digestive canal is involved in:
Complete digestion of food ______.
Concept: undefined >> undefined
Which part of the digestive canal is involved in:
Formation of faeces ______.
Concept: undefined >> undefined
Match the items of Column I with suitable items in Column II.
| Column I | Column II | ||
| (a) | Salivary gland | (i) | Bile juice secretion |
| (b) | Stomach | (ii) | Storage of undigested food |
| (c) | Liver | (iii) | Saliva secretion |
| (d) | Rectum | (iv) | Acid release |
| (e) | Small intestine | (v) | Digestion is completed |
| (f) | Large intestine | (vi) | Absorption of water |
| (vii) | Release of faeces |
Concept: undefined >> undefined
Label the following figure of the digestive system.
A part of the human digestive system
Concept: undefined >> undefined
State differences between the laboratory thermometer and the clinical thermometer.
Concept: undefined >> undefined
Temperature of boiling water cannot be measured by a ______ thermometer.
Concept: undefined >> undefined
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Formation of manure from leaves is a physical change.
Concept: undefined >> undefined
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Iron pipes coated with zinc do not get rusted easily.
Concept: undefined >> undefined
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Iron and rust are the same substances.
Concept: undefined >> undefined
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Condensation of steam is not a chemical change.
Concept: undefined >> undefined
When carbon dioxide is passed through lime water, it turns milky due to the formation of ______.
Concept: undefined >> undefined
The chemical name of baking soda is ______.
Concept: undefined >> undefined
Changes in which new substances are formed are called ______ changes.
Concept: undefined >> undefined
When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. What type of change is it? Explain.
Concept: undefined >> undefined
How would you show that setting of curd is a chemical change?
Concept: undefined >> undefined
The gas we use in the kitchen is called liquefied petroleum gas (LPG). In the cylinder, it exists as a liquid. When it comes out from the cylinder it becomes a gas (Change − A), then it burns (Change − B). The following statements pertain to these changes. Choose the correct one.
Concept: undefined >> undefined
Fill in the blanks:
The average weather taken over a long time is called __________.
Concept: undefined >> undefined
Fill in the blanks:
The two regions of the earth with extreme climatic conditions are_________ and ________.
Concept: undefined >> undefined
