| Choose the correct option: |
| (i) Which one is a physical change? |
| Choose the correct option: |
| (ii) Which option best describe a tropical system? |
| Choose the correct option: |
| (iii) The atmospheric pressure is measured by: |
| Choose the correct option: |
| (iv) Which physical property of soil is important to us? |
| Choose the correct option: |
| (v) In cockroaches, air enters the body through: |
| Choose the correct option: |
| (vi) Aquatic animals like fish excrete their wastes in gaseous form as |
| Choose the correct option: |
| (vii) Coconut is disposed by: |
| Choose the correct option: |
| (viii) A bus travels 54 km in 90 minutes. The speed of the bus is: |
| Choose the correct option: |
| (ix) Which one depends only on the heating effect of current? |
| Choose the correct option: |
| (x) The image formed in a convex mirror is always: |
| Write how the following seeds are dispersed: |
| (a) Seeds with wings. |
| (b) Small and light seeds. |
| (c) Seeds with spines/hooks. |
| Form of water | Process by which formed | Location where found |
| (i) Liquid | ||
| (ii) Solid | ||
| (iii) Gaseous |
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