| Consider the following statements: |
| Sanjana: Soil is a thin layer of earth's crust. |
| Sunita: Soil is a source of minerals for plants. |
| Who is telling the wrong fact? |
2.
3.
| Consider the following statements: |
| Lizzie: Stomach is a part of our nervous system. |
| Ritika: Brain is a part of our nervous system.W |
| Maddie: Both brain and stomach are the parts of our respiratory system. |
| Who is correct? |
| Consider the following statements: |
| Monika: Air contains oxygen and nitrogen in equal amounts. |
| Sonika: Germs are also present in air. |
| Sunita: Germs present in air can cause harmful diseases. |
| Who is telling the right fact? |
| Which of the following causes water pollution? |
| 1. Pipes discharging harmful chemicals in rivers |
| 2. Plastic bottles thrown on the street |
| 3. Garbage thrown in the river |
| 4. Chimney emitting smoke |
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