Question

A. State True or False.
1. Seismograph measures the magnitude of tidal waves.
2. Waterlogging damages the roots of plants.
3. When a river overflows the banks, earthquake is caused.
4. Excessive cutting of trees affects rainfall.
5. Tsunami means Roman god of fire.
6. Volcanoes are in the form of conical mountains.
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Answer 1

1.false

2.true

3.true

4.false

5.false

6.true

Answer 2

1. Seismograph measures the magnitude of tidal waves.

• The statement is false.

• The seismograph is mainly used for the detection of earthquakes, explosion and volcanic eruption.

2. Waterlogging damages the roots of plants.

• This statement is completely true.

• Waterlogging is the presence of excessive water in the soil which interrupts the respiration of the plant roots.

3. When a river overflows the banks, earthquake is caused.

• This statement is false.

• The flooding is caused by the earthquake.

4. Excessive cutting of trees affects rainfall.

• The statement is true.

• The plants supply the necessary water vapour by the water vaporization process and if we cut the trees,there will be drought like situation.

5. Tsunami means Roman god of fire.

• This statement is false.

• The Tsunami is actually a Japanese word which means "Harbor Waves".

6. Volcanoes are in the form of conical mountains.

• This statement is true.

• The volcanoes are in the conical in shape for efficient volcanic eruption.