81
Removal of water from plant bodies in the form of vapours is called _______.
Answer: Transpiration
Questions
82
Hot air balloon rises up in the air because?
Answer: hot air is lighter than cold air
85
A gas is colourless, odourless, heavier than air and extinguishes fire. Name the gas?
Answer: Carbon Dioxide
87
Which one of the following statement is TRUE?
Answer: Air contains water vapour.
88
Identify the gas "Odourless, Colourless, Heavier than air, supports combustion"
Answer: Oxygen
90
The blanket of gases that surrounds the earth is called __________.
Answer: atmosphere
94
The circulation of water between ocean and land is known as the _______.
Answer: oxygen cycle
95
When ice water is poured into a glass, tiny water droplets of water appear on the outside of glass due to _________.
Answer: condensation
96
Which of the following will lead to a reduction in the availability of groundwater?
Answer: building concrete roads
97
The process of falling down of water in the form of rain, snow or hail is called _________.
Answer: precipitation
98
The process of changing water into ice is called __________.
Answer: freezing
100
Which of the following action will NOT make a magnet loose its magnetic properties?
Answer: Pass Electric current from a current
