Question 11 MarkGreen plants produce oxygen during photosynthesis. True/ FalseAnswerTrue.View full question & answer→
Question 21 MarkState whether the given statements are true or false. Air moves from high pressure to low pressure.AnswerTrue.View full question & answer→
Question 31 MarkState whether the given statements are true or false. Lonosphere contains the ozone layer.AnswerFalse.View full question & answer→
Question 41 MarkAll living beings on this earth depend on the atmosphere for their survival. True/ FalseAnswerTrue.View full question & answer→
Question 51 MarkClimate is hour to hour ,day to day condition of atmosphere. True/ FalseAnswerFalse.View full question & answer→
Question 61 MarkThe air pressure is highest at sea level and decreased with height. True/ FalseAnswerTrue.View full question & answer→
Question 71 MarkState whether the given statements are true or false. Helium and hydrogen float from exosphere into space.AnswerTrue.View full question & answer→
Question 81 MarkWhen air is heated it expands, become lighter and goes up. True/ FalseAnswerTrue.View full question & answer→
Question 91 MarkHigh pressure is associated with clear and sunny skies. True/ FalseAnswerFalse.View full question & answer→
Question 101 MarkIn thermosphere temperature rises very rapidly with increasing height. True/ FalseAnswerTrue.View full question & answer→
Question 111 MarkState whether the given statements are true or false. Hot air is dense and heavy and cold air is lighter and expands.AnswerFalse.View full question & answer→
Question 121 MarkCarbon dioxide is the most plentiful gas in the air. True/ FalseAnswerFalse.View full question & answer→
Question 131 MarkState whether the given statements are true or false. Wind- vane shows the direction of wind.AnswerTrue.View full question & answer→
Question 141 MarkOxygen is the most plentiful gas in the air. True/ FalseAnswerFalse.View full question & answer→
Question 151 MarkExosphere is the uppermost layer of the earth. True/ FalseAnswerTrue.View full question & answer→
Question 161 MarkWhich is the important gas used by human beings for breathing? Nitrogen. Carbon dioxide. Oxygen. Sodium chloride. Answer Oxygen. View full question & answer→
Question 171 MarkAll the living being on the earth depends on the atmosphere for the survival. True/ FalseAnswerTrue.View full question & answer→
Question 181 MarkState whether the given statements are true or false. Without Green house effect earth would have been too cold to live.AnswerTrue.View full question & answer→