Articles Tagged: People and environment

Q) Oxygen toxicity (in humans) is caused by: Options: A)Inhalation of molecular oxygen B) Generation of free radicals C) Interactions of singlet oxygen with membrane D) None of the above

Q) Which one of the following statement is true of braided streams? Options: A)Width and depth of the channel are equal B) Width of the channel is greater than its depth C) Width of the channel is unrelated to its depth D) Width of the channel is less than its depth

Q) What is the harm from the depletion of Earth’s ozone layer Options: A)The average temperature of earth’s surface will increase gradually B) The oxygen content of the atmosphere will decrease C) Increased amount of Ultra violet radiation will reach earth’s surface D) Sea levels will rise as the polar ice caps will gradually melt

Q) What is meant by the term “cirrus”? Options: A)A low cloud B) A rain-bearing cloud C) A high-cloud D) A hail-bearing cloud

Q) Who developed the first paper for the human beings ? Options: A)The Babylonians B) The Chinese C) The Sumerians D) The Aryans

Q) The smallest continent of the world is Options: A)Europe B) Antarctica C) South America D) Australia

Q) Pollutants in soil can be broken down by micro organisms. The process is called: Options: A)Probiotics B) Bioremediation C) Bioaugmentation D) None of the above

Q) The area covered by forest in India is about Options: A)0.46 B) 0.33 C) 0.23 D) 0.21

Q) A wind which is not affected by the effect of ground friction is called a Options: A)prevailing wind B) jet stream C) katabatic wind D) geostrophic wind

Q) Port Blair is situated in Options: A)North Andaman B) South Andaman C) Middle Andaman D) Little Andaman