Q.21)-The Ice age ended about ____ years ago.
- 140
- 1,400
- 14,000
- 140,000
Q.22)-The languages used in China is
- Chinese, English
- Chinese, Arabic
- Chinese, French
- Chinese, Korean
Q.23)-The length of the day is determined in
- astronomical units
- solar terms
- length of the hours
- None of the above
Q.24)-The island of Sri Lanka formerly known as
- Madagascar
- Tasmania
- Ceylon
- None of the above
Q.25)-The islands of Seychelles are located in the
- Arctic Ocean
- Atlantic Ocean
- Indian Ocean
- Pacific Ocean
Q.26)-The highest sand dunes are found is
- the Sahara desert
- the Atacama desert
- the Kalahari desert
- the Gobi desert
Q.27)-The greatest variety of animal and plant species is found in
- temperate grasslands
- tropical moist forests
- tundra regions
- in hot deserts
Q.28)-The layer of the earth, immediately below the crust, is called
- outer core
- inner core
- inner mantle
- outer mantle
Q.29)-The highest mountains in Africa, which is not part of any mountains chain, is
- Mt. Aconcagua
- Mt. Kilimanjaro
- Mt. Kosciuszko
- Mont Blanc
Q.30)-The heavier silicates named as 'Sima' or silica + magnesium are most abundant in the
- crust
- core
- mantle
- ocean floors