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141. Which one of the following statements, is NOT true of coniferous forests?
- A. Spruce is the important tree of this jungle which is used in preparing pulp and artificial silk
- B. They are evergreen forests of soft wood trees with short and pointed leaves
- C. Such jungles are also called 'boreal'
- D. Tree trunks of this regions are quite thick and are covered with thick barks so as to protect them from the dryness of the summe
- Check Answer | Discussion
142. Which one of the following pairs is not correctly matched?
- A. Seikan Rail Tunnel : China
- B. Petronas Towers : Malaysia
- C. Appalachian Trail : USA
- D. Rogum Dam : Tajikistan
- Check Answer | Discussion
143. Which water separates Australia from New Zealand?
144. Which one of the following lakes forms as international boundary between Tanzania and Uganda?
145. It is a well known fact that the maximum temperature of the ocean is always at their surface because
- A. they directly receive the heat from the Sun
- B. they directly receive the heat through ocean currents
- C. Both 'a' and 'b'
- D. None of the above
- Check Answer | Discussion
146. Which one among the following is not correct regarding tsunami?
- A. Tsunami have a very long wavelength
- B. Tsunamis have a slight swell of about12 inches above the normal sea surface
- C. Tsunamis grow in height when they reach shallower water
- D. Tides also play an important role in the generation of tsunamis
- Check Answer | Discussion
147. Carbon dioxide is called a greenhouse gas because
- A. its concentration remains always higher than other gases
- B. it is used in photosynthesis
- C. it absorbs infrared radiation
- D. it emits visible radiation
- Check Answer | Discussion
148. Which one of the following commercially important groups of trees belongs to cool temperate hardwood species?
149. If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest . This is because
- A. the soil of rain forest is deficient in nutrients
- B. propagules of the trees in a rain forest have a poor viability
- C. the rain forest species are slow-growing
- D. exotic species invade the fertile soil of rain forest
- Check Answer | Discussion
150. What is the name of the winds that blow from the subtropical high pressure belts towards the subpolar low pressure belts?
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