Which of the following belongs to the group of cold currents ?
i.Peru currents
ii.Oyashio currents
iii.Benguela currents
Sea Surges cause severe damage along the shores.What are the measures taken to prevent damages?.List out from the following:
i.Depositing boulders along the seashore
ii.Construction of interlocking concrete structures (Pulimuttu)
iii.Planting of mangroves.
What are the effects of tides?.List out the following:
i.The debris dumped along the sea shore and ports are washed off to the deep sea.
ii.The formation of deltas is disrupted due to strong tides.
iii.Brackish water can be collected in salt pans during high tides.
iv.Tidal energy can be used for power generation.
What are the effects of ocean currents?.List out from the following:
i.Influence the climate of coastal regions.
ii.Fog develops in the regions where warm and cold currents meet.
iii.The regions where the warm and cold currents meet provide favourable conditions for the growth of fish.
Which of the following statement/s regarding flood plains are true?
i.The deposition of alluvium along both the flooded banks may cause the formation of plains. Such plains are called flood plains.
ii.Flood plains are not so significant as they are not suitable for agriculture
Which of the following landforms are formed due to the process of deposition ?
i.Beach
ii.Delta
iii.Barchans
iv.Moraine
Which are the external agencies that create various landforms :
i.Running water
ii.Wind
iii.Glaciers
iv.Waves
Which of the following Landforms are formed by the process of erosion ?
i.Waterfalls
ii.Cirques
iii.Mushroom rocks
iv.Beaches
Which of the following statements are true?
i.The solution of limestone in underground water drips from the roof of the caves,a portion of this mixture remains on the roof of the caves itself. This deposit of lime grows upside down due to this long continued process. They are called stalactites.
ii.The deposit of lime on the floor of the cave also grows upward as a result of the deposition from above. These are called stalagmites.
കാറ്റിന്റെ ദിശയേയും ഗതിയേയും ബാധിക്കുന്ന ഘടകങ്ങൾ ഏതൊക്കെ ആണ് ?
1) മർദ്ധവ്യത്യാസങ്ങൾ.
2) കൊറിയോലിസ് ഇഫക്ട്.
3) ഘർഷണം
താഴെ കൊടുത്തിരിക്കുന്ന കോഡ് ഉപയോഗിച്ച് ശരിയായ ഉത്തരം തിരഞ്ഞെടുക്കുക.