താഴെ കൊടുത്തിരിയ്ക്കുന്നവയിൽ ശരിയല്ലാത്ത പ്രസ്താവന ഏതാണ് ?
കുറോഷിയോ സമുദ്രജല പ്രവാഹത്തെക്കുറിച്ച് താഴെപ്പറയുന്ന പ്രസ്താവനകളിൽ ഏതാണ് ശരി ?
Which of the following factors can affect the development of cyclones in the Indian Ocean?
1.Weak La Nina conditions along the equatorial Pacific Ocean.
2.Lack of Ocean disturbances that enter the Bay of Bengal from the South China sea side.
3.Strong vertical wind shear within the troposphere
Select the correct answer code:
ചുവടെ കൊടുത്തിട്ടുള്ള ജലപ്രവാഹങ്ങളിൽ ഉഷ്ണജലപ്രവാഹങ്ങള് കണ്ടെത്തുക:
i) പെറുപ്രവാഹം
ii) ഓയാഷിയോ പ്രവാഹം
iii) ഗള്ഫ് സ്ട്രീം പ്രവാഹം
iv) കുറോഷിയോ പ്രവാഹം
v) ബന്ഗ്വാല പ്രവാഹം
vi)ബ്രസീല് പ്രവാഹം
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 belongs to the group of cold currents ?
i.Peru currents
ii.Oyashio currents
iii.Benguela currents
Which of the following belongs to the group of warm currents:
i.Gulf Stream currents
ii.Kuroshio currents
iii.The Brazilian currents
iv.Peru currents
Where does the lowest sea water salinity occur?. List out from the following.
i.An area surrounded by land
ii.An area with more rain
iii.An area with the highest evaporation rate
Salinity is not the same everywhere in the oceans. List out the circumstances under which salinity fluctuates from the following :
i.Salinity increases in areas of high evaporation.
ii.Salinity will be more in land-locked seas.
iii.Salinity decreases at river mouths.
Which of the following statements are correct:
i.Density of seawater is not the same everywhere in the oceans
ii.The difference of density is due to the difference in the salinity and temperature of the seawater
iii.As the temperature increases, the density decreases.
iv.Density increases with increasing salinity.
Consider the following statements regarding the geological phenomenon tsunami?
Choose the correct answer:
Identify the false statement/s
1.The Mid Oceanic ridges are formed in divergent margins.
2.Fault zones are formed in Transform margins.
3.Ocean trenches are formed in convergent margins.
4.Fold mountains are formed along the divergent margins.