IUCN റെഡ് ഡാറ്റ ലിസ്റ്റ് കണക്ക് പ്രകാരം ശരിയായ പ്രസ്താവന ഏതാണ് ?
1) 37400 ൽ അധികം സ്പീഷിസുകൾ വംശനാശ ഭീഷണിയിലാണ്
2) സസ്തനികളിൽ 26 % വംശനാശ ഭീഷണി നേരിടുന്നു
3) ഉഭയജീവികളിൽ 41% വംശനാശ ഭീഷണി നേരിടുന്നു
ഭൂമധ്യരേഖയ്ക്ക് നേർമുകളിൽ സൂര്യൻ വരുന്ന ദിവസം/ദിവസങ്ങൾ ഏതെല്ലാം ?
ട്രോപ്പോസ്ഫിയറുമായി ബന്ധപ്പെട്ട് തെറ്റായ പ്രസ്താവന ഏത്?
താഴെ കൊടുത്തിരിക്കുന്നവയിൽ ശരിയായ പ്രസ്താവന ഏത് ?
(i) സുസ്ഥിരവികസനം പരിസ്ഥിതി സൗഹാർദ്ദമാണ്.
(ii) കൽക്കരിയും പെട്രോളും പുതുക്കാൻ സാധിക്കുന്ന വിഭവങ്ങളാണ്.
(iii) ആഗോളതാപനം ഭൗമാന്തരീക്ഷത്തിലുള്ള താപവർദ്ധനയെ സൂചിപ്പിക്കുന്നു.
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
മേഘാവൃതമായ ദിവസങ്ങളില് താരതമ്യേന ഉയര്ന്ന അന്തരീക്ഷതാപം അനുഭവപ്പെടുന്നതെന്തു കൊണ്ട് ? ഇതിനെ അടിസ്ഥാനപ്പെടുത്തി താഴെപ്പറയുന്നവയിൽ ഒന്ന് ശരിയായ പ്രസ്താവന തിരഞ്ഞെടുക്കുക.
താഴെ തന്നിരിക്കുന്നതിൽ ശരിയായ പ്രസ്താവനകൾ ഏത്?
Identify the rock with following properties:
1.Rocks precipitated chemically from solutions of one kind or another.
2.It is also formed organically and accumulation of materials derived from other rocks.
Select the correct answer from following codes
Consider the following statements:
1.Acid igneous rocks are less dense and lighter in colour.
2.Basic igneous rocks are denser and darker in colour.
Select the correct answer from the following codes
Consider the properties of Igneous rocks
1.They are crystalline in structure
2.They occur in strata
3.They do not contain fossils.
Select the correct answer using following codes
അന്താരാഷ്ട്ര ദിനാങ്കരേഖ രേഖയെക്കുറിച്ചുള്ള പ്രസ്താവനകളിൽ ശരിയായവ തിരഞ്ഞെടുക്കുക :
i. 180° രേഖാംശത്തിലൂടെ (meridian) നീളുന്നതും അന്താരാഷ്ട്രാംഗീകാരം ഉള്ളതുമായ ഒരു സാങ്കല്പികരേഖ
ii. 180° രേഖാംശത്തിൽനിന്നും അല്പം വ്യതിചലനം ഈ രേഖക്കുണ്ട്
iii. 24 മണിക്കൂർ സമയവ്യത്യാസമാണ് ഈ രേഖ കടക്കുമ്പോൾ അനുഭവപ്പെടുന്നത്
കാറ്റിന്റെ ദിശയേയും ഗതിയേയും ബാധിക്കുന്ന ഘടകങ്ങൾ ഏതൊക്കെ ആണ് ?
1) മർദ്ദ വ്യത്യാസങ്ങൾ.
2) കൊറിയോലിസ് ഇഫക്ട്.
3) ഘർഷണം
Which are the external agencies that create various landforms :
i.Running water
ii.Wind
iii.Glaciers
iv.Waves
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.
Which of the following landforms are formed due to the process of deposition ?
i.Beach
ii.Delta
iii.Barchans
iv.Moraine
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:
Consider the following statements regarding plate movements.
1. There is always unified movement of these plates away from the axis of earth.
2. The rotation of earth has impact on the plates movement.
Select the correct statement/s from the following codes
Which of the following plates as major plates ?
i.North American plate
ii.The Philippine plate
iii.The Arabian plate
iv.Pacific plate
List out the causes of earthquakes from the following:
i.Plate movements and faulting
ii.Collapse of the roofs of mines
iii.Pressure in reservoirs
iv.Volcanic eruptions.
List out the characteristics of the lithospheric plates from the following.
i.Contains both oceanic crust and continental crust.
ii.It is divided into major plates and minor plates .
iii.The lithospheric plates are situated above the asthenosphere which is in a semi-plastic state.
iv.The plates move.
Which of the following is an incorrect statement/s regarding lithospheric plates?
1. Situated above the asthenosphere which is in a semi plastic state.
2. The maximum thickness is 100 km.
3. Contains both oceanic crust and continental crust.
4. Philippine plate is an example of a major plate.
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.
Find the correct statement/s.
Cirrus clouds are:
i.Dark clouds seen in lower atmosphere
ii.Feather like clouds in the upper atmosphere in clear weather.
Consider the following statements
1. Wind moves from low pressure areas to high pressure areas.
2. Due to gravity the air at the surface is denser and hence has higher pressure.
Select the correct answer from the following codes
Find out the correct explanation
Nimbus clouds are :
i.Dark clouds seen in lower atmosphere
ii.Feather like clouds in the upper atmosphere in clear weather.
The annual range of temperature in the interior of the continents is high as compared to coastal areas. What is / are the reason / reasons?
1.Thermal difference between land and water
2.Variation in altitude between continents and oceans
3.Presence of strong winds in the interior
4.Heavy rains in the interior as compared to coasts
Select the correct answer using the codes given below.
Consider the following statements. Identify the right ones.
I. The movement of Inter Tropical Convergence Zone (ITCZ) plays an important role in the Indian Monsoon.
II. The ITCZ is a zone of low pressure which attracts inflow of winds from different directions.
Consider the following statements:
1. Coriolis force is responsible for deflecting wind towards right in the northern hemisphere and towards the left in the southern hemisphere.
2. The Coriolis force is minimum at the poles and maximum at the equator.
Based on the above statements chose the correct option?