1.It reduces pollution
2.It protects the soil from being exposed
3.The roots of the trees bind the soil particles
4.Trees produce fruits
How is this type of soil formed?
1. Formed by the deposition of silt brought down by rivers
2.Formed by weathering of alluvium.
2. Tropical Evergreen
3.Thorn and scrub forest
Name the process of removal of soluble mineral salts, especially the bases & silica from horizon A or the top soil by percolating rain water.
1.Tropical cyclonic type
2.Tropical Monsoon type
3.Temperate Monsoon type
Sprinkler irrigation is efficient but is still not a very commonly used method of irrigation by the India farmers. Why?
1.There is no loss of water by seepage
2. It is an expensive method of irrigation
3.There is no loss of water by evaporation
4.Farmers are scared of getting wet
1.These regions receive a moderate rainfall
2. The trees shed their leaves in the dry season
3.The trees are found in pure stand
4.All the above
What is Social Forestry?
1.The management and protection of forests and afforestation on barren lands with the purposed helping in the social development
2.The practice of growing trees on farm lands.
3.Growing trees by social workers.
4. Forest used for social gathering.
1.Abundance ot magnesium
3.Presence of ferric oxides
4.Abundance of phosphates
What is the meaning of irrigation?
1.The water received by rainfall
2.The man-made arrangements of supplying water to the fields
3.The storage of rain water
4.Growing of crops
1.Afforestation and stopping indiscriminate felling of trees.
2.Large scale of deforestation and overgrazing.
3. Allowing animals to graze in farm land.
4.Maintaining records of forest area.
1.As it is friable in nature.
2.As it can retain moisture.
3.As the bases leached down from the top soil.
4.All the above are correct.
Which of the following factor is responsible for the rises in the temperature of mainland of India in t month of March?
1.Southward migration of the sun from the equator
2.Northward migration of the sun from the equator
3.The pressure belts shift.
4.The land breeze blows towards the sea.
1.Xerophyte or Drought resistant
2.Evergreen and Multilayered
3.Long roots going deep in the ground
4. Leaves turned into spines
3. Artificial Canal
4. Alluvial soil
Which state in India is the first to experience the onset of the Monsoons and the last to see it retreat.
1.Andaman & Niocobar
Why are Sundarbans so called?
1.The abundance of breathing roots.
2.A beautiful forest
3. The abundance of Sundari trees
4.Ban on cutting of trees
1.They get water only when the rivers are in flood
2. They are taken out from a perennial river
3. They are constructed to store rain water
4. It occupies lot of space.
Why has Thar developed into a desert?
1.It has no cloud cover
2. It is near the sea.
3. It is on the windward side of Western Ghats
4.Aravalli is parallel to S.W. Monsoon wind