GS One‑Liners
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5107
facts
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Latest facts first
| # | Question & Answer |
|---|---|
| 2626 |
Which erosion is most harmful?
-
Sheet erosion
|
| 2627 |
What are four types of water erosion (in order)?
-
Splash, Sheet, Rill, Gully
|
| 2628 |
How is basic soil treated?
-
By adding organic matter
|
| 2629 |
How is acidic soil treated?
-
By adding bases like quick lime or slaked lime
|
| 2630 |
What is leaching?
-
Removal of soluble materials by water
|
| 2631 |
What is a vertical section of soil layers called?
-
Soil profile
|
| 2632 |
What are components of soil?
-
Minerals, humus, water, air
|
| 2633 |
What factors affect soil formation?
-
Relief, parent material, climate, vegetation, time
|
| 2634 |
What is soil?
-
Mixture of rock debris and organic materials
|
| 2635 |
Which trees depleted soil nutrients when planted extensively?
-
Eucalyptus and Poplar
|
| 2636 |
What was a major failure of Social Forestry?
-
Success limited to farm forestry; weak ecological focus
|
| 2637 |
What is Farm forestry?
-
Growing trees for commercial or personal use on farm land
|
| 2638 |
What does Community forestry involve?
-
Raising trees on community land
|
| 2639 |
What is Agro-forestry?
-
Growing trees and crops together
|
| 2640 |
What does Rural forestry promote?
-
Agro-forestry and community-forestry
|
| 2641 |
What is Urban forestry?
-
Raising trees in and around urban centres
|
| 2642 |
What are its main components?
-
Urban, Rural, Agro, Community, Farm forestry
|
| 2643 |
What was the main thrust of Social Forestry?
-
Reducing pressure on traditional forests
|
| 2644 |
What is Social Forestry?
-
Management and protection of forests with afforestation
|
| 2645 |
What was India’s first Ramsar site?
-
Chilka Lake
|
| 2646 |
Which convention protects global wetlands?
-
The Ramsar Convention
|
| 2647 |
What freshwater marsh region in the Gangetic plain is well known?
-
The Terai
|
| 2648 |
What forms in bogs due to slow decomposition?
-
Peat
|
| 2649 |
What causes bogs and fenns?
-
Water-logged areas saturated by groundwater or rain
|
| 2650 |
Why do marshes and swamps have high photosynthesis?
-
Shallow water allows full sunlight penetration
|