Soil Conservation
| 1. | Terracing is an affective method of soil conservation: |
| A. Desert areas B. Hilly areas C. Plains D. Riverine areas Ans: Option B |
| 2. | Which is the main causative factor for desertification? |
| A. Irrigated agriculture B. Overgrazing C. Tourism D. Developmental activities Ans: Option B |
| 3. | Deforestation may reduce the chances of: |
| A. Rain fall B. Frequent cyclones C. Erosion of surface soil D. Frequent landslides Ans: Option A |
| 5. | One of the following crops is the most effective in controlling soil erosion: |
| A. Cotton B. Pigeon pea C. Green gram D. Maize Answer: Option B |
| 6. | Sheet erosion is caused by: |
| A. Fast running rivers B. Wind C. Heavy rains D. Glaciers Answer: Option C |
| 7. | Soil conservation means: |
| A. Prevention of spread of desert B. To check soil erosion by wind and rains C. To check soil erosion by afforestation D. All of these Answer: Option D |
| 8. | Soil conservation can best achieved by having: |
| A. Wind screens B. Good plant covers C. Restricted human activity D. Low rainfall Answer: Option B |
| 9. | Main indicator of soil erosion is: |
| A. Deforestation B. Afforestation C. Ozone layer D. Goats and grazing animals Answer: Option A |
| 10. | Dark coloured soils are considered most fertile as they contain: |
| A. Gravel and sand B. Sand and calcium C. Clay and humus D. Silt and earthworms Answer: Option C |
| 11. | Which of the following prevents afforestation in deserts: |
| A. Goat and grazing animals B. Local resident C. Unfertility of soil D. Low rainfall Answer: Option D |
| 12. | Eroded soils are: |
| A. Rich in plant nutrients B. Unaltered in plant nutrients C. Devoid of plant nutrients D. All of these Answer: Option C |
| 13. | Fifth of June is celebrated as: |
| A. World environment day B. Darwin’s birthday C. World health and hygiene day D. World population day Answer: Option A |
| 14. | Mulching helps in: |
| A. Moisture conservation B. Weed control C. Improvement of soil structure D. Increasing soil fertility Answer: Option A |
| 15. | The ecological equilibrium in mined areas can be achieved by: |
| A. Preventing soil erosion B. Developing a vegetational cover C. Preventing overgrazing D. Introducing agriculture Answer: Option B |
| 16. | Agrostology is related with the study of: |
| A. Agricultural growth B. Epiphytes C. Grasses D. Nematode disease Answer: Option C |
| 17. | What is the major cause of diminishing wild life? |
| A. Cannabalism B. Habitat destruction C. Felling of trees D. Paucity of drinking water Answer: Option B |
| 18. | Rotation of crop is essential for: |
| A. Increasing fertility of soil B. Increasing quality of protein C. Getting different kinds of crops D. Increasing quality of minerals Answer: Option A |
| 19. | Soil erosion can be reduced by: |
| A. Reducing over grazing B. Planting proper plants C. Making dams D. All of those Answer: Option D |
| 20. | Soil erosion can be prevented by: |
| A. Deforestation B. Heavy rains C. Afforestation D. Over grazing Answer: Option C |
| 21. | Which of the following plants is used as windbreak? |
| A. Delonix B. Mangifera C. Eucalyptus D. Prosopis Answer: Option D |
| 22. | “Chipko Movement” is related to: |
| A. Plant conservation B. Project tiger C. Animal breding D. Operation flood Answer: Option A |
| 23. | In order to maintain proper ecological balance: |
| A. The existing forests should be cleared and new ones should be planted B. Some quick growing anuals should be planted if a tree must be cut for other uses C. Tree must be cut whenever necessary because the underground part performs the useful purpose D. A tree should be planted in place of one to be cut Answer: Option D |
| 24. | Side effect of heavy and constant grazing is that the: |
| A. Upper layers of soil are loosened and are eroded B. Lower layers are made more compact and root respiration is interfered with C. Lower compact layers make root penetration difficult D. All of the above Answer: Option D |
| 25. | Soil erosion is prevented by: |
| A. Afforestion B. Deforestation C. Denudation D. Overgrazing Answer: Option A |
| 26. | Constant grazing and browsing in an area may ultimately result in the formation of: |
| A. Dense forest B. Grassland C. Bushy vegetation D. Desert Answer: Option D |
| 27. | The possible beneficial effect of the grazing animals is: |
| A. Addition of their excreta to the soil B. Eradication of weeds C. Removal of wild plants D. Removal of wild animals Answer: Option A |
| 28. | When young plants are grazed too heavily they get killed because: |
| A. The roots are starved B. Of the mechanical injury to roots C. Most of the aerial parts are eaten away D. All of the above Answer: Option A |
| 29. | Soil erosion can be prevented by: |
| A. Allowing herbivorous animals to graze excessively B. Growing plants to form a soil cover C. Making the land slopy D. Increasing fertility Answer: Option B |
| 30. | The grazing animals can change the type of vegetation by: |
| A. Bringing in plant pathogens B. Selective grazing C. Cross pollination D. Bringing the seeds of other plants Answer: Option B |
| 21. | Which of the following plants is used as windbreak? |
| A. Delonix B. Mangifera C. Eucalyptus D. Prosopis Answer: Option D |
| 22. | “Chipko Movement” is related to: |
| A. Plant conservation B. Project tiger C. Animal breding D. Operation flood Answer: Option A |
| 23. | In order to maintain proper ecological balance: |
| A. The existing forests should be cleared and new ones should be planted B. Some quick growing anuals should be planted if a tree must be cut for other uses C. Tree must be cut whenever necessary because the underground part performs the useful purpose D. A tree should be planted in place of one to be cut Answer: Option D |
| 24. | Side effect of heavy and constant grazing is that the: |
| A. Upper layers of soil are loosened and are eroded B. Lower layers are made more compact and root respiration is interfered with C. Lower compact layers make root penetration difficult D. All of the above Answer: Option D |
| 25. | Soil erosion is prevented by: |
| A. Afforestion B. Deforestation C. Denudation D. Overgrazing Answer: Option A |
| 26. | Constant grazing and browsing in an area may ultimately result in the formation of: |
| A. Dense forest B. Grassland C. Bushy vegetation D. Desert Answer: Option D |
| 27. | The possible beneficial effect of the grazing animals is: |
| A. Addition of their excreta to the soil B. Eradication of weeds C. Removal of wild plants D. Removal of wild animals Answer: Option As |
| 28. | When young plants are grazed too heavily they get killed because: |
| A. The roots are starved B. Of the mechanical injury to roots C. Most of the aerial parts are eaten away D. All of the above Answer: Option A |
| 29. | Soil erosion can be prevented by: |
| A. Allowing herbivorous animals to graze excessively B. Growing plants to form a soil cover C. Making the land slopy D. Increasing fertility Answer: Option B |
| 30. | The grazing animals can change the type of vegetation by: |
| A. Bringing in plant pathogens B. Selective grazing C. Cross pollination D. Bringing the seeds of other plants Answer: Option B |
| 41. | Over-all mineral level of soil recedes due to: |
| A. Leaching only B. Utilization by plants C. Both (a) & (b) D. Chemical reactions Answer: Option C |
| 42. | Odum has described soil erosion as: |
| A. Soil pollution B. Creeping death of soil C. Loss of living stratum D. Loss of feeding zone Answer: Option A |
| 43. | A slopy land on account of continued rainfall initially under goes: |
| A. Rill erosion B. Gully erosion C. Sheet erosion D. All of these Answer: Option A |
| 44. | The amount of soil lost to sea each year due to rainfall is around: |
| A. 3,000 million tons B. 3,000,000 million tons C. 3,00,00,000 million tons D. 3,00,000 billion tons Answer: Option B |
| 45. | The chief cause of accelerated erosion is: |
| A. Excessive rains B. Wind storms C. Overfelling and overgrazing D. All of these Answer: Option C |
| 46. | The soil erosion on slopes proceeds in the following manner: |
| A. Gully ? Rill ? ravine B. Rill ? Ravine ? Gully C. Rill ? Gully ? Ravine D. Ravine ? Rill ? Gully Answer: Option C |
| 47. | Wave erosion is more prevalent and well marked: |
| A. Along rivers B. At the sea shore C. In water falls D. In all these places Answer: Option B |
| 48. | Soil conservation is the process where: |
| A. Sterile soil is converted into fertile soil B. Soil is aerated C. Soil erosion is allowed D. Soil is protected against loss Answer: Option D |
| 49. | The plants commonly sown for crop rotation are : |
| A. Cajanus and Dalbergia B. Cajanus and Aeschynomene C. Dalbergia and trigonella D. Trigonella and Trifolium Answer: Option D |
| 50. | In dry farming initially the fertility of the land can be increased by: |
| A. Agrostology B. Basin listing C. Growing grazing fields D. Animal husbandry Answer: Option D |
| 51. | If there is a little slope in the field, the soil erosion can be prevented by: |
| A. Contour terracing B. Contour strip cropping C. Confour farming D. All of these Answer: Option B |
| 52. | The fertility level of any soil is generally determined by: |
| A. Aeration and hydration B. Humus and mineral contents C. Humus, mineral and hydration level D. All of these Answer: Option D |
| 53. | The most common method used for cultivation on hills: |
| A. Levelling B. Ridge terracing C. Bench terracing D. Channel terracing Answer: Option C |
| 54. | The disadvantage of ploughing in arid and semi-arid zones is: |
| A. Loss of soil water B. Soil particles became smaller C. Soil organisms are exposed D. All of these Answer: Option A |
| 55. | Gullies are removed by: |
| A. Pan breaking B. Levelling C. Ridge terracing D. All of these Answer: Option B |
| 56. | An important agrostological technique to check soil erosion in the initial stages is: |
| A. Ley farming B. Land retirement C. Basin listing D. Contour farming Answer: Option A |
| 57. | Which of the following plants are used as wind breaks? |
| A. Zizpyhus and Calotropis B. Dalbergia and Delonix C. Delonix and Albizia D. Morinda and Anona Answer: Option A |
| 58. | The most significant and initial requirement for dry farming is: |
| A. Shallow ploughing B. Development of textures C. Animal husbandry D. Crop selection Answer: Option D |
| 59. | The soil permeability can be decreased due to blockers called: |
| A. Pans B. Peds C. Clods D. None of these Answer: Option A |
| 60. | The removal of weeds by ploughing is called: |
| A. Mulching B. Fallowing C. Tilling D. Contour farming Answer: Option C |
| 61. | Contour binding is done to check: |
| A. Rill erosion B. Gully erosion C. Ravine formation D. Sheeterision Ans: Option D |
| 62. | The soil binding is done in the best way by: |
| A. Algae B. Mycorrhizae C. Grasses D. All of these Ans: Option C |
| 63. | When trees and shrubs are planted in long orws along streams, they are described as: |
| A. Wind breaks B. Soil binders C. Shelter belts D. Basin blisters Ans: Option C |
| 64. | Digging pits on the slopes just for the accumulation of run off is called as: |
| A. Contour terracing B. Contour trenching C. Beach terrasing Ans: Option B |
. Terracing is an affective method of soil conservation:
Answer: B
2 . Deforestation causes:
Answer: C
3 . Which is the main causative factor for desertification?
Answer: B
4 . One of the following crops is the most effective in controlling soil erosion:
Answer: D
5 . Sheet erosion is caused by:
Answer: C
. Soil conservation means:
| A. | Prevention of spread of desert |
| B. | To check soil erosion by afforestation |
| C. | To check soil erosion by wind and rains |
| D. | All of these |
Answer: D
Explanation:
7 . Soil conservation can best achieved by having:
Answer: C
8 . Main indicator of soil erosion is:
Answer: B
9 . Contour binding is done to check:
Answer: A
10 . The soil binding is done in the best way by:
Answer: B
11 . When trees and shrubs are planted in long rows along streams, they are described as:
Answer: B
12 . Digging pits on the slopes just for the accumulation of run off is called as:
Answer: A
13 . Which of the following prevents afforestation in deserts:
Answer: A
14 . Eroded soils are:
Answer: B
15 . Fifth of June is celebrated as:
Answer: C
16 . Mulching helps in:
Answer: B
17 . The ecological equilibrium in mined areas can be achieved by:
| A. | Introducing agriculture |
| B. | Preventing overgrazin |
| C. | Preventing soil erosion |
| D. | Developing a vegetational cover |
Answer: D
18 . Agrostology is related with the study of:
Answer: A
19 . What is the major cause of diminishing wild life?
Answer: C
20 . Rotation of crop is essential for:
| A. | Increasing fertility of soil |
| B. | Increasing quality of protein |
| C. | Increasing quality of minerals |
| D. | Getting different kinds of crops |
Answer: A
21 . Soil erosion can be reduced by:
Answer: D
Explanation:
22 . Soil erosion can be prevented by:
Answer: C
23 . If there is a little slope in the field, the soil erosion can be prevented by:
Answer: C
24 . The fertility level of any soil is generally determined by:
| A. | Aeration and hydration |
| B. | Humus and mineral contents |
| C. | Humus, mineral and hydration level |
| D. | All of these |
Answer: D
25 . The most common method used for cultivation on hills:
Answer: A
6 . The disadvantage of ploughing in arid and semi-arid zones is:
Answer: A
27 . Gullies are removed by:
Answer: A
28 . An important agrostological technique to check soil erosion in the initial stages is:
Answer: D
29 . The most significant and initial requirement for dry farming is:
Answer: A
30 . The soil permeability can be decreased due to blockers called:
Answer: B
31 . The removal of weeds by ploughing is called:
Answer: A
Explanation:
32 . Which of the following plants is used as windbreak?
Answer: B
33 . “Chipko Movement” is related to:
Answer: D
34 . In order to maintain proper ecological balance:
| A. | A tree should be planted in place of one to be cut |
| B. | The existing forests should be cleared and new ones should be planted |
| C. | Some quick growing anuals should be planted if a tree must be cut for other uses |
| D. | Tree must be cut whenever necessary because the underground part performs the useful purpose |
Answer: A
35 . Side effect of heavy and constant grazing is that the:
| A. | Upper layers of soil are loosened and are eroded |
| B. | Lower compact layers make root penetration difficult |
| C. | Lower layers are made more compact and root respiration is interfered with |
| D. | All of the above |
Answer: D
36 . Constant grazing and browsing in an area may ultimately result in the formation of:
Answer: A
37 . The possible beneficial effect of the grazing animals is:
| A. | Removal of wild plants |
| B. | Eradication of weeds |
| C. | Removal of wild animals |
| D. | Addition of their excreta to the soil |
Answer: D
38 . When young plants are grazed too heavily they get killed because:
| A. | The roots are starved |
| B. | Of the mechanical injury to roots |
| C. | Most of the aerial parts are eaten away |
| D. | All of the above |
Answer: A
39 . Soil erosion can be prevented by:
| A. | Increasing fertility |
| B. | Making the land slopy |
| C. | Growing plants to form a soil cover |
| D. | Allowing herbivorous animals to graze excessively |
Answer: C
40 . The grazing animals can change the type of vegetation by:
| A. | Cross pollination |
| B. | Selective grazing |
| C. | Bringing in plant pathogens |
| D. | Bringing the seeds of other plants |
Answer: B
41 . Over-all mineral level of soil recedes due to:
Answer: C
42 . Odum has described soil erosion as:
Answer:
43 . A sllopy land on account of continued rainfall initially under goes:
Answer: C
44 . The chief cause of accelerated erosion is:
Answer: A
45 . Wave erosion is more prevalent and well marked:
Answer: C
46 . Soil conservation is the process where:
| A. | Soil is aerated |
| B. | Soil erosion is allowed |
| C. | Soil is protected against loss |
| D. | Sterile soil is converted into fertile soil |
Answer: C
47 . The plants commonly sown for crop rotation are :
| A. | Trigonella and Trifolium |
| B. | Cajanus and Dalbergia |
| C. | Dalbergia and trigonella |
| D. | Cajanus and Aeschynomene |
Answer: A
48 . In dry farming initially the fertility of the land can be increased by:
Answer: C
49 . The cutting of trees from the forests of hill near a catchment area:
| A. | Will have no effect on causing floods in plain |
| B. | May cause flood in plains in rainy season |
| C. | Will benefit the mankind for more area for cultivation |
| D. | Will have no effect on climatic condition of that area |
Answer: B
50 . Grasses possess great regenerative power because they are:
Answer: D
51 . To prevent wind and water erosion, the crop is sometimes harvested in such a way that a basal stub of the plant is left behind. This phenomenon is called:
Answer: A
52 . Soil erosion in plains consequent to rain fall is initiated by:
Answer: C
53 . The term riparian erosion is applied to:
Answer: D
54 . It occurs under normal conditions:
Answer: B
55 . Erosion of very fine particles is seen on account of:
Answer: A
56 . If the top soil has been eroded, we retire a land and grow over it:
Answer: A
57 . If the same crop is repeatedly grown in a field:
| A. | Water level in soil will recede |
| B. | Nitrogen starvation many result |
| C. | Soil will become prone to diseases |
| D. | Specific mineral deficiency may arise |
Answer: D
58 . Bunds, dams and drains are constructed to prevent:
Answer: A
59 . Soil erosion is a Three phase phenomena
Answer: D
60 . Gully erosion is the
Answer: A
61 . The sequence of water erosion is
| A. | Splash, sheet, rill, gully |
| B. | Sheet, gully, rill |
| C. | Rill, Splash, sheet |
| D. | Gully erosion, Splash, sheet, rill |
Answer: A
62 . Gully development is accomplished under
Answer: A
63 . Gabion structure are
Answer: C
64 . Wind erosion will be higher from
Answer: A
65 . Wind velocity is less at
Answer: A
66 . Wind velocity higher at
| A. | 50 m height from the ground |
| B. | 80 m height from the ground |
| C. | 100 m height from the ground |
| D. | 150 m height from the ground |
Answer: A
67 . Wind turbulence is increases with increase in
Answer: A
68 . Wind turbulence is greater on
Answer: A
69 . The magnitude of wind turbulence is greater at
Answer: A
70 . Soil erosion is the function of
Answer: C
71 . Erosivity is the function of
Answer: A
72 . Land capability unit refers to the
Answer: A
73 . Class-III lands of LUCC are
| A. | Moderately good for cultivation |
| B. | Good for cultivation |
| C. | Not good for cultivation |
| D. | None of the above |
Answer: A
74 . Mulch tillage increases
Answer: A
75 . Bunds are constructed for the purpose of
Answer: C
76 . Rill erosion is also called as
