The increased incidence of floods in recent times in North India is due to – (1) increase in the annual rainfall, (2) increase in the silting of dams, (3) increased deforestation in the catchment area, (4) None of these

The increased incidence of floods in recent times in North India is due to – (1) increase in the annual rainfall, (2) increase in the silting of dams, (3) increased deforestation in the catchment area, (4) None of these
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(3) increased deforestation in the catchment area, Explanation: The frequency and severity of flooding in the Gangetic plain has steadily increased in recent years. Deforestation of the Terai appears to be one of the major causes.
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The human factors which cause floods are: (a) Deforestation (b) Heavy rainfall (c) Cloud burst (d) Large catchment area

Description : The human factors which cause floods are: (a) Deforestation (b) Heavy rainfall (c) Cloud burst (d) Large catchment area

Last Answer : (a) Deforestation

The main cause of recurring flood is – (1) Soil erosion (2) Deforestation (3) Silting of river beds (4) All of the above

Description : The main cause of recurring flood is – (1) Soil erosion (2) Deforestation (3) Silting of river beds (4) All of the above

Last Answer : (4) All of the above Explanation: Floods are caused by a variety of factors, both natural and man-made. Apart from soil erosion and silting of river beds which force the water of rivers ... against water flow and in turn protect the underlying soil from getting eroded and then getting washed away.

The main reason for deforestation in Asia is - (1) excessive fuel wood collection (2) excessive soil erosion (3) floods (4) construction of roads

Description : The main reason for deforestation in Asia is - (1) excessive fuel wood collection (2) excessive soil erosion (3) floods (4) construction of roads

Last Answer : (1) excessive fuel wood collection Explanation: The main causes of total clearance are agriculture and in drier areas, fuelwood collection. The main cause of forest degradation is logging. Mining, ... and heating are overcutting forests'. This problem is worst in drier regions of the tropics.

Among the following regions of India, which one receives comparatively least amount of annual rainfall? [IAS 2009] (a) An 80 km wide coastal belt from Nellore to Point Calimere (b) The middle and lower Asom valley (c) North-eastern Rajasthan (d) The coastal plains of Gujarat south of Narmada

Description : Among the following regions of India, which one receives comparatively least amount of annual rainfall? [IAS 2009] (a) An 80 km wide coastal belt from Nellore to Point Calimere (b) The middle and lower Asom valley (c) North-eastern Rajasthan (d) The coastal plains of Gujarat south of Narmada

Last Answer : Ans: (c)

The main cause of recurring flood is (1) Soil erosion (2) Deforestation (3) Silting of river beds (4) All of the above

Description : The main cause of recurring flood is (1) Soil erosion (2) Deforestation (3) Silting of river beds (4) All of the above

Last Answer : All of the above

Most of the floods in the lowlands of N. India, the Bihar plateau and Orissa are associated with: (a) easterly depression (b) orographic rainfall (c) South-West Monsoon (d) Thunderstorm

Description : Most of the floods in the lowlands of N. India, the Bihar plateau and Orissa are associated with: (a) easterly depression (b) orographic rainfall (c) South-West Monsoon (d) Thunderstorm

Last Answer : Ans: (b)

For the estimate of high floods in fan-shaped catchment, the formula used is (A) Dicken's formula (B) Ryve's formula (C) Inglis formula (D) None of these

Description : For the estimate of high floods in fan-shaped catchment, the formula used is (A) Dicken's formula (B) Ryve's formula (C) Inglis formula (D) None of these

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Careful management of water catchment areas results in A. more desertification B. more deforestation C. less waste of water D. more waste of water

Description : Careful management of water catchment areas results in A. more desertification B. more deforestation C. less waste of water D. more waste of water

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Careful management of water catchment areas results in A. more desertification B. more deforestation C. less waste of water D. more waste of water

Description : Careful management of water catchment areas results in A. more desertification B. more deforestation C. less waste of water D. more waste of water

Last Answer : C. less waste of water

Careful management of water catchment areas results in A. more desertification B. more deforestation C. less waste of water D. more waste of water

Description : Careful management of water catchment areas results in A. more desertification B. more deforestation C. less waste of water D. more waste of water

Last Answer : C. less waste of water

Careful management of water catchment areas results in A. more desertification B. more deforestation C. less waste of water D. more waste of water

Description : Careful management of water catchment areas results in A. more desertification B. more deforestation C. less waste of water D. more waste of water

Last Answer : C. less waste of water

The rainfall on five successive days on a catchment was 3, 6, 9, 5 and 1 cm respectively. If the  -index for the storm can be assumed to be 3 cm/day, the total direct runoff from the catchment due to this storm is (a) 11 cm (b) 24 cm (c) 9 cm (d) 20 cm

Description : The rainfall on five successive days on a catchment was 3, 6, 9, 5 and 1 cm respectively. If the  -index for the storm can be assumed to be 3 cm/day, the total direct runoff from the catchment due to this storm is (a) 11 cm (b) 24 cm (c) 9 cm (d) 20 cm

Last Answer : (a) 11 cm

m and n are monsoon duration factor and catchment factor respectively. If P is yearly rainfall in cm, runoff can be calculated by (A) Velocity area method (B) Weir or spillway method (C) Use of venturi-meter (D) Using power plant consumption

Description : m and n are monsoon duration factor and catchment factor respectively. If P is yearly rainfall in  cm, runoff can be calculated by  (A) Velocity area method  (B) Weir or spillway method  (C) Use of venturi-meter  (D) Using power plant consumption 

Last Answer : (A) Velocity area method 

If intensity of rainfall in cm per hour is I, percentage coefficient of run-off is P, area of catchment in square kilometres is A, the total run-off Q, is given by (A) Q = 1.758 × 102 × API(B) Q = 2.758 × 102 × API(C) Q = 2.758 × 103 × API(D) Q = 2.758 × 103 × A/PI

Description : If intensity of rainfall in cm per hour is I, percentage coefficient of run-off is P, area of catchment in  square kilometres is A, the total run-off Q, is given by  (A) Q = 1.758 102   API (B) Q = 2.758 ... API (C) Q = 2.758 103   API (D) Q = 2.758 103   A/PI

Last Answer : (C) Q = 2.758 × 103  × API

Intermediate catch water drains are provided only, if (A) Catchment area of the watershed above road is large (B) Intensity of rainfall is heavy (C) Single catch water drain is inadequate (D) All the above

Description : Intermediate catch water drains are provided only, if (A) Catchment area of the watershed above road is large (B) Intensity of rainfall is heavy (C) Single catch water drain is inadequate (D) All the above

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Following are the characteristics of an area in India: [IAS 2010] 1. Hot and humid climate 2. Annual rainfall 200 cm 3. Hill slopes up to an altitude of 1100 metres 4. Annual range of temperature 15 degree C to 30 degree C Which one among the following crops are you most likely to find in the area described above? (a) Mustard (b) Cotton (c) Pepper (d) Virginia tobacco

Description : Following are the characteristics of an area in India: [IAS 2010] 1. Hot and humid climate 2. Annual rainfall 200 cm 3. Hill slopes up to an altitude of 1100 metres 4. Annual range of temperature 15 ... to find in the area described above? (a) Mustard (b) Cotton (c) Pepper (d) Virginia tobacco

Last Answer : Ans: (c)

With reference to India, which one of the following statements is not correct? [IAS 2002] (a) About one-third of the area of the country records more than 750 millimetres of annual rainfall. (b) The dominant source of irrigation in the country is wells (c) Alluvial soil is the predominant type of soil in the northern plains of the country (d) The mountain areas account for about thirty percent of the surface area of the country

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Last Answer : Ans: (d)

In an area with more than 200 cm annual rainfall and slopy hills, which of the following crops can be cultivated best? (a) Tea (b) Jute (c) Tobacco (d) Cotton shop.ssbcrack.com

Description : In an area with more than 200 cm annual rainfall and slopy hills, which of the following crops can be cultivated best? (a) Tea (b) Jute (c) Tobacco (d) Cotton shop.ssbcrack.com

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The area with annual rainfall less than 50 cm in a year is – (1) Meghalaya (2) Leh in Kashmir (3) Coromandel coast (4) Konkan coast

Description : The area with annual rainfall less than 50 cm in a year is – (1) Meghalaya (2) Leh in Kashmir (3) Coromandel coast (4) Konkan coast

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Give scientific reason of the following : a) Colour blindness is more common in men than in women b) Light coloured clothes are generally worn in summer c) A person is hurt more when he falls on hard ground than on soft d) Deforestation causes more floods e) The man-hole covers are generally round

Description : Give scientific reason of the following : a) Colour blindness is more common in men than in women b) Light coloured clothes are generally worn in summer c) A person is hurt more when he falls ... ground than on soft d) Deforestation causes more floods e) The man-hole covers are generally round

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The major man made causes of floods are a. Deforestation b. Siltation c. Bursting of dam d. All of the above

Description : The major man made causes of floods are a. Deforestation b. Siltation c. Bursting of dam d. All of the above

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The main reason for deforestation in Asia is (1) excessive fuel wood collection (2) excessive soil erosion (3) floods (4) construction of roads

Description : The main reason for deforestation in Asia is (1) excessive fuel wood collection (2) excessive soil erosion (3) floods (4) construction of roads

Last Answer : excessive fuel wood collection

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Description : The problems for criticism about large dams are that they A. Displace large number of peasants and trebles without proper rehabilitation B. Swallow up huge amounts of public money without the ... Contribute enormously to deforestation and the loss of biological diversity D. All of the above.

Last Answer : D. All of the above.

The problems for criticism about large dams are that they A. Displace large number of peasants and trebles without proper rehabilitation B. Swallow up huge amounts of public money without the generation of proportionate benefits C. Contribute enormously to deforestation and the loss of biological diversity D. All of the above.

Description : The problems for criticism about large dams are that they A. Displace large number of peasants and trebles without proper rehabilitation B. Swallow up huge amounts of public money without the ... . Contribute enormously to deforestation and the loss of biological diversity D. All of the above.

Last Answer : D. All of the above.

The problems for criticism about large dams are that they A. Displace large number of peasants and trebles without proper rehabilitation B. Swallow up huge amounts of public money without the generation of proportionate benefits C. Contribute enormously to deforestation and the loss of biological diversity D. All of the above.

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Last Answer : D. All of the above.

Which one among the following rivers has the largest catchment area? [IAS 2008] (a) Cauvery (b) Krishna (c) Mahanadi (d) Narmada

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Last Answer : Ans: (c)

Consider the following statements: 1. Tamil Nadu is the only area which receives about half of its rainfall from north-east monsoon winds. 2. Kerala is the only state receiving very heavy rainfall from the south-west monsoon winds. 3. In India, the south-west monsoon is stronger than the north-east monsoon. Which of these are correct statements? [NDA 2001] (a) 1, 2 and 3 (b) 1 and 2 (c) 1 and 3 (d) 2 and 3

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Last Answer : Ans: (a)

Delhi gets winter rainfall due to – (1) south west monsoons (2) north east monsoons (3) conventional rain (4) western disturbance

Description : Delhi gets winter rainfall due to – (1) south west monsoons (2) north east monsoons (3) conventional rain (4) western disturbance

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For determination of average annual precipitation in a catchment basin, the best method is (A) Arithmetical method (B) Thiessen's mean method (C) Isohyetal method (D) None of these

Description : For determination of average annual precipitation in a catchment basin, the best method is (A) Arithmetical method (B) Thiessen's mean method (C) Isohyetal method (D) None of these

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While calculating the average depth of annual precipitation in a catchment basin, importance to individual rain-gauge station is given in (A) Arithmetical method (B) Thiessen's mean method (C) Isohyetal method (D) Both (b) and (c)

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Which of the following was not a purpose for building Farakka Barrage? (1) Checking water flowing into Bangladesh (2) Checking silting of Kolkata Port (3) Preventing erosion of Kolkata Port (4) Facilitating navigation in Ganga river

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Match the following : Crops Annual Rainfall A. Rice 1. 100 to 150 cm B. Wheat 2. 50 to 75 cm C. Ragi 3. 40 to 50 cm D. Bajra 4. 50 to 100 cm A B C D (a) 1 2 4 3 (b) 4 3 2 1 (c) 3 2 1 4 (d) 2 1 3 4

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Last Answer : Ans: (a)

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The average annual temperature of a meteorological station is 26°C, its average annual rainfall is 63 cm and the annual range of temperature is 9°C. The station in question is : [IAS 2002] (a) Allahabad (b) Chennai (c) Cherapunji (d) Kolkata

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Evergreen rain forest is mainly found in regions having well distributed annual rainfall – (1) Below 50 cm (2) 50-100 cm (3) 100-200 cm (4) More than 200 cm

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In a slanting hilly Indian terrain experiencing more than 200 cms of annual rainfall, which one of the following crops can be cultivated best? (1) Cotton (2) Jute (3) Tobacco (4) Tea

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The Red soils develop a reddish colour due to: (a) deforestation and over-grazing (b) the presence of potash and magnesia (c) tropical monsoonal climate (d) a wide diffusion of iron in ancient crystalline and metamorphic Jacks

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Last Answer : Ans: (d)

Irrigation in India faces many problems. (a) Reduced water pollution and improved quality of water. (b) Deforestation leading to drought and reduction of rainfall. (c) A large quantity of water is not properly utilized. (d) All

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“In recent years, the multipurpose projects and large dams have come under great scrutiny.” Give reasons. -SST 10th

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“In recent years, the multipurpose projects and large dams have come under great scrutiny.” Give reasons. -SST 10th

Description : “In recent years, the multipurpose projects and large dams have come under great scrutiny.” Give reasons. -SST 10th

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Explain any three reasons in which the multi-purpose projects and large dams have come under great scrutiny and opposition in the recent years. -SST 10th

Description : Explain any three reasons in which the multi-purpose projects and large dams have come under great scrutiny and opposition in the recent years. -SST 10th

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In recent years, multipurpose projects and large dams have come under great scrutiny and opposition. Explain why. -SST 10th

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In recent years, multipurpose projects and large dams have come under great scrutiny and opposition. -SST 10th

Description : In recent years, multipurpose projects and large dams have come under great scrutiny and opposition. -SST 10th

Last Answer : In recent years, multipurpose projects and large dams have come under great scrutiny and opposition for a variety of reasons. (i) Regulating and damming of rivers affect their natural flow. (ii ... , caused water borne-diseases and pests, and led to pollution resulting from excessive use of water.

Which part of India receives rainfall from both the SouthWest and North-West monsoons? (a) Tamil Nadu (b) Odisha (c) Lakshadweep Islands (d) Andaman and Nicobar Islands

Description : Which part of India receives rainfall from both the SouthWest and North-West monsoons? (a) Tamil Nadu (b) Odisha (c) Lakshadweep Islands (d) Andaman and Nicobar Islands

Last Answer : Ans: (d)

The north-western India receives substantial rainfall during winter months because of: (a) south-west monsoons (b) retreating monsoons (c) north-east monsoons (d) westerly disturbances

Description : The north-western India receives substantial rainfall during winter months because of: (a) south-west monsoons (b) retreating monsoons (c) north-east monsoons (d) westerly disturbances

Last Answer : Ans: (d)

The nature of the winter rainfall in north western India is : (a) convectional (b) orographic (c) monsoonal (d) cyclonic

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