राज्यसेवा मुख्य परीक्षा २०१४ GS-1

राज्यसेवा मुख्य परीक्षा २०१४ GS-1 Questions And Answers:

मराठी English

121.

Drip irrigation system is most suitable for
crops.

A. water loving

B. salt tolerant

C. low value

D. fruit

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122.

For collection of excess rainfall in hilly and undulating topography which type of pond is used ?

A. Ermbankment pond

B. Excavated pond

C. Surface pond

D. All the above

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123.

Most common microorganisms grow best in the pH range ________.

A. 4.5 - 8.5

B. 4-5

C. 4.5 - 6

D. 6-8

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124.

For greater penetration of solar radiation in crop canopy crop should be sown in __________.

A. East - West direction

B. North - South direction

C. North - East direction

D. South - West direction

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125.

The plant nutrients present in the basic slags are ______.

A. Calcium and phosphorus only

B. Iron and Calcium only

C. Calcium and silica only

D. All the above

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126.

In low to medium rainfall areas in black soils with counter bunds which terracing is practised ?

A. Zingg terracing

B. Bench terracing

C. Graded terracing

D. All the above

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127.

If porosity is 50 percent voids ratio is :

A. 0.5

B. 1.0

C. 2.0

D. 5.0

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128.

Graded bunds are laid out in areas where :

(a) land is less succeptible to water erosion

(b) soil is less permeable

(d) lands have move slopes

Answer options :

A. (a)

B. (a) and (b)

C. (b) and (c)

D. (c) आणि (d)

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129.

Sand filter is required in drip irrigation system to remove

(a) algae

(b) dissolved salts

(d) fine soil particles

Answer options :

A. (a) and (b)

B. (a) and (c)

C. (b) and (c)

D. (c) and (d)

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130.

On global level, 100 years back the CO, content in the atmosphere was ___________.

A. 275 ppm

B. 450 ppm

C. 350 ppm

D. 150 ppm

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131.

Acidic soils are formed due to leaching of ______.

A. K, Na, Cu, Ca

B. Mo, Ca, Mg, Na

C. Ca, Mg, K, II

D. Ca, Na, Mg, K

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132.

BHC pesticide is prohibited because :

(a) it leaves residues in crops

(b) it leaves residues in soil

(d) of its carcinogenicity

Which option is/are correct?

A. (a) and (b)

B. (b) only

C. (b) and (c)

D. (c) and (d)

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133.

Animal farming contributes ______ percent methane emission to atmosphere.

A. 12

B. 21

C. 32

D. 45

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134.

Central Water Commission is concerned with _________.

A. Ground water

B. Water quality

C. Surface water

D. Water Supplies and sanitation

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135.

Which element imparts increased vigour and disease resistance to plants ?

A. N

B. S

C. K

D. P

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136.

The first step in controlling soil erosion is to control ________.

A. Water flow

B. Wind speed

C. Soil detachment

D. Plant growth

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137.

Sprinkler irrigation is suitable for ________ Soils.

A. Khar (Salty)

B. Shallow and sloping

C. Acidic

D. Alkaline

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138.

Geographic information system is a technique developed by incorporating concepts and contents in various fields of study. In this technique

(a) Statistical information can be used from different sources directly.

(b) Registration of statistical information in digital form is the basic need.

(d) Statistical information in various forms has to be fed to a computer before it can be used.

Which of the above statements is/are correct?

A. (a) and (c)

B. (b) and (d)

C. (c) and (d)

D. (b) only

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139.

Ecological agriculture is _______ agricultural production system.

(a) multi-layered

(b) multi-structured

(d) comprehensive

Which of the options are correct?

A. (a) Only

B. (d) Only

C. (a), (b) and (c)

D. (a), (b), (c) and (d)

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140.

The quality of irrigation water is generally expressed on the basic of ________.

A. Total salt concentration

B. Sodium absorption ratio (SAR)

C. Bicarbonate and boron content

D. All the above

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