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Which of the following are the components of loamy soils?<br>I. Red soil<br>II. Clay soil<br>III. Alluvial soil<br>IV. Silt soil<br>V. Sandy soil

A

I and II

B

I, III and IV

C

II and V

D

II, III and V

Correct Answer: II and V

Clay soil and Sandy soil are component of Loamy soil. Loamy soil is a mixture of sand, clay and another type of soil particle known as silt.

Loamy, mild or sandy clay has __________ percentage of alkali?

A

5%

B

1%

C

4%

D

0%

Below is the list of colors nominated as the favorite colors by students of class I. Determine the color which has frequency 9. red, blue, red, yellow, green, yellow, green, yellow, yellow, red, green, red, blue, red, yellow, red, blue, yellow, red, blue, blue, yellow, yellow, green, green

A

red

B

blue

C

green

D

yellow

A small and medium enterprise imports two components A and B from Taiwan and China respectively and assembles them with other components to form a toy. Components A contributes to 10% of production cost while components B contributes to 20% of production cost. Usually the company sells this toy at 20% above the production cost. Due to increase in the raw material and labour cost in both the countries ,component A became 20% costlier and components B became 40% costlier. Owing to these reasons the company increased its selling price by 15%. Considering that cost of other components does not change. What will be the profit percentage if the toy is sold at the new price?

A

15.5%

B

25.5%

C

35.5%

D

40%

Consider the following statements and choose the correct answer:
1. Soil gets heat energy from different sources such as solar radiation, decomposing organic matter and heat formed in the interior of earth
2. The temperature of soil is not affected by its colour and altitude of the land
3. Black soils absorb more heat than white soils
4. Sandy soils absorb more heat and radiate it out quickly at night than clay or loam soils

A

Only 1, 2 and 3 are true

B

Only 2, 3 and 4 are true

C

Only 1, 3 and 4 are true

D

Only 1, 2 and 4 are true

A clay soil must contain at least . . . . . . . . Clay separate, to be designated a clay

A

80%

B

70%

C

50%

D

35%

Consider the following statements and choose the correct answer:
1. Average density of soil is 2.65 gms. per ml.
2. The spaces present between soil particles in a given volume of soil are called pore spaces
3. Porosity of the soil decreases with the increase in the percentage of organic matter in the soil
4. Macro-pore spaces have little water holding capacity and allow free movement of moisture and air in the soil under normal condition

A

Only 1, 2 and 3 are true

B

Only 2, 3 and 4 are true

C

Only 1, 2 and 4 are true

D

Only 1, 3 and 4 are true

The cone resistance qc, for sandy silt type of soil is __________

A

3.5

B

6

C

2

D

5

The soil is a light red-brownish colour of sandy loam soil, and low in organic matter's.
The statement talks about which of the following soils?

A

Maad soil

B

Regur soil

C

Parwa soil

D

Rakar soil

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A) : Cotton is grown in alluvial soils. Reason (R) : Alluvial soils are very fertile.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is NOT the correct explanation of A.

C

A is true but R is false.

D

A is false but R is true.

Which of the following is the correct order of increasing size of the grains of soil particles?
1. Clay
2. Silt
3. Sand
4. Gravel

A

2, 3, 4, 1

B

1, 2, 3, 4

C

4, 3, 2, 1

D

1, 4, 3, 2