Soil Science Mcqs - Set 1

1)   Father of agricultural chemistry is___________________?

a. Vonliebig
b. Neil Brady
c. Neuron
d. J. jones
Answer  Explanation 

ANSWER: Vonliebig

Explanation:
No explanation is available for this question!


2)   Organic soil are called____________________?

a. Peat
b. Arid soil
c. Muck
d. Both a & b
Answer  Explanation 

ANSWER: Both a & b

Explanation:
No explanation is available for this question!


3)   Main product of photosynthesis is_____________________?

a. C6H12O6
b. C12H24O12
c. C3H6O6
d. C5H12O6
Answer  Explanation 

ANSWER: C6H12O6

Explanation:
No explanation is available for this question!


4)   Mechanisms of material uptake by plants is by____________________?

a. Diffusion
b. Osmosis
c. Root interception
d. Mass flow
Answer  Explanation 

ANSWER: Mass flow

Explanation:
No explanation is available for this question!


5)   Planets in our system are____________________?

a. 8
b. 12
c. 10
d. 9
Answer  Explanation 

ANSWER: 9

Explanation:
No explanation is available for this question!


6)   hydrosphere refers to______________________?

a. Zone of water
b. Zone of air
c. Zone of atmosphere
d. Zone of earth crust
Answer  Explanation 

ANSWER: Zone of water

Explanation:
No explanation is available for this question!


7)   The inner shell of earth consists of_____________________?

a. Fe
b. Silicate
c. Mg
d. Silicate of Fe & Mg
Answer  Explanation 

ANSWER: Silicate of Fe & Mg

Explanation:
No explanation is available for this question!


8)   Fine-graned rocks formed on earth crust are called____________________?

a. Intensive igneous rock
b. Extrusive rock
c. Sedimentary rock
d. Plutonic
Answer  Explanation 

ANSWER: Extrusive rock

Explanation:
No explanation is available for this question!


9)   Which rock contain potash feldspar ?

a. Syeruite
b. Gabbro
c. Norile
d. All the above
Answer  Explanation 

ANSWER: Syeruite

Explanation:
No explanation is available for this question!


10)   The site of grains present in sands structuring range__________________?

a. 1.00 0.0625 mm dia
b. 0.0625 mm dia
c. 0-1.0 mm dia
d. None of the above
Answer  Explanation 

ANSWER: 0.0625 mm dia

Explanation:
No explanation is available for this question!


11)   Rocks formed from compacted clay or mud are called____________________?

a. Shale
b. Clay stone
c. Sand stone
d. None of the above
Answer  Explanation 

ANSWER: Shale

Explanation:
No explanation is available for this question!


12)   Which rock is harder_________________?

a. Metamorphic
b. Sedimentary
c. Igneous
d. Sand stone
Answer  Explanation 

ANSWER: Metamorphic

Explanation:
No explanation is available for this question!


13)   Most abundant mineral in the earth crust is______________________?

a. N-Feldspar
b. Feldspar
c. S-Feldspar
d. Amplubole
Answer  Explanation 

ANSWER: Feldspar

Explanation:
No explanation is available for this question!


14)   Which compound is mostly used in Pakistan for the reclamation of saline-sodic & sodic soils_________________?

a. Apatite
b. Calcite
c. Dolomite
d. Gypsum
Answer  Explanation 

ANSWER: Gypsum

Explanation:
No explanation is available for this question!


15)   Geochemical weathering processes occurs______________________?

a. On surface
b. Below soil solum
c. At the level
d. On the mountain
Answer  Explanation 

ANSWER: Below soil solum

Explanation:
No explanation is available for this question!


16)   Igneous rock whose crystal is 1 cm called____________________?

a. Plutonic
b. Felsic
c. Pegmatitic
d. Mafic
Answer  Explanation 

ANSWER: Pegmatitic

Explanation:
No explanation is available for this question!


17)   Thick concordant bodies which force the overlying sediments to form dome-shaped hills are called_____________________?

a. Laccoliths
b. Pegmatic
c. Dike
d. Batholiths
Answer  Explanation 

ANSWER: Laccoliths

Explanation:
No explanation is available for this question!


18)   Places where volcanoes occur are_________________?

a. Pacific ocean
b. Mid-Atlantic ridge
c. Mediterranean sea
d. All the above
Answer  Explanation 

ANSWER: All the above

Explanation:
No explanation is available for this question!


19)   Large pieces of erupted magma are called_____________________?

a. Volcanic ash
b. Volcanic block
c. Dike
d. Sill
Answer  Explanation 

ANSWER: Volcanic block

Explanation:
No explanation is available for this question!


20)   Color off basic matic rock is_____________________?

a. Light green
b. Dark colored
c. Yellow
d. Blue
Answer  Explanation 

ANSWER: Dark colored

Explanation:
No explanation is available for this question!