Soil Science MCQ 38 Best For All Agricultural Exams

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Soil Science MCQ 38

Soil Science MCQ 38

Soil Science MCQ 38 Best For Agriculture Students

Q1. Study of origin of Rocks known as?

  • Petrology
  • Petrography
  • Petrogenesis
  • Pedology

Answer:-study of rocks known as petrology

Discerption of rocks known as petrography

Study of origin of rocks known as petrogenesis.

 Q2. Who is the father of Filed plot technique?

  • Justus Von Leibig
  • Warrington
  • J.B Boussingault
  • winogradski

Answer:-J.B Boussingault

Father of soil microbiology: S.warrington

 Q3. Law of minimum proposed by Justus Von Liebig(also known as father of agricultural chemistry)Most abundant element in earth crust?

  • Silicon
  • Oxygen
  • Aluminium
  • Iron

Answer:-Oxygen it’s contain s 46%

Most abundant metal element in earth crust is Aluminium.

 Q4. Which of the following sedimentary rock formed through the evaporation?

  • Lime stone
  • Dolomite
  • Gypsum
  • Sandstone

Answer:-Gypsum

Lime stone and Dolomite formed through precipitation and flocculation.

 Q5. Most abundant Rock mineral on earth crust?

  • Quartz
  • Feldspars
  • Micas
  • Pyroxenes

Answer:-Feldspars

Quartz is the second most abundant and highly resistance mineral to weathering.

Q.6 Which of the following nutrient in soil only available on higher Ph?

  • Fe
  • MO
  • P
  • Zn

Answer:-Mo (available only Ph >10 )

All micro nutrients except Mo is available on acid Ph.

 Q7. Which of the following one is a light mineral?

  • Limonite
  • Olivine
  • Feldspar
  • Hornblende

Answer:-Feldspar (The minerals having specific gravity <2.85 known as light minerals).

>2,85 specific gravity containing minerals known as heavy minerals. EX: limonite, olivine, Hornblende.

 Q8. The parent material transfer through the Ice known as?

  • Alluvium
  • Dune
  • Colluviums
  • Till

Answer:-Till

Due to river known as Alluvium

Due to wind (sand & silt) known as Dune

Due to specific gravity known as Colluviums.

 Q.9 Hydroponic soils formed through the which of following soil forming process?

  • calcification
  • laterization
  • Gleization
  • Podzolisation

Answer:-Gleization

acid soils forming through the laterization

alkaline soils forming through the podzolisation

Q.10 Size of gravel?

  • 2-75 cm
  • 2-75 cm
  • 75-250 mm
  • 75-250 cm

Answer:-2-75 mm is gravel

75-250 mm is cobbles

Soil Science MCQ 38

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