Soil Physics & Water Relations Practice Questions (Q11-15) - Agriculture Chemistry

RPSC ARO 19 Jun 2011

MCQ (Single Correct) +1 −0.33

Relative proportions of sand, silt and clay in soil is called

मृदा में बालू, सिल्ट एवं क्ले के आपेक्षिक अनुपात को कहते हैं -

Pedon पेडॉन Soil texture मृदा गठन Soil structure मृदा संरचना Soil complex मृदा सम्मिश्रण

RPSC ARO 19 Jun 2011

MCQ (Single Correct) +1 −0.33

In international pipette method, H2O2 is used to remove which of the following ?

अंतर्राष्ट्रीय पिपेट विधि में H2O2 का उपयोग निम्न में से किसको हटाने के लिए होता है?

CaCO3 कैल्शियम कार्बोनेट Iron oxide आयरन ऑक्साइड Organic matter जीवांश पदार्थ Aluminium oxide एल्युमिनियम ऑक्साइड

RPSC ARO 19 Jun 2011

MCQ (Single Correct) +1 −0.33

Broken peds are called as

टूटे हुए पेड्स कहलाते हैं -

Clods क्लोड्स Peds पेड्स Fragments फ्रैगमेंट्स Aggregates समुच्चय

RPSC ARO 19 Jun 2011

MCQ (Single Correct) +1 −0.33

Total porosity is more in

कुल रंध्रता किसमें अधिक होती है?

Sandy soil बलुई मृदा Clayey soil मृत्तिका मृदा Loamy soil दोमट मृदा Silty soil सिलटी मृदा

RPSC ARO 19 Jun 2011

MCQ (Single Correct) +1 −0.33

The best agricultural soil structure is

कृषि की दृष्टि से सर्वोत्तम मृदा संरचना है -

Crumb कणीय Platy प्लेटीय Columnar स्तंभीय Blocky खण्डीय

Rajasthan History

4 Topics

Major Dynasties & Prominent Rulers Ancient & Early History Modern History & Freedom Movements Integration of Rajasthan

Rajasthan Art & Culture

5 Topics

Forts, Monuments & Architecture Fairs, Festivals & Traditions Folk Music, Dance & Drama Folk Deities & Saints Language, Dialects & Literature

Rajasthan Geography

6 Topics

Drainage System & Water Resources Soils, Forests & Wildlife Physiography & Relief Features Climate & Agro-Climatic Zones Environmental Issues & Desertification Mineral & Energy Resources

Rajasthan Economy

1 Topic

Demographics & Tribal Economy

Soil Physical Chemistry & Colloids

6 Topics

Diffuse Double Layer & Electrokinetic Properties of Colloids Soil Organic Matter Fractionation & Clay-Organic Interactions Soil Colloids & Origin of Charge Elemental Composition of Earth's Crust and Soils Adsorption and Desorption Properties of Soil Colloids Soil Physical Chemistry & Chemical Thermodynamics

Ion Exchange & Nutrient Fixation

6 Topics

Cation and Anion Exchange in Soils Nutrient Fixation in Soils (K, P, NH4+) Chemistry of Acid Soils Soil Reaction (pH) & Nutrient Availability Chemistry and Electrochemistry of Submerged Soils Soil-Pesticide Interaction

Soil Mineralogy & Clay Minerals

2 Topics

Crystalline & Non-Crystalline Clay Minerals Structural Chemistry & Classification of Soil Minerals

Pedology & Soil Classification

3 Topics

Soil Formation Factors, Processes & Soil Profile Soil Classification Systems & Soil Taxonomy Weathering of Rocks and Minerals

Soil Survey & Remote Sensing

4 Topics

Soil Survey & Soil Mapping Major Soil Groups of India and Rajasthan Land Capability, Irrigability & Land Evaluation Remote Sensing and GIS Techniques