Q.1 Dominant salt in non- saline alkali soil is?
NaCl Na2SO4 Na2CO3
Q.2 Physical condition of the saline soil is_________.
flocculated deflocculated Cohesive
Q.3 Which is a highly salt tolerant crop?
Barley Wheat Rice
Q.4 For the calculation of Gypsum requirement of soil final ESP of soil is mostly kept at________.
100 10 05
Q.5 What is Gypsum equivalent of sulphur?
0.63 0.19 0.57
Q.6 Which state have maximum water logged area?
Haryana West Bengal Gujarat
Q.7 CaCO3 content of calcareous soil is__________.
>5% 2-5% <5%
Q.8 Class-c of wet land consists of__________.
wet <1/12 of time wet >1/12 wet <1/4 to1/2 times
Q.9 Due to water logging pH of alkali soil__________.
Increases decreases unaffected
Q.10 Under water logged condition which nutrient occurs in toxic condition?
Fe Zn Cu
Q.11 Organic carbon content of sandy soil is generally___________.
Low high very high
Q.12 Which instrument is used for determination of EC.?
pH meter Flame photometer EC meter
Q.13 SAR is developed by_________.
USSR USSSL USSL
Q.14 Chloride limit (meq/lit.) for doubtful class is_______.
4-7 12-20 7-12
Q.15 The grading of irrigation waters based on chloride content was proposed by__________.
Eaton Schofield Ramamurthy
Q.16 The study of microbial and faunal activity and ecology in soil________.
Soil biology Soil bio-chemistry Soil ecology
Q.17 Size of fauna ranges from 2 mm to 20 mm__________.
Mega fauna Macro fauna Meso fauna
Q.18 The most expansive classification of soil organisms- Animalia, Plantae ,Fungi, Protista and Monera kingdoms have been proposed by_________.
N.N. Goswami Whittakar Dilipkumar
Q.19 Protozoa are the member of kingdom______________.
Monera kingdom Fungi Protista
Q.20 Genetic material is not enclosed in a distinct nucleus, having one circular chromosome______________.
Prokaryotic cells Eukaryotic cells Prokaryotic - Eukaryotic cells
Q.21 The fungi which gets their energy from dead organic materials known as_________.
Rust Mildews Molds
Q.22 Single celled microscopic fungi__________.
Yeast Molds Mushrooms
Q.23 The source of large number of beneficial antibiotics are_______.
Virus Fungus Actinomycetes
Q.24 Rhizobium species of cross inoculation groups for bean is_________.
R. trifoli R. meliloti R. phaseoli
Q.25 A virus is made of substances unique of life________.
Nucleic acid Sulphuric acid Hydrochloric acid
Number of score out of 25 = Score in percentage =
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