Agriculture MCQs

Page No. 25

Which bacteria causes fermentation__________________?


aAzotobacter

✖


bBacillus

✖


cPseudomonas

✓


dCorey

✖


View Answer Pseudomonas

Examples of micro biota are____________________?


aProtozoa

✖


bVirus

✖


cBoth A and B

✓


dNone of the above

✖


View Answer Both A and B

Common soils found in Pakistan are___________________?


aArid soils

✖


bInceptisols

✖


cEntisols

✖


dAll of the above

✓


View Answer All of the above

The time for which water and ion remains in vicinity is called_____________________?


aPrimary hydration

✖


bppm

✖


cNormality

✖


dResidence time

✓


View Answer Residence time

Acid soils of the world’s arable comprise up to_____________________?


a40%

✓


b30%

✖


c58%

✖


d20%

✖


View Answer 40%

Urea in manufactured form gases________________________?


aNH3

✖


bNH48CO2

✓


cNH3 & CH4

✖


dAll of the above

✖


View Answer NH48CO2

Permanente wilting point of clayey soils is not less than____________________?


a20%

✖


b10%

✓


c5%

✖


d15%

✖


View Answer 10%

Secondary air pollution is _____________________?


aHNO3

✖


bCO3

✖


cCO2

✖


dAll of the above

✓


View Answer All of the above

Chitin and steroids are_____________________?


aLipids

✖


bCarbohydrates

✓


cProteins

✖


dWaxes

✖


View Answer Carbohydrates

The conductivity of a saturation extract is greater 4 dsm-1 an exchangeable sodium percentage (ESP) of less than 15 and the pH is usually less than 8.5 is called as__________________?


aSaline soils

✓


bSaline-Sodic soils

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cSodic soils

✖


dNeutral soils

✖


View Answer Saline soils

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