What is the molar mass of NaCl?
Correct answer B. 58.58
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Agriculture MCQs
Page 17 of Agriculture multiple-choice questions with answers. Tap an option to check yourself.
Page 17 of 135
In what form is calcium available to plants?
Correct answer C. Ca2+ (free cation)
What is the international atomic weight of potassium?
Correct answer D. 39.0
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Which is the chemical formula of urea fertiliser?
Correct answer C. Both A & B
Where are Histosols found?
Correct answer D. Both B & C
How many elements are essential for the growth of all plant species?
Correct answer C. 16
What causes the erosion problem in the Thal and Cholistan regions?
Correct answer A. Wind
How old is the earth?
Correct answer C. 4.5 billion years
What does the lithosphere refer to?
Correct answer C. Zone of earth crust
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What pH do the soils of Sindh (Pakistan) have?
Correct answer B. 7.5 to 8.5
What is the nature of rhyolite?
Correct answer A. Acidic
What are rocks formed from fragments of pre-existing rocks broken down by weathering called?
Correct answer A. Clastics
What range of grain sizes makes up siltstone?
Correct answer D. Both B & C
From which rocks do metamorphic rocks form?
Correct answer C. Both A & B
Schist is an example of what?
Correct answer C. Metamorphic rock
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Which mineral contains phosphorus?
Correct answer A. Apatite
How many different mineral deposits have been found in Pakistan?
Correct answer C. 60
What is another name for plutonic rocks?
Correct answer B. Intrusive igneous
What do felsic rocks consist of?
Correct answer D. Quartz & Feldspars
What texture do aphanitic rocks have?
Correct answer D. Fine grained