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agronomy MCQs

Practise focused agronomy questions with marked answers for exam preparation and subject revision.

agronomy Mcqs
1. Botanical name of American cotton is_________________?
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A. G. hirsutum

B. G. barb dense

C. Non of these

D. G. arborium

2. In China, cotton was cultivated as a crop in._______________?
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A. 7<sup>th</sup> century AD

B. 5<sup>th</sup> century AD

C. 10<sup>th</sup> century AD

D. 4th century AD
3. The branch of Science which deals cultivation of land is called________________?
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A. Agriculture

B. Geology

C. Petrology

D. Horticulture

4. Cotton ginning machine was invented by_______________?
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A. Withey

B. William Black

C. Thomas Hough ten

D. Thomas Wilson

5. Gassypium arborium is__________________?
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A. Diploid

B. Haploid

C. Triploid

D. Tetraploid

6. Gassypium herbaceum was originated in______________?
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A. South Mexico and Central America

B. Kenya and South Africa

C. Ethipia and South Africa

D. Indonesia and Central America

7. Gassypium hirsutum was developed from a cross between________________?
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A. G.arbarieum and G. rainmundii

B. G.arbarieum and G.herbaceum

C. G.arbarieum and G.thurberii

D. G.arbarieum and G.barbadense

8. A foreign variety that is directly recommended for commercial cultivation is called_________________?
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A. Hybrid variety

B. Blended variety

C. Exotic variety

D. Pure line variety

9. Azolla which fixes nitrogen in rice field is__________________?
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A. Bacteria

B. Ferm

C. None of the above

D. Fungi

10. Geographical area of Pakistan in million hectare is_______________?
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A. 60

B. 95

C. 80

D. none of the above

11. A crop grown on residual moisture after harvesting rice is called__________________?
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A. Barani crop

B. Ratoon crop

C. Sure crop

D. Dubari crop

12. In 1991-92 the record production of cotton in Pakistan was_______________?
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A. 1100,000 bales

B. 12800,000 bales

C. 1200,000 bales

D. 1000,000 bales

13. The vegetation found on high altitude mountain is__________________?
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A. None of the above

B. Alpine vegetation

C. Tundra vegetation

D. Conferous vegetation

14. Who described. the use of letrazolium for assessing, seed quality and the basis of topographical patterns___________________?
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A. Kotowski (1926)

B. Moore (1973)

C. Burries etc (1969)

D. Maguare (1962)

15. The significance of difference among several means is tested with the level of_________________?
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A. Z-test

B. t-test

C. X-test

D. F-test
16. The organisms which do not prepare their own food and depend on the dead organisms are called_____________________?
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A. Obligatory parasites

B. Bacteria

C. Parasites

D. Saprophytes
17. There is________________?
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A. 47560 Sq ft in an acre

B. 40560 Sq ft in an acre

C. 46560 Sq ft in an acre

D. 43560 Sq ft in an acre
18. Electrolytes leakage is defendant on_________________?
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A. Condition of cell membrane

B. Cracking of seed test

C. Both a & b

D. None of the above

19. The negative logarithm of the hydrogen ion concentration, a measure of the acidity of a solution is called_______________?
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A. pH

B. Saliruiy

C. Cl

D. EC

20. Low soil pH is the indication of_______________?
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A. Moderate Mg and Ca

B. Low N and Ca

C. High N and S

D. High Mg and Ca