agronomy MCQs – Page 2

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

agronomy Mcqs

21. In fanning system cultivation of two or more crops is known as_______________?
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A. Strip cropping

B. Multiple cropping

C. All the above

D. Sequential cropping

22. There has been emphasis on the conservation of wild relatives of cultivated plants because wild plants________________?
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A. Carrying many useful genes which are lost in cultivated plants

B. Needed to understand the origin of cu;cultivated plants

C. Grow better then cultivated plants

D. Serve, as valuable fodder plants

23. First ginning machine was invented in_______________?
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A. 1793 AD

B. 1650 AD

C. 1893 AD

D. 1880 AD

24. Agro ecological regions of sindh are_____________________?
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A. 3

B. 4

C. 5

D. 1

25. Root nodules in plant help in__________________?
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A. Aeration

B. Nitrogen fixation

C. Photosynthesis

D. Respiration

26. Better crop establishment especially for direct seeded rice can be obtained by using________________?
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A. High density grain

B. Low density grain

C. Both a & b

D. None of the above

27. Plants that can tolerate drought are_________________?
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A. Trunk plants

B. Xerophytes

C. Hydrophytes

D. None of the above

28. The climates of sindh province comes under__________________?
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A. Temperature

B. all

C. Sub tropical

D. tropical

29. Field capacity and permanent wilting point are different indifferent_______________?
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A. Regions

B. Seasons

C. Soils

D. Crops

30. Critical factors for crop production is________________?
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A. Water

B. Land

C. Pure seed

D. fertilizer

31. Bacillus thuringensis season cotton is a________________?
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A. Virus

B. Fungi

C. Bacteria

D. non of these

32. Gassypium hirsutum is________________?
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A. Triploid

B. Tetraploid

C. Hexaploid

D. Diploid

33. The living together of two or more species in a prolonged and intimate ecological relationship is called________________?
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A. Biosystem

B. Climate

C. Auto environment

D. Symbiosis

34. Green revolution came into being due to evolution of_________________?
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A. Sugarcane varieties

B. Wheat varieties

C. All the above

D. Cotton varieties

35. The critical stages in cotton is______________?
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A. Budding

B. Flowering

C. Boll .formation

D. All the above

36. Plants grown in dry region are_________________?
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A. Xerophytes

B. Thermophyts

C. Halophytes

D. Mesophytes

37. genetic purity of seed is determined by________________?
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A. All the above

B. Ageing test

C. Tz test

D. Grow out test

38. Two much Mg may create deficiency for_____________________?
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A. K

B. Ca

C. N

D. P

39. Major source of sugar in world is_________________?
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A. Dates

B. Beet root

C. Sugarcane

D. Water melon

40. Precise assessment of pest pressure to evaluate Economic risk from pest infestations is called_________________?
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A. Economic threshold

B. Economic mjury level

C. None of the above

D. Crop scouting

Showing 21 to 40 of 308 mcqs