agronomy MCQs – Page 6

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

agronomy Mcqs

101. The transport of a substance across a biological membrane against a concentration gradient is called___________________?
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A. Active transport

B. Passive transport

C. Dissolution

D. Absorption

102. The soil are contains__________________?
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A. Less oxygen as compared 10 atmosphere

B. More carbon dioxide as compared to atmosphere

C. Both a & b

D. None of the above

103. Root nodules in plants help in___________________?
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A. Photosynthesis

B. Nitrogen fixation

C. Respiration

D. aeration

104. Removal of cellular water followed by shrinkage of protoplasm is due to
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A. Oxidation

B. Osmosis

C. Deplasmolysis

D. Plasmolysis

105. The environment where an organism lives is__________________?
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A. Girding

B. Logging

C. None of the above

D. Habitat

106. The unproductive branches of cotton are called_________________?
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A. Sympodial branches

B. Vegetative branches

C. Monopodial branches

107. Which province the only source of income is livestock grazing in range lands_______________?
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A. Punjab

B. Balochistan

C. Sindhi

D. NWFP

108. A good source of vegetable protein is________________?
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A. Egg

B. Com

C. non of there

D. Pulses

109. Optimum pH for cotton plant lies between______________?
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A. 3.5 to 5.5

B. non of these

C. 5.2 to 9.0

D. 5.2 to 7.0

110. Cotton plant belong to one of the following categories______________?
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A. C3 plant

B. C4 plant

C. CAM plant

D. on of these

111. The contribution of agriculture in the GDP of the country is____________________?
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A. 25%

B. 30%

C. 40%

D. 35%

112. The given off water vapours from the surface of leaves is called________________?
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A. Evaporation

B. Transpiration

C. Respiration

D. Exudation

113. Tensiometer is used for measuring____________________?
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A. Wind pressure

B. Soil moisture

C. None of the above

D. Water pressure

114. A condition of green plants in which they become unhealthy and pale fellow in colour is known as_________________?
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A. Chromoplast

B. Chlorosis

C. Leucoplast

D. Chromoplast

115. Wheat is predominantly________________?
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A. Self pollinated crop

B. Often cross pollinated crop

C. Apomictie crop

D. Cross pollinated crop

116. In Pakistan, the total length of canal system exceeds________________?
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A. 60000 Km

B. 58000 Km

C. 59000 Km

D. 52000 Km

117. Organic farming, is a copping system in which__________________?
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A. Farm yard manure r not used

B. Fertilizers and pesticides are net used

C. Fertilizers and pesticides are widely used

D. Green manuring

118. A method of estimating seed vigour on the basis of color intensity o the stained seeds was described by______________?
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A. Kittock and Law (1963)

B. Germ and Keitreiber (1954)

C. Maguire (1963)

D. Moore (1973)

119. Pulling of off- type plants from a cropped field is called___________________?
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A. Pruning

B. Rouging

C. Weeding

D. None of the above

120. The sever salinity problem has taken lands out of production as___________________?
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A. 45%

B. 30%

C. 10%

D. 50%

Showing 101 to 120 of 308 mcqs