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%

121. What do you mean by WTO__________________?
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A. World trade order

B. World trade organization

C. non of there

D. Western training organization

122. Who gave the formula for mean germination time?
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A. Nicolls &Heydecker (1968)

B. Baskin (1972)

C. Kotowski (1962)

D. Maguire (1962)

123. Raising of only one crop in a year, when there is seasonal supply of water is called______________?
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A. Monocropping

B. Specialized farming

C. Monoculture

D. Intensive cropping

124. Who gave the formula for coefficient of velocity of germination ?
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A. Germ (1949)

B. Kotowski (1926)

C. Moore (1973)

D. Deloucle & Baskin (1972)

125. Which one of the following is a major fiber crop of Pakistan ?
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A. Jute

B. Sesame

C. Cotton

D. Sugarcane

126. APTMA stands for_____________________?
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A. All Pakistan trade monitoring agency

B. All Pakistan trade monitoring association

C. All Pakistan textile mills association

D. All Pakistan textile mill management authority

127. In pulses, limiting amino acids are__________________?
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A. Theronine

B. Tryptophan

C. Lysine

D. Methionine

128. Organisms which feeds on dead and decaying organisms are called as_________________?
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A. Saprophytes

B. All the above

C. Xerophytes

D. Halophytes

129. The process of converting food nutrients to carbohydrates in plants is called________________?
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A. Assimilation

B. Photosynthesis

C. Absorption

D. Metabolism

130. Sugar beet belongs to family ?
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A. Cucurbitaceae

B. non of these

C. Poaceae

D. Chenopodiaceae
131. The plants which, grow neither in dry nor in wet condition are_______________________?
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A. Xerophytes

B. Hydrophytes

C. Mesophytes

D. Amphibiophytes

132. Seeds which dried at low moisture contents and stored at low temperature without loosing their viability are________________?
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A. Recalcitrant seeds

B. Orthodox seeds

C. Active seeds

D. Certified seeds

133. Pasturing system that allows short periods of heavy use followed by recover, period is called as_______________?
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A. Hay grazing

B. Forage grazing

C. Differed grazing

D. Rotational grazing
134. Hot with a cool winter is___________________?
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A. Subtropical

B. Temperature

C. None of the above

D. Arid

135. Mutual association between fungi and roots of plants is known as_________________?
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A. Root fungi

B. Mycorrhizae

C. Rhizospher

D. None of the above

136. One of the following insect act as a vector for CLCV________________?
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A. White fly

B. Heliothus

C. Aplud

D. Jassid

137. Losses of soil moisture vapour form is called as_________________?
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A. Evaporation

B. Transpiration

C. Translocation

D. Both A and B
138. EC of saline soil is equal to or greater than________________?
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A. 4

B. on of these

C. 2

D. 3

139. Resistance of plants to living organism is called______________________?
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A. Abiotic resistance

B. Biotic resistance

C. Horizantal resistance

D. Vertical resistance

140. The CO, content of air is___________________?
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A. 1%

B. 0.00%

C. 10.30%

D. 0.03%
141. Drought is measuring in terms of________________?
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A. Root length of seeding

B. All the above

C. Yield performance

D. Photosynthesis

142. In B.T cotton B.T. stands for__________________?
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A. Bemisia tabaci

B. Bemisia trachyplerus

C. Bacillus thuringensis
143. Cotton plant has a mode of germination______________?
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A. Hypogeal germination

B. Epigeal germination

C. Both of the above

D. non of these

144. Green vegetables are the source of___________________?
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A. Carbohydrates

B. Vitamin

C. Biotin

D. Folate
145. International institute for Tropical Agriculture is located at________________?
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A. Columbia

B. Syria

C. Nigeria

D. Mexico
146. Cotton is a crop of_______________?
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A. Tropical region

B. Sub-tropical region

C. Both A and B
147. A treeless arctic plan is called as__________________?
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A. Tundra

B. Glaciers

C. None of the above

D. Barren land

148. Weedicides that kill the foliage of weeds by direct contact are as________________?
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A. Loxynil

B. Trifluration

C. Bromoxy nil

D. Paraquet
149. The heating of atmosphere by gases that are transparent to sun light but opaque to radiated heat is called________________?
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A. Warming

B. Pollution

C. Solar radiation

D. Green house effect
150. The maximum working depth of disc plow is_________________?
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A. 200 mm

B. 400 mm

C. 450 mm

D. 300 mm