MCQOPTIONS
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MCQOPTIONS
This section includes 187 Mcqs, each offering curated multiple-choice questions to sharpen your Agriculture knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
pH in coniferous forest is__________________? |
| A. | Less than 7 |
| B. | Neutral |
| C. | Greater than 7 |
| D. | Basis |
| Answer» B. Neutral | |
| 102. |
pF unit is used for the measurement of_____________________? |
| A. | Hydraulic potential |
| B. | Hydraulic conductivity |
| C. | Negative soil water potential |
| D. | All the above |
| Answer» D. All the above | |
| 103. |
Permanente wilting point of clayey soils is not less than____________________? |
| A. | 20% |
| B. | 10% |
| C. | 5% |
| D. | 15% |
| Answer» C. 5% | |
| 104. |
Permanent change in soil is due to__________________? |
| A. | Ionic bonding |
| B. | pH change |
| C. | Covalent bonding |
| D. | Isomorphic substitution |
| Answer» E. | |
| 105. |
Perfect hardness of any mineral is determined by___________________? |
| A. | Mho’s scale |
| B. | pH scale |
| C. | Foot scale |
| D. | None of the above |
| Answer» B. pH scale | |
| 106. |
Percentage of N in Ammonium ritract fertilizer is___________________? |
| A. | 21 |
| B. | 23 |
| C. | 33 |
| D. | 39 |
| Answer» D. 39 | |
| 107. |
Percentage of N in Ammonium sulphate fertilizer is___________________? |
| A. | 23 |
| B. | 35 |
| C. | 45 |
| D. | 21 |
| Answer» E. | |
| 108. |
Particular matter consists of____________________? |
| A. | Solid and gases |
| B. | CO2 & N |
| C. | Solid and liquid |
| D. | None of the above |
| Answer» D. None of the above | |
| 109. |
Part of soil which is in contact with root surface is called___________________? |
| A. | Rhizoshpere |
| B. | Lithoshpere |
| C. | Atmoshpere |
| D. | None of the above |
| Answer» B. Lithoshpere | |
| 110. |
Organic P content in soil, by ignition method is estimated by igniting the soil at ____________________? |
| A. | 250ºC |
| B. | 1000ºC |
| C. | 550ºC |
| D. | 1250ºC |
| Answer» C. 550ºC | |
| 111. |
Organic soil are called____________________? |
| A. | Peat |
| B. | Arid soil |
| C. | Muck |
| D. | Both a & b |
| Answer» E. | |
| 112. |
Nitrogen gases are involved in_____________________? |
| A. | Sleepy feelings |
| B. | Hair disease |
| C. | Mental disease |
| D. | Acid rains |
| Answer» E. | |
| 113. |
Nitrification is the microbial conversion of____________________? |
| A. | NH nitrogen the NO3 nitrogen in soil |
| B. | NO2 to NO3 nitrogen in soil |
| C. | NO3 nitrogen to NH4 + in soil |
| D. | None of the above |
| Answer» B. NO2 to NO3 nitrogen in soil | |
| 114. |
[(NH4)2SO4FeSO66H2O] is the formula of _______________________? |
| A. | Ammonium sulphate Iron sulphate |
| B. | Sodium ammonium sulphate |
| C. | Ferrous Ammonium sulphate |
| D. | None of the above |
| Answer» D. None of the above | |
| 115. |
Na2CO3 salts is___________________? |
| A. | Neutral |
| B. | Alkaline |
| C. | Acidic |
| D. | None of the above |
| Answer» C. Acidic | |
| 116. |
Na and k can be determined by the use of____________________? |
| A. | Hydrometer |
| B. | Flame photometer |
| C. | Spectrophotometer |
| D. | All the above |
| Answer» C. Spectrophotometer | |
| 117. |
Most widely spread mineral in the world is________________? |
| A. | Iron |
| B. | Kaolinite |
| C. | Salt |
| D. | None of the above |
| Answer» C. Salt | |
| 118. |
Most of the productive soils in Pakistan have pH______________________? |
| A. | Between 7.5 to 8.5 |
| B. | 8.5 |
| C. | None of the above |
| Answer» B. 8.5 | |
| 119. |
Most abundant mineral in the earth crust is______________________? |
| A. | N-Feldspar |
| B. | Feldspar |
| C. | S-Feldspar |
| D. | Amplubole |
| Answer» C. S-Feldspar | |
| 120. |
Mollic refers to____________________? |
| A. | B-horizon |
| B. | C-horizon |
| C. | U-horizon |
| D. | Surface horizon |
| Answer» E. | |
| 121. |
Mineral soil contain organic carbon___________________? |
| A. | >4% |
| B. | 5% |
| C. | <20% |
| D. | >10% |
| Answer» D. >10% | |
| 122. |
Microorganisms have C/N ratio of____________________? |
| A. | 2:1 |
| B. | 4:1 |
| C. | 12:1 |
| D. | 20:1 |
| Answer» C. 12:1 | |
| 123. |
Metamorphic rocks are formed from____________________? |
| A. | Igneous rocks |
| B. | Sedimentary rocks |
| C. | Both a & b |
| D. | Cleavage |
| Answer» D. Cleavage | |
| 124. |
Mechanisms of material uptake by plants is by____________________? |
| A. | Diffusion |
| B. | Osmosis |
| C. | Root interception |
| D. | Mass flow |
| Answer» E. | |
| 125. |
Mean annual precipitation for tundra region is ____________________? |
| A. | 70-80 cm |
| B. | 150-70 cm |
| C. | 0-50 cm |
| D. | None of the above |
| Answer» D. None of the above | |
| 126. |
Material deposited by the wind is called____________________? |
| A. | Regolith |
| B. | Colluvial |
| C. | Alluvium |
| D. | Eolian |
| Answer» E. | |
| 127. |
Main product of photosynthesis is_____________________? |
| A. | C6H12O6 |
| B. | C12H24O12 |
| C. | C3H6O6 |
| D. | C5H12O6 |
| Answer» B. C12H24O12 | |
| 128. |
Lithosphere refers to____________________? |
| A. | Zone of atmosphere |
| B. | Zone of earth crust |
| C. | Zone of ozone |
| D. | Zone of water |
| Answer» C. Zone of ozone | |
| 129. |
Ligands that occur in Pakistan soils are__________________? |
| A. | OH1 HCO2 |
| B. | SO4-2 OH |
| C. | CO3-2 SO4-2 |
| D. | All the above |
| Answer» E. | |
| 130. |
Large pieces of erupted magma are called_____________________? |
| A. | Volcanic ash |
| B. | Volcanic block |
| C. | Dike |
| D. | Sill |
| Answer» C. Dike | |
| 131. |
Kaolinite can be identified by______________________? |
| A. | Spectrophotometer |
| B. | Boiling |
| C. | X-ray diffraction |
| D. | Breaking |
| Answer» D. Breaking | |
| 132. |
International atomic weight of potassium is_________________? |
| A. | 39.0 |
| B. | 40.0 |
| C. | 41.0 |
| D. | 38.0 |
| Answer» B. 40.0 | |
| 133. |
In flood rice, snail feed on bacteria called__________________? |
| A. | Helix |
| B. | Limnea |
| C. | Azolla |
| D. | None of the above |
| Answer» D. None of the above | |
| 134. |
Igneous rock whose crystal is 1 cm called____________________? |
| A. | Plutonic |
| B. | Felsic |
| C. | Pegmatitic |
| D. | Mafic |
| Answer» D. Mafic | |
| 135. |
Identify the fertilizer (s) containing potassium____________________? |
| A. | SOP |
| B. | MOP |
| C. | Chilean salt peter |
| D. | All the above |
| Answer» E. | |
| 136. |
hydrosphere refers to______________________? |
| A. | Zone of water |
| B. | Zone of air |
| C. | Zone of atmosphere |
| D. | Zone of earth crust |
| Answer» B. Zone of air | |
| 137. |
Humic acid is soluble in____________________? |
| A. | Acid |
| B. | Alkali |
| C. | Both a & b |
| D. | None of the above |
| Answer» C. Both a & b | |
| 138. |
Humic acid is soluble in______________________? |
| A. | Acid |
| B. | Alkali |
| C. | Both a & b |
| D. | Distilled water |
| Answer» C. Both a & b | |
| 139. |
How much percentage of soils of Pakistan are deficient in P______________________? |
| A. | 60 |
| B. | 50-70 |
| C. | 80-90 |
| Answer» D. | |
| 140. |
How many different minerals deposits are found in Pakistan ? |
| A. | 100 |
| B. | 60 |
| C. | 30 |
| D. | None of the above |
| Answer» C. 30 | |
| 141. |
Histols are found in______________________? |
| A. | Pakistan |
| B. | Canada |
| C. | Alaska |
| D. | Both b & c |
| Answer» E. | |
| 142. |
Gravimetric water is present in__________________? |
| A. | Microspores |
| B. | Macrospores |
| C. | Mesopores |
| D. | Nanopores |
| Answer» C. Mesopores | |
| 143. |
Gravimetric water is present in______________________? |
| A. | Micro pores |
| B. | Macro pores |
| C. | Meso pores |
| D. | None of the above |
| Answer» C. Meso pores | |
| 144. |
Gold is___________________? |
| A. | Native element |
| B. | Secondary element |
| C. | Primary element |
| D. | Heavy metal |
| Answer» B. Secondary element | |
| 145. |
Geochemical weathering processes occurs______________________? |
| A. | On surface |
| B. | Below soil solum |
| C. | At the level |
| D. | On the mountain |
| Answer» C. At the level | |
| 146. |
Formula used for the calculation of sodium absorption ratio is______________________? |
| A. | SAR=Na / [(Ca+Mg)1/2] Na x 2 |
| B. | SAR=Na / CEC x 100 |
| C. | SAR=Na / CEC x 100 |
| D. | None of these |
| Answer» B. SAR=Na / CEC x 100 | |
| 147. |
Fine-graned rocks formed on earth crust are called____________________? |
| A. | Intensive igneous rock |
| B. | Extrusive rock |
| C. | Sedimentary rock |
| D. | Plutonic |
| Answer» C. Sedimentary rock | |
| 148. |
Felsic rocks consists of___________________? |
| A. | fe |
| B. | Quartz |
| C. | Buiotitic |
| D. | Quartz & Feldspars |
| Answer» E. | |
| 149. |
Father of agricultural chemistry is___________________? |
| A. | Vonliebig |
| B. | Neil Brady |
| C. | Neuron |
| D. | J. jones |
| Answer» B. Neil Brady | |
| 150. |
Extraction of humic substance can be done by______________________? |
| A. | NaOH |
| B. | NH4Cl |
| C. | NH4OH |
| D. | None of the above |
| Answer» B. NH4Cl | |