All Free Agriculture MCQs with Answers

• A. Invivo
• B. Invitro
• C. In-ova
• D. In-sin

Explanation: In vitro means conducting work outside a living organism, usually in glassware or a culture vessel under controlled conditions.

• A. Rice
• B. Wheat
• C. Potato
• D. Sugarcane

Explanation: Potato originated in the Andes of South America, part of the New World, and was introduced to Europe and other Old World regions after…

• A. Non-woody stem
• B. Woody stem
• C. Trunk
• D. All the above

Explanation: Herbs have soft, green, non-woody stems that generally lack a persistent trunk.

• A. More number of irrigations
• B. Higher temperature
• C. Higher dose of fertilizer
• D. Insects and pest

Explanation: High temperature can disturb pollination, fertilisation and boll development in cotton, causing greater shedding of squares and young…

• A. A fruit is a product of flower
• B. A fruit is a product of ovary
• C. A fruit is a mature ovary that contain seed
• D. A fruit is post-fertilization product of the pistil

Explanation: Botanically, a fruit is generally the mature ovary formed after fertilization and usually contains seeds, making option c the best…

• A. Spread
• B. Deep
• C. Non-rooted
• D. Shallow

Explanation: Onion develops a relatively shallow root system, so its crop water requirement is commonly met through frequent, light irrigation rather…

• A. 0.3%
• B. 2.75%
• C. 0.75%
• D. None of the above

Explanation: Lakes, reservoirs and rivers contain about 0.3% of the world’s freshwater, while most freshwater is locked in ice or stored as…

• A. 16
• B. 17
• C. 18
• D. 19

Explanation: The commonly cited irrigation-infrastructure figures for Pakistan include the three major storage reservoirs of Tarbela, Chashma and…

• A. Infiltration
• B. Percolation
• C. Seepage
• D. All of these

Explanation: Seepage is the lateral or horizontal movement of water through the sides and bed of an irrigation channel or canal, causing conveyance…

• A. 400 mm
• B. 450 mm
• C. 500 mm
• D. 550 mm

Explanation: Sargodha receives roughly 400 to 450 mm of annual rainfall, with about 400 mm commonly given in agricultural references.

• A. Water required
• B. Delta of water
• C. Crop water required
• D. None of these

Explanation: Delta is the total depth of irrigation water required by a crop over its complete base period or crop period.

• A. Abrasion
• B. Backplain
• C. Ablation
• D. Bank-Caving

Explanation: Ablation is the loss of glacier or snowfield mass through melting, sublimation, and calving.

• A. 10,000 liters 104
• B. 100,000 liters or 105
• C. 100,000,00 liters or 107
• D. None of the aboveAgriculture & Forestry

Explanation: One hectare equals 10,000 m², so a 1 mm depth over it gives 10 m³, or 10,000 litres, equal to 10⁴ litres.

• A. All of these
• B. Planning and designing of future canals on proper lines.
• C. Planting of eucalyptus in water-logged areas.
• D. Installation of tube-wells for irrigation and vertical drainage.

Explanation: Tube wells provide vertical drainage, sound canal planning reduces seepage and excess recharge, and deep-rooted trees such as eucalyptus…

• A. both A and B
• B. Methyle alcohol
• C. Cetyle alcohol
• D. None of these

Explanation: Cetyl alcohol, also called hexadecanol, forms a thin film on the water surface that reduces evaporation.

• A. Water distribution
• B. None of the above
• C. both A & B
• D. Water management

Explanation: Water management means the planned development, allocation, distribution and efficient use of water resources.

• A. Direct evaporation from the soil & transpiration from vegetation
• B. down-ward drainage
• C. Surface run-off from the fieldGeology
• D. Hydroponics loss

Explanation: Soil-water losses include evaporation, transpiration, runoff, and drainage below the root zone.

• A. Both A & B
• B. 100000 litres of water
• C. 100 tonnes of water
• D. 10 tonnes of water

Explanation: One hectare-centimetre equals 10,000 m² × 0.01 m = 100 m³ of water. Since 1 m³ weighs about 1 tonne, this is 100 tonnes or 100,000 litres.

• A. Inversely related
• B. Not related
• C. Directly related
• D. Occasionally related

Explanation: With adequate atmospheric demand, greater available soil moisture generally permits greater evapotranspiration, so the two are treated as…

• A. 0.7 ppm
• B. 1.5 ppm
• C. 2 ppm
• D. 3 ppm

Explanation: Boron is needed in trace amounts but becomes toxic relatively easily, so irrigation water containing up to about 0.7 ppm is generally…