Explore topic-wise MCQs in Agriculture .

This section includes 280 Mcqs, each offering curated multiple-choice questions to sharpen your Agriculture knowledge and support exam preparation. Choose a topic below to get started.

51.

The ratio of treatment variance to error variance is known as_________________?

A. Correlation
B. F-value
C. Critical difference
D. I-value
Answer» C. Critical difference
52.

The ratio of actual cultivated’ area to a total farm area over the year is called __________________?

A. Cropping pattern
B. Cropping intensity
C. Cost benefit ratio
D. Cropping system
Answer» C. Cost benefit ratio
53.

The ratio of actual cultivated area to a total farm area over a year is called__________________?

A. Cropping pattern
B. Cropping intensity
C. Cost-benefit ratio
D. None of the above
Answer» C. Cost-benefit ratio
54.

The productive branches of cotton are called________________?

A. Monopodial branches
B. Sympodial branches
C. Fruiting branches
D. non of these
Answer» C. Fruiting branches
55.

The process of converting food nutrients to carbohydrates in plants is called________________?

A. Metabolism
B. Photosynthesis
C. Absorption
D. Assimilation
Answer» C. Absorption
56.

The practice of producing two successive crops of same species from same piece of land in one year is called_________________?

A. Intercropping
B. Doubling cropping
C. Monocropping
D. Cropping pattern
Answer» C. Monocropping
57.

The potential means of enhancing productivity is_________________?

A. Quality of seeds
B. Quantity of seeds
C. Seed density
D. All the above
Answer» B. Quantity of seeds
58.

The plants which, grow neither in dry nor in wet condition are_______________________?

A. Xerophytes
B. Amphibiophytes
C. Mesophytes
D. Hydrophytes
Answer» D. Hydrophytes
59.

The plants which grown on stream bank are__________________?

A. Pheritophytes
B. Bryophytes
C. Xerophytes
D. None of the above
Answer» B. Bryophytes
60.

The pH of urea fertilizer is _________________?

A. 4.00
B. 3.5
C. 8.0
D. non of these
Answer» D. non of these
61.

The oxygen concentration in the air is________________?

A. 30%
B. 21%
C. 16%
D. 45%
Answer» C. 16%
62.

The organisms which do not prepare their own food and depend on the dead organisms are called_____________________?

A. Saprophytes
B. Parasites
C. Obligatory parasites
D. Bacteria
Answer» C. Obligatory parasites
63.

The negative logarithm of the hydrogen ion concentration, a measure of the acidity of a solution is called_______________?

A. pH
B. EC
C. Cl
D. Saliruiy
Answer» B. EC
64.

The movement of water in soil profile is.known as__________________?

A. Diffusion
B. Percolation
C. Absorption
D. All the above
Answer» C. Absorption
65.

The maximum working depth of disc plow is_________________?

A. 300 mm
B. 200 mm
C. 400 mm
D. 450 mm
Answer» B. 200 mm
66.

The management of kind by planting a series of crops, pastures or following to maximize production with sustaining land quality is called_______________?

A. Crop rotation
B. Crop sequence
C. Cropping system
D. Crop management
Answer» B. Crop sequence
67.

The major source of foreign exchange earning is________________?

A. Wheat
B. Sugarcane
C. Cotton
D. Jute
Answer» D. Jute
68.

The lowest pest population that will cause economic damage is called__________________?

A. Economic pest
B. Economic threshold
C. Economic damage
D. None of the above
Answer» C. Economic damage
69.

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

A. Symbiosis
B. Biosystem
C. Auto environment
D. Climate
Answer» B. Biosystem
70.

The leguminous plants are important in agriculture because_________________?

A. They need very little water to grow
B. Six crops are harvested in a year
C. They are disease resistant
D. Help in nitrogen economy of nature
Answer» E.
71.

the layer of atmosphere which blocks ultraviolet radiation from sun is___________________?

A. Stratosphere
B. Ozone
C. Ozosphere
D. All the above
Answer» C. Ozosphere
72.

The K is predominantly in______________?

A. Leaves
B. Straw
C. Grain
D. All the above
Answer» C. Grain
73.

The Indus basin irrigation system has__________________?

A. 11 Barrages
B. 19 Barrages
C. 25 Barrages
D. 41 Barrages
Answer» C. 25 Barrages
74.

The higher leachate conductivity is associated with__________________?

A. Mature seeds
B. Immature seed?
C. Abnormal seeds
D. All the above
Answer» C. Abnormal seeds
75.

The herb plants have___________________?

A. Woody stem
B. Non-woody stem
C. Trunk
D. All the above
Answer» C. Trunk
76.

The heating of atmosphere by gases that are transparent to sun light but opaque to radiated heat is called________________?

A. Green house effect
B. Pollution
C. Warming
D. Solar radiation
Answer» B. Pollution
77.

The harmful influence of one living plant on another living plant by the secretion of a toxic substance is called________________?

A. Allergy
B. Allelopathy
C. Parasitism
D. Antagorusm
Answer» C. Parasitism
78.

The given off water vapours from the surface of leaves is called________________?

A. Transpiration
B. Respiration
C. Exudation
D. Evaporation
Answer» B. Respiration
79.

The experimental design which control fertility level in two directions is known as________________?

A. RBD
B. SPD
C. AD
D. LSD
Answer» E.
80.

The equipment used for separating, cleaning and grading small seeds from given sample is______________?

A. Seed blower
B. Seed sorter
C. Seed divider
D. a and b
Answer» C. Seed divider
81.

The enzyme responsible for biological nitrogen fixation is________________?

A. Lipase
B. Nitrogenase
C. Isomerase
D. Kinease
Answer» C. Isomerase
82.

The environment where an organism lives is__________________?

A. Habitat
B. Logging
C. Girding
D. None of the above
Answer» B. Logging
83.

The depth of water required by crops during the base period is called_____________________?

A. Frequency of water
B. Acre inch
C. Duty of water
D. Delta of water
Answer» E.
84.

The depth of irrigation water required for the full crop period is called_______________?

A. Consuptive use of water
B. Delta of water
C. Optimum use of water
D. non of these
Answer» C. Optimum use of water
85.

The deficient level of N(%) in plants suggested by various workers is_________________?

A. <2%
B. <1%
C. <5%
D. 10%
Answer» C. <5%
86.

The crops which are grown to reduce the soil erosion and natural losses by leaching is known as______________?

A. Companion crops
B. Cover crops
C. Mixed crops
D. Ratooning crops
Answer» C. Mixed crops
87.

The crop which are cultivated for grain purposes are called_________________?

A. Fodder crops
B. Cereal crops
C. Fiber crops
D. Leguminous crops
Answer» C. Fiber crops
88.

The critical stages in cotton is______________?

A. Budding
B. Flowering
C. Boll .formation
D. All the above
Answer» C. Boll .formation
89.

The cotton plant sheds more fruits mainly due to_________________?

A. More number of irrigations
B. Higher temperature
C. Higher dose of fertilizer
D. Insects and pest
Answer» C. Higher dose of fertilizer
90.

The Cotton plant belong to family ?

A. Gramineae
B. Fabaceae
C. Malvaceae
D. Leguminaceae
Answer» D. Leguminaceae
91.

The control and preservation of natural resources for present and future use is called_________________?

A. Sustainability
B. Conservation
C. Crop residue management
D. None of above
Answer» C. Crop residue management
92.

The contribution of agriculture in the GDP of the country is____________________?

A. 25%
B. 35%
C. 30%
D. 40%
Answer» B. 35%
93.

The control and preservation of natural resources For present and future use is_________________?

A. Substainability
B. Conservation
C. Biodiversity
D. Environment
Answer» C. Biodiversity
94.

The contact herbicides are less effective to_________________?

A. Broad leaved weeds
B. Perenial plants
C. Seasonal plants
D. All the above
Answer» C. Seasonal plants
95.

The condition of drying of plant parts due to lack of water is called__________________?

A. Water stress
B. Drought
C. Wilting
D. None of the above
Answer» D. None of the above
96.

The CO, content of air is___________________?

A. 1%
B. 10.3%
C. 0.03%
D. 0.002%
Answer» D. 0.002%
97.

The climates of sindh province comes under__________________?

A. tropical
B. Temperature
C. Sub tropical
D. all
Answer» D. all
98.

The branch of Science which deals cultivation of land is called________________?

A. Geology
B. Agriculture
C. Horticulture
D. Petrology
Answer» C. Horticulture
99.

The best soil for cotton cultivation is_________________?

A. Sandy soil
B. Loamy soil
C. Silty soil
D. Clay loam soil
Answer» E.
100.

The available form of nitrogen for plants is_________________?

A. NO₃
B. NH₄
C. Both a and b
D. non of these
Answer» D. non of these