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.

151.

N mineralization is effected by soil pH_______________?

A. Below 6
B. Above 6
C. Above 10
D. None of the above
Answer» C. Above 10
152.

Mutual association between fungi and roots of plants is known as_________________?

A. Rhizospher
B. Mycorrhizae
C. Root fungi
D. None of the above
Answer» C. Root fungi
153.

Mg in plants act as___________________?

A. Protein activator
B. Enzyme activator
C. Starch activator
D. None of the above
Answer» C. Starch activator
154.

Mesophytes are grown in__________________?

A. Dry condition
B. Moist places
C. Desert area
D. None of the above
Answer» C. Desert area
155.

Melilotus alba is objectional weed of__________________________?

A. Okra
B. Methi
C. Cucurbits
D. Wee
Answer» C. Cucurbits
156.

Major source of sugar in world is_________________?

A. Dates
B. Beet root
C. Water melon
D. Sugarcane
Answer» C. Water melon
157.

Main reason behind the shedding of flower in cotton is__________________?

A. Low temperature
B. High temperature
C. Humidity
D. Cloudy day
Answer» C. Humidity
158.

Low soil pH is the indication of_______________?

A. High Mg and Ca
B. High N and S
C. Low N and Ca
D. Moderate Mg and Ca
Answer» B. High N and S
159.

Losses of soil moisture vapour form is called as_________________?

A. Evaporation
B. Transpiration
C. Translocation
D. Both A and B
Answer» E.
160.

IPM stands for_________________?

A. International pest management
B. Interior pest management
C. Integrated pest management
D. non of there
Answer» D. non of there
161.

International institute for Tropical Agriculture is located at________________?

A. Mexico
B. Nigeria
C. Syria
D. Columbia
Answer» B. Nigeria
162.

Integrated pest management involves________________?

A. Chemical and cultural method
B. Only chemical control method
C. Chemical, cultural, and biological method
D. Only biological method
Answer» D. Only biological method
163.

Initial vegetation that invades and occupies the area is called_________________?

A. Pioneer
B. Range
C. Resin
D. None of the above
Answer» B. Range
164.

Indus river is one of the longest river of Asia measuring about_____________________?

A. 3000 Km
B. 2500 Km
C. 2900 Km
D. 3200 Km
Answer» D. 3200 Km
165.

In wheat total crop P uptake per ton of gram is about;__________________?

A. 5-20 Kg
B. 2-3Kg
C. 5-7 Kg
D. 20-25 Kg
Answer» C. 5-7 Kg
166.

In wheat total crop N uptake per ton of grain is about__________________?

A. 50-60 Kg
B. 20-30 Kg
C. 15-20 Kg
D. 70-80 Kg
Answer» D. 70-80 Kg
167.

In wheat, production of certified seed needs an isolation distance of____________________?

A. 5 Meters
B. 4 Meters
C. 3 Meters
D. 2 Meters
Answer» D. 2 Meters
168.

In Sunflower, production of foundation seed requires as isolation distance of__________________?

A. 400 meters
B. 800 meters
C. 200 meters
D. 100 meters
Answer» B. 800 meters
169.

In rice, high silicon content, in shoot confers resistance to_________________?

A. Leaf borer
B. Stem borer
C. Root borer
D. All the above
Answer» C. Root borer
170.

In Raygistan area which districts of Sindh are included______________?

A. Karachi
B. Hyderabad and N.Shah
C. Sukkar and. Khairpur
D. None of the above
Answer» D. None of the above
171.

In pulses, limiting amino acids are__________________?

A. Lysine
B. Theronine
C. Tryptophan
D. Methionine
Answer» D. Methionine
172.

In pulses, for the production of nucleus seed we require minimum of_________________?

A. 300 plant progenies
B. 400 plant progenies
C. 500 plant progenies
D. 200 plant progenies
Answer» D. 200 plant progenies
173.

In Pakistan, the total length of canal system exceeds________________?

A. 59000 Km
B. 52000 Km
C. 58000 Km
D. 60000 Km
Answer» D. 60000 Km
174.

In Pakistan the area effected due to water erosion is about_________________?

A. 12 million to
B. 13.05 million lia
C. 22 million ha
D. 15 million lva
Answer» C. 22 million ha
175.

In fanning system cultivation of two or more crops is known as_______________?

A. Sequential cropping
B. Strip cropping
C. Multiple cropping
D. All the above
Answer» D. All the above
176.

In cotton the recommended R x R distance is_________________?

A. 75 cm
B. 90 cm
C. 45 cm
Answer» B. 90 cm
177.

In China, cotton was cultivated as a crop in._______________?

A. 7th century AD
B. 4th century AD
C. 10th century AD
D. 5th century AD
Answer» C. 10th century AD
178.

In B.T cotton B.T. stands for__________________?

A. Bacillus thuringensis
B. Bemisia tabaci
C. Bemisia trachyplerus
Answer» B. Bemisia tabaci
179.

In Bindi, production of foundation seed needs an isolation distance of__________________?

A. 100 meters
B. 50 meters
C. 200 meters
D. 3 meters
Answer» D. 3 meters
180.

In 1992-93 the greatest decrease in the production of cotton was due to attack of_____________?

A. American boll worm
B. CLCV
C. Spotted boll worm
D. Aphids
Answer» C. Spotted boll worm
181.

In 1991-92 the record production of cotton in Pakistan was_______________?

A. 12800,000 bales
B. 1200,000 bales
C. 1000,000 bales
D. 1100,000 bales
Answer» B. 1200,000 bales
182.

Hyderabad district area is in_________________?

A. Thai range area
B. Raygistan range area
C. Cholistan range area
D. None of the above
Answer» B. Raygistan range area
183.

Hybrid seeds are developed because they_________________?

A. Produce better crop
B. Provide greater vigour
C. Are more uniform
D. All the above
Answer» E.
184.

Hot with a cool winter is___________________?

A. Temperature
B. Arid
C. Subtropical
D. None of the above
Answer» D. None of the above
185.

Hot desert has mean annual temperature of___________________?

A. 50°C
B. 40°C
C. 30°C
D. None of the above
Answer» D. None of the above
186.

Hitting the seed with force against a hard surface to break seed dormancy is called_______________?

A. Impaction
B. Abrasion
C. Stratification
D. Scarification
Answer» B. Abrasion
187.

Highly decomposed stage of organic matter is called_______________?

A. Cellulose
B. Organic acid
C. Humus
D. All the above
Answer» D. All the above
188.

High density grains are found mostly at___________________?

A. Top of panicle
B. Middle of panicle
C. Bottom of panicle
D. All the above
Answer» B. Middle of panicle
189.

Growing more then one crop in a season in the same land is called________________?

A. Monocropping
B. Double cropping
C. Intensive cropping
D. Intercropping
Answer» D. Intercropping
190.

Green vegetables are the source of___________________?

A. Biotin
B. Carbohydrates
C. Folate
D. Vitamin
Answer» D. Vitamin
191.

Green revolution came into being due to evolution of_________________?

A. Wheat varieties
B. Sugarcane varieties
C. Cotton varieties
D. All the above
Answer» B. Sugarcane varieties
192.

Geographical area of Pakistan in million hectare is_______________?

A. 60
B. 80
C. 95
D. none of the above
Answer» C. 95
193.

Genus of cotton is___________________?

A. Hirsutum
B. Triticum
C. Gassypium
D. Hordeunt
Answer» D. Hordeunt
194.

genetic purity of seed is determined by________________?

A. Ageing test
B. Grow out test
C. Tz test
D. All the above
Answer» C. Tz test
195.

genetic purity is assessed through________________?

A. Inspection
B. Seed testing
C. Germination
D. All the a b c
Answer» D. All the a b c
196.

Generally field crops are cultivated at altitude__________________?

A. 20004000 ft
B. 0008000 ft
C. 1200014000 ft
D. 02000 ft
Answer» E.
197.

Gassypium hirsutum was developed from a cross between________________?

A. G.arbarieum and G. rainmundii
B. G.arbarieum and G.thurberii
C. G.arbarieum and G.barbadense
D. G.arbarieum and G.herbaceum
Answer» C. G.arbarieum and G.barbadense
198.

Gassypium hirsutum is________________?

A. Tetraploid
B. Diploid
C. Triploid
D. Hexaploid
Answer» B. Diploid
199.

Gassypium herbaceum was originated in______________?

A. Ethipia and South Africa
B. Kenya and South Africa
C. Indonesia and Central America
D. South Mexico and Central America
Answer» E.
200.

Gassypium barbadense was originated in__________________?

A. Central and North America
B. Central and South America
C. Central and South Asia
D. North Mexico and North America
Answer» C. Central and South Asia