agriculture MCQs – Page 167

Practise multiple-choice questions from agriculture for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

3321. Color off basic matic rock is_____________________?
comments icon0

A. Light green

B. Blue

C. Dark colored

D. Yellow

3322. The formula used for calculating RSC is _____________________?
comments icon0

A. None of the above

B. RSC=(CO32 + HCO2) ( Ca2 + Mg2)

C. non of these

D. RSC=(CO32 + HCO2) (Na + K + Ca2 + Mg2)

3323. Which instrument is used for determining soil texture___________________?
comments icon0

A. All the above

B. Thermometer

C. Hydrometer

D. Lysimeter

3324. The safe limit of No2 in drinking water is_____________________?
comments icon0

A. None of the above

B. 10 mg L-1

C. 20 mg L-1

D. 15 mg L-1

3325. Attraction between similar particles is called____________________?
comments icon0

A. Adhesion

B. Cohesion

C. All the above

D. Vander wall

3326. Nitrification is the microbial conversion of____________________?
comments icon0

A. NO3 nitrogen to NH4 + in soil

B. None of the above

C. NO2 to NO3 nitrogen in soil

D. NH nitrogen the NO3 nitrogen in soil
3327. Which mineral contain phosphorus__________________?
comments icon0

A. None of the above

B. Metamorphic

C. Igneous

D. Apatite
3328. Botanical name of American cotton is_________________?
comments icon0
A. G. hirsutum

B. G. barb dense

C. Non of these

D. G. arborium

3329. In China, cotton was cultivated as a crop in._______________?
comments icon0

A. 7<sup>th</sup> century AD

B. 5<sup>th</sup> century AD

C. 10<sup>th</sup> century AD

D. 4th century AD
3330. The branch of Science which deals cultivation of land is called________________?
comments icon0
A. Agriculture

B. Geology

C. Petrology

D. Horticulture

3331. Cotton ginning machine was invented by_______________?
comments icon0
A. Withey

B. William Black

C. Thomas Hough ten

D. Thomas Wilson

3332. Gassypium arborium is__________________?
comments icon0
A. Diploid

B. Haploid

C. Triploid

D. Tetraploid

3333. Gassypium herbaceum was originated in______________?
comments icon0
A. South Mexico and Central America

B. Kenya and South Africa

C. Ethipia and South Africa

D. Indonesia and Central America

3334. Gassypium hirsutum was developed from a cross between________________?
comments icon0

A. G.arbarieum and G. rainmundii

B. G.arbarieum and G.herbaceum

C. G.arbarieum and G.thurberii

D. G.arbarieum and G.barbadense

3335. A foreign variety that is directly recommended for commercial cultivation is called_________________?
comments icon0

A. Hybrid variety

B. Blended variety

C. Exotic variety

D. Pure line variety

3336. Azolla which fixes nitrogen in rice field is__________________?
comments icon0

A. Bacteria

B. Ferm

C. None of the above

D. Fungi

3337. Geographical area of Pakistan in million hectare is_______________?
comments icon0

A. 60

B. 95

C. 80

D. none of the above

3338. A crop grown on residual moisture after harvesting rice is called__________________?
comments icon0

A. Barani crop

B. Ratoon crop

C. Sure crop

D. Dubari crop

3339. In 1991-92 the record production of cotton in Pakistan was_______________?
comments icon0

A. 1100,000 bales

B. 12800,000 bales

C. 1200,000 bales

D. 1000,000 bales

3340. The vegetation found on high altitude mountain is__________________?
comments icon0

A. None of the above

B. Alpine vegetation

C. Tundra vegetation

D. Conferous vegetation