Agriculture MCQs

In agriculture ” Khasra Girdawari” is: __________?

Option A: Crop inspection register name

Option B: Map of land

Option C: Title of land owner

Option D: Ownership authority name

Correct Answer: Crop inspection register name ✔

Plant pathology is the branch of ?

Option A: Botany

Option B: Agriculture

Option C: Zoology

Option D: None of these

Correct Answer: Agriculture ✔

Preferable form of nitrogen for rice under submerged soil conditions is __________?

Option A: NH4

Option B: NO3

Option C: NO2

Option D: All of these

Correct Answer: NH4 ✔

The study of physical environment, climate and soil in relation to development of agricultural plants and yield related (production amount, quality and capability of seeds-germination), is called:

Option A: Agrology

Option B: Agro-Ecology

Option C: Hyetology

Option D: None of the above

Correct Answer: Agro-Ecology ✔

The study of physical environment, climate and soil in relation to development of agricultural plants and yield related (production amount, quality and capability of seeds-germination), is called:

Option A: Agrology

Option B: Agro-Ecology

Option C: Hyetology

Option D: None of the above

Correct Answer: Agro-Ecology ✔

Heat, cold and frost resistance ideotype have been developed in__________?

Option A: Cereals

Option B: Pulses

Option C: Millet

Option D: None of the above

Correct Answer: None of the above ✔

The method of food preservation in which food containing permanently sealed container is subjected to an elevated for a definite period of time and than cooled is known__________?

Option A: Canning

Option B: Sterilization

Option C: Pasteurization

Option D: None of These

Correct Answer: Canning ✔

Fly larvae (maggots) move away from a bright source of light. This is an example of a __________?

Option A: Taxis

Option B: Reflex (involuntary movement)

Option C: Kinesis

Option D: Transverse orientation (Keeping a fix angle on a distance)

Correct Answer: Taxis ✔

An ommatidium is best defined as a: __________?

Option A: Subdivision of the ventral nerve cord

Option B: Functional unit of the compound eye

Option C: Mechanoreceptor used for proprioception

Option D: Ventral lobe of the insect’s brain

Correct Answer: Functional unit of the compound eye ✔

The agriculture sector of Pakistan generates ________% of employment.

Option A: 37.4

Option B: 40.5

Option C: 42.0

Option D: None of These

Correct Answer: 37.4 ✔

The Livestock Farm Rakh Mahni was established in ________?

Option A: April 1950

Option B: March 1950

Option C: April 1951

Option D: None of These

Correct Answer: April 1950 ✔

The force with which the particles of same body are held together is called__________?

Option A: Cohesion

Option B: Adhesion

Option C: Surface tension

Option D: All are correct

Correct Answer: Cohesion ✔

Absence Of Chlorophyll is known as _______?

Option A: Agoun

Option B: Albinism

Option C: Acrodsome

Option D: None of these

Correct Answer: Albinism ✔

Crysanthemum is propagated by__________?

Option A: Suckers

Option B: Corms

Option C: Corals

Option D: None

Correct Answer: Suckers ✔

Almost one third of the land area through out the world is affected by land degradation. Pakistan’s agriculture sector though facilitates employment to >65% but is facing challenges from:

Option A: Erosion

Option B: Salinity

Option C: Waterlogging

Option D: All of the above

Correct Answer: All of the above ✔

Term forest is derived from: __________?

Option A: English word

Option B: French word

Option C: Latin word

Option D: None of the above

Correct Answer: Latin word ✔

Vegetation found in saline soils is termed by _________?

Option A: Halophyte

Option B: Hetrophyics

Option C: Viticphyics

Option D: Hortiphyics

Correct Answer: Halophyte ✔

Potassium nitrate is used in__________?

Option A: Medicine

Option B: Fertilizer

Option C: Salt

Option D: Glass

Correct Answer: Fertilizer ✔

Hymenoptera are almost_______ long.

Option A: 0.02 mm

Option B: 0.2 mm

Option C: 0.03 mm

Option D: 0.3 mm

Correct Answer: 0.2 mm ✔

In spermatogenesis, each spermatogonium increases in size to form a __________?

Option A: Spermatozoa

Option B: Spermatid

Option C: Primary oocyte

Option D: Spermatocyte

Correct Answer: Spermatocyte ✔

Auto polyploidy have been successfully exploited in _________?

Option A: Sugar beat

Option B: Sugarcane

Option C: Maize

Option D: Sunflower

Correct Answer: Sugar beat ✔

Line x tester analysis provides information about:________?

Option A: GCA & SCA variances

Option B: GCA & SCA effects

Option C: D & H components

Option D: All of these

Correct Answer: All of these ✔

In line x tester cross mating is done between:

Option A: Males & females

Option B: Among males

Option C: Among females

Option D: All of these

Correct Answer: Males & females ✔

The ventral tube on the first abdominal segment of a springtail:

Option A: Costa

Option B: Collophore

Option C: Embolium

Option D: Ectoparasitoid

Correct Answer: Collophore ✔

Parthenogenetic reproduction in which both male and female offspring are produced from unfertilized eggs:

Option A: Amphitoky

Option B: Anholocyclic

Option C: Ambulacrum

Option D: None of the above

Correct Answer: Amphitoky ✔

A tail, including the tail-like structure of an aphid:_______?

Option A: Cenchri

Option B: Annulate

Option C: Apical

Option D: Cauda

Correct Answer: Cauda ✔

The arrangement (disposition and number) of bristles or setae on the body and appendages – of particular importance in the classification of Diptera and mites:

Option A: Chaetotaxy

Option B: Chela

Option C: Chitin

Option D: Both b & c

Correct Answer: Chaetotaxy ✔

Which element is deficient in milk _________?

Option A: Iron

Option B: Phosphorus

Option C: Sodium

Option D: Calcium

Correct Answer: Iron ✔

Mulches are mainly used to reduce?

Option A: Transpiration

Option B: Evaporation

Option C: Evapotranspiration

Option D: All of above

Correct Answer: All of above ✔

Most of the summer vegetables are_________?

Option A: Annual

Option B: Biennial

Option C: Perennial

Option D: None of these

Correct Answer: Annual ✔

The coprophilic fungi inhabit:

Option A: Dung substratum (herbivore feces)

Option B: Deadwood

Option C: Decaying leaves

Option D: Food articles

Correct Answer: Dung substratum (herbivore feces) ✔

Erysiphe caused the _________ disease?

Option A: Powdery mildews

Option B: Downy mildews

Option C: Covered smut

Option D: Late blight of potato

Correct Answer: Powdery mildews ✔

World Agriculture Day is celebrated on:__________?

Option A: 12th May

Option B: 11th June

Option C: 22nd April

Option D: None of the above

Correct Answer: 11th June ✔

Pakistan has three storage reservoirs, tarbela, chashma & Mangla and __________ barrages:

Option A: 16

Option B: 17

Option C: 18

Option D: 19

Correct Answer: 19 ✔

Plants which grow on sandy soils:_________?

Option A: Chasmophytes

Option B: Lithophytes

Option C: Psammophytes

Option D: None of these

Correct Answer: Psammophytes ✔

The popular varieties of dates produced in the province of Balochistan, Makran division are:

Option A: Kahraba

Option B: Begum jangi

Option C: Mozwati

Option D: Both B & C

Correct Answer: Both B & C ✔

Sprinkler irrigation is suitable, where soil has:_________?

Option A: Clayey texture

Option B: Undulating topography

Option C: Loamy texture

Option D: All of these

Correct Answer: All of these ✔

Green manures are mostly used as a source of:_________?

Option A: Zink

Option B: Nitrogen

Option C: Oxygen

Option D: None of these

Correct Answer: Nitrogen ✔

Maize can grow very well in the soils pH ranging from:__________?

Option A: 3.5-4.5

Option B: 6-8.5

Option C: 5.5-7.5

Option D: None of these

Correct Answer: 5.5-7.5 ✔

The horizontal flow of water in irrigation channel or canal leading to water loss is called as:_________?

Option A: Infiltration

Option B: Percolation

Option C: Seepage

Option D: All of these

Correct Answer: Seepage ✔

Chlorophyll contain which mineral nutrient?

Option A: Ca

Option B: Mg

Option C: S

Option D: P

Correct Answer: Mg ✔

Which nutrients are immobile in plants?

Option A: Ca only

Option B: B only

Option C: P only

Option D: Both Ca & B

Correct Answer: D. Both Ca & B ✔

The highest Cation Exchange Capacity is in:_________?

Option A: Sandy Soil

Option B: Clay soil

Option C: Gravely soil

Option D: Both A & C

Correct Answer: Clay soil ✔

Fossils are found in which type of rock:

Option A: Sedimentary rock

Option B: Metamorphic rock

Option C: Stratified rock

Option D: Both A & C

Correct Answer: Both A & C ✔

A & B horizon is called as:________?

Option A: Regolith

Option B: Poly-pedon

Option C: Series

Option D: None of the above

Correct Answer: None of the above ✔

Availability of Phosphorus is maximum at:__________?

Option A: Neutral

Option B: Alkaline

Option C: Acidic

Option D: None of these

Correct Answer: Neutral ✔

Flow of nitrogen in soil due to:_________?

Option A: Diffusion

Option B: Interception

Option C: Mass flow

Option D: None of the above

Correct Answer: Mass flow ✔

Field Capacity is a point at which?

Option A: All the macro & micropores in the soil are filled with water

Option B: All the macropores filled with water & the micropores filled with air

Option C: All the macropores filled with air & the micropores filled with water

Option D: All of the above wrong

Correct Answer: All the macropores filled with air & the micropores filled with water ✔

Which of the following nutrient play the most effective role in controlling rate of transpiration:

Option A: Potassium

Option B: Zinc

Option C: Phosphorus

Option D: Mg

Correct Answer: Potassium ✔

Which is the correct sequence of soil erosion by water:

Option A: Rill-Sheet-Gully

Option B: Gully-Sheet-Rill

Option C: Sheet-Rill-Gully

Option D: None of these

Correct Answer: Sheet-Rill-Gully ✔

The clay fraction of the soil contains particles less than 0.002 mm. Particles

Option A: Soil Silt

Option B: Soil colloids

Option C: Soil loam

Option D: Soil sand

Correct Answer: Soil colloids ✔

Soil order Vertisol is related to:_________?

Option A: Black soils

Option B: River soils

Option C: Marine deposits

Option D: Both B & c

Correct Answer: Black soils ✔

Which type of structure is dominant in grasslands:

Option A: Prismatic & Columnar

Option B: Spheroidal or Sphere-like

Option C: Angular blocky Sub-angular blocky

Option D: Platy & Luminar

Correct Answer: Spheroidal or Sphere-like ✔

The study of relationship between soil properties & plant production is known as:_________?

A. Pedology
B. Soil Science
C. Agronomy
D. None of these

Submitted by: Shafiq Rehman

Correct Answer: B. Soil Science ✔

Soil conservation is performed by:_________?

Option A: Cutting trees

Option B: Excessive grazing

Option C: By plantation

Option D: By heavy irrigation

Correct Answer: By plantation ✔

One of the following is not a form of water erosion:

Option A: Saltation

Option B: Rainsplash erosion

Option C: Sheet erosion

Option D: Rill erosion

Correct Answer: Saltation ✔

“Wash-in” takes place in which horizon?

Option A: E

Option B: O

Option C: B

Option D: A

Correct Answer: B ✔

The soil texture refers to the relative proportion of sand,__________ and clay:

Option A: Stone

Option B: Soil

Option C: Rock

Option D: Silt

Correct Answer: Silt ✔

The capacity of a soil to function on sustained basis promoting plant and animal health:

Option A: Soil Quality

Option B: Soil Pollution

Option C: Soil Salinity

Option D: None of these

Correct Answer: Soil Quality ✔

Effects of soil pollution may also include:__________?

Option A: Pollution runs-off into rivers & kills the fish, plant & other aquatic life

Option B: Crops & fodder grown on polluted soil may pass the pollutants on to the consumers

Option C: Soil structure is damaged or polluted soil may no longer grow crops & fodder

Option D: All of the above

Correct Answer: All of the above ✔

Chemicals, used for controlling the disease of crops, fruits & vegetables is__________ & chemical prepared for controlling insect-pests ——————-:

Option A: Insecticides—Herbicides

Option B: Fungicides—Insecticides

Option C: Weedicides—insecticides

Option D: None of the above

Correct Answer: B. Fungicides—Insecticides ✔

Soils are also contaminated by a number of inorganic compounds which are also high toxic to human & other animals & are extremely poisonous may include:

Option A: Arsenic & Cadmium

Option B: Mercury & chromium

Option C: Calcium & Magnesium

Option D: Both A & B

Correct Answer: Both A & B ✔

Moderately toxic compound:_________?

Option A: Lead

Option B: Fluorine

Option C: Nickle

Option D: All of the above

Correct Answer: All of the above ✔

Nitrogen & sulphur dioxide liberate from motor vehicles & industries. Nitrogen & Sulphur gases dissolve in the water vapour of atmosphere & form nitric & sulphuric acid. This rain water falls on soil as__________ & contaminates soil also:

Option A: Acid rain

Option B: Neutral rain

Option C: Both A & B

Option D: None of the above

Correct Answer: Acid rain ✔

Who is known as “the father of Hybrid Rice”?

Option A: Yaun Longping

Option B: Yaun Pingpong

Option C: Zuhee yaun

Option D: None of these

Correct Answer: Yaun Longping ✔

Items needed for synthesis of plant food in green leaves are _________ & the process through which it takes place is called photosynthesis:

Option A: Sunlight

Option B: Chlorophyll

Option C: Water & plant nutrients

Option D: All of the above

Correct Answer: All of the above ✔

The lower leaves turn yellow and in some crops they quickly start drying up as if suffering from shortage of water, stunted growth, leaves & fruits shedding & whole plant becomes yellow, are deficiency symptoms of:_________?

Option A: Potash

Option B: Nitrogen

Option C: Calcium

Option D: Both a & c

Correct Answer: Nitrogen ✔

From the sources of plant nutrients availability in soil, which of the following statements are correct:

Option A: The plant absorbs carbon as carbondioxides directly from the atmosphere.

Option B: Water is the source of hydrogen

Option C: Air & water is the source of oxygen & the chief source of soil nitrogen is organic matter & when organic matter decomposes it gives ammonia.

Option D: All of the above

Correct Answer: All of the above ✔

Ammonium sulfate fertilizer containing 21% N & 24% S, is best in top dressing in:_________?

Option A: Barley

Option B: Rice

Option C: Date palm

Option D: None of these

Correct Answer: Rice ✔

Immobile nutrient in soil is:_________?

Option A: P

Option B: N

Option C: Mg

Option D: None of the above

Correct Answer: P ✔

Irregular rock masses formed in the pre-existing cracks & crevices are:__________?

Option A: Sills

Option B: Dikes

Option C: Lacoliths

Option D: Batholiths

Correct Answer: Sills ✔

Azotobacter fixes atmospheric nitrogen in the soil by:__________?

Option A: Symbiotically

Option B: Non-symbiotically

Option C: Can fix A & B

Option D: None of these

Correct Answer: Non-symbiotically ✔

Maximum fixation of K occurs:__________?

Option A: 1:1 clay mineral

Option B: 1:2 clay mineral

Option C: 2:1 clay mineral

Option D: 2:2 clay mineral

Correct Answer: 2:1 clay mineral ✔

Conversion of inorganic P to organic P is known as:_________?

Option A: Mineralization

Option B: Immobilization

Option C: Solubilization

Option D: both A & C

Correct Answer: Immobilization ✔

N and P sprayed on the leaves at time of flowering results in:________?

Option A: Increase in fruit yield

Option B: Improve their protein

Option C: Increase fruit yeid & protein

Option D: None of these

Correct Answer: Increase fruit yeid & protein ✔

How many type of soil colloids?

Option A: 4

Option B: 2

Option C: 6

Option D: 5

Correct Answer: 2 ✔

Auxin is_______?

Option A: An enzyme

Option B: A vitamin

Option C: A hormone

Option D: A protein

Correct Answer: A hormone ✔

Sugarcane + Potato is an intercropping system of_________?

Option A: Zaid season

Option B: Spring Season

Option C: Rainy season

Option D: Autumn season

Correct Answer: Autumn season ✔

Agronomy is a branch of Agriculture that deals with________?

Option A: Protection of crops from diseases & pests

Option B: Principles & practice of crop production

Option C: Principles of field management for crop production

Option D: Breeding of crop plants

Correct Answer: Principles of field management for crop production ✔

The rice inflorescence is called_________?

Option A: Arrow

Option B: Cob

Option C: Panicle

Option D: Ear

Correct Answer: Panicle ✔

An illustration of an organic material is__________?

Option A: Perlite

Option B: Leaf mold

Option C: Vermiculite

Option D: Pea gravel

Correct Answer: Leaf mold ✔

Which area of Pakistan is best for agriculture________?

Option A: Sindh

Option B: Baluchistan

Option C: Kpk

Option D: Punjab

Correct Answer: Punjab ✔

Maize plant belong to_________?

Option A: CAM

Option B: C3 plant

Option C: C4 plants

Option D: None of above

Correct Answer: C4 plants ✔

Wheat plant belong to__________?

A. CAM
B. C3 plant
C. C4 plants
D. None of above

Submitted by: Mukhtir Ali jan

Correct Answer: B. C3 plant ✔

Raising of two or more crops in the same field or in year is called_________?

Option A: Monocropping

Option B: Harvest cropping

Option C: Multiple cropping

Option D: None of these

Correct Answer: Multiple cropping ✔

Raising of only one crop in a year when there is seasonal supply of water is called_________?

Option A: Multiple cropping

Option B: Monocropping

Option C: Harvest cropping

Option D: None of these

Correct Answer: Monocropping ✔

The physical condition of soil is called________?

Option A: Tillage

Option B: Tiller

Option C: Tilth

Option D: None of these

Correct Answer: Tilth ✔

If the quantity of organic matter is more than 50% is called________?

Option A: Clay soil

Option B: Sandy soil

Option C: Peat soil

Option D: All of these

Correct Answer: Peat soil ✔

These crops are planted in winter from October to December and harvested in summer from March to May is called______?

Option A: Kharif crops

Option B: Rabi crops

Option C: Relay crops

Option D: All of these

Correct Answer: Rabi crops ✔

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

Option A: Delta of water

Option B: Water required

Option C: Crop water required

Option D: None of these

Correct Answer: Delta of water ✔

The word ‘Agriculture’ is derived from__________?

Option A: Arabic

Option B: Greek

Option C: French

Option D: None of the above

Correct Answer: None of the above ✔

Worlds major food crops belong to which of the following family?

Option A: Palmaceae

Option B: Moraceae

Option C: Both a & b

Option D: Gramineae

Correct Answer: Gramineae ✔

During storing food grains, what is the optimum level of moisture?

A. < 2%
B. < 5%
C. < 12 %
D. No moisture level required

Submitted by: Shafiq Rehman

Correct Answer: C. < 12 % ✔

Which of the following is not a legume crop?

Option A: Ground nut

Option B: Beans

Option C: Wheat

Option D: Peas

Correct Answer: Wheat ✔

Which of the following is not known as grass family?

Option A: Cypraceae

Option B: Palmaceae

Option C: Liliaceae

Option D: None of the above

Correct Answer: None of the above ✔

Which one of the following is a high salt tolerant crop?

A. Moong
B. Arhar
C. Both a & b
D. Lucerne

Submitted by: Shafiq Rehman

Correct Answer: Lucerne ✔

Which one of the following crops is not cultivated under dry land farming?

Option A: Jowar

Option B: Ground nut

Option C: Sugarcane

Option D: All of the above

Correct Answer: Sugarcane ✔

Which one of the following acid does not exists in gram leaves?

Option A: Puric acid

Option B: Sulphuric acid

Option C: Olic acid

Option D: Both b & c

Correct Answer: Both b & c ✔

Which one is most dangerous insect of cotton crop?

Option A: Spotted holl worm

Option B: Jassids

Option C: Both a & b

Option D: Pink ball worm

Correct Answer: Pink ball worm ✔

Which one is a non-convential oil seed crop?

Option A: Ground nut

Option B: Safflower

Option C: Gingelley

Option D: None of the above

Correct Answer: None of the above ✔