Multiple Choice Questions
IMPROVEMENT IN FOOD RESOURCES
Practice Questions with Answers
Total 80 questions available
Q. 1
Find the odd one out.
A
MaizeB
Pigeon peaC
MilletsD
SorghumClick an option to check your answer
Q. 2
What is the primary process by which plants make food?
A
RespirationB
PhotosynthesisC
FermentationD
TranspirationClick an option to check your answer
Q. 3
Determine the mineral nutrient/element whose loss is compensated by growing a pulse crop between two cereal crops.
A
NitrogenB
SulphurC
CalciumD
MagnesiumClick an option to check your answer
Q. 4
Which season is referred to as the 'kharif' season?
A
From November to AprilB
From March to JuneC
From July to DecemberD
From June to OctoberClick an option to check your answer
Q. 5
Inland fishery refers to...
A
Culturing fish in freshwater bodiesB
Extraction of oil from fishC
Deep sea fisheriesD
Capturing fish from sea coastClick an option to check your answer
Q. 6
What is a significant factor affecting storage losses in grains?
A
Excessive sunlightB
High pricesC
Inappropriate moistureD
Crop rotationClick an option to check your answer
Q. 7
What do vegetables, spices, and fruits mainly provide?
A
FatsB
CarbohydratesC
ProteinsD
Vitamins and mineralsClick an option to check your answer
Q. 8
What is composting?
A
The process of mulching green plants into the soilB
The decomposition of farm waste in pitsC
A method of applying fertilizersD
A method of producing inorganic fertilizersClick an option to check your answer
Q. 9
What is organic farming?
A
A system that uses only inorganic fertilizersB
A farming system that minimizes chemical useC
A system that incorporates mixed cropping and crop rotationD
A system that uses only bio-pesticidesClick an option to check your answer
Q. 10
Green manuring increases the crop yield by:
A
80-90%B
15-25%C
30-50%D
5-10%Click an option to check your answer
Q. 11
Which of the following combination of crop will give maximum yield in mixed cropping?
A
Wheat + milletB
Wheat + maizeC
Oat + RiceD
Wheat + peanutClick an option to check your answer
Q. 12
In mixed cropping, which two crops cannot be grown together?
A
Wheat and maizeB
Sorghum and pigeon peaC
Maize and urad beanD
Wheat and mustardClick an option to check your answer
Q. 13
What determines the cropping system and production practices for farmers?
A
The financial conditions of the farmerB
Availability of informationC
Weather conditionsD
Access to technologyClick an option to check your answer
Q. 14
Weeds affect the crop plants by
A
killing of plants in field before they growB
dominating the plants to growC
competing for various resources of crops (plants) causing low availability of nutrientsD
all of theseClick an option to check your answer
Q. 15
What is an important factor for new crop varieties to be accepted?
A
If the crop variety is drought-resistantB
If the crop resists biotic stressesC
If the crop variety produces high yields under different conditionsD
If the crop variety responds to fertilizersClick an option to check your answer
Q. 16
Which of the following crops are grown in the rabi season?
A
Cotton and maizeB
Wheat and gramC
Paddy and soyabeanD
Mustard and linseedClick an option to check your answer
Q. 17
What are fertilizers primarily used for?
A
To ensure good vegetative growthB
To supply organic matter to plantsC
To provide organic matterD
To supply nitrogen, phosphorus, and potassiumClick an option to check your answer
Q. 18
How many nutrients that are essential for plant growth are supplied by soil?
A
TwelveB
ThirteenC
SixteenD
SixClick an option to check your answer
Q. 19
Green manure enriched soil in:
A
Carbon and oxygenB
Nitrogen and sulphurC
Nitrogen and phosphorusD
Nitrogen and calciumClick an option to check your answer
Q. 20
Which preventive measure is taken before storing grains?
A
Ignoring cleanlinessB
Strict cleaningC
Storing without treatmentD
Improper dryingClick an option to check your answer
Q. 21
Which of the following is NOT a type of irrigation system mentioned?
A
WellsB
CanalsC
TanksD
Sprinkler systemsClick an option to check your answer
Q. 22
Which of the following nutrients are absorbed by plants in large quantities from soil?
A
SulphurB
ManganeseC
IronD
ZincClick an option to check your answer
Q. 23
Which of the following nutrient is obtained from air by plants?
A
PhosphorusB
NitrogenC
OxygenD
PotassiumClick an option to check your answer
Q. 24
What is the process called when farm waste is decomposed by earthworms?
A
Green manureB
Organic farmingC
Vermi-compostD
CompostingClick an option to check your answer
Q. 25
What is the primary dependence of agriculture in India?
A
Timely monsoonsB
Organic farmingC
Chemical fertilizersD
Advanced machineryClick an option to check your answer
Q. 26
Which breed is an example of an Indian indigenous breed used in poultry farming?
A
LeghornB
White Plymouth RockC
AseelD
Rhode Island RedClick an option to check your answer
Q. 27
Developing crop varieties with wider adaptability will help in stabilizing crop production, because
A
that variety can be grown under same climatic conditionsB
that variety will have resistance to a wide variety of pestsC
a single variety can be grown under different climatic conditions in different regionsD
that variety will be higher yielding than many other varietiesClick an option to check your answer
Q. 28
What is the function of manure in clayey soils?
A
To reduce water holding capacityB
To improve drainage and prevent water loggingC
To retain moisture in the soilD
To increase the soil's water retention capacityClick an option to check your answer
Q. 29
Which of the following is a weed?
A
CowpeaB
LinseedC
Sudan grassD
PartheniumClick an option to check your answer
Q. 30
Which one of the following nutrients is not available in fertilizers?
A
PotassiumB
IronC
NitrogenD
PhosphorusClick an option to check your answer
Q. 31
Which method helps in increasing groundwater levels?
A
Chemical fertilizersB
Rainwater harvestingC
Mono-croppingD
PesticidesClick an option to check your answer
Q. 32
Which of the following is incorrect for green manure?
A
It supplies organic matterB
It prevents soil erosionC
It allows leachingD
It supplies nitrogenClick an option to check your answer
Q. 33
Pusa Lerma is an improved variety of:
A
WheatB
SoyabeanC
RiceD
MaizeClick an option to check your answer
Q. 34
What is the main purpose of crop rotation?
A
Increase crop pricesB
Prevent soil erosionC
Promote monocultureD
Optimize nutrient useClick an option to check your answer
Q. 35
Which of the following do not cause disease in plants?
A
BacteriaB
RatsC
VirusD
FungiClick an option to check your answer
Q. 36
Which of the following nutrients are supplied by air to plants?
A
Oxygen and hydrogenB
Carbon and oxygenC
Hydrogen and nitrogenD
Nitrogen and phosphorusClick an option to check your answer
Q. 37
What is hybridisation in crop variety improvement?
A
Crossing between plants of the same varietyB
Crossing between genetically dissimilar plantsC
Crossing between genetically similar plantsD
Crossing plants from the same familyClick an option to check your answer
Q. 38
How can we improve crop yield?
A
Fertilizer applicationB
Crop variety improvementC
Using traditional methodsD
Crop rotation techniquesClick an option to check your answer
Q. 39
What are fodder crops used for?
A
Export purposesB
Seed productionC
Livestock foodD
Human consumptionClick an option to check your answer
Q. 40
Which of the following are oil seeds?
A
Sesame and castorB
Wheat and riceC
Vegetables and fruitsD
Pulses and cerealsClick an option to check your answer
Q. 41
The system of culturing five or six species of fish with different food habits, in a fishpond, is called
A
composite fish cultureB
maricultureC
capture fishingD
piscicultureClick an option to check your answer
Q. 42
What is an intervarietal hybridisation?
A
Crossing between plants of different familiesB
Crossing between different species of the same genusC
Crossing between different varietiesD
Crossing between plants of the same genusClick an option to check your answer
Q. 43
What is manure composed of?
A
Inorganic plant nutrientsB
Inorganic fertilizersC
Decomposed animal excreta and plant wasteD
Chemically synthesized nutrientsClick an option to check your answer
Q. 44
Green manure refers to...
A
The organic manure prepared by green wormsB
The manure used by small green plantsC
The plants grown and mulched...D
The organic manure added before ploughingClick an option to check your answer
Q. 45
The process of crossing genetically dissimilar plants of a species is called
A
intervarietal crossB
interspecific crossC
intergeneric crossD
all of theseClick an option to check your answer
Q. 46
Which of the following is not considered a primary nutrient for plants?
A
PhosphorusB
OxygenC
NitrogenD
PotassiumClick an option to check your answer
Q. 47
Continuous use of fertilizers can destroy soil fertility because
A
organic matter is not replenishedB
microbes in the soil are harmedC
both (a) and (b)D
None of the aboveClick an option to check your answer
Q. 48
What are macro-nutrients?
A
Nutrients required in small quantitiesB
Nutrients required in large quantitiesC
Nutrients required in trace amountsD
Nutrients required in medium quantitiesClick an option to check your answer
Q. 49
How is vermi-composting different from regular composting?
A
It uses worms to accelerate decompositionB
It uses mechanical processes for faster compostingC
It speeds up the plant growth processD
It allows faster decomposition of chemicalsClick an option to check your answer
Q. 50
Plants can be made disease-resistant by...
A
HybridisationB
Genetic modificationC
Both Hybridisation and Genetic modificationD
Use of antibioticsClick an option to check your answer
Q. 51
Which of the following is a common method of controlling pests?
A
IntercroppingB
PesticidesC
Crop rotationD
Hand-pickingClick an option to check your answer
Q. 52
Choose the correctly matched pair.
A
Rabi crops - Mustard, Linseed, WheatB
Kharif crops - Wheat, Gram, PeasC
White Revolution - Increased food-grain productionD
Green Revolution - Increased milk productionClick an option to check your answer
Q. 53
What are weeds?
A
Pests affecting cropsB
Soil nutrientsC
Unwanted plantsD
Beneficial plantsClick an option to check your answer
Q. 54
Application of nitrogenous manure to a plant causes:
A
Early floweringB
Growth retardationC
Early fruitingD
Vigorous vegetative growthClick an option to check your answer
Q. 55
Why is a shorter maturity duration in crops beneficial?
A
It allows for better quality of produceB
It allows for growing multiple crops in a yearC
It reduces the cost of crop productionD
It allows for uniform maturity, easing harvestingClick an option to check your answer
Q. 56
Catlas feed on the ______________ of the water body.
A
grasses/weedsB
surfaceC
middle zoneD
bottom zoneClick an option to check your answer
Q. 57
What do pulses provide in our diet?
A
FatsB
ProteinsC
CarbohydratesD
VitaminsClick an option to check your answer
Q. 58
Find out the wrong statement from the following
A
White revolution is meant for increase in milk productionB
Blue revolution is meant for increase in fish productionC
Increasing food production without compromising with environmental quality is called as sustainable agricultureD
None of the aboveClick an option to check your answer
Q. 59
Mixed cropping and intercropping involve growing two or more crops simultaneously on the same field; but the latter differs from the former in that
A
crops are provided with only organic manures and biofertilisers.B
cropping is practiced along with rearing of animals.C
it reduces risk and gives insurance against failure of crops.D
the different crops are grown in different rows alternating with each other.Click an option to check your answer
Q. 60
Among the following which is not a macronutrient?
A
NitrogenB
CarbohydratesC
PhosphorusD
SulphurClick an option to check your answer
Q. 61
What is a major benefit of mixed cropping in agriculture?
A
Increased risk due to dependence on multiple cropsB
Reduced risk and insurance against crop failureC
Higher vulnerability to pests and diseasesD
Decreased overall nutrient utilizationClick an option to check your answer
Q. 62
What is a desirable agronomic characteristic in fodder crops?
A
DwarfnessB
TallnessC
Profuse branchingD
Uniform maturityClick an option to check your answer
Q. 63
What is mixed cropping?
A
Planting crops in rowsB
Using a single cropC
Growing different crops togetherD
Growing crops in successionClick an option to check your answer
Q. 64
Among the following which is the major cause of crop failure in India?
A
Inadequate supply of fertilizers and manuresB
Soil conditionsC
Pest attackD
Monsoon failureClick an option to check your answer
Q. 65
Choose the correctly matched pair.
A
Tanks - Receive water from reservoirsB
River Lift Systems - Water from riversC
Dug wells - Water tapped from deeper strataD
Tube wells - Water collected from strataClick an option to check your answer
Q. 66
Choose the correctly matched pair.
A
Catla - Surface feederB
Peneaus monodon - Fresh water prawnC
Rohu - Bottom feederD
Apis mellifera - Indian beeClick an option to check your answer
Q. 67
Which of the following cannot be used in organic farming?
A
Farm-wastesB
HerbicidesC
Crop rotationD
Bio-pesticidesClick an option to check your answer
Q. 68
What is a potential disadvantage of excessive fertilizer use?
A
It harms microorganisms and soil fertility over timeB
It improves soil fertilityC
It increases crop yield in the long termD
It helps in better crop rotationClick an option to check your answer
Q. 69
How can genetically modified crops be developed?
A
By introducing a gene with the desired characteristicB
By introducing biotic resistanceC
By breeding two similar plantsD
By crossing plants from different generaClick an option to check your answer
Q. 70
What is green manure?
A
Chemically synthesized plant nutrientsB
Green plants ploughed into the soil before sowingC
The use of crop residues as fertilizersD
The addition of organic matter to soil through irrigationClick an option to check your answer
Q. 71
Why are crop varieties with tolerance to high soil salinity useful?
A
Because they resist abiotic stresses like droughtB
Because soil salinity affects water availability for cropsC
Because it leads to higher yieldsD
Because they reduce water requirementsClick an option to check your answer
Q. 72
What is one desirable trait developed through cross-breeding in poultry farming?
A
Low maintenance requirementsB
High feather productionC
Increased water consumptionD
Reduced egg-laying capacityClick an option to check your answer
Q. 73
What is the purpose of developing crop varieties for wider adaptability?
A
It helps in stabilizing crop productionB
It allows farmers to plant in multiple soil typesC
It ensures crops survive drought and flood conditionsD
It allows for stable yields in different regionsClick an option to check your answer
Q. 74
Which crops provide carbohydrates for energy requirements?
A
Vegetables and fruitsB
Cereals like wheat and riceC
Pulses like gram and peasD
Oil seeds like mustardClick an option to check your answer
Q. 75
Which irrigation system is more useful in areas where canal flow is insufficient or irregular?
A
Canal systemB
TanksC
River lift systemD
WellsClick an option to check your answer
Q. 76
What are photoperiods related to?
A
Water availabilityB
Temperature levelsC
Soil qualityD
Duration of sunlightClick an option to check your answer
Q. 77
Which of the following is a factor considered for variety improvement?
A
To improve the oil quality of seedsB
To improve soil salinityC
To improve crop heightD
To increase disease resistanceClick an option to check your answer
Q. 78
Genetically modified plants can be produced by transferring desired:
A
CytoplasmB
CarbohydratesC
GenesD
ProteinsClick an option to check your answer
Q. 79
What type of pest damage involves sucking cell sap?
A
Leaf cuttingB
Sap-suckingC
Stem boringD
Root damageClick an option to check your answer
Q. 80
Which of the following is not a marine fish?
A
SardinesB
CatlaC
MackerelD
PomfretClick an option to check your answer
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