Class 9 Practice Level 2 - Improvement in Food Resources - Set 2

Total questions: 25

Which of the following is a biotechnological method for crop improvement?

Topic: Crop Variety Improvement

Tissue culture

Monoculture

Polyhouse farming

Organic farming

None

Which nutrient is essential for the growth and development of livestock?

Topic: Animal Nutrition

Carbohydrates

Fats

Proteins

Vitamins

None

Which element is commonly used to correct acidic soil conditions?

Topic: Soil Fertility

Nitrogen

Phosphorus

Potassium

Lime (Calcium carbonate)

None

Which irrigation method involves flooding the entire field with water?

Topic: Irrigation Techniques

Drip irrigation

Furrow irrigation

Surface irrigation

Sprinkler irrigation

None

Which biological control agent is commonly used to manage pest populations in agriculture?

Topic: Crop Protection Management

Bacillus thuringiensis

Glyphosate

Atrazine

Malathion

None

Which practice is a key component of sustainable agriculture?

Topic: Sustainable Agriculture

Overuse of chemical fertilizers

Soil and water conservation

Monocropping

Extensive use of synthetic pesticides

None

In a hydroponic system, what replaces soil for plant support and nutrient delivery?

Topic: Hydroponics

Sand

Rockwool

Gravel

Coconut coir

None

Which disease is prevented by vaccinating cattle against foot-and-mouth disease?

Topic: Animal Husbandry

Brucellosis

Mastitis

Anthrax

Foot-and-mouth disease

None

Which type of manure is derived from decomposed animal excreta and plant residues?

Topic: Manure and Fertilizers

Green manure

Compost

Farmyard manure (FYM)

Vermicompost

None

10.

Which crop is commonly used in crop rotation to fix atmospheric nitrogen?

Topic: Crop Rotation

Wheat

Rice

Soybean

Cotton

None

11.

Which organic waste is most suitable for vermicomposting?

Topic: Vermicomposting

Plastic waste

Kitchen scraps

Metal waste

Glass waste

None

12.

Which vitamin deficiency is commonly associated with poor eggshell quality in poultry?

Topic: Poultry Farming

Vitamin A

Vitamin B

Vitamin C

Vitamin D

None

13.

Which practice is crucial for maintaining water quality in fish farming?

Topic: Aquaculture

Overfeeding fish

Regular water exchange and aeration

Using untreated wastewater

Increasing fish stocking density

None

14.

Which microorganism is used as a biofertilizer for leguminous crops?

Topic: Biofertilizers

Pseudomonas

Rhizobium

Aspergillus

Penicillium

None

15.

What is the purpose of backcross breeding in plant breeding programs?

Topic: Plant Breeding

To introduce new genes into a population

To remove undesirable traits from a population

To create genetic diversity

To produce hybrids with uniform traits

None

16.

Which practice helps prevent soil compaction in agricultural fields?

Topic: Soil Management

Overgrazing

Continuous ploughing

Crop rotation and reduced tillage

Excessive irrigation

None

17.

Which genetically engineered trait is commonly introduced in crops to increase their resistance to herbicides?

Topic: Genetic Engineering

Insect resistance

Disease resistance

Herbicide tolerance

Drought tolerance

None

18.

Which practice is used to protect crops from fungal infections?

Topic: Crop Protection

Using insecticides

Applying fungicides

Mulching

Crop rotation

None

19.

Which irrigation method is best suited for areas with limited water availability?

Topic: Water Management

Flood irrigation

Furrow irrigation

Drip irrigation

Surface irrigation

None

20.

Which breeding method involves the selection of plants with desirable traits over several generations?

Topic: Crop Improvement

Mass selection

Hybridization

Mutation breeding

Genetic engineering

None

21.

Which equipment is commonly used for harvesting crops?

Topic: Farm Mechanization

Plow

Harvester

Seeder

Sprinkler

None

22.

Which tree species is commonly used in agroforestry systems for its nitrogen-fixing ability?

Topic: Agroforestry

Oak

Pine

Acacia

Eucalyptus

None

23.

Which practice helps in the efficient utilization of nutrients by crops?

Topic: Nutrient Management

Overapplication of fertilizers

Split application of fertilizers

Using only organic fertilizers

Applying fertilizers once a year

None

24.

What is the primary advantage of integrated farming systems?

Topic: Integrated Farming

Increased dependence on chemical inputs

Reduced agricultural diversity

Enhanced resource use efficiency and sustainability

Focus on monoculture

None

25.

Which fungal disease commonly affects wheat crops?

Topic: Plant Diseases

Blast

Rust

Wilt

Smut

None

1 out of 25

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Class 9 Practice Level 2 - Improvement in Food Resources - Set 2

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