Improvement in food resources - Quiz 3

Class 9 : Improvement in food resources : Quiz 3

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1. Which of the following is not the aim of animal husbandry?

Increased fibrous output per animal

Improvement in animal breeds

Increased resistance to diseases

All are aims of animal husbandry

2. GMO stands for:

Generally Moulded Organisms

Genetically Modified Organisms

Genetically Moulded Organisms

Generally Modified Organisms

3. In mixed cropping, what purpose do to the crops serve for each other?

Provide shade

Utilise nutrients efficiently

Decrease pests and diseases

All of the above

4. What is the main advantage of inter-cropping?

Increases soil fertility

Reduces crop diseases

Increases productivity

All of the above

5. Bacillus thuringiensis (Bt) is used as:

Bio fertilizers

Organic fertilizers

Bio-pesticides

A crop plant

6. The accumulation of pesticides in the food chain in increased quantities at each higher trophic level is known as:

Pollution

Fertilization

Bioamplification

Trophic transfer

7. The “Beehive” is used for:

Growing plants

Storing honey

Storing grain

Breeding chickens

8. Which farming system combines the raising of fish and growing of crops together?

Mono farming

Mixed farming

Aquaponics

Monoculture

9. Farmer’s variety or Desi variety animals are known for:

Better health

Resistance to diseases

Ability to withstand harsh environmental conditions

Both b and c

10. Polyculture in fishery management refers to:

The culture of single species of fish

The culture of only plants

The culture of multiple species of fish

None of these

11. What is the main disadvantage of broad-spectrum pesticides?

They kill beneficial insects

They are expensive

They are difficult to manufacture

None of the above

12. Genetic manipulation includes the following techniques except:

Genetic engineering

DNA sequencing

Crossbreeding

Antibiotic resistance

13. What is the ultimate source of organic farming?

Minerals in the earth

Living organisms and their bi-products

Animal waste

Chemical fertilizers

14. In poultry farming, to get a new variety having desired characters of two different varieties, we perform:

Cross-breeding

Interbreeding

Backcrossing

Inbreed

15. Irrigation efficiency can be increased by:

Surface irrigation

Flooding farmland

Deep irrigation

Drip irrigation

16. What is the use of weedicides?

To kill unwanted plants

To kill pests

To increase soil fertility

None of the above

17. What is represented by the practice of contour bunding?

Watershed management

Fishery management

Weed management

Manure management

18. What are the two most important geophysical aspects of watershed management?

Water harvesting and groundwater recharge

Soil and crop management

Air quality and temperature

Ecosystem and biodiversity

19. What is the role of earthworms in the improvement of soil fertility?

They eat harmful insects

They facilitate breakdown of complex organic matter

They destroy crop roots

They bind soil particles together

20. What are Vermi-composting pits used for?

Disposal of wastes and manures

Making fertilizers using earthworms

Harvesting

Storage of crops

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