[Kết nối] Trắc nghiệm Tự nhiên và xã hội 3 bài 9 Hoạt động sản xuất nông nghiệp

1. Which activity is part of the post-harvest stage in agriculture?

A. Plowing the field

B. Planting seeds

C. Storing and transporting the produce

D. Weeding the crops

2. What is the purpose of using fertilizers in farming?

A. To kill beneficial insects

B. To replace nutrients in the soil that are depleted by crops

C. To increase the amount of water in the soil

D. To make the plants grow slower

3. What is the purpose of weeding in agriculture?

A. To add nutrients to the soil

B. To provide shade for crops

C. To remove unwanted plants that compete with crops for resources

D. To increase the soils water retention

4. Which of the following describes organic farming?

A. Farming that uses a high amount of synthetic pesticides and fertilizers

B. Farming that avoids or minimizes the use of synthetic pesticides, fertilizers, and genetically modified organisms

C. Farming exclusively in urban areas

D. Farming that relies solely on artificial intelligence for crop management

5. What is the role of pollinators like bees in agriculture?

A. Destroying crops

B. Causing plant diseases

C. Facilitating the production of fruits and seeds by transferring pollen

D. Compacting the soil

6. What is the primary goal of selective breeding in livestock?

A. To create weaker animals

B. To increase the variety of wild animals

C. To enhance desirable traits such as faster growth, disease resistance, or higher yield

D. To make animals less useful for farming

7. Which factor is MOST crucial for the successful growth of most plants in agriculture?

A. Strong winds

B. Adequate sunlight, water, and fertile soil

C. Constant darkness

D. Salty water

8. What is the main product obtained from dairy farming?

A. Wool

B. Milk and milk products

C. Leather

D. Eggs

9. Which of the following is a primary activity in agricultural production?

A. Manufacturing goods in a factory

B. Providing healthcare services

C. Cultivating crops and raising livestock

D. Developing software programs

10. What is the main purpose of plowing the land before planting?

A. To decorate the field

B. To loosen the soil, improve aeration, and prepare it for seeds

C. To create a barrier against pests

D. To increase the water runoff from the field

11. What is the role of a farmer in agricultural production?

A. Designing buildings

B. Managing and carrying out farming activities

C. Teaching in schools

D. Selling goods in a market

12. Why is crop rotation important in sustainable agriculture?

A. To deplete soil nutrients faster

B. To increase reliance on chemical pesticides

C. To improve soil health, break disease cycles, and manage pests naturally

D. To reduce the amount of sunlight plants receive

13. What is threshing in the process of grain production?

A. Planting seeds in the soil

B. Separating the grain kernels from the rest of the plant

C. Watering the fields

D. Fertilizing the soil

14. What is the primary benefit of greenhouses in agriculture?

A. To expose crops to harsh weather conditions

B. To control environmental factors like temperature, humidity, and light for optimal plant growth

C. To reduce the need for water

D. To encourage pest infestation

15. Which of the following is an example of a staple crop grown for food?

A. Cotton

B. Rice

C. Rubber

D. Timber

16. Which farming practice aims to conserve soil and prevent erosion?

A. Deep plowing

B. Contour farming and cover cropping

C. Leaving fields bare after harvest

D. Intensive tillage

17. Which of the following is a method of pest control in agriculture?

A. Planting more weeds

B. Introducing natural predators of pests

C. Increasing the water supply significantly

D. Reducing sunlight exposure

18. Which type of farming focuses on growing fruits?

A. Apiculture

B. Viticulture

C. Horticulture (specifically Pomology)

D. Sericulture

19. Which of the following is a type of livestock raised in agriculture?

A. Dolphins

B. Elephants

C. Cows and chickens

D. Lions

20. Which of these tools is commonly used for harvesting grain crops?

A. A hoe

B. A watering can

C. A sickle or a combine harvester

D. A shovel

21. Which of the following is a common pest that affects crops?

A. Earthworms

B. Ladybugs

C. Aphids

D. Bees

22. What is irrigation in the context of agriculture?

A. The process of harvesting crops

B. The artificial application of water to land or soil

C. The removal of weeds from a field

D. The process of fertilizing the soil

23. Why might a farmer choose to grow a variety of crops instead of a single crop (monoculture)?

A. To increase susceptibility to diseases

B. To reduce soil nutrient diversity

C. To spread economic risk and improve soil health

D. To make harvesting more difficult

24. What is the term for the process of transforming raw agricultural products into food or other goods?

A. Cultivation

B. Harvesting

C. Processing

D. Irrigation

25. What does animal husbandry refer to in agriculture?

A. Cultivating fruits

B. Breeding, raising, and caring for farm animals

C. Growing vegetables

D. Managing forests