Grade 7 Agriculture Quiz

1. What does NPK stand for?

Nitrogen, Potassium, Phosphorus

Nitrogen, Phosphorus, Potassium

Nutrients, Pancakes, Kittens

Nitrates,Packages,Phosphorus

Explanation:

2. Harvesting is a process of........

preparing soil for sowing seeds

removing undesired plants from the crop field

separating grains from stalk

collecting ripened crops from the field

Explanation:

3. Threshing is a process of..........

preparing soil for sowing seeds

collecting crops from the field

removing undesired plants from the crop field

Separating grains from the stalk

Explanation:

4. In order to obtain a higher yield, farmers must undertake various agricultural practices. Which is the first step in this process?

Harvesting

Irrigation

Addition of manure

Preparation of soil

Explanation:

5. Which of the following statements about the tilling of soil is incorrect?

It helps in the growth of helpful microbes in the soil.

It helps in aerating the soil.

It helps in increasing the fertility of the soil.

It helps in increasing the water content of the soil.

Explanation:

6. A seed drill helps in _____i____ and _____ii______ . The information in which alternative completes the given statement?

harvesting the produce, spreading manure

saving time, spreading manure

sowing seeds at a uniform distance, saving time

sowing seeds at a uniform distance, harvesting the produce

Explanation:

7. Tilling helps in loosening the soil, which promotes growth of and in the soil.The information in which alternative completes the given statement?

microbes, rodents

insects, earthworms

earthworms, microbes

rodents, insects

Explanation:

8. Which of the following statements about the sowing of seeds is incorrect?

Sowing should be done with the help of seed drill.

Seeds should be sown close to each other.

Sowing should be done after loosening the soil.

Seeds should be sown at proper depth.

Explanation:

9. Which of the following statements about fertilisers is correct?

Fertilisers contain decomposed matter.

Fertilisers contain inorganic salts.

Fertilisers increase the water-holding capacity of soil.

Fertilisers increase soil fertility in the long run.

Explanation:

10. Which of the following substances will not affect the fertility of soil when added to it for a long period of time?

Ammonium sulphate

Super phosphate

Compost

Urea

Explanation:

11. Which of the following statements about manure is incorrect?

Manure increases the water-holding capacity of the soil.

Manure improves the texture of the soil.

Manure enhances the growth of friendly bacteria in the soil.

Manure adds inorganic matter to the soil.

Explanation:

12. Manures are considered better than fertilisers because...........

manures can be stored for a long time whereas fertilisers cannot be stored for long time

manures provide humus to the soil whereas fertilisers do not provide humus to the soil

manures are prepared in factories while fertilisers are prepared in the fields

manures are rich in inorganic matter while fertilisers are not rich in inorganic matter

Explanation:

13. Which of the following statements regarding the advantages of using manure is incorrect?

It adds nutrients like nitrogen and phosphorus to the soil.

It enhances the water holding capacity of the soil.

It increases the number of friendly microbes in the soil.

It improves the exchange of gases between the soil and the atmosphere.

Explanation:

14. Which of the following statements about the difference between fertilizers and manures is correct?

Fertilisers are made of organic matter, while manures are chemical in nature.

Fertilisers decrease soil fertility in the long run, whereas long term use of manures does not affect soil fertility.

Fertilisers increase the water-holding capacity of soil in the long run, whereas long term use of manures does not affect the water-holding capacity of soil.

Fertilisers are poor in plant Nutrients, while manures contain higher amount of plant nutrients.

Explanation:

15. Irrigation is an important part of crop production. Irrigation increases crop yield by............

reducing pest attacks on crops

reducing the dependence of crops on monsoons

increasing pest attacks on crops

increasing the dependence of crops on monsoons

Explanation:

16. Impact of green revolution in India was more effective in the production of........

barley and oat

rice and wheat

maize and rice

wheat and barley

Explanation:

17. Which of the following initiatives does not belong to the green revolution?

Providing disease resistant and high yielding seeds

Application of better scientific methods

Improvement in the irrigation facilities

Distribution of organic fertilisers and pesticides to farmers

Explanation:

18. Which of the following tasks cannot be achieved through ploughing?

Harvesting of crops

Deep air circulation into the soil

Mixing of manure with soil

Plucking out weeds from the soil

Explanation:

19. The main purpose of winnowing is to ________.

dehydrate the grains

separate the chaff and the grain

separate grains from the straw

grind the grains

Explanation:

20. Which of the following is not a benefit of off-season cropping techniques in Kenya?

Increased pest and disease pressure

Higher market prices for produce

Improved soil fertility

Reduced competition with other farmers

Explanation:

Off-season cropping can actually help reduce pest and disease pressure by disrupting the life cycles of harmful organisms.

21. What is a key factor to consider when practicing off-season cropping in Kenya?

Seed availability

Soil type

Amount of rainfall

Time of day for planting

Explanation:

The availability and timing of rainfall is essential for successful off-season cropping, as it can help determine the irrigation requirements for the crops.

22. Which crop is commonly grown during the off-season in Kenya?

Maize

Potatoes

Tomatoes

Sorghum

Explanation:

Tomatoes are a popular off-season crop in Kenya due to their high value in the market and relatively short growing period.

23. What is the primary goal of off-season cropping techniques in Kenya?

Extending the growing season

Maximizing crop yields

Minimizing labor requirements

Reducing water usage

Explanation:

Off-season cropping is typically done to maximize crop yields and income for farmers by taking advantage of favorable climatic conditions.

24. Which practice is important for successful off-season cropping in Kenya?

Applying excessive amounts of fertilizer

Monitoring crop health regularly

Using outdated farming equipment

Planting at irregular intervals

Explanation:

Regular monitoring of crop health helps farmers identify and address any issues that may arise during the off-season to ensure a successful harvest.

25. How can farmers in Kenya manage water resources effectively during off-season cropping?

Irrigating crops during the hottest part of the day

Using drip irrigation systems

Relying solely on rainfall

Over-irrigating crops to ensure they have enough water

Explanation:

Drip irrigation systems can help farmers in Kenya efficiently water their crops during the off-season, reducing water wastage and ensuring plants receive an adequate amount of moisture.

26. Which factor can impact the success of off-season cropping in Kenya?

The presence of beneficial insects

The use of genetically modified seeds

The availability of government subsidies

The occurrence of unpredictable weather patterns

Explanation:

Unpredictable weather patterns can significantly impact the success of off-season cropping in Kenya, as they can create challenges such as droughts or floods that can harm crops.

27. What is a benefit of crop rotation when practicing off-season cropping in Kenya?

Decreased soil fertility

Higher market prices for produce

Increased pest resistance

Reduced labor requirements

Explanation:

Crop rotation can help increase pest resistance by disrupting the habitat and food source of pests, reducing the likelihood of infestations during the off-season.

28. Which method can help farmers in Kenya protect their off-season crops from extreme weather conditions?

Reducing soil moisture levels

Planting crops in low-lying areas

Using chemical pesticides

Installing windbreaks

Explanation:

Installing windbreaks can help protect crops from strong winds and reduce the risk of damage during the off-season, ensuring a higher chance of successful harvest.

29. What is an important consideration for choosing off-season crops to grow in Kenya?

Seed availability at local markets

Length of the growth period

Crop value in the international market

Farmers' personal preferences

Explanation:

Seed availability at local markets is crucial for off-season cropping, as farmers need access to high-quality seeds to ensure the successful growth of their chosen crops.

30. Which of the following is a technique used in off-season cropping?

Top-dressing

Harrowing

Weeding

Mulching

Explanation:

Mulching is a technique used in off-season cropping to conserve moisture and suppress weed growth.

31. What is the purpose of off-season cropping?

Increase soil fertility

Utilize land during periods of low productivity

Reduce pest pressure

Maximize yield

Explanation:

Off-season cropping allows farmers to utilize their land during periods when primary crops cannot be grown effectively.

32. Which crop is commonly grown using off-season cropping techniques in Kenya?

Tomatoes

Cabbage

Maize

Soybeans

Explanation:

Tomatoes are commonly grown using off-season cropping techniques in Kenya due to their high market demand and relatively short growing season.

33. What is the benefit of using off-season cropping techniques?

Increased labor costs

Decreased yield potential

Higher input costs

Reduced soil erosion

Explanation:

Off-season cropping techniques help reduce soil erosion by keeping the soil covered with vegetation or mulch throughout the year.

34. Which of the following practices is NOT associated with off-season cropping?

Monoculture

Intercropping

Crop rotation

Cover cropping

Explanation:

Monoculture farming involves growing a single crop continuously on the same land, which is not typically associated with off-season cropping.

35. What is the primary goal of off-season cropping techniques?

Maximize labor costs

Optimize land use efficiency

Increase crop diversity

Increase water usage

Explanation:

The primary goal of off-season cropping techniques is to optimize land use efficiency by utilizing the land throughout the year for various crops.

36. Which of the following is a common irrigation method used in off-season cropping?

Rainwater harvesting

Sprinkler irrigation

Subsurface drip irrigation

Furrow irrigation

Explanation:

Subsurface drip irrigation is a common irrigation method used in off-season cropping to deliver water directly to the root zone of the plants.

37. What is the role of cover crops in off-season cropping?

Decrease water retention

Increase pest pressure

Reduce soil fertility

Enhance soil health

Explanation:

Cover crops are used in off-season cropping to enhance soil health by adding organic matter, improving soil structure, and suppressing weeds.

38. Which factor is important to consider when planning off-season cropping?

Rainfall intensity

Soil nutrient levels

Sunlight duration

Temperature fluctuations

Explanation:

Soil nutrient levels are important to consider when planning off-season cropping to ensure the crops have access to essential nutrients for growth and development.

39. What is the main advantage of using off-season cropping techniques?

Increased pest infestation

Improved soil fertility

Year-round income

Higher market prices

Explanation:

One of the main advantages of using off-season cropping techniques is the potential for year-round income generation by planting high-value crops during periods of low productivity.

Topics

Grade 7 Agriculture – Off - season cropping techniques Quiz

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