Grade 7 Agriculture – Off - season cropping techniques Quiz

1. What does NPK stand for?

Nitrogen, Phosphorus, Potassium
Nutrients, Pancakes, Kittens
Nitrogen, Potassium, Phosphorus
Nitrates,Packages,Phosphorus
Explanation:

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

removing undesired plants from the crop field
preparing soil for sowing seeds
separating grains from stalk
collecting ripened crops from the field
Explanation:

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

collecting crops from the field
preparing soil for sowing seeds
Separating grains from the stalk
removing undesired plants from the crop field
Explanation:

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

Addition of manure
Harvesting
Preparation of soil
Irrigation
Explanation:

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

It helps in increasing the water content of the soil.
It helps in increasing the fertility of the soil.
It helps in aerating the soil.
It helps in the growth of helpful microbes in the soil.
Explanation:

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

sowing seeds at a uniform distance, harvesting the produce
sowing seeds at a uniform distance, saving time
harvesting the produce, spreading manure
saving time, spreading manure
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?

rodents, insects
earthworms, microbes
insects, earthworms
microbes, rodents
Explanation:

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

Sowing should be done after loosening the soil.
Seeds should be sown close to each other.
Seeds should be sown at proper depth.
Sowing should be done with the help of seed drill.
Explanation:

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

Fertilisers increase soil fertility in the long run.
Fertilisers increase the water-holding capacity of soil.
Fertilisers contain inorganic salts.
Fertilisers contain decomposed matter.
Explanation:

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

Super phosphate
Urea
Compost
Ammonium sulphate
Explanation:

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

Manure improves the texture of the soil.
Manure enhances the growth of friendly bacteria in the soil.
Manure adds inorganic matter to the soil.
Manure increases the water-holding capacity of the soil.
Explanation:

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

manures provide humus to the soil whereas fertilisers do not provide humus to the soil
manures are rich in inorganic matter while fertilisers are not rich in inorganic matter
manures can be stored for a long time whereas fertilisers cannot be stored for long time
manures are prepared in factories while fertilisers are prepared in the fields
Explanation:

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

It increases the number of friendly microbes in the soil.
It enhances the water holding capacity of the soil.
It improves the exchange of gases between the soil and the atmosphere.
It adds nutrients like nitrogen and phosphorus to the soil.
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 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.
Fertilisers decrease soil fertility in the long run, whereas long term use of manures does not affect soil fertility.
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 the dependence of crops on monsoons
increasing pest attacks on crops
Explanation:

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

barley and oat
wheat and barley
rice and wheat
maize and rice
Explanation:

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

Distribution of organic fertilisers and pesticides to farmers
Improvement in the irrigation facilities
Providing disease resistant and high yielding seeds
Application of better scientific methods
Explanation:

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

Harvesting of crops
Mixing of manure with soil
Plucking out weeds from the soil
Deep air circulation into the soil
Explanation:

19. The main purpose of winnowing is to ________.

separate the chaff and the grain
dehydrate the grains
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?

Higher market prices for produce
Increased pest and disease pressure
Reduced competition with other farmers
Improved soil fertility
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?

Soil type
Amount of rainfall
Seed availability
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?

Sorghum
Maize
Potatoes
Tomatoes
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?

Minimizing labor requirements
Extending the growing season
Maximizing crop yields
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?

Planting at irregular intervals
Using outdated farming equipment
Applying excessive amounts of fertilizer
Monitoring crop health regularly
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?

Using drip irrigation systems
Over-irrigating crops to ensure they have enough water
Irrigating crops during the hottest part of the day
Relying solely on rainfall
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 occurrence of unpredictable weather patterns
The presence of beneficial insects
The use of genetically modified seeds
The availability of government subsidies
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?

Higher market prices for produce
Decreased soil fertility
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?

Using chemical pesticides
Installing windbreaks
Reducing soil moisture levels
Planting crops in low-lying areas
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?

Farmers' personal preferences
Seed availability at local markets
Crop value in the international market
Length of the growth period
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
Mulching
Harrowing
Weeding
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?

Reduce pest pressure
Maximize yield
Increase soil fertility
Utilize land during periods of low productivity
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
Soybeans
Cabbage
Maize
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?

Decreased yield potential
Higher input costs
Increased labor 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
Crop rotation
Cover cropping
Intercropping
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?

Optimize land use efficiency
Maximize labor costs
Increase water usage
Increase crop diversity
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
Furrow irrigation
Subsurface drip irrigation
Sprinkler 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?

Enhance soil health
Increase pest pressure
Reduce soil fertility
Decrease water retention
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
Temperature fluctuations
Sunlight duration
Soil nutrient levels
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?

Year-round income
Increased pest infestation
Higher market prices
Improved soil fertility
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.

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