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Class 8 Practice – Level 3 – Set 2 – Crop Production and Management
Total questions: 15
1.
Which characteristic of hybrid crops contributes to higher productivity compared to traditional varieties?
Genetic uniformity
Increased susceptibility to diseases
Lower nutrient requirements
Greater adaptability to diverse climates
None
2.
What is the impact of acidic soils on crop production?
They promote the growth of all crops
They can hinder nutrient availability and affect crop yield
They improve soil fertility
They enhance microbial activity in the soil
None
3.
Which of the following is an effective practice to prevent nutrient leaching from the soil?
Applying fertilizers in excessive amounts
Practicing conservation tillage
Watering frequently and deeply
Using only chemical fertilizers
None
4.
Which of the following techniques is used for developing genetically modified (GM) crops?
Selective breeding
Tissue culture
Genetic engineering
Hybridization
None
5.
What is the primary economic advantage of crop diversification?
Increased reliance on a single crop
Reduced income stability
Improved risk management and income stability
Higher operational costs
None
6.
Which of the following practices is a key strategy for effective soil conservation in agricultural lands?
Continuous monoculture
Use of chemical fertilizers
Implementing cover cropping
Excessive irrigation
None
7.
What is the primary goal of an Integrated Pest Management (IPM) approach?
To eliminate all pests from the farm
To minimize pest damage while reducing the use of chemical pesticides
To rely solely on chemical controls
To increase the use of fertilizers
None
8.
How does climate change pose a risk to agricultural productivity?
It stabilizes weather patterns
It increases biodiversity in farming
It alters precipitation patterns and increases the frequency of extreme weather events
It reduces the need for irrigation
None
9.
Which policy tool is commonly used by governments to promote sustainable agriculture?
Subsidizing chemical fertilizers
Providing incentives for organic farming practices
Promoting monoculture practices
Increasing tariffs on agricultural imports
None
10.
What is the main disadvantage of relying heavily on groundwater for irrigation?
It improves crop yields significantly
It can lead to groundwater depletion and land subsidence
It reduces soil salinity
It increases surface water availability
None
11.
Which nutrient is crucial for root development and is often deficient in sandy soils?
Phosphorus
Nitrogen
Potassium
Calcium
None
12.
What is the term for the maximum amount of crop yield that can be produced under optimal conditions?
Crop rotation
Economic yield
Actual yield
Potential yield
None
13.
What is a major challenge of transitioning from conventional to organic farming?
Immediate access to synthetic fertilizers
Initial lower yields during the transition period
Reduced market demand for organic produce
Increased pest resistance
None
14.
Which of the following best describes the principle of agroecology?
Monoculture production to maximize yields
Implementing high-input farming practices
Integrating ecological principles into agricultural practices for sustainability
Reliance on chemical fertilizers for soil fertility
None
15.
What role does crop diversity play in enhancing food security?
It reduces competition among plants
It allows for the specialization of farming
It minimizes the risk of total crop failure due to pests or diseases
None
1 out of 15
Time's up
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