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Improvement in Food Resources Practice Questions

Class 9 · Science · 3412 free MCQs with instant results and detailed explanations.

3412
Total
1048
Easy
1689
Medium
675
Hard

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Topics in Improvement in Food Resources

Fish Production 1131
Animal Husbandry 1144
Crop Improvement 1137

Sample Questions from Improvement in Food Resources

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Q1
Easy
What is the primary goal of crop improvement?
A. Increase yield
B. Reduce soil fertility
C. Eliminate pests
D. Decrease water usage
Show Answer & Explanation
Correct Answer: A
The primary goal of crop improvement is to enhance the yield of the crops, making them more productive.
Q2
Easy
Which method is commonly used for the selection of superior plants?
A. Hybridization
B. Irrigation
C. Fertilization
D. Weeding
Show Answer & Explanation
Correct Answer: A
Hybridization is a technique used to combine desirable traits from two different plants to produce superior offspring.
Q3
Easy
Which variety of wheat is known for high protein content?
A. Durum wheat
B. Red wheat
C. White wheat
D. Soft wheat
Show Answer & Explanation
Correct Answer: A
Durum wheat is recognized for its high protein content and is often used in pasta production.
Q4
Medium
What is the primary goal of crop improvement?
A. Increasing yield
B. Reducing pests
C. Enhancing taste
D. Improving soil quality
Show Answer & Explanation
Correct Answer: A
The main aim of crop improvement is to increase the yield per unit area to meet the growing food demands.
Q5
Medium
Which technique is NOT used for crop improvement?
A. Hybridization
B. Selection
C. Fertilization
D. Contamination
Show Answer & Explanation
Correct Answer: D
Contamination is not a technique for crop improvement; it generally has adverse effects on crop quality.
Q6
Medium
What role do genetically modified organisms (GMOs) play in crop improvement?
A. They increase pesticide usage.
B. They enhance crop resistance to diseases.
C. They require more water.
D. They decrease food diversity.
Show Answer & Explanation
Correct Answer: B
GMOs are engineered to enhance resistance against pests and diseases, leading to better crop yields.
Q7
Medium
Which of the following is a method of artificial selection?
A. Natural selection
B. Cross-breeding
C. Random mutation
D. Genetic drift
Show Answer & Explanation
Correct Answer: B
Cross-breeding is a specific method of artificial selection, where two different varieties are bred for desirable traits.
Q8
Hard
Which of the following techniques is NOT used in plant breeding?
A. Crossbreeding
B. Self-pollination
C. Genetic modification
D. Hydroponics
Show Answer & Explanation
Correct Answer: D
Hydroponics is a method of growing plants without soil, while the other techniques are used for breeding.
Q9
Hard
What is the primary goal of hybridization in crop improvement?
A. To increase genetic diversity
B. To produce disease-resistant varieties
C. To enhance yield and quality
D. To reduce labor costs
Show Answer & Explanation
Correct Answer: C
Hybridization aims to combine desirable traits to enhance yield and quality of crops.
Q10
Hard
In the context of crop improvement, what does 'Mendelian inheritance' refer to?
A. The use of fertilizers
B. The principles of genetic inheritance
C. Organic farming practices
D. Pesticide resistance
Show Answer & Explanation
Correct Answer: B
Mendelian inheritance describes how traits are passed from parents to offspring, crucial for breeding.

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Improvement in Food Resources — Class 9 Science Practice Questions Online

This page contains 3412 practice MCQs for the chapter Improvement in Food Resources in Class 9 Science. The questions are organized by difficulty — 1048 easy, 1689 medium, 675 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 3 topics, giving you comprehensive coverage of the entire chapter.