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Test: Crop Improvement - Class 9 MCQ


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15 Questions MCQ Test Science Class 9 - Test: Crop Improvement

Test: Crop Improvement for Class 9 2024 is part of Science Class 9 preparation. The Test: Crop Improvement questions and answers have been prepared according to the Class 9 exam syllabus.The Test: Crop Improvement MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Crop Improvement below.
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Test: Crop Improvement - Question 1

What is the primary reason for continuous efforts to improve agricultural and animal husbandry production?

Detailed Solution for Test: Crop Improvement - Question 1

The focus is on addressing food demand for a growing population, especially where land for cultivation is limited.

Test: Crop Improvement - Question 2

What has been a significant outcome of the Green Revolution? 

Detailed Solution for Test: Crop Improvement - Question 2

The Green Revolution increased food-grain production to combat food shortages.

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Test: Crop Improvement - Question 3

What is a major concern associated with the intensive use of natural resources in agriculture? 

Detailed Solution for Test: Crop Improvement - Question 3

Overusing resources leads to environmental damage and disrupts natural balances.

Test: Crop Improvement - Question 4

Apart from food availability, what other factor is crucial for ensuring food security? 

Detailed Solution for Test: Crop Improvement - Question 4

 Food security depends on food availability and the ability to buy it.

Test: Crop Improvement - Question 5

Which of the following groups of crops primarily provides carbohydrates? 

Detailed Solution for Test: Crop Improvement - Question 5

Cereals are the main source of carbohydrates for energy.

Test: Crop Improvement - Question 6

What is the main aim of crop variety improvement? 

Detailed Solution for Test: Crop Improvement - Question 6

Crop improvement targets better yield, disease resistance, and efficient fertilizer use.

Test: Crop Improvement - Question 7

What is the process called when genetically dissimilar plants are crossed to create new varieties? 

Detailed Solution for Test: Crop Improvement - Question 7

Hybridization crosses different plants to develop improved varieties.

Test: Crop Improvement - Question 8

What is a significant advantage of developing crops with shorter maturity durations? 

Detailed Solution for Test: Crop Improvement - Question 8

Short-duration crops increase annual productivity by enabling multiple harvests.

Test: Crop Improvement - Question 9

Which of the following is NOT a desirable agronomic characteristic for crop improvement? 

Detailed Solution for Test: Crop Improvement - Question 9

Dwarfness is desirable in cereals, but tallness is not ideal for vegetable crops.

Test: Crop Improvement - Question 10

What is the primary factor influencing a farmer's adoption of different farming practices and technologies? 

Detailed Solution for Test: Crop Improvement - Question 10

Farmers’ financial capacity determines their ability to invest in better practices.

Test: Crop Improvement - Question 11

Why is manure considered beneficial for soil fertility? 

Detailed Solution for Test: Crop Improvement - Question 11

Manure improves soil fertility by adding organic matter and enhancing its structure.

Test: Crop Improvement - Question 12

Which of the following is a disadvantage of using chemical fertilizers excessively? 

Detailed Solution for Test: Crop Improvement - Question 12

Excessive use of fertilizers damages soil and causes water pollution.

Test: Crop Improvement - Question 13

What is the primary objective of mixed cropping? 

Detailed Solution for Test: Crop Improvement - Question 13

Mixed cropping minimizes risks by growing diverse crops together.

Test: Crop Improvement - Question 14

Which of the following statements about intercropping is true? 

Detailed Solution for Test: Crop Improvement - Question 14

Intercropping uses strategic planting to optimize resource use.

Test: Crop Improvement - Question 15

Which of the following is NOT a biotic factor that can cause storage losses in agricultural produce?

Detailed Solution for Test: Crop Improvement - Question 15

Temperature and moisture are abiotic factors, while insects, rodents, and fungi are biotic.

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