With reference to 'Inter-cropping', consider the following statements: 1. It involves growing two or more crops simultaneously without any definite row pattern. 2. Crops are selected such that their nutrient requirements are different. 3. It prevents pests and diseases from spreading to all plants belonging to one crop. Which of the statements given above is/are correct?

The correct option is (c). Explanation Inter-cropping is an improved agricultural practice involving the cultivation of two or more crops simultaneously on the same field to maximize yield and resource efficiency. - Statement 1 is Incorrect: Inter-cropping involves growing two or more crops simultaneously in a definite row pattern (e.g., a few rows of soyabean alternating with a few rows of maize). The practice of growing two or more crops simultaneously on the same piece of land without any definite row pattern is known as Mixed Cropping. - Statement 2 is Correct: In inter-cropping, crops are selected specifically so that their nutrient requirements are different. This ensures maximum utilization of the nutrients supplied and minimizes competition between the crops for the same resources. - Statement 3 is Correct: This method prevents pests and diseases from spreading to all plants belonging to one crop. The rows of a different crop act as a barrier, checking the spread of pathogens or insects that are specific to one of the crops. Key Takeaway: The defining characteristic of Inter-cropping is the use of a definite row pattern, whereas Mixed Cropping lacks a specific arrangement. Inter-cropping allows for better pest control and nutrient management compared to mixed cropping.

With reference to 'Inter-cropping',… - NCERT Class 9 Science MCQ

NCERT Class 9 Science — Chapter 3: Improvement in food resources

mcqmedium

With reference to 'Inter-cropping', consider the following statements:

It involves growing two or more crops simultaneously without any definite row pattern.
Crops are selected such that their nutrient requirements are different.
It prevents pests and diseases from spreading to all plants belonging to one crop.

Which of the statements given above is/are correct?

NCERT textbook question

From NCERT Science - class 9 · Page 145

Options

A1 and 2 only
B2 only
C2 and 3 only
D1, 2 and 3

Did you get this right?

Solution

The correct option is (c).

Explanation

Inter-cropping is an improved agricultural practice involving the cultivation of two or more crops simultaneously on the same field to maximize yield and resource efficiency.

Statement 1 is Incorrect: Inter-cropping involves growing two or more crops simultaneously in a definite row pattern (e.g., a few rows of soyabean alternating with a few rows of maize). The practice of growing two or more crops simultaneously on the same piece of land without any definite row pattern is known as Mixed Cropping.
Statement 2 is Correct: In inter-cropping, crops are selected specifically so that their nutrient requirements are different. This ensures maximum utilization of the nutrients supplied and minimizes competition between the crops for the same resources.
Statement 3 is Correct: This method prevents pests and diseases from spreading to all plants belonging to one crop. The rows of a different crop act as a barrier, checking the spread of pathogens or insects that are specific to one of the crops.

Key Takeaway: The defining characteristic of Inter-cropping is the use of a definite row pattern, whereas Mixed Cropping lacks a specific arrangement. Inter-cropping allows for better pest control and nutrient management compared to mixed cropping.

Your note

More from Chapter 3: Improvement in food resources

In poultry farming, what is the primary difference between 'layers' and 'broilers'?

easy

Which of the following practices are integral to 'Organic Farming'? 1. Use of bio-fertilizers like blue-green algae. 2. Use of synthetic pesticides like DDT. 3. Maximum input of chemical fertilizers for high yield. 4. Healthy cropping systems like mixed cropping. Select the correct answer using the code given below:

medium

With reference to the nutritional requirements of poultry, consider the following statements: 1. The ration for broilers is protein-poor with minimal fat content. 2. The level of vitamins A and K is kept high in poultry feeds. 3. The dietary requirements for broilers are exactly the same as those for egg layers. Which of the statements given above is/are correct?

medium

Which of the following are desirable agronomic characteristics for crop improvement? 1. Tallness and profuse branching for cereal crops. 2. Tallness and profuse branching are desirable characters for fodder crops. 3. Dwarfness for cereals to consume fewer nutrients. Select the correct answer using the code given below:

medium

In a composite fish culture system, which one of the following species functions as a bottom feeder?

easy

Keep practising Chapter 3: Improvement in food resources

Work through every question from this NCERT chapter.

Browse all NCERT Class 9 Science chapters