Question:
Assertion A: In a seed drill with fluted roller metering mechanism, the number of fluted rollers is same as the number of furrow openers.
Reason R: Fluted roller maintains the spacing between the seeds in a row.
In light of the above statements, choose the most appropriate answer from the options given below:
Assertion A: In a seed drill with fluted roller metering mechanism, the number of fluted rollers is same as the number of furrow openers.
Reason R: Fluted roller maintains the spacing between the seeds in a row.
In light of the above statements, choose the most appropriate answer from the options given below:
Reason R: Fluted roller maintains the spacing between the seeds in a row.
In light of the above statements, choose the most appropriate answer from the options given below:
Show Hint
Understand the function of each component.
Fluted roller controls seed rate.
Spacing is controlled by gear ratio and ground wheel.
In exams, often the reason is the trap.
Fluted roller controls seed rate.
Spacing is controlled by gear ratio and ground wheel.
In exams, often the reason is the trap.
Updated On: Aug 13, 2026
- Both A and R are correct and R is the correct explanation of A
- Both A and R are correct but R is NOT the correct explanation of A
- A is correct but R is not correct
- A is not correct but R is correct
Show Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Seed drill is used for sowing seeds.
Fluted roller metering mechanism is used to meter the seeds.
Furrow openers create furrows for seed placement.
Step 2: Key Formula or Approach:
No specific formula.
Need to understand the working of a seed drill.
Step 3: Detailed Explanation:
In a seed drill, each furrow opener needs a separate metering device.
Thus, the number of fluted rollers equals the number of furrow openers.
So, Assertion A is correct.
The fluted roller meters the seed quantity, not the spacing between seeds in a row.
Spacing between seeds is determined by the ground wheel and transmission ratio.
So, Reason R is incorrect.
Step 4: Final Answer:
A is correct, but R is not correct.
Hence, the correct option is (C).
Seed drill is used for sowing seeds.
Fluted roller metering mechanism is used to meter the seeds.
Furrow openers create furrows for seed placement.
Step 2: Key Formula or Approach:
No specific formula.
Need to understand the working of a seed drill.
Step 3: Detailed Explanation:
In a seed drill, each furrow opener needs a separate metering device.
Thus, the number of fluted rollers equals the number of furrow openers.
So, Assertion A is correct.
The fluted roller meters the seed quantity, not the spacing between seeds in a row.
Spacing between seeds is determined by the ground wheel and transmission ratio.
So, Reason R is incorrect.
Step 4: Final Answer:
A is correct, but R is not correct.
Hence, the correct option is (C).
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