Question:
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Indica rice are better adapted to low temperature while Japonica rice to high temperature for better ripening.
Reason R: Indica rice are grown throughout the tropics and subtropics while Japonicas are limited to temperate and subtropics.
In light of the above statements, choose the correct answer from the options given below:
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Indica rice are better adapted to low temperature while Japonica rice to high temperature for better ripening.
Reason R: Indica rice are grown throughout the tropics and subtropics while Japonicas are limited to temperate and subtropics.
In light of the above statements, choose the correct answer from the options given below:
Assertion A: Indica rice are better adapted to low temperature while Japonica rice to high temperature for better ripening.
Reason R: Indica rice are grown throughout the tropics and subtropics while Japonicas are limited to temperate and subtropics.
In light of the above statements, choose the correct answer from the options given below:
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To remember this: "Indica = India/Tropical (Warm climate)," and "Japonica = Japan/Temperate (Cooler climate)." This simple geographical connection prevents mistakes.
Updated On: Aug 24, 2026
- Both A and R are correct
- A is correct but R is incorrect
- A is incorrect but R is correct
- Both A and R are incorrect
Show Solution
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Rice (*Oryza sativa*) is broadly categorized into distinct ecotypes based on geographic distribution and climate adaptation: Indica and Japonica.
Step 2: Detailed Explanation:
Let us analyze the Assertion and Reason statements:
- Assertion A: This statement claims that Indica rice is better adapted to low temperatures and Japonica to high temperatures. This is scientifically incorrect. Indica varieties are native to tropical regions and are highly adapted to warm/high-temperature climates. Japonica varieties are native to temperate zones and are adapted to cooler/low-temperature climates.
- Reason R: This statement claims that Indica rice is grown throughout the tropics and subtropics, while Japonica is cultivated in temperate and colder subtropical regions. This is geographically and agronomically correct.
Since Assertion A is false and Reason R is true, we conclude that A is incorrect but R is correct.
Step 3: Final Answer:
The correct option is (C), representing "A is incorrect but R is correct."
Rice (*Oryza sativa*) is broadly categorized into distinct ecotypes based on geographic distribution and climate adaptation: Indica and Japonica.
Step 2: Detailed Explanation:
Let us analyze the Assertion and Reason statements:
- Assertion A: This statement claims that Indica rice is better adapted to low temperatures and Japonica to high temperatures. This is scientifically incorrect. Indica varieties are native to tropical regions and are highly adapted to warm/high-temperature climates. Japonica varieties are native to temperate zones and are adapted to cooler/low-temperature climates.
- Reason R: This statement claims that Indica rice is grown throughout the tropics and subtropics, while Japonica is cultivated in temperate and colder subtropical regions. This is geographically and agronomically correct.
Since Assertion A is false and Reason R is true, we conclude that A is incorrect but R is correct.
Step 3: Final Answer:
The correct option is (C), representing "A is incorrect but R is correct."
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