Question:
Which one of the followings is not a drought tolerant variety ?
Which one of the followings is not a drought tolerant variety ?
Show Hint
The suffix "-Sub1" indicates the presence of the Sub1 gene, which confers tolerance to complete submergence (flooding) in rice.
Updated On: Jul 6, 2026
- Sahbhagi Dhan
- Swarna - sub 1
- Pant Sankar Dhan 3
- CSR35
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Rice varieties are bred with specific genetic traits to tolerate environmental stresses, such as drought, flooding (submergence), or salinity.
Step 2: Detailed Explanation:
- Sahbhagi Dhan: A highly popular, drought-tolerant rice variety developed for rainfed upland and shallow lowland areas.
- Swarna-Sub1: Developed by transferring the Sub1A gene into the popular variety "Swarna". It is a submergence-tolerant (flood-tolerant) rice variety that can survive up to two weeks of complete underwater submergence. It is not designed for drought tolerance.
- CSR35: A salt-tolerant rice variety suitable for sodic soils.
- Pant Sankar Dhan 3: A hybrid rice variety with moderate drought-resilient characteristics.
Step 3: Final Answer:
Swarna-Sub1 is bred for submergence (flood) tolerance, making it the correct answer.
Rice varieties are bred with specific genetic traits to tolerate environmental stresses, such as drought, flooding (submergence), or salinity.
Step 2: Detailed Explanation:
- Sahbhagi Dhan: A highly popular, drought-tolerant rice variety developed for rainfed upland and shallow lowland areas.
- Swarna-Sub1: Developed by transferring the Sub1A gene into the popular variety "Swarna". It is a submergence-tolerant (flood-tolerant) rice variety that can survive up to two weeks of complete underwater submergence. It is not designed for drought tolerance.
- CSR35: A salt-tolerant rice variety suitable for sodic soils.
- Pant Sankar Dhan 3: A hybrid rice variety with moderate drought-resilient characteristics.
Step 3: Final Answer:
Swarna-Sub1 is bred for submergence (flood) tolerance, making it the correct answer.
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