Question:
The Indian group of radishes including the rat-tail evolved in
The Indian group of radishes including the rat-tail evolved in
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Tropical/Indian radishes (Raphanus sativus var. caudatus or indicus) can produce seeds in warm climates without vernalization.
They evolved in the warm South-Western region of Asia.
They evolved in the warm South-Western region of Asia.
Updated On: Aug 7, 2026
- Northern western region
- Northern eastern region
- Southern eastern region
- Southern western region
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
Radish (Raphanus sativus) is a root vegetable with diverse subspecies and varieties grown across temperate and tropical climates.
The evolutionary history of radish points to multiple centers of origin and domestication for its various groups.
Step 2: Detailed Explanation:
The rat-tail radish (botanically classified as Raphanus sativus var. caudatus or sometimes indicus) is grown primarily for its long, slender, edible seed pods rather than its root.
The evolutionary origin of the Indian group of radishes, which includes the rat-tail and other tropical types, is associated with the South-Western region of Asia, particularly India and surrounding areas.
These tropical varieties are adapted to warmer temperatures and can bolt and produce seeds without a cold treatment (vernalization), unlike European temperate types.
This adaptation evolved in response to the climate of the South-Western Asian regions.
Step 3: Final Answer:
The Indian group of radishes, including the rat-tail type, evolved in the Southern western region, which corresponds to Option (D).
Radish (Raphanus sativus) is a root vegetable with diverse subspecies and varieties grown across temperate and tropical climates.
The evolutionary history of radish points to multiple centers of origin and domestication for its various groups.
Step 2: Detailed Explanation:
The rat-tail radish (botanically classified as Raphanus sativus var. caudatus or sometimes indicus) is grown primarily for its long, slender, edible seed pods rather than its root.
The evolutionary origin of the Indian group of radishes, which includes the rat-tail and other tropical types, is associated with the South-Western region of Asia, particularly India and surrounding areas.
These tropical varieties are adapted to warmer temperatures and can bolt and produce seeds without a cold treatment (vernalization), unlike European temperate types.
This adaptation evolved in response to the climate of the South-Western Asian regions.
Step 3: Final Answer:
The Indian group of radishes, including the rat-tail type, evolved in the Southern western region, which corresponds to Option (D).
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