Question:
Which of the following is often-cross pollinated vegetable crops?
Which of the following is often-cross pollinated vegetable crops?
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Remember pollination types in vegetables:
- Self-pollinated: Tomato, chilli, brinjal, okra
- Cross-pollinated: Cucurbits, crucifers, spinach
- Often-cross pollinated: Dolichos bean, cowpea, pigeon pea
Isolation distance depends on pollination behavior:
- Self-pollinated: 200-400 m
- Often-cross pollinated: 400-800 m
- Cross-pollinated: 800-1600 m
- Self-pollinated: Tomato, chilli, brinjal, okra
- Cross-pollinated: Cucurbits, crucifers, spinach
- Often-cross pollinated: Dolichos bean, cowpea, pigeon pea
Isolation distance depends on pollination behavior:
- Self-pollinated: 200-400 m
- Often-cross pollinated: 400-800 m
- Cross-pollinated: 800-1600 m
Updated On: Aug 19, 2026
- Tomato
- Bottle gourd
- Chilli
- Dolichos bean
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
This question tests knowledge of pollination behavior in vegetable crops.
Step 2: Detailed Explanation:
Dolichos bean (D) is an often-cross pollinated vegetable crop.
It has a high degree of natural cross-pollination (10-20%).
Often-cross pollinated crops show:
- Moderate cross-pollination (5-30%).
- Self-pollination with significant cross-pollination.
- Require some isolation for seed production.
Pollination behavior of other vegetables:
- Tomato (A): Self-pollinated (mostly autogamous).
- Bottle gourd (B): Cross-pollinated (mostly allogamous).
- Chilli (C): Self-pollinated (mostly autogamous).
Thus, dolichos bean is often-cross pollinated.
Step 3: Final Answer:
Thus, dolichos bean is an often-cross pollinated vegetable crop, which corresponds to option (D).
[0.5cm]
This question tests knowledge of pollination behavior in vegetable crops.
Step 2: Detailed Explanation:
Dolichos bean (D) is an often-cross pollinated vegetable crop.
It has a high degree of natural cross-pollination (10-20%).
Often-cross pollinated crops show:
- Moderate cross-pollination (5-30%).
- Self-pollination with significant cross-pollination.
- Require some isolation for seed production.
Pollination behavior of other vegetables:
- Tomato (A): Self-pollinated (mostly autogamous).
- Bottle gourd (B): Cross-pollinated (mostly allogamous).
- Chilli (C): Self-pollinated (mostly autogamous).
Thus, dolichos bean is often-cross pollinated.
Step 3: Final Answer:
Thus, dolichos bean is an often-cross pollinated vegetable crop, which corresponds to option (D).
[0.5cm]
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