Question:

In which variety of banana, "hard lump" is a common problem?

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Remember banana varieties and disorders:
- Nendran: Hard lump problem
- Poovan: Good flavor, moderate keeping quality
- Grand Naine: High yield, resistant to disorders
- Robusta: Good for processing
Hard lump is related to calcium deficiency.
  • Poovan
  • Nendran
  • Grand Naine
  • Robusta
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The Correct Option is B

Solution and Explanation

Step 1: Understanding the Concept:
This question tests knowledge of banana varieties and their specific physiological disorders.

Step 2: Detailed Explanation:

Hard lump is a physiological disorder of banana where part of the fruit remains hard and does not ripen properly.
Nendran banana is highly susceptible to the hard lump problem.
This variety is popular in Kerala and Tamil Nadu for culinary purposes.
Other banana varieties:
- Poovan (A): Known for good flavor, not hard lump.
- Grand Naine (C): The most common commercial variety, resistant to hard lump.
- Robusta (D): Popular in Maharashtra, not typically affected by hard lump.
The disorder is associated with:
- Calcium deficiency in the fruit.
- Improper pollination/seed development.
- Environmental stress during fruit development.

Step 3: Final Answer:

Thus, "hard lump" is a common problem in Nendran banana, which corresponds to option (B).
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