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JIPMER 2004
Exam
JIPMER
Year
2004
Subject
Botany
Chapter
Plant - Growth and Development

JIPMER 2004 · Botany · Plant - Growth and Development

Which of the following is a day neutral plant?

Which of the following is a day neutral plant?

Options

  1. AHelianthus annuus
  2. BEuphorbia pulcherrima
  3. CAvena sativa
  4. DBeta vulgaris

Correct answer

A. Helianthus annuus

Step-by-step solution

Day neutral plants do not need a specific photoperiod to produce flowers. They are also called intermediates or photoneutrals. Their photoperiod varies from a few hours to 24 hours of uninterrupted light e.g. tomato, cucumber, sunflower, Helianthus annuus, maize and cotton etc.
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