A) Helianthus annuus
B) Euphorbia pulcherrima
C) Avena sativa
D) Beta vulgaris
Correct Answer: A
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 2 hours of uninterrupted light, eg, tomato, cucumber, sunflower, maize and cotton, etc.
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