When light-sensitive lettuce seeds that are imbibing are treated with red light followed by far-red light,
A. The Pr form is converted to the active Pfr form
B. The Pfr form is not affected
C. Germination takes place
D. Germination does not take place
Answer: Option D
Related Questions on Plant Anatomy and Physiology
A. Cinnamomum - Amoora association
B. Bischofia - Dillenia association
C. Shorea - Lagerstroemia association
D. Mesua - Michelia association
Which of the following react with haemoglobin, forming methemoglobin which will not take up oxygen?
A. Nitrates
B. Nitrites
C. Carbides
D. Oxides
Internally, hydathode shows a group of loosely arranged parenchymatous cells called as
A. Epiderm
B. Epithelium
C. Ampithecium
D. Epithem

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