The effect of the two superimposed beams of light on the rate of photosynthesis exceeds the sum effect of both beams of light used separately. This photosynthetic enhancement is referred to as
A. Hill's reaction
B. Emerson effect
C. Photosystem effect
D. Spectrum effect
Answer: Option B
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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