Plants with crassulacean acid metabolism (CAM plants) exhibit different stomatal behaviour in that
A. The stomata are close at night and open during day
B. The stomata are close both at night and during day
C. The stomata are open at night and close during day
D. The stomata are always open
Answer: Option C
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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