Abscission does not occur when
A. The endogenous auxin concentration is equal on both the distal side and the proximal side
B. The endogenous auxin concentration in high on the distal side and low on the proximal side
C. The endogenous auxin concentration is low on the distal side and high on the proximal side
D. The endogenous auxin concentration is high on both the distal side and the proximal side
Answer: Option B
This Question Belongs to Biology GK Chapter Wise >> 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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