Due to low temperature and high rainfall the organic matter content of the soil increases at higher altitudes, with
A. An increase in soil nitrogen and its PH values
B. A decrease in soil nitrogen and its PH values
C. An increase in soil nitrogen and a decrease in its PH values
D. A decrease in soil nitrogen and an increase in its PH values
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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