Maximum germination is achieved if
A. The seeds are kept at a cool temperature before being irradiated with red light and at a relatively high temperature for a period of time after being irradiated
B. The seeds are kept at a high temperature both before and after being irradiated with red light
C. The seeds are kept at a high temperature before being radiated with red light, whether or not the temperature is lowered after being irradiated
D. None of the above
Answer: Option A
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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