Plant breeders induce polyploidy in plants by using ________
a. selective breeding
b. colchicine
c. grafting
d. tissue culture
b
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Secondary treatment of sewage involves the use of which type of process?
A. Virus removal/inactivation B. Biological removal of inorganic nutrients C. Biological removal of dissolved organic matter D. Physical/chemical removal of insoluble particulate materials
Adiabatic cooling takes place when ____
a. latitudinal differences alter rainfall amounts b. reversals of wind direction occur seasonally c. a decrease in air temperature occurs without loss of heat energy d. an increase in air temperature occurs without loss of heat energy e. anytime air loses heat energy
The net result of glycolysis is
a. 2 NADH, 2 ATP, and 2 pyruvates b. 8 NADH, 2 ATP, and 6 carbon dioxides c. 36 ATP d. 2 NADH, 4 ATP, and 2 pyruvates e. 2 NADH, 2 ATP, and 2 acetyl-CoAs
In oceans, how does the vertical movement of cold water affect surface organisms?
A) by bringing nutrient-rich water to the surface B) by bringing oxygen-rich water to the surface C) by bringing waste down to the sea floor D) by increasing productivity via warmer temperatures