The five groups of archaea are:
a. Psychrophilic, carcinogenic, halophilic, high- and low-pH tolerant, and high-pressure tolerant
b. Anaerobic, aerobic, thermophilic, high- and low-pH tolerant, and methanogenic
c. thermophilic, halophilic, high- and low-pH tolerant, high-pressure tolerant, and methanogenic
d. Anaerobic, aerobic, thermophilic, high-pressure tolerant, and hydrophilic
e. Archaea are not divided into groups; they are a specific group of their own.
Ans: c. thermophilic, halophilic, high- and low-pH tolerant, high-pressure tolerant, and methanogenic
You might also like to view...
Which of the following plants were dominant
in the Carboniferous period?
a. club mosses b. peat mosses c. ferns d. liverworts e. more than one of these
The outer boundary of a root’s vascular cylinder is a layer of cells called ____
a. pericycle b. cortex c. epidermis d. stele
e. endodermisWhich statement is true?
a. Breathing rate and depth are completely under voluntary control. b. A person can commit suicide by holding his or her breath. c. The contraction of the diaphragm and muscle of the rib cage are under the control of areas of the brain. d. There are chemoreceptors in the brain that monitor carbon dioxide content in the blood and control breathing. e. The contraction of the diaphragm and muscle of the rib cage are under the control of areas of the brain, and there are chemo-receptors in the brain that monitor carbon dioxide content in the blood and control breathing.
Which part of the brain is best associated with thinking and problem solving?
a. cerebral cortex b. spinal cord c. hypothalamus d. midbrain e. cerebellum