What is the central control organ of a nervous system?
A. Notochord
B. Brain
C. Nerve cord
D. Ganglia
E. Nerve
Answer: B
You might also like to view...
Viruses come in several shapes. All of the following are shapes of viruses EXCEPT:
A. head and tail. B. triangular. C. icosahedral. D. helical. E. spiral.
In females, meiosis begins ____ while in males meiosis begins ____
a. before birth; after birth b. at puberty; before birth c. at birth; before birth d. at puberty; after birth e. before birth; before birth
The hypothalamus and pituitary link the activities
of the endocrine system and nervous system by a. the secretion of hormones in response to the summation of neural messages that enter the hypothalamus. b. shifts in hormonal concentrations being detected by the anterior pituitary. c. the secretion of pheromones as a response to photoperiodic stimuli. d. the nervous tissue of the anterior lobe sending stimuli to the glandular tissue of the posterior lobe to produce hypothalamic hormones. e. all of these.
Which one of the following is characteristic of N. meningitidis but not N. gonorrhoeae?
A. Ferments glucose B. Contains a polysaccharide capsule C. Is oxidase-positive D. Most isolates show resistance to penicillin E. No effective vaccines are available