1. The study of interactions between organisms and their
interrelationships with the physical environment is known as
A. cytology
B. ecology
C. physiology
D. embryology
2. Most of the nutrients in food are absorbed in the
body's
A. stomach
B. pylorus
C. small intestine
D. large intestine
3. The gene for color blindness is X-linked. If normal parents
have a color-blind son, what is the probability that he inherited
the gene for color blindness from his mother?
A. 0%
B. 25%
C. 50%
D. 100%
4. Which of the following animals has the highest metabolic
rate?
A. dog
B. horse
C. mouse
D. rabbit
5. Which of the following states of electromagnetic radiation
has the longest wavelength and lowest frequency?
A. radio waves
B. microwaves
C. gamma rays
D. visible light
