Science Bowl

BIOLOGY

Biology - 1

BIOL-91; Multiple Choice:  Which of the following describes the major difference between
bryophytes (pron: bry-oh-fites) and tracheophytes (pron: tray-key-o-fites)?

a) tracheophytes can survive on land
b) tracheophytes have seeds inside fruits
c) tracheophytes can make their own food
d) tracheophytes have vessels to transport materials

ANSWER:   D -- TRACHEOPHYTES HAVE VESSELS TO TRANSPORT
MATERIALS 

BIOL-91; Short Answer:  Complete the sentence.  The alternative forms of gene at the same
locus on homologous chromosomes are called what? 

ANSWER:  ALLELES

BIOL-91:  Short Answer:  The human pelvic girdle is composed of 3 fused bones on each side for
a total of 6 bones.  Name the 3 fused bones. 

ANSWER:  ILLIUM, ISCHIUM, and PUBIS

BIOL-91:  Short Answer:  What are rings of muscle which CLOSE body openings such as the lips
called?

ANSWER:  SPHINCTERS

BIOL-91; Multiple Choice:  The myofilaments of muscles consist primarily of two proteins. 
These two proteins are called:

a) actin and myosin
b) progesterone and testosterone
c) progesterone and estrogen

ANSWER:   A -- ACTIN AND MYOSIN

BIOL-91; Short Answer:  Is studies of the human body, what is used to describ a blood-filled sac
formed by an outpouching in an arterial or venous wall? 

ANSWER:   ANEURYSM