For each question below, click on the circle next to the correct answer. When you are finished with the test, push the 'Score my test' button at the bottom of the page. Good luck!

(To check the key click here: http://www.csub.edu/~ddodenhoff/Biology100/examfiles/exam2ckey.htm)

Question #1
During a plant research project, a scientist crosses a blue-flowered variety of plant with a yellow-flowered variety plant. The F1 generation consists of all yellow-flowered plants. The yellow-flowered gene is most probably

A. the recessive genotype
B. the dominant genotype
C. the incomplete dominant phenotype
D. produces sterile offspring
E. the result of hybridization cross

Question #2
Given the Diagram below; identify the part of the flower labeled #2.

A. stigma
B. style
C. ovary
D. anther
E. pistil

If you do not know the flower parts take the quiz at: 

http://www.csub.edu/~ddodenhoff/Biology100/study/ch35quiz.html

Question #3

Figure 1. The change in weight of potato pieces placed into varied salt concentration solutions. The change in weight was calculated as the weight of the potato piece before minus the weight after 10minutes in the salt solution. The best fit line is illustrated. Question: What is the concentration of NaCl at the approximate osmotic equilibrium point?

A. 1% NaCl
B. 2% NaCl
C. 3% NaCl
D. 6% NaCl

Question #4
Using the diagram below; What is the chromosome complement of the sporophyte generation?

A. haploid
B. diploid
C. triploid
D. quadraploid

Question #5
Which of the following is not a location where meiosis occurs?

A. sporophyte
B. human ovary
C. plant ovary
D. plant anther
E. plant root tip

Question #6
During protein synthesis, ribosomes _____________________.

A. attach to the mRNA molecule and travel along its length.
B. attach to the DNA molecule and travel along its length to produce an mRNA molecule.
C. translate mRNA into tRNA.
D. transcribe mRNA to tRNA.
E. translate mRNA into DNA.

Question #7
Alternation of generations in plants refers to the alternation of ________________________.

A. meiotic and mitotic stages.
B. male and female stages.
C. diploid and haploid stages.
D. spore and seed stages.

Question #8
Seeds are reproductively superior to spores because_____________.

A. seeds contain a multicellular young plant.
B. only seeds can survive for an extended period of time.
C. seeds are used as a food source for humans.
D. seeds can be dispersed farther than spores.
E. Both A and D are correct responses.

Question #9
The ________ cells of vascular plants transport water from the roots to the leaves.

A. phloem
B. stem
C. xlyem
D. palisade
E. guard

Question #10
Refer to the illustration of the DNA gel. Based upon your observations of how a liquid diffuses through a solid, which fragments would you expect to be larger?

A. the fragments labeled A
B. the fragments labeled B
C. the fragments labeled C
D. Both the A and B fragments are the same size