For the "light" reaction to occur, an electron donor (____) and an ultimate acceptor (______)
are needed.
A) NADPH; water
B) water; ATP
C) water; NADPH
D) ATP; NADPH
E) water; NADP+ CORRECT ANS-E
Which molecule is oxidized in the photosynthetic reaction?
A) CO2
B) H2O
C) C6H12O6
D) Sunlight CORRECT ANS-B
In terms of the evolution of photosynthesis, which process happened first?
A) endosymbiosis
B) mitochondrial membrane structure
, Exam- Bio 1108 Exam 2 with Complete Solutions
C) chloroplast membrane structure
D) horizontal gene transfer CORRECT ANS-A
What is the most abundant protein on Earth?
A) Rubisco
B) CO2
C) 3-PGA
D) NADPH CORRECT ANS-A
What is the inital carbon input in the Calvin cycle?
A) C6H12O6
B) Triose phosphate
C) CO2
D) Rubisco CORRECT ANS-C
A high school student is carrying out a science project. She plants alfalfa seeds, and encloses
an area planted with one set of alfalfa seeds within a box covered in red cellophane (which
, Exam- Bio 1108 Exam 2 with Complete Solutions
reflects light of red wavelengths). She leaves another set of planted alfalfa seeds uncovered.
What do you expect she'll find in these two alfalfa populations when her science project is
over?
A) germination rate will be higher in the uncovered seed set
B) the germination rate will be lower in the uncovered seed set
C) the germination rate will be higher in the uncovered seed set
D) The uncovered seed set will not germinate while the covered set will CORRECT ANS-C
Which of the following statements is true regarding the fruits produced by angiosperms?
A) fruits are typically derived from the seed coat
B) fruits cannot ripen once exposed to ethylene
C) fruits are typically derived from the wall of the ovary
D) fruits ripen in response to far red light CORRECT ANS-C
Which of the following statements is true of the seeds of both gymnosperms and
angiosperms?
A) seeds fro both plants contain a triploid (3n) endosperm
B) Seeds from both plants contain a diploid (2n) embryo