Second Midterm Examination: Sample
answers
(Note: Although presentation
sequence of questions in the actual test may not match this list, the
set of questions are the same)
Question 1 (1.5 points)
Question 2 (1.5 points)
Question 3 (1.5 points)
Question 4 (1.5 points)
Question 5 (1.5 points)
Question 6 (1.5 points)
Question 7 (1.5 points)
Question 8 (1.5 points)
Question 9 (1.5 points)
Question 10 (1.5 points)
Question 11 (1.5 points)
Question 12 (1.5 points)
Question 13 (1.5 points)
Question 14 (1.5 points)
Question 15 (1.5 points)
a.
light energy and CO2 ,
sugar
b.
sugar and O2 , CO2 ,
NADPH, and ATP
c.
light energy, CO2 , and
water, sugar and O2
d.
CO2 ,
ATP, and NADPH, sugar
e.
CO2 , ATP, and NADPH,
sugar and O2
Question 16 (1.5 points)
Question 17 (1.5 points)
Question 18 (1.5 points)
Question 19 (1.5 points)
Question 20 (1.5 points)
Question 21 (1.5 points)
Question 22 (1.5 points)
Question 23 (1.5 points)
Question 24 (1.5 points)
Question 25 (1.5 points)
Question 26 (1.5 points)
Question 27 (1.5 points)
Question 28 (1.5 points)
Question 29 (1.5 points)
Question 30 (1.5 points)
Question 31 (1.5 points)
Question 32 (1.5 points)
Question 33 (1.5 points)
Question 34 (1.5 points)
Question 35 (1.5 points)
Question 36 (1.5 points)
Question 37 (1.5 points)
Question 38 (1.5 points)
Question 39 (1.5 points)
Question 40 (1.5 points)
Question 41 (4 points)
Question 42 (4 points)
Differentiate
between glycolysis and Kreb's cycle
Question 43 (4 points)
Describe
ATP cycle.
Question 44 (4 points)
Differentiate
between C3 and CAM plants
Question 45 (4 points)
Differentiate
between ONE of the following
a) grana and stroma
b) light reaction and dark reaction
Question 46 (4 points)
Write
short notes on any TWO of the following:
A) Karyotype B) Haploid C) Crossing over
Question 47 (4 points)
Differentiate
between any ONE
A)
Klinefelter syndrome and Down syndrome
B) Centrosome and Centromere
Question 48 (4 points)
Differentiate
between genotype and phenotype
Question 49 (4 points)
Differentiate
between any ONE of the following
a) linkage and crossing
over
b) monohybrid and dihybrid corss
Question 50 (4 points)
A
friend of yours is impressed by your knowledge of genetics and recommends her
friend, Linda, to you for a genetic counseling. Although Linda and her husband
are normal, their first child died from cystic fibrosis (CS). Linda wishes to
have another child but she is quite apprehensive about having another CS
child. Please tell Linda what her odds are to have a CS child and why?
[Hint: CS is an autosomal recessive trait]
Question 51 (5 points)
BONUS
QUESTION
A light-harvesting antenna of pigment molecules passes energy to a
photosystem's (PS-II) reaction center. At the reaction center, a chrophyll a
molecule looses its light-excited electron to primary electron acceptor.
Chlorophyll a becomes electron deficient as a result. Explain
how chlorophyll a recover new electrons and what happens to the electrons lost
to primary electron acceptor?