BIOL 2150 FINAL EXAM UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Question:
1. Which of the following is not an assumption of Hardy-
Weinberg equilibrium?
Answer:
populations must select non-random mates
Question:
2. All the alleles present in all individuals in a species are
referred to as the ____ of that species.
Answer:
gene pool
Question:
3. In the life cycle of an angiosperm, double fertilization
refers to
Answer:
one sperm nucleus fertilizes the egg and a second sperm nucleus combines with
the two polar nuclei
Question:
4. The pulmonary veins:
Answer:
carry oxygenated blood from the lungs to the left atrium
Question:
5. Under conditions of resting membrane potential, the
inside of the cell is ____ charged with respect to the
outside, and when an action potential is generated, the
inside becomes ____ with respect to the outside of the cell.
Answer:
negatively; positive
Question:
6. The diurnal or nocturnal behavior of animals is regulated
- in a large part - by which of the following hormones?
Answer:
melatonin
, Question:
7. In vertebrates, which endocrine organ is a part of the
brain (processing sensory information) and
communicates with the rest of the endocrine system?
Answer:
the hypothalamus
Question:
8. Which of the following hormones is indicative of the
presence of a developing embryo and thus is the basis of
home pregnancy tests?
Answer:
hCG
Question:
9. You are studying reproduction in a species of frog. Two
gametes that are diploid join to form a viable zygote (F1).
If the F1 mates with one of the parents, will there be
viable offspring?
Answer:
no
Question:
10. Which of the following statements is true regarding
polyploidy in plants?
Answer:
the formation of a polyploidy hybrid is a common mechanism of sympatric
speciation in plants
Question:
11. Is natural selection the same thing as evolution?
Answer:
no, they are not the same because natural selection works on individuals, whereas
evolution is change in populations
Question:
12. Which of the following processes occur within Bowman's
capsule?
Answer:
filtration
QUESTIONS AND CORRECT ANSWERS
Question:
1. Which of the following is not an assumption of Hardy-
Weinberg equilibrium?
Answer:
populations must select non-random mates
Question:
2. All the alleles present in all individuals in a species are
referred to as the ____ of that species.
Answer:
gene pool
Question:
3. In the life cycle of an angiosperm, double fertilization
refers to
Answer:
one sperm nucleus fertilizes the egg and a second sperm nucleus combines with
the two polar nuclei
Question:
4. The pulmonary veins:
Answer:
carry oxygenated blood from the lungs to the left atrium
Question:
5. Under conditions of resting membrane potential, the
inside of the cell is ____ charged with respect to the
outside, and when an action potential is generated, the
inside becomes ____ with respect to the outside of the cell.
Answer:
negatively; positive
Question:
6. The diurnal or nocturnal behavior of animals is regulated
- in a large part - by which of the following hormones?
Answer:
melatonin
, Question:
7. In vertebrates, which endocrine organ is a part of the
brain (processing sensory information) and
communicates with the rest of the endocrine system?
Answer:
the hypothalamus
Question:
8. Which of the following hormones is indicative of the
presence of a developing embryo and thus is the basis of
home pregnancy tests?
Answer:
hCG
Question:
9. You are studying reproduction in a species of frog. Two
gametes that are diploid join to form a viable zygote (F1).
If the F1 mates with one of the parents, will there be
viable offspring?
Answer:
no
Question:
10. Which of the following statements is true regarding
polyploidy in plants?
Answer:
the formation of a polyploidy hybrid is a common mechanism of sympatric
speciation in plants
Question:
11. Is natural selection the same thing as evolution?
Answer:
no, they are not the same because natural selection works on individuals, whereas
evolution is change in populations
Question:
12. Which of the following processes occur within Bowman's
capsule?
Answer:
filtration
