AP Biology - Mesa Public Schools
AP Biology
Test: Mitosis & Meiosis
Choose the best choice and bubble the corresponding choice on your answer sheet.
Do not write on this test.
1. Mitosis and cytoplasmic division function in:
a) growth. d) repair of tissue.
b) asexual reproduction. e) all of the above.
c) replacement of cells.
2. Which of the following is not associated with meiosis?
a) spore formation d) somatic cells
b) sexual reproduction e) sperm and egg
c) germ cells
3. Eukaryotic DNA molecules have:
a) no proteins d) small amounts of protein at each end.
b) proteins at one end e) large amounts of protein around which DNA is wound.
c) small proteins in the center.
4. Chromatids that are attached at the centromere are called what kind of chromatids?
a) mother d) daughter
b) sister e) programmed
c) brother
5. Proteins on which DNA is wound are called:
a) motor proteins. d) kinetochores.
b) spindles. e) histones.
c) centrioles.
6. The number of DNA molecules in a duplicated chromosome is:
a) one. d) four.
b) two. e) five.
c) three.
7. The number of chromosomes in a eukaryotic cell:
a) differs in various somatic cells of the same individual.
b) varies during the life cycle of the organism.
c) depends on the age of the tissue.
d) is the same for all members of the species.
e) none of the above.
8. Chromosomes and genes are replicated during:
a) anaphase. d) metaphase.
b) interphase. e) prophase.
c) telophase.
9. The interval before the onset of DNA replication is the:
a) G1 stage. d) S stage.
b) G2 stage. e) M stage.
c) mitosis.
10. The stage of the cell cycle just preceding nuclear and cytoplasmic division is the:
a) G1 stage. d) S stage.
b) G2 stage. e) M stage.
c) mitosis.
11. In mitosis, if a parent cell has 16 chromosomes, each daughter cell will have how many chromosomes?
a) 64 d) 8
b) 32 e) 4
c) 16
12. Cells with two of each kind of chromosome are described by the term:
a) haploid. d) polyploidy.
b) diploid. e) none of the above.
c) aneuploid.
13. The spindle apparatus is made of:
a) Golgi bodies. d) polysaccharides.
b) microtubules. e) chromatids.
c) nucleotides.
14. The spindle apparatus becomes visible during:
a) prophase d) telophase.
b) metaphase. e) interphase.
c) anaphase.
15. Which of the following is not true of spindles:
a) they are permanent structures of the skin.
b) they are bipolar
c) they are composed of tubulin
d) they attach to chromosomes
e) all of the above are true.
16. In eukaryotic cells, which can occur during the stages of mitois?
a) duplication of chromatids d) replication of DNA
b) crossing over e) all of the above.
c) break up of nuclear membrane.
17. In which of the following phases does each chromosome consist of two DNA molecules?
a) prophase and metaphase d) prophase and telophase
b) interphase and telophase e) all phases of mitosis.
c) anaphase and telophase.
18. Sister chromatids detach from each other during:
a) prophase d) telophase
b) metaphase e) interphase.
c) anaphase
19. The chromosomes arrive at opposite poles during:
a) prophase d) telophase
b) metaphase e) interphase.
c) anaphase
20. Chromosomes line up at the equator during:
a) prophase d) telophase
b) metaphase e) interphase.
c) anaphase
21. The nuclear membrane reforms during:
a) prophase d) telophase
b) metaphase e) interphase.
c) anaphase
22. The end result of mitosis is:
a) four haploid cells d) two haploid cells
b) four diploid cells e) none of the above.
c) one polyploid cell
23. Cytoplasmic division (cytokinesis):
a) differs in plant and animal cells.
b) usually accompanies nuclear division
c) involves microtubule or actin filaments
d) all of the above
e) none of the above
24. The uncontrolled division of cells can lead to:
a) cancer d) meiosis
b) mitosis e) cellular recombination
c) synapsis
25. The spread of cancer from one site in the body to another in the body is known as:
a) a benign tumor d) remission
b) migration e) metastasis
c) invasion
26. All of the following are advantages of sexual reproduction, except:
a) adaptation to a changing environment
b) increase in genetic variation
c) energetically costly
d) offspring with new traits
e) all of the above are advantages.
27. Meiosis can occur in:
a) plant ovaries d) human ovaries
b) plant anther e) all of the above
c) human testis
28. Asexually produced daughter cells are:
a) genetically identical d) different from the parents
b) same as the parent cell e) both a and b are correct
c) different from each other
29. Different or alternate forms of the same gene are called:
a) haploid d) diploid
b) allele e) chromatid
c) zygote
30. Having two copies of each type of chromosome is called:
a) haploid d) diploid
b) allele e) chromatid
c) zygote
31. Having only one copy of each type of chromosome is called:
a) haploid d) diploid
b) allele e) chromatid
c) zygote
32. The process of going from a diploid cell to a haploid cell occurs during:
a) replication d) interphase
b) meiosis e) anaphase
c) mitosis
33. Chromosomes that have the same type of genes in the same locations are called:
a) chromotids. d) chromatin.
b) dihybrids e) homologues
c) recombinant
34. Crossing over occurs during:
a) prophase I d) anaphase II
b) metaphase II e) prophase II
c) anaphase I
35. Crossing over is important because it can lead to:
a) a sex change d) a new national allegiance
b) identical daughter cells e) none of the above
c) tissue repair
36. Crossing over involves:
a) alignment of homologous pairs
b) formation of a tetrad
c) synapsis
d) chiasma
e) all of the above
37. In a developing sperm cell at the beginning of prophase I, there are how many molecules of DNA?
a) 23 d) 46
b) 92 e) 11.5
c) 115
38. If a child more resembles one parent’s traits it could be explained from the movement of chromosomes during:
a) prophase I d) anaphase II
b) metaphase II e) prophase II
c) anaphase I
39. If a diploid organism has 4 pairs of chromosomes it can produce how many different combinations of maternal and paternal chromosomes (disregarding crossing over):
a) 4 d) 16
b) 8 e) 32
c) 12
40. The random alignment of chromosomes at the equator during meiosis is referred to as:
a) independent assortment d) centrosomation
b) linked assortment e) crossing over
c) equatorial delineation.
41. During oogenesis an unequal sharing of cytoplasm during cytokinesis leads to the formation of
a) one ovum d) all of the above.
b) three polar bodies e) none of the above
c) less eggs than sperm
42. Circular DNA, lack of a nucleus and no chromosomes are characteristics of:
a) plants d) fungi
b) animals e) prokaryotes
c) eukaryotes
43. A multicellular haploid stage can be found in many:
a) bacteria d) humans
b) plants e) all of the above
c) prokaryotes
44. Meiosis leads to the formation of sex cells or:
a) identical daughter cells d) gametes
b) chromatids e) zygotes
c) somatic cells
45. The union of a male sperm with a female egg is called:
a) trouble d) spermatogenesis
b) oogenesis e) fertilization
c) mitosis
46. When chromosomes fail to separate equally during meiosis it is called:
a) nondisjunction d) spindilation
b) allopatriation e) nondisclosure
c) synapsis
47. Trisomy 21 is an example of:
a) an extra chromosome d) all of the above
b) nondisjunction e) none of the above
c) a problem with meiosis
48. Nondisjunction during meiosis I can lead to:
a) four viable, good gametes d) two complete daughter cells
b) four mutant gametes e) all of the above
c) 2 bad, 2 good gametes
49. Spermatogenesis produces:
a) one sperm d) all of the above.
b) three polar bodies e) none of the above
c) two viable sperm
50. Fertilization of plant gametes produces a:
a) spore d) haploid cell
b) gametophyte e) zygote
c) multicellular haploid plant.
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