GENERAL BIOLOGY 1
(1st Quarter Exam)
Instructions: PRAY first and read the following questions and write the correct letter of the
corresponding answer in the answer sheet separately.
I. MULTIPLE CHOICE
1. Before cells can divide, which of the following must be replicated first?
a)DNA
b)nucleus
c)mitochondria
d)RNA
2.A human cell has 46 chromosomes before mitotic division. How many chromosomes will the
daughter have cells after mitosis.
a)46
b)12
c)23
d)92
3.During which phase of cell division does the cell double in size and replicate its DNA?
a)Telophase
b)Metaphase
c)Prophase
d)Interphase
4. Mitosis was first discovered in _________.
a)Animal Cells
c)Sex Cells
b)Plant Cells
d)Body Cells
5. ___________ is the phase of the cell cycle during which the cell prepares for division.
a)Prophase
b)Anaphase
c)Metaphase
d)Interphase
6. It is the third step of meiosis 1 in which the chromosomes move in opposite directions with their
kinetochores leading them with the help of microtubules or spindle fibers.
a)Prophase I
b)Anaphase I
c)Metaphase I
d)Interphase I
7. The final stage of Meiosis I and marks the end of the first division.
a)Prophase I
b)Anaphase I
c)Metaphase I
d)Telophase I
8. Is a stage in meiosis II, which is the second part of the meiosis process that leads to the
formation of gametes (sperm and egg cells)
a)Prophase II
b)Anaphase II
c)Metaphase II
d)Telophase II
9. In this phase of meiosis II, there is a simultaneous splitting of the centromere of each
chromosome and the sister chromatids are pulled away towards the opposite poles.
a)Prophase II
b)Anaphase II
c)Metaphase II
d)Telophase I
10. Is the final stage of meiosis II, a process of cell division that results in the formation of four
haploid cells, each containing half the number of chromosomes as the original cell.
a)Prophase II
b)Anaphase II
c)Metaphase II
d)Telophase II
11. Is the final stage in the cell cycle.
a)mitosis
c)karyokinesis
b)interphase
d)cytokinesis
12. The individual strands on duplicated chromosomes are called_____________
a)Centromeres
b)Chromatids
c)Chromosomes
d)Chromatin
13. In which phase do cells spend the longest time?
a)mitosis
b)interphase
c)karyokinesis
d)cytokinesis
14. Matt uses a microscope to look at slides of plant cells. He sees a cell with two nuclei forming
that also have visible chromosomes. In which stage of cell division is this cell?
a)interphase
b)prophase
c)anaphase
d)telophase
15. What cellular organelle organizes the framework of microtubules involved in cell division?
a) centromeres
b) centrioles
c) sister chromatids
d) spindle
16. Which of the following is mismatched?
a)cell plate : plant cell :: cleavage furrow : animal cell
b)interphase : longest phase :: prophase : shortest phase
c)G1 : cells mature :: G2 : proteins synthesis
d)karyokinesis : nucleus split :: cytokinesis : cell wall split
17. During which phase of cell division does the cell double in size and replicate its DNA?
a)Telophase
b)Metaphase
c)Prophase
d)Interphase
18. All of the following occurs during the longest phase of the cell cycle except:
a)proteins are synthesized
b)DNA is replicated
c)spindle fibers start to form
d)cells make more cytoplasm
19. All of the following occurs during telophase except:
a)chromosomes uncoil
b)nuclear envelope disintegrate
c)nucleolus appear
d)spindle fibers disappear
20. Domestic cats have 38 chromosomes. How many chromosomes are present during telophase,
where two daughter nuclei are starting to form?
a)46
b)38
c)19
d)76
II. TRUE or FALSE (Write TRUE if the statement is correct, write FALSE if the statement is
incorrect.)
21. Spindle fibers are constructed from microfilaments that assist the cell in the physical
separation of chromosomes during mitosis.
22. A cell spends approximately 50% of its cycle in interphase and another 50% in mitosis.
23. In G1 the cell double checks the duplicated chromosomes for errors and makes any needed
repairs.
24. The use cell replication for destroying and bombarding of cells and tissues.
25. Anaphase 1 is known for the movement of chromosomes to the opposite poles of the cell.
26. Prophase II ensures that each of the resulting gametes will receive two copy of each
chromosome.
27. In metaphase II, the chromosomes, now containing a single chromatids align in pairs.
28. In metaphase II, the chromosomes, now consisting of dual chromatids.
29. In meiosis II DNA does not replicate.
30. Genetic recombination crossing over occurs in Meiosis I
II. IDENTIFICATION
31-35. Name the 5 stages of Prophase 1
1.
2.
3.
4.
5.
36. ______________ are the structures made of microtubules.
37. The homologous chromosomes pair up to form structures is called.
38. Stage 1 of cytokinesis focuses on establishing the location of the_____________.
39. In the stage 2 of cytokinesis the _______________begins to form.
40. ATP stands for?
41. Mitosis occurs in all organism except_______.
42. __________is the best material to study mitosis.
43. In single-celled organism, ___________is seen as the process of asexual reproduction.
44. Hertwig first observed the process in __________eggs.
45. Meiosis was discovered by the German biologist _____________ in 1876.
46-50. Name the 5 steps/stages of Telophase II
1.
2.
3.
4.
5.