1. The diagram below represents structures found in a
human female.
Which process results in the formation of structure X?
A) mitosis
C) recombination
B) meiosis
D) cloning
2. Base your answer to the following question on Some
cells involved in the process of reproduction are
represented in the diagram below
The process of meiosis formed
A) cell 1, only
C) cell 3, only
B) cells 1 and 2
D) cells 2 and 3
3. Which sequence represents the correct order of processes
that result in the formation and development of an
embryo?
A)
B)
C)
D)
meiosis ®fertilization ®mitosis
mitosis ®fertilization ®meiosis
fertilization ®meiosis ®mitosis
fertilization ®mitosis ®meiosis
4. Base your answer to the following question on the diagram below and on your knowledge of biology. The
diagram represents a single-celled organism, such as an amoeba, undergoing the changes shown.
Process 1 is known as
A) replication
B) meiosis
C) differentiation
5. Which statement correctly describes the genetic makeup
of the sperm cells produced by a human male?
A) Each cell has pairs of chromosomes and the cells
are usually genetically identical.
B) Each cell has pairs of chromosomes and the cells
are usually genetically different.
C) Each cell has half the normal number of
chromosomes and the cells are usually genetically
identical.
D) Each cell has half the normal number of
chromosomes and the cells are usually genetically
different.
D) digestion
6. Base your answer to the following question on The diagram below illustrates some of the changes that occur
during gamete formation.
Which graph best represents the changes in the amount of DNA in one of the cells at each stage?
A)
B)
C)
D)
7. Base your answer to the following question on The diagram below represents processes involved in human
reproduction.
Which row in the chart below correctly identifies the processes represented by the letters in the diagram?
A) 1
B) 2
C) 3
D) 4
8. Most cells in the body of a fruit fly contain eight
9. Base your answer to the following question on The
chromosomes. In some cells, only four chromosomes are
diagram below represents a reproductive process.
present. What is this condition a direct result of?
A)
B)
C)
D)
mitotic cell division
meiotic cell division
embryonic differentiation
internal fertilization
The three structures indicated by letter X are known as
A)
B)
C)
D)
ova
embryos
polar bodies
homologous chromosomes
10. Each body cell of a chimpanzee contains 48
chromosomes. How many chromosomes would
normally be present in a gamete produced by this
chimpanzee?
A) 24
B) 36
C) 48
D) 96
15. Which statement is true of both mitosis and meiosis?
A)
B)
C)
D)
11. Sexual reproduction in a species usually results in
A) an increase in the chromosome number in the
offspring
B) offspring genetically identical to the parent
C) recombination of genes
D) a decrease in biodiversity
Both are involved in asexual reproduction.
Both occur only in reproductive cells.
The number of chromosomes is reduced by half.
DNA replication occurs before the division of the
nucleus.
16. The number in each circle below represents the
chromosome number of the cell. Which diagram
represents the production of offspring by an asexually
reproducing organism
A)
12. Which row in the chart below indicates the correct
process for each event indicated?
B)
A) 1
B) 2
C) 3
D) 4
13. Which two structures of a frog would most likely have
the same chromosome number?
A)
B)
C)
D)
skin cell and fertilized egg cell
zygote and sperm cell
kidney cell and egg cell
liver cell and sperm cell
C)
D)
14. Which row in the chart below best describes asexual
reproduction?
17. Asexually reproducing organisms pass on hereditary
information as
A) 1
B) 2
C) 3
D) 4
A)
B)
C)
D)
sequences of A, T, C, and G
chains of complex amino acids
folded protein molecules
simple inorganic sugars
18. Base your answer to the following question on The
diagram below represents chromosomes in a zygote.
Which diagrams best illustrate the daughter cells that
result from normal mitotic cell division of this zygote?
Base your answers to questions 19 and 20 on the
diagrams below.
19. Which diagram shows the pairing of homologous
chromosomes?
A) A
A)
B) B
C) C
D) D
20. Which diagram shows the formation of a cell plate?
B)
D)
C)
A) A
B) B
C) C
D) D
21. Base your answer to the following question on The
diagram below shows two different cells undergoing
mitotic cell division.
Which statement best describes these cells?
A)
B)
C)
D)
A and B are different types of animal cells.
A and B are different types of plant cells.
A is a plant cell and B is an animal cell.
A is an animal cell and B is a plant cell.