Focus On Life Science: California Grade 7

Chapter 2: From a Cell to an Organism

Standard Assessment

1.
If a group of organs work together to perform a specific job, what are they called? 5.a
A)helper organs
B)an organism
C)an organ system
D)tissue systems
2.
A multicellular organism has ________. 5.a
A)a single cell
B)complex organization
C)simple organization
D)organelles without membranes
3.
During prophase, the two centrioles __________. 1.e
A)help plant cells develop
B)disintegrate during the process
C)turn into chromosomes
D)move to opposite ends of the cell
4.
Which of the following is NOT an organ? 5.a
A)blood tissue
B)skin
C)bones
D)the heart
5.
The process in which cells become different kinds of cells is _______. 1.f
A)cell differentiation
B)cell cycle
C)specialized cell
D)connective cells
6.
Which is often true of differentiated cells? 1.f
A)They are identical to other cells.
B)They function the same as other cells.
C)They have the same shape as other cells.
D)They have structures that are different from other cells.
7.
During which stage of mitosis does sister chromatids separate? 1.e
A)interphase
B)anaphase
C)metaphase
D)telophase
8.
The final step in the mitosis process for animal cells is _________. 1.e
A)interphase
B)centrioles
C)telophase
D)chromosomes
9.
__________ is a group of similar cells that work in unison to perform one function. 5.a
A)A nucleus
B)A lysosome
C)A vacuole
D)A tissue
10.
What process replaces the cells when you cut your finger? 1.e
A)chromosome replication
B)reproduction
C)mitosis and cell division
D)red blood cells
11.
The process of the cell cycle where the nucleus divides to create two identical nuclei is called __________. 1.e
A)mitosis
B)DNA
C)interphase
D)mutation
12.
Why might a cell use mitosis to divide? 1.e
A)to produce sperm
B)to produce sex cells
C)so fertilization can take place
D)to replace aging or injured cells
13.
Which of these is the result of mitosis? 1.e
A)2 daughter cells, each with one half the chromosomes of the original cell.
B)2 daughter cells, each with the same number of chromosomes as the original cell.
C)1 daughter cell with the same number of chromosomes as the original cell.
D)1 daughter with one half the chromosomes of the original cell.
14.
Palm trees and pandas have __________. 5.a
A)prokaryotic cells
B)cells of only one size
C)eukaryotic cells
D)a single cell
15.
Cells reproduce, grow, and develop. This is know as _______. 1.e
A)shedding
B)mitosis
C)multicellular
D)cell cycle
16.
Put the level of organization in order from smallest to largest. 5.a
A)cells, tissues, organs, and organ systems
B)organ system, organs, tissues, and cells
C)organs, tissues, cells, and organ system
D)cells, organs, tissues, and organ systems
17.
During _____ the nucleus divides. During _______ the cytoplasm divides. 1.c
A)mitosis, cytokinesis
B)cytokinesis, mitosis
C)mitosis, mitosis
D)cytokinesis, cytokinesis
18.
Which shows the correct stages of mitosis from start to finish. 1.e
A)telophase, anaphase, metaphase, prophase
B)metaphase, anaphase, prophase, telophase
C)telophase, metaphase, anaphase, prophase
D)prophase, metaphase, anaphase, telophase
19.
Which of the following is an organ? 5.a
A)nerve tissue
B)stomach
C)blood tissue
D)muscle tissue
20.
Groups of similar cells that all do the same sort of work are called __________. 5.a
A)organ systems
B)organs
C)tissues
D)cell systems
Grade 7
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