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CMS Benchmark 1
Test Description: Practice for 1st nine weeks benchmark
Instructions: Answer all questions to get your test result.
1) A student observes onion cells under a microscope at 400x magnification. The student should be able to observe
A
mitochondria
B
nucleus
C
ribosome
D
centriole
2) What is the highest magnification that can be obtained with a microscope that has a 10x eyepiece with 10x and 43x objectives?
A
43x
B
430x
C
100x
D
4300x
3) Which microscope part regulates the amount of light that reaches the objective lens?
A
diaphragm
B
eyepiece
C
objective lens
D
fine adjustment knob
4) Which process requires the expenditure of cellular energy?
A
active transport
B
passive transport
C
diffusion
D
osmosis
5) The process of osmosis is best illustrated by the movement of
A
carbon dioxide through stomates
B
oxygen into red blood cells
C
water into root hair cells
D
glucose through phloem
6) A biologist diluted a blood sample with distilled water. While observing the sample under a microscope, she noted that the red blood cells burst. This was caused by T
A
staining
B
active transport
C
osmosis
D
ingestion
7) The organelle that is the site of cellular respiration is the
A
chloroplast
B
ribosome
C
mitochondrion
D
nucleus
8) An organelle found in most plant cells, but absent from animal cells, is the
A
Golgi complex
B
centriole
C
chloroplast
D
contractile vacuole
9) Which cell part selectively regulates the entry and exit of substances?
A
nucleolus
B
nuclear membrane
C
ribosome
D
cell membrane
10) Which statement is NOT part of the cell theory?
A
Cell parts such as chloroplasts are self replicating.
B
Cells come from pre-existing cells.
C
Cells are the basic unit of function of living things.
D
Cells are the basic unit of structure of living things.
11) Which of the following produces identical nuclei in cells?
A
pollination
B
mitosis
C
osmosis
D
fertilization
12) Which is the best tool to measure the volume of a liquid?
A
balance
B
thermometer
C
measuring tape
D
graduated cylinder
13) Euglena uses which of these to move?
A
flagellum
B
vacuole
C
cilia
D
pseudopodia
14) What are the basic structural units of living organisms?
A
organs
B
tissues
C
cells
D
nuclei
*select an answer for all questions
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