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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
ribosome
B
centriole
C
nucleus
D
mitochondria
2) What is the highest magnification that can be obtained with a microscope that has a 10x eyepiece with 10x and 43x objectives?
A
4300x
B
43x
C
100x
D
430x
3) Which microscope part regulates the amount of light that reaches the objective lens?
A
eyepiece
B
diaphragm
C
objective lens
D
fine adjustment knob
4) Which process requires the expenditure of cellular energy?
A
osmosis
B
active transport
C
passive transport
D
diffusion
5) The process of osmosis is best illustrated by the movement of
A
oxygen into red blood cells
B
carbon dioxide through stomates
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
ingestion
B
active transport
C
staining
D
osmosis
7) The organelle that is the site of cellular respiration is the
A
ribosome
B
mitochondrion
C
nucleus
D
chloroplast
8) An organelle found in most plant cells, but absent from animal cells, is the
A
chloroplast
B
Golgi complex
C
contractile vacuole
D
centriole
9) Which cell part selectively regulates the entry and exit of substances?
A
ribosome
B
nucleolus
C
cell membrane
D
nuclear membrane
10) Which statement is NOT part of the cell theory?
A
Cells come from pre-existing cells.
B
Cells are the basic unit of structure of living things.
C
Cells are the basic unit of function of living things.
D
Cell parts such as chloroplasts are self replicating.
11) Which of the following produces identical nuclei in cells?
A
osmosis
B
fertilization
C
pollination
D
mitosis
12) Which is the best tool to measure the volume of a liquid?
A
measuring tape
B
graduated cylinder
C
balance
D
thermometer
13) Euglena uses which of these to move?
A
vacuole
B
pseudopodia
C
flagellum
D
cilia
14) What are the basic structural units of living organisms?
A
tissues
B
nuclei
C
organs
D
cells
*select an answer for all questions
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