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Biology 2nd Qtr. Benchmark
Test Description: This will prepare you for the 2nd marking period Biology benchmark exam.
Instructions: Answer all questions to get your test result.
1) Which type of microscope uses a beam of light passing through one or more lenses, thereby producing an enlarged image of the object or specimen being viewed?
A
light microscope
B
scanning electron microscope
C
computer microscope
D
transmission electron microscope
2) If a microscope has a 10X eyepiece and a 50X objective lens, what is the total magnification of a slide placed on the stage?
A
5,000X
B
50X
C
500X
D
5X
3) Which of the following microscope parts should NEVER be used with the high power objective?
A
ocular
B
diaphragm
C
coarse adjustment
D
fine adjustment
4) The maximum size to which a cell can grow is limited mainly by the cell's
A
function
B
surface area
C
shape
D
internal organization
5) ATP(adenosine triphosphate) is composed of adenine, ribose(a 5-carbon sugar) and :
A
one phosphate group
B
three phosphate groups
C
four phosphate groups
D
two phosphate groups
6) A balanced or steady state that a cell tries to maintain for stability.
A
permeability
B
concentration
C
homeostasis
D
diffusion
7) When concentrations on both sides of a cell membrane are the same.
A
hypotonic
B
hypertonic
C
permeable
D
equilibrium
8) The diffusion of water molecules is called
A
osmosis
B
diffusion
C
active transport
D
protein transport
9) When a cell engulfs(takes in) materials that are too large to diffuse in through the membrane.
A
endocytosis
B
exocytosis
C
osmosis
D
passive transport
10) Movement of materials across a cell membrane without using energy.
A
plasmolysis
B
cytolysis
C
passive transport
D
active transport
11) Which one of the following organelles is found in both plant and animal cells?
A
cell wall
B
ribosome
C
chloroplast
D
large central vacuole
12) Chromatin..
A
helps maintain homeostasis
B
is the structure called the phospholipid bi-layer
C
contains the DNA
D
protects the cell by controlling what moves in and out.
13) The 3 main components of a eukaryotic cell are
A
cell membrane, cytoplasm, nucleus that contains DNA
B
ribosomes, cytoplasm, cell membrane
C
chlorplasts, cell wall, cell plate
D
cell wall, cytoplasm, mitochondria
14) Which one is not true about the cell membrane?
A
contains the DNA
B
structure called the phospholipid bi-layer
C
protects the cell by controlling what moves in and out
D
helps maintain homeostasis
15) During aerobic respiration, cells produce 38 molecules of ATP per breakdown of one molecule of
A
lactic acid
B
carbon
C
amino acid
D
glucose
16) Which of the following best describes the process of photosynthesis?
A
a series of reactions that converts artificial energy into natural energy
B
a series of reactions that converts chemical energy into light energy
C
a series of reactions that converts light energy into chemical energy
D
a series of reactions that converts potential energy into kinetic energy
17) Which of the following is not a stage of cellular respiration?
A
Hydrogen transport chain
B
Krebs Cycle
C
Glycolysis
D
Calvin Cycle
18) What is the relationship between photosynthesis and respiration?
A
they are the same
B
both processes involve sunlight
C
there is no relationship
D
the products of photosynthesis are the reactants of cellular respiration
19) Which one is not a part of the 'Cell Theory'?
A
all cells come only from other living cells
B
cell size is limited by function
C
all organisms are composed of cells
D
cells are the basic units of structure and function in an organism
20) Which one completely lists the products of photosynthesis?
A
carbon dioxide, sunlight energy, water
B
ATP, acetic acid, pyruvic acid
C
water, oxygen, sunlight
D
glucose and oxygen
*select an answer for all questions
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