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