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Biology Eoc Category 1
Test Description: Texas biology EOC practice questions from the internet.
Instructions: Answer all questions to get your test result.
1) Which organelle is primarily concerned with the conversion of potential energy of organic compounds into suitable forms for immediate use by the cell?
A
vacuoules
B
mitochondria
C
centrosomes
D
ribosomes
2) Which structure, composed mainly of proteins and lipids, aids in maintaining homeostasis in a cell?
A
chromosome
B
nucleolus
C
cell membrane
D
centrosome
3) Which process requires the expenditure of cellular energy?
A
active transport
B
passive transport
C
osmosis
D
duffusion
4) Which molecules must be present in order for energy production to occur in the mitochondria of an animal cell?
A
carbon dioxide molecules
B
chlorophyll molecules
C
lactic acid molecules
D
oxygen molecules
5) A double-stranded molecule that contains instructions for the manufacture of cell protein.
A
transfer RNA
B
ATP
C
messenger RNA
D
DNA
6) Provides energy for biochemical reactions
A
transfer RNA
B
messenger RNA
C
DNA
D
ATP
7) Replicate prior to mitosis
A
ATP
B
messenger RNA
C
DNA
D
transfer RNA
8) Carries protein building blocks to ribosomes
A
messenger RNA
B
DNA
C
transfer RNA
D
ATP
9) The building blocks of both DNA and RNA molecules are known as
A
polysaccharides
B
nucleotides
C
hydrocarbons
D
amino acids
10) Ribosomes are organelles that function in the process of
A
cellular respiration
B
phagocytosis
C
pinocytosis
D
protein syntheis
11) Active transport is different from passive transport in that active transport involves
A
an expenditure of energy
B
a process which occurs only in the cells of simple plants and animals
C
the use of ribosomes
D
the movement of molecules from high concentration to low concentration
12) 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 bursting is most likely the result of which process?
A
active transport
B
staining
C
ingestion
D
osmosis
13) Which structure includes all of the others?
A
nucleolus
B
genes
C
nucleus
D
chromosomes
14) Which is an organic compound found in most cells?
A
sodium chloride
B
water
C
oxygen gas
D
glucose
15) Molecules that are too large to pass through the pores of a cell membrane may enter the cell by a process known as
A
hydrolysis
B
cyclosis
C
pinocytosis
D
synthesis
16) Which substances may pass through a cell membrane by simple diffusion?
A
carbon dioxide and water
B
carbon dioxide and starch
C
protein and fat
D
starch and protein
17) Microscope examination of an animal cell reveals the presence of a plasma membrane but no cell wall. Which additional structures would normally be present within this cell?
A
starch grains
B
centrioles
C
large vacuoles
D
chloroplasts
18) Which cytoplasmic organelles contain hereditary material and can undergo replication?
A
cell membranes and ribosomes
B
chloroplasts and cell walls
C
endoplasmic reticula and food vacuoles
D
mitochondria and chloroplasts
19) What is the role of DNA in controlling cellular activity?
A
DNA provides nucleotides for the construction of plasma
B
DNA determines which enzymes are produced by a cell
C
DNA provides energy for all cell activities
D
DNA is used by cells for the excretion of nitrogenous wastes
20) Which organelles function in the maintenance of water balance in freshwater protozoa?
A
food vacuoles
B
contractile vacuoles
C
lysosomes
D
ribosomes
*select an answer for all questions
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