SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
CLEP Natural Science
Start Test
Study First
Subjects
:
clep
,
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Photosynthetic reaction in which carbon dioxide is attached to an organic compound (glucose - polysaccharides)
carbon dioxide fixation
cell cycle
translation
grana
2. Projections on cell membrane increase surface area
nucleosome
microvilli
mutation
carbon dioxide fixation
3. Formed when cell membrane surrounds a molecule outside the cell and ingests it
angiosperms
organism
biennial
endocytic vesicles
4. A cell having two sets of chromosomes or twice the haploid number
mitochondria
genome
tonoplast
diploid
5. Vacuole membrane
virus
tonoplast
codon
endoplasmic reticulum
6. Provides structural support to a cell composed of microtubules - microfilaments - centrioles
gametes
cytoskeleton
ATP
eukoryotic cells
7. Composed of a bilayer of lipids embedded with globular proteins
cell membrane
electron microscope
cell wall
electron transport
8. The substance acted upon by an enzyme
biosynthesis
metabolism
substrate
shoot apex
9. Classification of plant which survives only a single season
cristae
annuals
active site
ovules
10. Hollow tubes of protein about 25 nanometers in diameter - support the cell and moves organelles within the cell
metaphase
anaphase
chlorophyll
microtubules
11. Site of protein synthesis. Free ribosomes - float unattached; attached ribosomes - attached to the ER
cell wall
ribosomes
metabolism
angiosperms
12. Membrane-bound organelle that stores water and soluble substances
prokaryotes
vacuole
metabolism
shoot apex
13. Numerous folds in the inner membrane of a mitochondrion - the site of cellular respiration
ovules
endoplasmic reticulum
cristae
pedicel
14. The organic process whereby the DNA sequence in a gene is copied into mRNA
catabolism
photolysis
annuals
transcription
15. Plants that grow year after year
electron transport
microfilaments
cell
perennial
16. Set of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes
metabolism
cytokinesis
biosynthesis
substrate
17. An internal membrane system in which components of cell membrane and some proteins are constructed. rough - instrumental in protein synthesis; smooth - processes lipids fats and steroids
mitosis
endoplasmic reticulum
facilitated diffusion
transduction
18. The part of an enzyme where the chemical reaction occurs
haploid
catabolism
post-transcriptional processing
active site
19. Process of building up complex materials (proteins) from simple materials
cell membrane
fermentation
anabolism
transcription
20. Green pigment contained in the grana
cell wall
chlorophyll
mutation
transduction
21. Three-nucleotide sequence on messenger RNA that codes for a single amino acid
electron transport
angiosperms
stigma
codon
22. Matching Chromosomes that are similar but not identical
homologs
transcription
grana
translation
23. Two identical chromosomes that split and contain the same genetic material
nucleosome
chromatids
gymnosperms
gene
24. The first stage of mitosis - forming spindle fibres attached to the centromere
organelles
prophase
eukoryotic cells
crossing over
25. Classification of plant which forms seeds inside a protective chamber called an ovary - inside a flower
centromere
cell
angiosperms
meiosis
26. Have tissues made of cells that transport water and nutrients throughout the plant
microtubules
cytoskeleton
vascular plants
homologs
27. The process whereby genetic information coded in messenger RNA directs the formation of a specific protein at a ribosome in the cytoplasm through tRNA
translation
microfilaments
nucleolus
centrioles
28. Double-stranded chains of proteins which give structure to the cell
endoplasmic reticulum
perennial
microfilaments
lysosomes
29. Cell division which produces two identical cells
ovules
mitosis
endoplasmic reticulum
alleles
30. The regular sequence of growth and division that cells undergo
anabolism
cell cycle
meiosis
mitosis
31. Proteins that act as biological catalysts
transformation
cytoskeleton
inhibitor
enzymes
32. Cells that lack a membrane-bound nucleus and membrane-bound organelles
active site
prokaryotes
catabolism
genome
33. The second phase of mitosis - during which the chromosomes line up across the center of the cell
endosymbiont hypothesis
metaphase
vacuole
mutation
34. Used to examine tiny cell organelles
eukoryotic cells
electron microscope
stroma
angiosperms
35. Different forms of a gene
alleles
organelles
metaphase
diploid
36. A substance that retards or stops enzymatic activity
organism
prophase
enzymes
inhibitor
37. Division of the cytoplasm during cell division - new cell is formed
substrate
lysosomes
centrioles
cytokinesis
38. Stage of cellular respiration that finishes the breakdown of pyruvic acid molecules to carbon dioxide - releasing energy
metabolism
organelles
krebs cycle
facilitated diffusion
39. Breakdown of more complex substances into simpler ones with release of energy
glycolysis
vascular plants
transcription
catabolism
40. Cell division that produces reproductive cells in sexually reproducing organisms
chromatids
mutation
cell wall
meiosis
41. Tubes - One of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope; play a role in cell division.
nuclear pores
ATP
centrioles
filament
42. The organ that bears the ovules of a flower - base of the pistil
ovary
gametes
transformation
electron microscope
43. Classification of plant whose life cycle survives two seasons
endosymbiont hypothesis
biennial
telophase
fermentation
44. Process by which a cell releases large amounts of material
DNA
exocytosis
microvilli
cytokinesis
45. Stalk that supports the flower
pedicel
filament
perennial
eukoryotic cells
46. A period during which the cell grows - G1 - copies its DNA - S - and synthesizes proteins - G2
enzymes
nucleosome
transcription
interphase
47. Bead-like structure in chromatin - composed of a short length of DNA wrapped around a core of histone proteins
cell cycle
nucleosome
microvilli
chromatin
48. The interchange of sections between pairing homologous chromosomes during the prophase of meiosis
haploid
stigma
crossing over
glycolysis
49. First step in releasing the energy of glucose - in which a molecule of glucose is broken into two molecules of pyruvic acid
organelles
glycolysis
nucleosome
codon
50. (adenosine triphosphate) main energy source that cells use for most of their work
carbon dioxide fixation
post-transcriptional processing
ATP
angiosperms
Can you answer 50 questions in 15 minutes?
Let me suggest you:
Browse all subjects
Browse all tests
Most popular tests
Major Subjects
Tests & Exams
AP
CLEP
DSST
GRE
SAT
GMAT
Certifications
CISSP go to https://www.isc2.org/
PMP
ITIL
RHCE
MCTS
More...
IT Skills
Android Programming
Data Modeling
Objective C Programming
Basic Python Programming
Adobe Illustrator
More...
Business Skills
Advertising Techniques
Business Accounting Basics
Business Strategy
Human Resource Management
Marketing Basics
More...
Soft Skills
Body Language
People Skills
Public Speaking
Persuasion
Job Hunting And Resumes
More...
Vocabulary
GRE Vocab
SAT Vocab
TOEFL Essential Vocab
Basic English Words For All
Global Words You Should Know
Business English
More...
Languages
AP German Vocab
AP Latin Vocab
SAT Subject Test: French
Italian Survival
Norwegian Survival
More...
Engineering
Audio Engineering
Computer Science Engineering
Aerospace Engineering
Chemical Engineering
Structural Engineering
More...
Health Sciences
Basic Nursing Skills
Health Science Language Fundamentals
Veterinary Technology Medical Language
Cardiology
Clinical Surgery
More...
English
Grammar Fundamentals
Literary And Rhetorical Vocab
Elements Of Style Vocab
Introduction To English Major
Complete Advanced Sentences
Literature
Homonyms
More...
Math
Algebra Formulas
Basic Arithmetic: Measurements
Metric Conversions
Geometric Properties
Important Math Facts
Number Sense Vocab
Business Math
More...
Other Major Subjects
Science
Economics
History
Law
Performing-arts
Cooking
Logic & Reasoning
Trivia
Browse all subjects
Browse all tests
Most popular tests