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. Breakdown of more complex substances into simpler ones with release of energy
catabolism
haploid
pedicel
cofactor
2. The first stage of mitosis - forming spindle fibres attached to the centromere
organelles
electron transport
prophase
ribosomes
3. The male reproductive organ of a flower consisting of anther - filament - and pollen
meiosis
gene
ATP
stamen
4. Classification of plant whose life cycle survives two seasons
endosymbiont hypothesis
prophase
genome
biennial
5. The interchange of sections between pairing homologous chromosomes during the prophase of meiosis
crossing over
stigma
microfilaments
centromere
6. Used to examine tiny cell organelles
diploid
chlorophyll
microvilli
electron microscope
7. Projections on cell membrane increase surface area
facilitated diffusion
stigma
microvilli
mutation
8. Passive transport of materials across a plasma membrane by transport proteins embedded in the plasma membrane
facilitated diffusion
tonoplast
annuals
ATP
9. Three-nucleotide sequence on messenger RNA that codes for a single amino acid
gene
golgi apparatus
codon
transformation
10. Stage of cellular respiration that finishes the breakdown of pyruvic acid molecules to carbon dioxide - releasing energy
reduction
cofactor
krebs cycle
diploid
11. Smallest unit of most living things
ATP
biennial
microfilaments
cell
12. First step in releasing the energy of glucose - in which a molecule of glucose is broken into two molecules of pyruvic acid
filament
glycolysis
active transport
angiosperms
13. Uses electrons from the Krebs cycle to change ADP to ATP (cytochromes on surface of cristae of mitochondria - contain protein and heme (iron containing) groups - electrons pass along them and ATP is produced)
active transport
electron transport
telophase
reduction
14. Theory which suggests mitochondria and chloroplasts were once prokaryotic organisms in a symbiotic relationship with eykorytic cells
centromere
cofactor
endosymbiont hypothesis
anabolism
15. A cell having two sets of chromosomes or twice the haploid number
filament
chlorophyll
diploid
tonoplast
16. Pores which allows materials to move in and out of the cell nucleus
ribosomes
nuclear pores
transcription
pedicel
17. A substance that retards or stops enzymatic activity
chromatids
diploid
inhibitor
organelles
18. The complete genetic material contained in an individual
transformation
genome
chromatids
microvilli
19. Sticky portion at the top of the style which traps pollen
angiosperms
stigma
transcription
fermentation
20. Photosynthetic reaction in which carbon dioxide is attached to an organic compound (glucose - polysaccharides)
carbon dioxide fixation
crossing over
reduction
codon
21. Disk-like plates which are the site of photosynthesis in chloroplasts
grana
transcription
centromere
anabolism
22. The process of transfering genetic material from one cell to another
catabolism
stroma
transduction
telophase
23. Green pigment contained in the grana
chlorophyll
prosthetic group
prokaryotes
microfilaments
24. Body of a chloroplast containing grana
stroma
translation
lysosomes
codon
25. Reproductive cells - have only half the number of chromosomes
gametes
anabolism
pedicel
homologs
26. Formed when cell membrane surrounds a molecule outside the cell and ingests it
nuclear pores
nucleolus
chromatin
endocytic vesicles
27. Small structures in the cytoplasm of a cell that do special jobs
organelles
angiosperms
anther
grana
28. The stalk of a stamen that supports the anther
electron transport
stamen
organelles
filament
29. Membrane-bound organelle that stores water and soluble substances
chromatids
vacuole
nucleosome
facilitated diffusion
30. Composed of a bilayer of lipids embedded with globular proteins
cell membrane
filament
nuclear pores
chromatin
31. Classification of plant which survives only a single season
annuals
gametes
crossing over
virus
32. A non-protein - but organic - molecule (such as vitamin) that is covalently bound to an enzyme as part of the active site
prosthetic group
transcription
perennial
carbon dioxide fixation
33. Anaerobic cellular respiration in which pyruvic acid is broken down into end products such as lactic acid
filament
translation
microfilaments
fermentation
34. Modifications of pre-mRNA that make it into mature mRNA - so that it is ready for protein synthesis
vacuole
chlorophyll
post-transcriptional processing
prokaryotes
35. The regular sequence of growth and division that cells undergo
DNA
facilitated diffusion
cell cycle
post-transcriptional processing
36. Classification of plant which forms seeds inside a protective chamber called an ovary - inside a flower
angiosperms
grana
gymnosperms
active transport
37. Change in a DNA sequence that affects genetic information
substrate
nuclear pores
mutation
metaphase
38. Cell organelle filled with enyzmes need to break down certain materials in the cells
lysosomes
active site
krebs cycle
gene
39. Matching Chromosomes that are similar but not identical
chromatids
stroma
homologs
inhibitor
40. Plants that grow year after year
catabolism
stamen
perennial
prosthetic group
41. Division of the cytoplasm during cell division - new cell is formed
cytokinesis
endosymbiont hypothesis
cytoskeleton
homologs
42. Double-stranded chains of proteins which give structure to the cell
microfilaments
cofactor
angiosperms
electron microscope
43. Modification of a cell by the incorporation of exogenous DNA
microvilli
biennial
transformation
ribosomes
44. (adenosine triphosphate) main energy source that cells use for most of their work
cristae
gymnosperms
ATP
virus
45. Has a nucleus - has organelles or other cell parts
cell membrane
endoplasmic reticulum
eukoryotic cells
shoot apex
46. The part of the stamen that contains pollen
organelles
transcription
anther
nucleolus
47. Classication of plant which produce seeds which are 'naked' (in cones)
gymnosperms
secretory vesicles
chromatids
organism
48. The organic process whereby the DNA sequence in a gene is copied into mRNA
transcription
chlorophyll
inhibitor
pistil
49. A cell having only one complete set of chromosomes
active transport
centromere
haploid
ribosomes
50. The process whereby genetic information coded in messenger RNA directs the formation of a specific protein at a ribosome in the cytoplasm through tRNA
eukoryotic cells
transcription
translation
post-transcriptional processing
Sorry!:) No result found.
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