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Test your basic knowledge |
SAT Subject Test: Biology
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Subjects
:
sat
,
science
,
biology
Instructions:
Answer 50 questions in 15 minutes.
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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. Partially digested food in the stomach
chyme
bile salts
Coelentrata
metamorphosis
2. An organic molecule consisting of joined phosphate - 5-carbon sugar (deoxyribose or ribose) - and a purine or a pyrimidine (adenine - guanine - uracil - thymine or cytosine)
nucleotide
hydrostatic skeleton
genetic drift
allantois
3. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac
urine
amnion
thyroid
synapse
4. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules
anaphase
adenosine phosphate
homozygous
corpus luteum
5. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
cell wall plate
taiga
incomplete dominance
levels of structure
6. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland
frame shift mutation
hormone
gibberellin
hyperthyroidism
7. A pair of chromosome pairs present during the first metaphase of meiosis
tetrad
rhodopsin
gibberellin
endosperm
8. A plant that lives on another plant mensalistically
epiphyte
diastole
nucleolus
cytoplasm
9. The orderly process by which one biotic community replaces another until a climax community is established
sensory neuron
pairing
ecological succession
cleavage
10. A chemical action that releases energy from glucose to form ATP
seminal fluid
circadian rhythms
chromatid
respiration
11. Blood protein that is transformed to fibrin upon clotting
purine
bacteriophage
fibrinogen
Coelentrata
12. A plastid containing chlorophyll
guard cell
chloroplast
polymer
colon
13. Any chromosome that is not a sex chromosome
deamination
hypocoytl
autosome
endemic
14. The individual differences of form among the members of a species
humerus
polymorphism
Chordata
nerve net
15. The sensory branch of each spinal nerve
hepatic portal system
dorsal root
diencephalon
urea
16. The area of medulla that regulates the rate of breathing
plankton
nephron
spermatogenesis
respiratory center
17. The thin-walled anterior chamber of the heart (also called the auricle)
isotonic
chemotropism
follicle
atrium
18. The removal of an amino group from an organism - particularly from an amino acid
meninges
interstitial cells
plexus
deamination
19. Random evolutionary changes in the genetic makeup of a population
adrenal cortex
genetic drift
plasma
corpus callosum
20. Requiring free oxygen from the atmosphere for normal activity and respiration
aerobic
synergistic
functional groups
urinary bladder
21. The inner layer of an organ surrounded by the cortex
nondisjunction
corpus callosum
gametophyte
medulla
22. Functional urinary tubules responsible for excretion in the kidney of vertebrates
nephron
photolysis
absorption
bacteriophage
23. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs
endoderm
dominance
bacteriophage
recombinant DNA technology
24. A cell that divides to form two secondary spermatocytes
exocrine
pepsin
primary spermatocyte
digestion
25. The liquid part of blood
contractile vacuole
clotting
biome
plasma
26. The diffusion of water through a semipermeable membrane - from an area of greater concentration to an area of lesser concentration
pepsin
littoral zone
capillary
osmosis
27. An organism that must get its inorganic and organic raw materials from the environment; a consumer
heterotroph
nerve
fertilization
femur
28. A dark-staining small body within the nucleus; composed of RNA
maltase
bud
phloem
nucleolus
29. A reproductive cell that is capable of developing directly into an adult
spore
deoxyribose
protein
centrosome
30. A disease-causing organism
pathogen
ethanol fermentation
sex chromosome
chlorophyll
31. The place of attachment of the mitotic fiber to the chromosome
yolk sac
protein
centromere
frame shift mutation
32. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome
linkage
chemotropism
budding
digestion
33. The part of the flower that produces pollen
stamen
Arthropoda
photolysis
peristalsis
34. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females
adenosine phosphate
peristalsis
dimorphism
prokaryote
35. The enzyme released from the blood platelets in vertebrates during clotting
phylum
thrombokinase
disaccharide
gill slit
36. The cavity between the lungs and the wall of the chest
pleural cavity
saprophyte
pH
coenzyme
37. The part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems
disjunction
oviduct
acetylcholine
autonomic nervous system
38. A white or colorless - amorphous - horny substance that forms part of the outer integument of insects - crustaceans and some other invertebrates; it also occurs in certain fungi
protein
transcription
chitin
gymnosperm
39. A fat or oil
lipid
androgen
bile salts
stoma
40. The male gonads that produce sperm and male hormones
synapsis
anaerobe
systole
testes
41. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes
gylcolysis
plasma membrane
deletion
nuclear membrane
42. A network or mesh of fibrils - fibers or filaments
photolysis
reticulum
smooth muscle
granum
43. Organelles that serve as specialized containers for metabolic reactions
nucleotide
microbodies
cation
yolk sac
44. The creation of certain strains of specific traits through control of breeding
colon
selective breeding
villus
pathogen
45. Cytoplasmic bodies within a plant cell that are often pigmented
stigma
sympathetic
adaptive radiation
plastid
46. Organism that consumes food from outside itself instead of producing it
active immunity
electron transport chain
consumer
seminiferous tubules
47. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP
ribosome
chemotropism
malleus
electron transport chain
48. The female gamete; it is nonmotile - large in comparison to male gametes - and stores nutrients
egg
inner ear
synapsis
pelagic zone
49. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations
osmoregulation
fitness
adrenal cortex
allele
50. The transformation of an immature animal into an adult; a change in the form of an organ or structure
thrombokinase
homologous
pinocytosis
metamorphosis
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