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Test your basic knowledge |
SAT Subject Test: Biology
Start Test
Study First
Subjects
:
sat
,
science
,
biology
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. The microspore of a seed plant
pith
Eustachian tube
pollen
hypotonic
2. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections
gray matter
appendage
synapsis
prothrombin
3. The uppermost portion of pistil upon which pollen grains alight
primary oocyte
gene
polyp
stigma
4. A mall sex hormone (e.g. - testosterone)
androgen
adrenal medulla
assimilation
genus
5. A lymph tubule located in the villus that absorbs fatty acids
goiter
transpiration
lacteal
buffer
6. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis
dihybrid
chlorophyll
urea
pinocytosis
7. A tract of nerve fibers connecting the two cerebral hemispheres
corpus callosum
exocytosis
dimorphism
gylcolysis
8. The separation of homologous pairs of chromosomes following meiotic synapsis
atrium
disjunction
steroid
asexual reproduction
9. An excretory product of protein metabolism
cuticle
mutation
plastid
urea
10. A simple sugar
nucleus
dominance
maltase
monosaccharide
11. An organism that obtains its nutrients from dead organisms
saprophyte
osmosis
peristalsis
neuron
12. The recycling of carbon from decaying organisms for use in future generations
saprophyte
host
carbon cycle
primary spermatocyte
13. An association between an algae and a fungus that is symbiotic and mutualistic in nature
guanine
lichen
Eustachian tube
coelom
14. A network - particularly of nerve or blood vessels
plexus
granum
peristalsis
iris
15. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells
nictitating membrane
organelle
saprophyte
flagellum
16. A flowering plant; a plant of the class Angiospermae that produces seeds enclosed in an ovary and is characterized by the possession of fruits and flowers
phenotype
phagocyte
angiosperm
nerve
17. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
deoxyribose
passive immunity
niche
pith
18. Protein threads that form in the blood during clotting
oviduct
fallopian tube
fibrin
cornea
19. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty
flagellum
duodenum
ureter
ilium
20. Cells which in the female are located between the ovarian follicles and in the male are located between the seminiferous tubules of the testes
vein
thrombokinase
interstitial cells
pleural cavity
21. An organ that is not functional in an organism - but was functional at some period in its evolution
genetic drift
vestigial organ
peristalsis
seminal fluid
22. Pertaining to a type of gland that releases its secretion through a duct
exocrine
villus
phylogeny
nucleotide
23. Unicellular organism with simple cell structure
allantois
chitin
cation
prokaryote
24. The mammalian oviduct that leads from the ovaries to the uterus
hepatic portal system
carnivore
fallopian tube
thermoregulation
25. Occurs when a segment of genetic material on a chromosome becomes reversed
centrosome
inversion
vagus nerve
hypotonic
26. A metabolic stage between mitoses in which genetic material is reproduced
epididymis
interphase
herbivore
parasitism
27. A specialized structure that carries out particular functions for eukaryotic cells
Mendelian laws
organelle
physiology
passive immunity
28. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine
uracil
binary fission
alternation of generations
embolus
29. A mucus-secreting membrane
mucosa
Protista
pleural cavity
dendrite
30. A large molecule that is composed of many similar molecule units
polymer
metabolism
genetic drift
seminiferous tubules
31. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries
vagus nerve
alveolus
crossing over
hypertonic
32. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions
conditioning
homologous
prophase
diencephalon
33. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells
nerve
stoma
lysosome
fibrinogen
34. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
DNA
Calvin cycle
recombinant DNA technology
myelin sheath
35. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species
cross-pollination
ventral root
eukaryote
aqueous humor
36. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac
Bowman's capsule
isolation
stigma
amnion
37. The study of all living processes - activities and functions
physiology
ganglion
heterozygous
respiratory center
38. The cavity in the mammalian ovary in which the egg ripens
asexual reproduction
Graffian follicle
lymph
cortisone
39. A cell in the retina that is sensitive to weak light
rod
cytoplasm
diffusion
Mendelian laws
40. The hind portion of the forebrain of vertebrates
oviduct
excretion
germ layer
diencephalon
41. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli
somatic cell
chemotropism
incomplete dominance
Coelentrata
42. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation
alternation of generations
marsupial
endoderm
nephron
43. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin
feedback mechanism
exoskeleton
point mutation
organelle
44. The living matter of a cell - located between the cell membrane and the nucleus
angiosperm
cytoplasm
independent assortment
phylogeny
45. A reproductive cell
morphology
cerebellum
Rh factor
germ cell
46. Partially digested food in the stomach
chyme
nucleolus
rod
anaphase
47. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)
nictitating membrane
cytochrome
centriole
antibody
48. The male gonads that produce sperm and male hormones
testes
pulmonary
pituitary
cortex
49. 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
thorax
Bowman's capsule
adenosine phosphate
autonomic nervous system
50. A ductless gland that secretes hormones directly into the bloodstream
interstitial cells
endocrine gland
estrogen
photolysis