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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. One of a class of organic compounds that is composed of many amino acids; contains C - H - O and N
cytochrome
protein
cochlea
reticulum
2. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity
femur
cerebral hemisphere
macula
vacuole
3. Compounds in bile that aid in emulsification
buffer
bile salts
reticulum
Porifera
4. A mutation involving the addition or loss of nucleotides
cytoplasm
anaerobic
frame shift mutation
myelin sheath
5. A type of virus that can destroy bacteria by infecting - parasitizing and eventually killing them
homozygous
neural tube
excretion
bacteriophage
6. A form of asexual reproduction in which the egg develops in the absence of sperm
gill slit
small intestine
parthenogenesis
flagellate
7. A mucus-secreting membrane
steroid
mucosa
transpiration
recombinant DNA technology
8. The system of naming an organism by its genus and species name
lens
geotropism
binomial nomenclature
gray matter
9. Hormone active in osmoregulation; a mineral corticoid produced by the adrenal cortex; stimulates reabsorption of Na+ and secretion of K+
aldosterone
cloaca
larva
deoxyribose
10. An animal with a constant body temperature
bacteriophage
homeotherm
reduction
host
11. An air-conducting tube
alveolus
trachea
central nervous system
carnivore
12. A class of arthropods that includes scorpions - spiders - mites and ticks
Arachnida
homozygous
trilobite
cell wall plate
13. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes
nuclear membrane
mutualism
centromere
adaptive radiation
14. Agent that induces mutations; typically carcinogenic
mutagenic agent
homologous
capillary
peristalsis
15. Encompasses the brain and the spinal cord
central nervous system
spore
maltase
thyroid
16. A hoofed animal
ureter
metaphase
metabolism
ungulate
17. 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
plexus
pyrimidine
ventricle
18. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli
sporophyte
coelom
ungulate
chemotropism
19. A disease-causing organism
mutagenic agent
pathogen
disjunction
pelagic zone
20. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids
Chordata
vacuole
sex chromosome
translation
21. Genetic blending; each allele exerts some influence on the phenotype
aortic arch
asexual reproduction
incomplete dominance
calorie
22. Organism that consumes food from outside itself instead of producing it
ventricle
pyrimidine
consumer
parathyroid
23. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs
NADP
endoderm
glycogen
centromere
24. The reproductive organ that produces sex cells
mesoderm
adrenocorticotrophic hormone
gonads
prokaryote
25. A change from a diploid nucleus to a haploid nucleus - as in meiosis
reduction
transpiration
gene
olfactory
26. The first filial generation (first offspring)
androgen
aerobic
F1
rod
27. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association
commensal
Protista
mitochondria
autolysis
28. Describes cells (gametes) that have half the chromosome number typical of the species
haploid
linkage
nucleus
assortative mating
29. In plants - an area of undifferentiated tissue covered by embryonic leaves
isotonic
olfactory
phototropism
bud
30. Part of the nephron in the kidney; involved in excretion
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31. A duct that carries urine from the kidneys to the bladder
self-pollination
ureter
Arachnida
pheromone
32. The coiled part of the sperm duct - adjacent to the testes in mammals
gray matter
alternation of generations
exocrine
epididymis
33. A kind of white blood cell in vertebrates that is characterized by a rounded nucleus; involved in the immune response
lymphocyte
parathyroid
independent assortment
metabolism
34. An association of homologous chromosomes during the first meiotic division
pairing
lens
legume
diffusion
35. A fat or oil
homozygous
pistil
lipid
epithelium
36. A plant that has a single cotyledon or seed-leaf
biotic
monocotyledon
ptyalin
metaphase
37. 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
taxonomy
cerebral hemisphere
bile
38. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac
Rh factor
asexual reproduction
nuclear membrane
amnion
39. The tenth cranial nerve that innervates digestive organs - heart and other areas
Annelida
sucrase
gene
vagus nerve
40. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells
egg
chromatid
aorta
retina
41. The intake of fluid droplets into a cell
nucleolus
fertilization
pinocytosis
alimentary canal
42. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases
pollination
genetic code
dorsal root
pupil
43. Nonfunctional haploid cells created during meiosis in females; they have very little cytoplasm-most has gone into the functional egg cell
olfactory
selective breeding
polar body
cytokinesis
44. An enlargement of the thyroid gland due to lack of iodine
malpighian tubules
carbon cycle
goiter
mutagenic agent
45. A symbol that denotes the relative concentration of hydrogen ions in a solution
esophagus
Chordata
pH
insulin
46. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast
granum
phloem
Golgi apparatus
cotyledon
47. The place of attachment of the mitotic fiber to the chromosome
centromere
nondisjunction
epidermis
gall bladder
48. A process of asexual reproduction in which the offspring develop from an outgrowth of the plant or animal
cephalic
budding
chitin
trachea
49. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials
plankton
autotroph
RNA
phylum
50. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)
cytokinesis
diastole
cuticle
cell wall