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Test your basic knowledge |
PCAT Biology Reproduction
Start Test
Study First
Subjects
:
pcat
,
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. (In Prophase I) each chromosome consists of two sister chromatids - each synaptic pair of homologous chromosomes containing four chromatids
Cytokinesis (Interphase)
Tetrad
Angiosperms
Zona Pellucida
2. Regrowth of a lost or injured body part
Mature Ovum
Cellular Division (Multicellular Organisms)
Regeneration
Natural Vegatative Propagation
3. Near the end of telophase - the cytoplasm divides into two daughter cells - each wit a complete nucleus and its own set of organelles -In animal cells - a cleavage furrow forms - and the cell membrane indents along the equator of the cell and finally
Cytokinesis (Interphase)
Partenogenesis
Sperm Travels...
Cellular Division (Unicellular Organisms)
4. (In Anaphase I) homologous pairs separate and are pulled to opposite poles of the cell -accounts for a fundamental Mendelian Law -each chromosome of paternal origin separates (or disjoins) from its homologue of maternal origin - and either chromosome
Disjunction
Monozygotic (identical) Twins
Testes
Cytokinesis (Interphase)
5. Occurs in vertebrates that reproduce in water (fish and amphibians) -female lays eggs in water and male deposits sperm in the vicinity -lack of direct passage of sperm from male to female reduces chances of fertilization considerably
Menstrual Cycle
Second Meiotic Division
External Fertilization
Primary Spermatocytes
6. Method of growth - development - and replacement of worn-out cells
Spermatogonia
Cellular Division (Multicellular Organisms)
Meiosis
Testes
7. Female gonads that produce oocytes
Fertilization
Metaphase (Interphase)
Ovaries
Zona Pellucida
8. Differs from asexual reproduction in that there are two parents involved and the end result is a geneticaly unique offspring -fusion of two gametes
Monocots
Sexual Reproductive Mechanisms
Oogenesis
Fertilization/Conjugation
9. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Female Sex Hormones
Spermatogonia
Telophase I
Estrogens
10. Cut piece of stem can develop new roots in water or moist gorund - which can be used to accelerate root formation -layering: stems of certain plants - will take root when bent to the gorund and covered with soil -stem of one plant (scion) can be atta
Fission
Artificial Vegetative Propagation
oviduct
Fertilization membrane
11. Sperm production -occurs in the seminiferous tubules
Asexual Reproduction
Runners
Anther
Spermatogenesis
12. Specialized organs where gametes are produced
Estrogens
Gonads
Urethra
oviduct
13. Thin and stalk like with a terminal sac called the anther
Acrosome
Filament
Secondary Spermatocytes
Immature ovum
14. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Ovulation
Anther
Runners
Oogenesis
15. Specialized cells with hard coverings that prevent loss of water
Gonads
Fertilization
Estrogens
Spores
16. Meristems provide a source of cells that can develop into an adult plant -can occur naturally or through human intervention -advantagous because it introduces no genetic variation and is a rapid form of reproduction
Gametes
Flower
Anaphase (Interphase)
Vegetative Propagation
17. Part of embryo that develops into the lower and root
Hypocotyl
Ovaries
Prophase I
Uterus
18. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Filament
Asexual Reproduction in Plants
Cellular Division (Multicellular Organisms)
Interphase
19. Mass of cells formed when the zygote divides
Embryo
Fertilization/Conjugation
Asexual Reproduction in Plants
Artificial Vegetative Propagation
20. Diploid cells of spermatogonia
Oogenesis
hCG (human Chorionic Gonadotrophin)
Primary Spermatocytes
Fertilization membrane
21. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Artificial Vegetative Propagation
Gametophyte Generation
Follicle
Partenogenesis
22. Have both functional male and female gonads
Hermaphrodites
oviduct
Stamen
Male Urethra
23. Sporophyte generation is the dominant - familiar form
Centromere
Corona Radiata
Oogenesis
Ferns
24. Have one cotyledon
Monocots
Sexual Reproductive Mechanisms
Mature Ovum
Urethra
25. Part of embryo that grows and feeds the embryo
Apical Meristem
Oogenesis
Acrosome
Endosperm
26. Gametophyte is the dominant generation -smaller - short lived organism that depends on the gametophyte for energy and nutrients - sporophytes grow on top of the gametophytes and produce spores that develop into gametophytes
Immature ovum
Corona Radiata
Mosses
Filament
27. Result when a single zygote splits into two embryos
Monozygotic (identical) Twins
Endosperm
Chromatin
Spermatozoa
28. The spindle apparatus disappears. A nuclear membrane forms around each set of newly formed chromosomes. Thus - each nucleus contains the same number of chromosomes (the diploid number 2n) as the original or parent nucleus. The chromosomes uncoil - re
Secondary Spermatocytes
Fission
Telophase (Interphase)
Sporophyte
29. Causes the glands of the endometrium to mature and produce secretions that prepare it for the implantation of an embryo -essential for the maintenance of the endometrium
Progesterone
hCG (human Chorionic Gonadotrophin)
Spermatogonia
Oocyte Cell Membrane
30. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Metaphase Plate (Interphase)
Sperm Travels...
Menses
Karyokinesis
31. AKA ovanan or fallopian tube -opens into the upper end of the uterus
oviduct
Male Urethra
Fertilization membrane
Sporophyte Generation
32. Muscular chamber which is the site of fetal development
Vegetative Propagation
Prophase (Interphase)
Cytokinesis (Interphase)
Uterus
33. Homologous pairs (tetrads) align at the equatorial plane - and each pair attaches to a separate spindle fiber by its kinetochore
Metaphase I
Sexual Reproduction in Animals
Cortical Reaction
Sporophyte Generation
34. Replication of the nucleus followed by unequal cytokinesis -membrane pinches inward to forma new cell that is smaller in size but genetically identical to the parent cell
Mature Ovum
Budding
Female Sex Hormones
Chromatin
35. Four haploid cells produced from the second meiotic division after secondary spermatocytes
epicotyl
Dicots
Luteal Phase
Spermatids
36. Eggs
Oocytes
Corpus Luteum
Cambium
Monozygotic (identical) Twins
37. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Fertilization
Estrogens
Anaphase (Interphase)
Mature Ovum
38. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Second Meiotic Division
Male Urethra
Cotyledons
Sporophyte
39. Uncoiled DNA
Spermatogenesis
Oogenesis
Monozygotic (identical) Twins
Chromatin
40. Part of embry that are seed leaves
Angiosperms
Spermatogenesis
Head of Sperm
Cotyledons
41. Produces monoploid spores that develop into pollen grains
Disjunction
Tubers
Artificial Vegetative Propagation
Anther
42. Can be fertilized during the 12-24hr after ovulation -occurs in the lateral - widest portion of the fallopian tube -sperm must travel through the vaginal canal - cervix - uterus - and into the fallopian tubes to reach the ovum
Fertilization
Angiosperms
Follicular phase
Meiosis
43. Bulbs - tubers - runners - rhizomes
Natural Vegatative Propagation
Mature sperm
Secondary Oocyte
Four Parts of Interphase
44. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Luteal Phase
Dizygotic (Fraternal) Twins
Sexual Reproductive Mechanisms
Mitosis
45. Surrounded by two layers of cells
Natural Vegatative Propagation
Vegetative Propagation
Polar Body
Oocyte Cell Membrane
46. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Cellular Division (Multicellular Organisms)
Immature ovum
Fission
Prophase I
47. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Cellular Division (Multicellular Organisms)
Spermatogonia
Meristem Cells
Fertilization
48. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Sexual Reproduction in Animals
Meristems
Scrotum
Sexual Reproduction Requires
49. Passes through the penis and opens to the outside at its tip
Spermatogonia
Oogenesis
Urethra
Cambium
50. Produced in developing placenta if fertilization occurs - maintaining the corpus luteum and - thus - the supply of estrogen and progesterone that maintains the uterus - until the placenta takes over production of these hormones
Cellular Division (Multicellular Organisms)
Estrogens
Cellular Division (Unicellular Organisms)
hCG (human Chorionic Gonadotrophin)