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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. Plant cells lack centrioles -spindle apparatus is synthesized by mcrotubule organizing centers that are not visible -cytokinesis in animal cells proceeds through production of a cleavage furrow -Plant cells are rigid and can't form cleavage furrows -
Menstruation
Centromere
Fertilization
Plant vs. Animal cells
2. Similar to mitosis in that a cell duplicates its chromosomes before undergoing the process -whereas mitosis preserves the diploid number of the cell - meiosis produces the haploid (1N) number - having the number of chromosomes
Ovum
Seed Coat
External Fertilization
Meisosis vs. Mitosis
3. Muscular chamber which is the site of fetal development
Metaphase I
Menses
Uterus
Sperm Travels...
4. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Vaginal Canal
Hermaphrodites
Single Mature Egg
Sperm Travels...
5. Steroid hormones necessary for normal female maturation -stimulate the development of the female reproductive tract and contribute to the development of secondary sexual characteristics and sex drive -responsible for the thickening of the endometrium
Gametes
Meristems
Urethra
Estrogens
6. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Interphase (Meiosis)
Stamen
Acrosomal Process
Natural Vegatative Propagation
7. Uncoiled DNA
Meristems
Synapsis
Chromatin
Interphase
8. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Filament
Telophase (Interphase)
Meristem Cells
Sexual Reproduction in Animals
9. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
hCG (human Chorionic Gonadotrophin)
Sexual Reproduction Requires
Fertilization membrane
Luteal Phase
10. Undifferentiated tissues in plants
Hermaphrodites
Meristems
Meristem Cells
Fertilization membrane
11. 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
Cytokinesis
Single Mature Egg
Sperm Travels...
Fertilization
12. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Gametophyte Generation
Acrosome
Prophase (Interphase)
Regeneration
13. A tubelike structure formed by the sperm once in contact with the membrane -extends to the cell membrane and penetrates it - fusing the sperm cell membrane with that of the ovum -Sperm nucleus now enters the ovum's cytoplasm to complete Meiosis II
Acrosomal Process
Secondary Spermatocytes
Spermatids
Angiosperms
14. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Tubers
Dizygotic (Fraternal) Twins
Follicle
Cellular Division (Multicellular Organisms)
15. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Anaphase (Interphase)
Metaphase Plate (Interphase)
Spermatogenesis
Scrotum
16. Sperm production -occurs in the seminiferous tubules
Prophase (Interphase)
Spermatogenesis
Seed Coat
Oogenesis
17. Caplike structure - derived from the Golgi apparatus - develops over the anterior half of the head -contains enzymes needed to penetrate the tough outer covering of the ovum
Acrosome
Runners
Gametophyte Generation
Regeneration
18. Produces two intermediate daughter cells with N chromosomes with sister chromatids
First Meiotic Division
Meisosis vs. Mitosis
Ovaries
Gonads
19. Cell undergoes a period of growth and replication of genetic material before the initiation of mitosis -cell spends at least 90% of life in interphase -each chromosome is replicated so that during division - a complete copy of the genome can be distr
Interphase
Spermatozoa
Telophase I
Dicots
20. 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
Oocyte Cell Membrane
Corpus Luteum
Mitosis
Mosses
21. Contains elongated cell with head - tail - neck - and body
Endosperm
Testosterone
Mature sperm
Spermatogenesis
22. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Spores
Dicots
Cell Division
Meristems
23. AKA lateral meristem -located between the xylem and phloem
Anaphase I
Single Mature Egg
Natural Vegatative Propagation
Cambium
24. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Spermatogonia
Cell Division
Cytokinesis (Interphase)
Sexual Reproduction in Angiosperms
25. Method of growth - development - and replacement of worn-out cells
Flagellum
Internal Fertilization
Sexual Reproductive Mechanisms
Cellular Division (Multicellular Organisms)
26. Hormonal secretions of the ovaries - the hypothalamus - and the anterior pituitary play important roles in the female reproductive cycle -divided into the follicular phase - ovulation - the luteal phase - and menstruation
Estrogens
Menstrual Cycle
Hypocotyl
Scrotum
27. AKA stolon -woody - underground stems -can develop new upright stems
Ovaries
Rhizomes
Vegetative Propagation
Metaphase (Interphase)
28. Production of offspring without fertilization -form new organisms by a single parent cell -offspring are genetic carbon copies of their parent cells -genetically identical to the parent cells (except mutations) -ex: fission - budding - regeneration -
Asexual Reproduction
Metaphase I
Progesterone
External Fertilization
29. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
Follicle
Testes
Tetrad
Meiosis
30. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Testes
Crossing Over
Anther
Runners
31. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Cotyledons
Cellular Division (Multicellular Organisms)
Vaginal Canal
Hermaphrodites
32. AKA ovanan or fallopian tube -opens into the upper end of the uterus
Asexual Reproduction
Meiosis
Follicular phase
oviduct
33. 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
Ovulation
Artificial Vegetative Propagation
Dicots
Rhizomes
34. Part of embryo that is the precursor of the upper stem and leaves
epicotyl
Immature ovum
Rhizomes
Stamen
35. Mass of cells formed when the zygote divides
Embryo
Acrosome
Spermatids
Male Urethra
36. Surrounded by two layers of cells
Meristems
Sexual Reproduction in Animals
Oocyte Cell Membrane
Internal Fertilization
37. Found in the tips of roots and stems where growth in length occurs
Cellular Division (Multicellular Organisms)
Sperm Travels...
Apical Meristem
Oocytes
38. 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
Telophase (Interphase)
Acrosomal Process
Karyokinesis
Urethra
39. First barrier that the sperm must penetrate -enzymes secreted by the sperm aid in penetration of the corona radiata -arosome is responsible for penetrating the zona pellucida; it releases enzymes that digest this layer - thereby allowing the sperm to
Fertilization/Conjugation
Monozygotic (identical) Twins
External Fertilization
Corona Radiata
40. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Uterus
Spore Formation
Single Mature Egg
Budding
41. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Anaphase (Interphase)
Spermatids
Flagellum
Karyokinesis
42. Have one cotyledon
Stamen
Cotyledons
Corona Radiata
Monocots
43. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Fertilization
Hypocotyl
Spermatogonia
Ferns
44. Produced when each meiotic division -rapidly degenerate
Polar Body
Spermatogenesis
Bulbs
Karyokinesis
45. Part of embryo that grows and feeds the embryo
Endosperm
Spermatogenesis
Mosses
Hypocotyl
46. (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
Acrosomal Process
Regeneration
Sexual Reproductive Mechanisms
Disjunction
47. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Asexual Reproduction in Plants
Flower
Plant vs. Animal cells
Meisosis vs. Mitosis
48. A means of reproduction
Scrotum
Cellular Division (Unicellular Organisms)
Fertilization membrane
Testes
49. Produces monoploid spores that develop into pollen grains
Polar Body
Immature ovum
Anther
Vegetative Propagation
50. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Sexual Reproduction Requires
Mature sperm
Chromatin
Immature ovum