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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. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
Primary Oocytes
Cellular Division (Multicellular Organisms)
Cortical Reaction
Female Sex Hormones
2. Specialized organs where gametes are produced
Asexual Reproduction in Plants
Gonads
Cervix
Anaphase (Interphase)
3. Flowering plants consisting of a few cells that exist for a very short time
Cellular Division (Unicellular Organisms)
Head of Sperm
Angiosperms
Sexual Reproductive Mechanisms
4. Formed due to cortical reaction -hard layer that surrounds the ovum cell membrane and prevents multiple fertilizations -Followed by the fusion of sperm nucleus and form a diploid zygote
Sporophyte Generation
Seed Coat
hCG (human Chorionic Gonadotrophin)
Fertilization membrane
5. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Centromere
Cell Division
Cytokinesis (Interphase)
Acrosome
6. Found in the tips of roots and stems where growth in length occurs
Mature Ovum
Apical Meristem
Fertilization/Conjugation
Testes
7. 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
Tubers
Testosterone
Mosses
Chromatin
8. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Metaphase I
Primary Oocytes
Secondary Oocyte
Hermaphrodites
9. Muscular chamber which is the site of fetal development
Crossing Over
Oocyte Cell Membrane
Uterus
Second Meiotic Division
10. AKA stolon -woody - underground stems -can develop new upright stems
Rhizomes
Spermatozoa
Acrosome
External Fertilization
11. Mass of cells formed when the zygote divides
Sporophyte
Embryo
Acrosomal Process
Flagellum
12. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Prophase I
Female Sex Hormones
Acrosomal Process
Cell Plate
13. (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
Cotyledons
Apical Meristem
Hermaphrodites
Disjunction
14. Method of growth - development - and replacement of worn-out cells
Karyokinesis
Cellular Division (Multicellular Organisms)
Sexual Reproductive Mechanisms
Progesterone
15. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Spore Formation
Sperm Travels...
Sporophyte
Filament
16. Result when a single zygote splits into two embryos
Four Parts of Interphase
Spores
Mitosis
Monozygotic (identical) Twins
17. Have two cotyledons that absorb the endosperm
Metaphase Plate (Interphase)
Dicots
Polar Body
oviduct
18. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Follicle
Spermatids
Menstrual Cycle
Meristem Cells
19. Division and distribution of the cell's DNA to its two daughter cells such that each cell receives a complete copy of the original genome
Meristems
Internal Fertilization
Mitosis
Testosterone
20. Undifferentiated tissues in plants
Dizygotic (Fraternal) Twins
Angiosperms
Disjunction
Meristems
21. 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
Stamen
Testosterone
Oocytes
Estrogens
22. The male organ of the flower and consists of a thin - stalk-like filament
Single Mature Egg
Stamen
Meiosis
Corpus Luteum
23. 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
Secondary Oocyte
Hermaphrodites
Vegetative Propagation
Natural Vegatative Propagation
24. Begins with the cessation of the menstrual flow from the previous cycle -FSH (Follicle Stimulating Hormone) from the anterior pituitary promotes the development of the follicle - which grows and begins secreting estrogen
Follicular phase
Vegetative Propagation
Mosses
Cervix
25. 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
Single Mature Egg
Head of Sperm
Uterus
Artificial Vegetative Propagation
26. Eggs
Corona Radiata
Oocytes
Gametes
Fertilization
27. Part of embryo that is the precursor of the upper stem and leaves
Oocyte Cell Membrane
Asexual Reproduction
Internal Fertilization
epicotyl
28. Centromeres split so that each chromatid has its own distinct centromere - thus allowing sister chromatids to separate. The sister chromatids are pulled toward the opposite poles of the cell by the shortening of the spindle fibers. Spindle fibers are
Meristems
Sporophyte
Sexual Reproduction in Angiosperms
Anaphase (Interphase)
29. Bulbs - tubers - runners - rhizomes
Natural Vegatative Propagation
Meristems
Asexual Reproduction in Plants
Fertilization
30. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Sexual Reproduction in Animals
Flagellum
Bulbs
Testes
31. 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
Four Parts of Interphase
Acrosome
Plant vs. Animal cells
Cellular Division (Multicellular Organisms)
32. The production of female gametes -occurs in the ovarian follicles
Fertilization/Conjugation
Flower
Chromatin
Oogenesis
33. Undergoes disjunction
Prophase (Interphase)
Chromatin
Luteal Phase
Anaphase I
34. Part of embryo that develops into the lower and root
Crossing Over
Immature ovum
Sporophyte Generation
Hypocotyl
35. 1) G1: Initiates interphase. is described as the active growth phase and can vary in length. the cell increases in size and synthesizes proteins. the length of the G1 phase determines the length of the entire cell cycle 2) S: the period of DNA synthe
Four Parts of Interphase
Luteal Phase
Sporophyte Generation
Zona Pellucida
36. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Cellular Division (Multicellular Organisms)
Single Mature Egg
Mature Ovum
Gonads
37. Diploid cells of spermatogonia
Immature ovum
Natural Vegatative Propagation
Primary Spermatocytes
Dizygotic (Fraternal) Twins
38. Sperm production -occurs in the seminiferous tubules
Chromatin
Metaphase Plate (Interphase)
Rhizomes
Spermatogenesis
39. Part of embryo that grows and feeds the embryo
Anaphase I
Metaphase (Interphase)
Estrogens
Endosperm
40. Union of the egg and sperm nuclei to form a zygote with a diploid number of chromosomes
Fertilization
Telophase (Interphase)
Head of Sperm
Embryo
41. Have one cotyledon
Metaphase (Interphase)
Partenogenesis
Metaphase I
Monocots
42. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Artificial Vegetative Propagation
Menses
Cytokinesis (Interphase)
Synapsis
43. Produced when each meiotic division -rapidly degenerate
Cell Division
Polar Body
Menses
Meisosis vs. Mitosis
44. 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
Interphase
Menstrual Cycle
Fertilization
Ovum
45. Very similar to mitosis - except that meiosis II is not preceded by chromosomal replication -chromosomes align at the equator - separate and move to opposite poles - and are surrounded by a reformed nuclear membrane -new cells have the haploid number
Spores
Ovulation
Second Meiotic Division
Fertilization membrane
46. Female gonads that produce oocytes
Spore Formation
Ovaries
Endosperm
Corona Radiata
47. (In Prophase I) each chromosome consists of two sister chromatids - each synaptic pair of homologous chromosomes containing four chromatids
Scrotum
epicotyl
Runners
Tetrad
48. Nuclear division and followed by cell division
Anaphase (Interphase)
Embryo
Urethra
Karyokinesis
49. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Male Urethra
Asexual Reproduction in Plants
Sporophyte Generation
Cotyledons
50. Cell division that follows karyokinesis
Progesterone
Cytokinesis
Corona Radiata
Mitosis