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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. Contains elongated cell with head - tail - neck - and body
Synapsis
Mature sperm
Cellular Division (Multicellular Organisms)
Menstrual Cycle
2. Secretes estrogen and progesterone
Cellular Division (Multicellular Organisms)
Corpus Luteum
Tubers
External Fertilization
3. 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
Anaphase (Interphase)
Meristem Cells
Natural Vegatative Propagation
Sporophyte
4. (In Prophase I) chromatids of homologous chromosomes break at corresponding points and exchange equivalent pieces of DNA -occurs between homologous chromosomes and not between sister chromatids of the same chromosomes (the latter are identical - so c
Sexual Reproduction in Angiosperms
Metaphase I
Crossing Over
Gametes
5. 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
Primary Oocytes
Menstrual Cycle
Uterus
Four Parts of Interphase
6. 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
Chromatin
Cellular Division (Multicellular Organisms)
Follicular phase
Cotyledons
7. Simple form of asexual reproduction seen in prokaryotic organisms -DNA replicates and a new plasma membrane and cell wall grow inward along the midline of the cell - dividing it into two equally size cells with equal maounts of cytoplasm - each conta
Oocyte Cell Membrane
Fission
Sexual Reproduction in Angiosperms
Interphase
8. Part of embryo that develops from the outer covering of the ovule
Follicular phase
Filament
Seed Coat
Spore Formation
9. Menstrual flow
Monocots
First Meiotic Division
Mature Ovum
Menses
10. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Female Sex Hormones
hCG (human Chorionic Gonadotrophin)
Tubers
Spermatids
11. The development of an unfertilized egg into an adult organism
Secondary Spermatocytes
Partenogenesis
Four Parts of Interphase
Regeneration
12. Produced when each meiotic division -rapidly degenerate
Mature sperm
Asexual Reproduction
Polar Body
Secondary Spermatocytes
13. Occurs midway through the cycle -a mature ovarian follicle bursts and releases an ovum -caused by a surge in LH (Luteinizing Hormone) that is preceded - and in part caused - by a peak in estrogen levels
Ovulation
Menstrual Cycle
Internal Fertilization
Gametophyte Generation
14. A means of reproduction
Dicots
Cellular Division (Unicellular Organisms)
Polar Body
Estrogens
15. Surrounded by two layers of cells
Oocyte Cell Membrane
Meristem Cells
Primary Oocytes
Cellular Division (Unicellular Organisms)
16. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Interphase (Meiosis)
Prophase I
Cambium
Gametophyte Generation
17. Have one cotyledon
Cotyledons
Monocots
Sporophyte Generation
Menstrual Cycle
18. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Endosperm
Scrotum
Flower
Gonads
19. AKA ovanan or fallopian tube -opens into the upper end of the uterus
Male Urethra
Gonads
Rhizomes
oviduct
20. AKA lateral meristem -located between the xylem and phloem
Ovaries
epicotyl
Cambium
Immature ovum
21. Outer layer of oocyte cell membrane
Sporophyte
Fertilization/Conjugation
Corona Radiata
Male Urethra
22. 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
Disjunction
Testes
Meisosis vs. Mitosis
Fission
23. 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 -
Mature sperm
Oogenesis
Menstruation
Asexual Reproduction
24. Union of gametes
Monocots
Gametophyte Generation
Fertilization/Conjugation
Cytokinesis
25. 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
Zona Pellucida
Embryo
External Fertilization
Cervix
26. Nuclear division and followed by cell division
Karyokinesis
Fertilization membrane
Cotyledons
Testes
27. Undifferentiated tissues in plants
Menstrual Cycle
Telophase I
Corona Radiata
Meristems
28. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Cellular Division (Multicellular Organisms)
Sexual Reproduction in Animals
Dizygotic (Fraternal) Twins
Cell Plate
29. 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
Hypocotyl
Vegetative Propagation
Four Parts of Interphase
Mosses
30. 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
Second Meiotic Division
Metaphase I
Telophase I
Cortical Reaction
31. Specialized sex cells
Gametes
Filament
Scrotum
Oocyte Cell Membrane
32. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Acrosome
Secondary Oocyte
Cellular Division (Unicellular Organisms)
Apical Meristem
33. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Apical Meristem
Partenogenesis
Sexual Reproduction in Angiosperms
Mature Ovum
34. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Hypocotyl
Luteal Phase
Sporophyte Generation
Vaginal Canal
35. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Tubers
Mosses
hCG (human Chorionic Gonadotrophin)
Ovaries
36. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Sporophyte
First Meiotic Division
Dizygotic (Fraternal) Twins
Cell Division
37. (In Prophase I) each chromosome consists of two sister chromatids - each synaptic pair of homologous chromosomes containing four chromatids
Spermatids
Tetrad
Dicots
Metaphase Plate (Interphase)
38. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Acrosomal Process
Sporophyte Generation
Meiosis
Sexual Reproduction in Angiosperms
39. 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
Artificial Vegetative Propagation
Gametes
Sperm Travels...
Telophase I
40. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Luteal Phase
Mature Ovum
Immature ovum
Sexual Reproduction in Animals
41. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
First Meiotic Division
Ovaries
Fertilization/Conjugation
Acrosome
42. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Testes
Cellular Division (Unicellular Organisms)
Budding
hCG (human Chorionic Gonadotrophin)
43. Passes through the penis and opens to the outside at its tip
Spermatogenesis
Vaginal Canal
Urethra
External Fertilization
44. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Internal Fertilization
Asexual Reproduction in Plants
Cotyledons
Dizygotic (Fraternal) Twins
45. Sperm production -occurs in the seminiferous tubules
Synapsis
Interphase (Meiosis)
Spermatogenesis
Runners
46. AKA stolon -woody - underground stems -can develop new upright stems
Natural Vegatative Propagation
Crossing Over
Hypocotyl
Rhizomes
47. Plants exhibit alternation of generation in which a diploid generation is succeeded by a haploid generation -diploid saprophyte generation produces haploid spores - which develop into the haploid saprophyte generation
Mature sperm
Mosses
Sporophyte Generation
Spore Formation
48. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Vegetative Propagation
Sperm Travels...
Four Parts of Interphase
Gonads
49. 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
Oocyte Cell Membrane
Male Urethra
Progesterone
Chromatin
50. (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
First Meiotic Division
Spermatogenesis
Disjunction
Dizygotic (Fraternal) Twins