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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. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Interphase (Meiosis)
Anaphase I
Cambium
Mature Ovum
2. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Dizygotic (Fraternal) Twins
Ovaries
Anther
Cytokinesis (Interphase)
3. Undifferentiated tissues in plants
Ferns
Meristems
Anther
Partenogenesis
4. If the ovum isn't fertilized - the corpus luteum atrophies - the resulting drop in progesterone and estrogen levels causes the endometrium (with its superficial blood vessels) to slough off - giving rise to menses
Polar Body
Menstruation
Anaphase (Interphase)
Luteal Phase
5. 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
Natural Vegatative Propagation
Stamen
Hypocotyl
Spore Formation
6. 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
Centromere
Menstrual Cycle
Telophase (Interphase)
Artificial Vegetative Propagation
7. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
Hypocotyl
Internal Fertilization
Follicle
Disjunction
8. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Menses
Ovaries
Polar Body
Runners
9. The process by which gametes are produced -involves two divisions of primary sex cells resulting in four haploid cells called gametes
Meiosis
Primary Oocytes
Synapsis
Budding
10. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Cell Plate
Menstruation
Angiosperms
Scrotum
11. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Dicots
Synapsis
Mature Ovum
Asexual Reproduction in Plants
12. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Ovulation
Single Mature Egg
Anaphase I
Fission
13. (In Prophase I) each chromosome consists of two sister chromatids - each synaptic pair of homologous chromosomes containing four chromatids
Telophase I
Apical Meristem
Tetrad
Crossing Over
14. AKA stolon -woody - underground stems -can develop new upright stems
Budding
Rhizomes
Dizygotic (Fraternal) Twins
Sexual Reproduction in Angiosperms
15. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Ovaries
Cambium
Menstruation
Sexual Reproduction Requires
16. Mass of cells formed when the zygote divides
Embryo
Plant vs. Animal cells
Spore Formation
Asexual Reproduction
17. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Cambium
Endosperm
Corona Radiata
Centromere
18. Cell division that follows karyokinesis
oviduct
Corpus Luteum
Fission
Cytokinesis
19. Found in the tips of roots and stems where growth in length occurs
Spermatogonia
epicotyl
Spores
Apical Meristem
20. Specialized organs where gametes are produced
Meristem Cells
First Meiotic Division
Gonads
Sperm Travels...
21. Regrowth of a lost or injured body part
Mature sperm
Rhizomes
Regeneration
Sexual Reproduction Requires
22. Flowering plants consisting of a few cells that exist for a very short time
Angiosperms
Asexual Reproduction in Plants
Cytokinesis (Interphase)
Urethra
23. Two haploid cells yielded from meiotic division of primary spermatocytes
Cell Division
Secondary Spermatocytes
Chromatin
Natural Vegatative Propagation
24. (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
Meiosis
Flagellum
Urethra
Disjunction
25. Have both functional male and female gonads
epicotyl
Hermaphrodites
Cellular Division (Unicellular Organisms)
Bulbs
26. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Immature ovum
Metaphase Plate (Interphase)
Asexual Reproduction
First Meiotic Division
27. Part of embryo that grows and feeds the embryo
Follicular phase
Ovulation
Menstrual Cycle
Endosperm
28. The production of female gametes -occurs in the ovarian follicles
Oogenesis
Plant vs. Animal cells
Cellular Division (Multicellular Organisms)
Interphase
29. (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
Crossing Over
Flagellum
Primary Spermatocytes
Monocots
30. The development of an unfertilized egg into an adult organism
Anther
Partenogenesis
Dizygotic (Fraternal) Twins
Follicular phase
31. Produces two intermediate daughter cells with N chromosomes with sister chromatids
First Meiotic Division
Sporophyte Generation
Corona Radiata
Tubers
32. Bulbs - tubers - runners - rhizomes
Secondary Spermatocytes
Natural Vegatative Propagation
Filament
Head of Sperm
33. Method of growth - development - and replacement of worn-out cells
Asexual Reproduction
Metaphase I
Meristems
Cellular Division (Multicellular Organisms)
34. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
Angiosperms
oviduct
Telophase I
Acrosomal Process
35. Part of embryo that develops into the lower and root
Hypocotyl
Synapsis
Vaginal Canal
Uterus
36. 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
Vaginal Canal
Acrosomal Process
Anaphase (Interphase)
Fertilization
37. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Secondary Oocyte
Secondary Spermatocytes
Centromere
Artificial Vegetative Propagation
38. Part of embry that are seed leaves
Filament
Fertilization
Testosterone
Cotyledons
39. 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 -
Metaphase I
Disjunction
Testes
Asexual Reproduction
40. 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
Interphase
Tubers
Budding
Artificial Vegetative Propagation
41. Egg
Ovum
Metaphase (Interphase)
Cell Division
Filament
42. Result when a single zygote splits into two embryos
Sexual Reproduction Requires
Spermatozoa
Second Meiotic Division
Monozygotic (identical) Twins
43. AKA lateral meristem -located between the xylem and phloem
Primary Spermatocytes
Cambium
Gametes
Telophase I
44. Part of embryo that develops from the outer covering of the ovule
Seed Coat
Fertilization
Head of Sperm
Telophase (Interphase)
45. Have one cotyledon
Monocots
Oogenesis
Menstrual Cycle
Sperm Travels...
46. Female gonads that produce oocytes
Oogenesis
Testes
Ovaries
Cellular Division (Unicellular Organisms)
47. Nuclear division and followed by cell division
Karyokinesis
Sexual Reproductive Mechanisms
Interphase
Cambium
48. 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
Vegetative Propagation
External Fertilization
Cytokinesis (Interphase)
Acrosomal Process
49. Produced after meioisis from spermatids that undergo a series of changes -AKA mature sperm -specialized for transporting the sperm nucleus to the ovum -elongated cell with a head - neck - body - and tail
Corpus Luteum
Internal Fertilization
Primary Oocytes
Spermatozoa
50. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Asexual Reproduction in Plants
Sporophyte Generation
Spores
Cotyledons