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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
Spermatogenesis
Vaginal Canal
Tetrad
Natural Vegatative Propagation
2. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Oogenesis
Primary Spermatocytes
Ovaries
Chromatin
3. 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
Metaphase (Interphase)
Cytokinesis (Interphase)
Cell Division
Ovulation
4. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Second Meiotic Division
Secondary Oocyte
Ovaries
Flagellum
5. Ex: estrogens and progesterone -synthesized by ovaries
Telophase (Interphase)
hCG (human Chorionic Gonadotrophin)
Female Sex Hormones
Telophase I
6. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
External Fertilization
Spermatogenesis
Sporophyte Generation
Estrogens
7. 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
Flower
Mitosis
Four Parts of Interphase
Cellular Division (Multicellular Organisms)
8. Mass of cells formed when the zygote divides
Follicle
Polar Body
Embryo
Oogenesis
9. Egg
Tetrad
Ovum
Sperm Travels...
Flower
10. 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
Metaphase (Interphase)
Oogenesis
Acrosomal Process
Mitosis
11. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Oocyte Cell Membrane
Testes
Internal Fertilization
hCG (human Chorionic Gonadotrophin)
12. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
Interphase (Meiosis)
Stamen
Telophase I
Cytokinesis
13. Reproductive structure of angiosperms
Zona Pellucida
Polar Body
Spores
Flower
14. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Cellular Division (Multicellular Organisms)
Meristem Cells
Stamen
Primary Oocytes
15. Eggs
Acrosome
Cotyledons
Menses
Oocytes
16. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Sexual Reproduction in Angiosperms
Primary Spermatocytes
Interphase (Meiosis)
Spermatozoa
17. Undergoes disjunction
Ovulation
Gametophyte Generation
Bulbs
Anaphase I
18. Part of embryo that develops into the lower and root
Hypocotyl
Cotyledons
Gametophyte Generation
Uterus
19. 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
Male Urethra
Artificial Vegetative Propagation
Meristems
Cytokinesis (Interphase)
20. AKA stolon -woody - underground stems -can develop new upright stems
Fertilization membrane
Rhizomes
Filament
Cervix
21. Part of embryo that grows and feeds the embryo
Metaphase Plate (Interphase)
Ovum
Endosperm
Progesterone
22. 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
Male Urethra
epicotyl
External Fertilization
Budding
23. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Corona Radiata
Sporophyte Generation
Testosterone
Metaphase Plate (Interphase)
24. Practiced by terrestrial vertebrates and provides a direct route for sperm to reach the egg cell -increased chance for fertilization success and females produce fewer eggs
Male Urethra
Anaphase (Interphase)
Internal Fertilization
Flagellum
25. 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
Prophase (Interphase)
Gonads
Testes
26. Menstrual flow
Menses
Cell Division
Progesterone
Corona Radiata
27. Common passageway for both the reproductive and exretory systems
Meiosis
Artificial Vegetative Propagation
Vegetative Propagation
Male Urethra
28. 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
Filament
Testes
Artificial Vegetative Propagation
29. The development of an unfertilized egg into an adult organism
Progesterone
Oocytes
Partenogenesis
Cytokinesis (Interphase)
30. Produces monoploid spores that develop into pollen grains
Budding
Anther
Cytokinesis (Interphase)
Regeneration
31. Lower - narrow end of the uterus -connects with the vaginal canal
Cellular Division (Unicellular Organisms)
Tetrad
Cellular Division (Multicellular Organisms)
Cervix
32. 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
Estrogens
Acrosome
Hermaphrodites
Ovaries
33. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Prophase I
Fertilization
Oogenesis
Spermatogenesis
34. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Cotyledons
Centromere
Apical Meristem
Prophase (Interphase)
35. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Cambium
Secondary Oocyte
Meristems
Cell Plate
36. Undifferentiated tissues in plants
Cell Plate
Internal Fertilization
Testes
Meristems
37. Thin and stalk like with a terminal sac called the anther
Menstruation
Zona Pellucida
Filament
Primary Spermatocytes
38. 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 -
Oogenesis
Asexual Reproduction
Ovum
Urethra
39. 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
Meisosis vs. Mitosis
Dicots
Asexual Reproduction
Primary Oocytes
40. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Synapsis
Meristem Cells
Fission
Acrosomal Process
41. (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
Spermatogonia
Disjunction
Metaphase I
Primary Oocytes
42. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Dicots
Spermatogenesis
Scrotum
Secondary Spermatocytes
43. The production of female gametes - occurs in the ovaries
Flower
Oogenesis
Cellular Division (Multicellular Organisms)
Immature ovum
44. Found in the tips of roots and stems where growth in length occurs
Apical Meristem
Anther
Fertilization membrane
Testes
45. (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
Sporophyte
Crossing Over
oviduct
Head of Sperm
46. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Spermatogonia
Meisosis vs. Mitosis
Oogenesis
Ovum
47. Nuclear division and followed by cell division
Karyokinesis
Cambium
Tubers
Prophase I
48. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
epicotyl
Sexual Reproduction in Animals
Runners
Metaphase I
49. Regrowth of a lost or injured body part
Sperm Travels...
Stamen
External Fertilization
Regeneration
50. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Sporophyte
Cervix
Testosterone
Tubers