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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. Union of the egg and sperm nuclei to form a zygote with a diploid number of chromosomes
Fertilization
Vegetative Propagation
Acrosome
Seed Coat
2. AKA ovanan or fallopian tube -opens into the upper end of the uterus
Cellular Division (Multicellular Organisms)
Plant vs. Animal cells
Sperm Travels...
oviduct
3. Mass of cells formed when the zygote divides
Tubers
Zona Pellucida
Follicular phase
Embryo
4. 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
Internal Fertilization
Follicle
Corona Radiata
Oocyte Cell Membrane
5. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Prophase I
Cervix
Partenogenesis
Dizygotic (Fraternal) Twins
6. Bulbs - tubers - runners - rhizomes
Mitosis
Natural Vegatative Propagation
Ovum
Sexual Reproductive Mechanisms
7. (In Prophase I) each chromosome consists of two sister chromatids - each synaptic pair of homologous chromosomes containing four chromatids
Cellular Division (Unicellular Organisms)
Tetrad
Scrotum
Corona Radiata
8. Diploid cells of spermatogonia
Tubers
Spermatogenesis
Four Parts of Interphase
Primary Spermatocytes
9. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Tetrad
Luteal Phase
Centromere
Flagellum
10. Part of embryo that is the precursor of the upper stem and leaves
epicotyl
Spermatogenesis
Flower
Sporophyte
11. Have one cotyledon
Luteal Phase
Monocots
Secondary Oocyte
Interphase (Meiosis)
12. 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
Corona Radiata
Sexual Reproduction in Animals
Plant vs. Animal cells
Anaphase (Interphase)
13. AKA sperm production -occurs in the seminiferous tubules
Cellular Division (Multicellular Organisms)
Testosterone
Progesterone
Spermatogenesis
14. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Crossing Over
Follicular phase
Sexual Reproduction in Angiosperms
Ovum
15. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Cytokinesis
Primary Oocytes
Cervix
Chromatin
16. 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
epicotyl
Second Meiotic Division
Progesterone
Spore Formation
17. The male organ of the flower and consists of a thin - stalk-like filament
Regeneration
Meiosis
Partenogenesis
Stamen
18. Consists almost entirely of the nucleus - which contains the paternal genome
Mosses
hCG (human Chorionic Gonadotrophin)
Ovaries
Head of Sperm
19. Part of embryo that develops into the lower and root
Hypocotyl
Fertilization/Conjugation
Ferns
Mitosis
20. 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
Spores
Zona Pellucida
Four Parts of Interphase
Cell Division
21. 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
Menses
Oocyte Cell Membrane
Fission
Prophase (Interphase)
22. Cell division that follows karyokinesis
Menses
Interphase
Cytokinesis
Oocyte Cell Membrane
23. Female gonads that produce oocytes
Sexual Reproduction in Angiosperms
Ovaries
Cell Division
Anaphase I
24. Specialized organs where gametes are produced
Flagellum
Gonads
Regeneration
Metaphase I
25. Regulates secondary male sex characteristics including facial and pubic hair and voice changes
Anaphase (Interphase)
Testosterone
Meiosis
Tubers
26. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Cell Division
Oogenesis
Sexual Reproduction in Animals
Interphase (Meiosis)
27. Secretes estrogen and progesterone
Seed Coat
Male Urethra
Corpus Luteum
Uterus
28. Lower - narrow end of the uterus -connects with the vaginal canal
Spermatozoa
Cervix
Zona Pellucida
Anaphase (Interphase)
29. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Metaphase Plate (Interphase)
Spermatogenesis
Chromatin
Male Urethra
30. Method of growth - development - and replacement of worn-out cells
Cellular Division (Multicellular Organisms)
Apical Meristem
Four Parts of Interphase
Oogenesis
31. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Male Urethra
Angiosperms
Sexual Reproductive Mechanisms
Vaginal Canal
32. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Anther
Bulbs
Ovulation
Synapsis
33. Muscular chamber which is the site of fetal development
Single Mature Egg
Fission
Uterus
Spermatids
34. 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
Primary Oocytes
Anaphase (Interphase)
Hypocotyl
35. AKA stolon -woody - underground stems -can develop new upright stems
Rhizomes
Progesterone
Polar Body
Anther
36. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Regeneration
Cortical Reaction
Scrotum
Disjunction
37. Surrounded by two layers of cells
Luteal Phase
Karyokinesis
Primary Spermatocytes
Oocyte Cell Membrane
38. Ex: estrogens and progesterone -synthesized by ovaries
Progesterone
Vaginal Canal
Female Sex Hormones
Spermatids
39. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Anaphase I
Meristem Cells
Crossing Over
External Fertilization
40. Specialized sex cells
Luteal Phase
Head of Sperm
Menstruation
Gametes
41. 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
Ferns
Corpus Luteum
Cytokinesis (Interphase)
Metaphase Plate (Interphase)
42. 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 -
Spermatogenesis
Asexual Reproduction
Spore Formation
Cell Plate
43. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Cell Division
Meiosis
Internal Fertilization
Spermatogenesis
44. Part of embry that are seed leaves
Cotyledons
Metaphase I
Dizygotic (Fraternal) Twins
Interphase (Meiosis)
45. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Female Sex Hormones
Tubers
Interphase (Meiosis)
Gonads
46. Produces monoploid spores that develop into pollen grains
Ferns
Fission
Anther
Flower
47. Produced when each meiotic division -rapidly degenerate
Spores
Polar Body
Corona Radiata
Monocots
48. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Natural Vegatative Propagation
Testes
Karyokinesis
Meiosis
49. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Progesterone
Sperm Travels...
Urethra
Budding
50. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
Female Sex Hormones
oviduct
Four Parts of Interphase
Telophase I