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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. Ex: estrogens and progesterone -synthesized by ovaries
Endosperm
Ovum
Follicle
Female Sex Hormones
2. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Spermatogenesis
Plant vs. Animal cells
Flagellum
Fertilization/Conjugation
3. Sperm production -occurs in the seminiferous tubules
Cellular Division (Multicellular Organisms)
Asexual Reproduction
Spermatogenesis
Flagellum
4. Outer layer of oocyte cell membrane
Secondary Spermatocytes
Corona Radiata
Cellular Division (Multicellular Organisms)
Sperm Travels...
5. Cell division that follows karyokinesis
Fission
Fertilization
Prophase I
Cytokinesis
6. Thin and stalk like with a terminal sac called the anther
Ovum
Endosperm
Filament
Sexual Reproduction in Angiosperms
7. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Vaginal Canal
Angiosperms
Second Meiotic Division
Ferns
8. 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
Spores
Urethra
Vegetative Propagation
Follicle
9. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Interphase (Meiosis)
Fission
Secondary Oocyte
Corpus Luteum
10. 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
Filament
Acrosome
Sexual Reproduction in Animals
Meiosis
11. 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
Metaphase I
Spermatozoa
Interphase (Meiosis)
Progesterone
12. 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
Natural Vegatative Propagation
Meisosis vs. Mitosis
Fertilization membrane
Menstruation
13. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Meristem Cells
Testes
Rhizomes
Luteal Phase
14. 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
Metaphase (Interphase)
External Fertilization
Telophase I
Fertilization
15. Result when a single zygote splits into two embryos
Ovaries
Monozygotic (identical) Twins
Crossing Over
Fertilization
16. Located on scrotum -site for testosterone
Testes
Polar Body
Sporophyte Generation
hCG (human Chorionic Gonadotrophin)
17. A means of reproduction
Menstruation
Cellular Division (Unicellular Organisms)
Fertilization
Spores
18. Secretes estrogen and progesterone
Spermatogenesis
Spermatids
Secondary Oocyte
Corpus Luteum
19. Female gonads that produce oocytes
Ovaries
Four Parts of Interphase
Centromere
Cervix
20. Part of embryo that grows and feeds the embryo
Seed Coat
Meiosis
Prophase I
Endosperm
21. Chromosomes condense - and the centriole pairs (in animals) separate and move towards the opposite poles of the cell. the spindle apparatus forms between them - and the nuclear membrane dissolves - allowing the spindle fibers to interact with the chr
Partenogenesis
Oogenesis
Prophase (Interphase)
Ovaries
22. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Sperm Travels...
External Fertilization
Cellular Division (Unicellular Organisms)
Spermatozoa
23. Undifferentiated tissues in plants
Vaginal Canal
Meristems
Acrosomal Process
Natural Vegatative Propagation
24. 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
Acrosomal Process
Sexual Reproduction Requires
Rhizomes
Sporophyte
25. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Head of Sperm
Metaphase Plate (Interphase)
Cytokinesis (Interphase)
Luteal Phase
26. Menstrual flow
Menses
Second Meiotic Division
Anther
Budding
27. (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
Cell Plate
Artificial Vegetative Propagation
Disjunction
Primary Spermatocytes
28. Muscular chamber which is the site of fetal development
Uterus
Fission
Cellular Division (Unicellular Organisms)
Cambium
29. Split to form several bulbs
Bulbs
Corona Radiata
Disjunction
Zona Pellucida
30. Nuclear division and followed by cell division
Karyokinesis
External Fertilization
Fertilization membrane
Tetrad
31. 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
Runners
Anaphase (Interphase)
Corpus Luteum
Synapsis
32. 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
Budding
Fertilization membrane
Asexual Reproduction in Plants
Sexual Reproductive Mechanisms
33. Regrowth of a lost or injured body part
Head of Sperm
Regeneration
Prophase (Interphase)
Fertilization
34. 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
Ovaries
Metaphase (Interphase)
Ovulation
Ferns
35. Have both functional male and female gonads
Hermaphrodites
Luteal Phase
Female Sex Hormones
Acrosome
36. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
hCG (human Chorionic Gonadotrophin)
epicotyl
Follicle
Monozygotic (identical) Twins
37. 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
Cortical Reaction
Meiosis
Spermatozoa
Sperm Travels...
38. Part of embryo that develops into the lower and root
Hypocotyl
Natural Vegatative Propagation
Corona Radiata
Meristems
39. 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
Spermatogenesis
Corona Radiata
Cell Division
Telophase (Interphase)
40. 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
Menstruation
Disjunction
Oogenesis
41. 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
Embryo
Meiosis
Primary Oocytes
42. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Interphase (Meiosis)
Gametes
Prophase (Interphase)
Sexual Reproduction in Angiosperms
43. Homologous pairs (tetrads) align at the equatorial plane - and each pair attaches to a separate spindle fiber by its kinetochore
Luteal Phase
Metaphase I
Ovaries
Menstruation
44. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Fertilization
Cell Division
Ovulation
Metaphase Plate (Interphase)
45. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Ovaries
Sexual Reproduction in Animals
Internal Fertilization
Sporophyte
46. 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
Four Parts of Interphase
Runners
Fission
Mosses
47. Produced when each meiotic division -rapidly degenerate
Gonads
Spermatozoa
Polar Body
Asexual Reproduction
48. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Cell Plate
Sexual Reproduction in Angiosperms
Immature ovum
Gonads
49. The production of female gametes - occurs in the ovaries
Interphase (Meiosis)
Oogenesis
Monozygotic (identical) Twins
Asexual Reproduction in Plants
50. Plant cells lack centrioles -spindle apparatus is synthesized by mcrotubule organizing centers that are not visible -cytokinesis in animal cells proceeds through production of a cleavage furrow -Plant cells are rigid and can't form cleavage furrows -
Asexual Reproduction in Plants
Primary Spermatocytes
Plant vs. Animal cells
Interphase (Meiosis)