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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) 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
Meristem Cells
Primary Oocytes
Cell Division
Crossing Over
2. Outer layer of oocyte cell membrane
Corona Radiata
Sporophyte Generation
Oocytes
Internal Fertilization
3. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Oocyte Cell Membrane
Corpus Luteum
Cellular Division (Unicellular Organisms)
Luteal Phase
4. Uncoiled DNA
Anther
Testes
Chromatin
Male Urethra
5. The production of female gametes - occurs in the ovaries
Luteal Phase
Corpus Luteum
Oogenesis
Anther
6. The production of female gametes -occurs in the ovarian follicles
Sperm Travels...
Chromatin
Oogenesis
Meristem Cells
7. Lower - narrow end of the uterus -connects with the vaginal canal
Urethra
Spermatozoa
Cervix
Regeneration
8. 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
hCG (human Chorionic Gonadotrophin)
Fission
Spermatogonia
Asexual Reproduction
9. Contains elongated cell with head - tail - neck - and body
Estrogens
Mature sperm
Oocyte Cell Membrane
Sexual Reproduction in Angiosperms
10. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Testes
Flower
Immature ovum
Spermatogenesis
11. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Crossing Over
Menses
Angiosperms
Sporophyte
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
Anaphase (Interphase)
Monocots
Testes
Menstrual Cycle
13. Formed due to cortical reaction -hard layer that surrounds the ovum cell membrane and prevents multiple fertilizations -Followed by the fusion of sperm nucleus and form a diploid zygote
Rhizomes
Spermatogenesis
Fertilization membrane
Vegetative Propagation
14. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Prophase (Interphase)
Corona Radiata
Runners
Asexual Reproduction
15. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Metaphase (Interphase)
Sporophyte Generation
Synapsis
Crossing Over
16. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Monozygotic (identical) Twins
Cell Plate
Cambium
Oocytes
17. 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
Fertilization/Conjugation
Metaphase Plate (Interphase)
Four Parts of Interphase
18. Union of gametes
Second Meiotic Division
Mature Ovum
Fertilization/Conjugation
oviduct
19. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Sperm Travels...
Interphase
Cytokinesis (Interphase)
Sexual Reproduction Requires
20. Mass of cells formed when the zygote divides
Meiosis
Acrosome
Testes
Embryo
21. 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
External Fertilization
Cortical Reaction
22. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Gametophyte Generation
Mature Ovum
Flagellum
Zona Pellucida
23. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Follicle
Scrotum
Karyokinesis
Immature ovum
24. Part of embryo that is the precursor of the upper stem and leaves
Telophase (Interphase)
epicotyl
Sporophyte Generation
hCG (human Chorionic Gonadotrophin)
25. 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
Sexual Reproduction in Angiosperms
Crossing Over
Spermatogenesis
26. Differs from asexual reproduction in that there are two parents involved and the end result is a geneticaly unique offspring -fusion of two gametes
Sexual Reproductive Mechanisms
Spores
Hypocotyl
Cotyledons
27. Specialized organs where gametes are produced
Gonads
Metaphase Plate (Interphase)
Cell Division
Uterus
28. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Metaphase Plate (Interphase)
Flower
Prophase I
Plant vs. Animal cells
29. 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
Cervix
Anaphase (Interphase)
Interphase (Meiosis)
Acrosomal Process
30. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Ovaries
Testes
Uterus
Synapsis
31. 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
Spermatozoa
Interphase (Meiosis)
Monocots
Gametes
32. Undifferentiated tissues in plants
Testes
Scrotum
Meristems
Spermatogenesis
33. 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
Hermaphrodites
Primary Oocytes
Testes
Telophase (Interphase)
34. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Spermatids
Sexual Reproduction in Angiosperms
Cellular Division (Multicellular Organisms)
Meisosis vs. Mitosis
35. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Cytokinesis (Interphase)
Vaginal Canal
Cellular Division (Unicellular Organisms)
Apical Meristem
36. Homologous pairs (tetrads) align at the equatorial plane - and each pair attaches to a separate spindle fiber by its kinetochore
Telophase (Interphase)
Male Urethra
Metaphase I
Meristem Cells
37. Located on scrotum -site for testosterone
Cytokinesis (Interphase)
Sexual Reproduction in Animals
Testes
Ferns
38. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Interphase (Meiosis)
Sporophyte Generation
Fission
Follicle
39. Undergoes disjunction
Prophase (Interphase)
Meisosis vs. Mitosis
Oocytes
Anaphase I
40. Passes through the penis and opens to the outside at its tip
Urethra
Metaphase Plate (Interphase)
Ovulation
Asexual Reproduction in Plants
41. Method of growth - development - and replacement of worn-out cells
Cellular Division (Multicellular Organisms)
Runners
Cytokinesis
Anaphase I
42. 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
Hypocotyl
Partenogenesis
Mosses
Mitosis
43. 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
Metaphase (Interphase)
Flagellum
Prophase (Interphase)
Testes
44. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
hCG (human Chorionic Gonadotrophin)
Cortical Reaction
Synapsis
Sexual Reproduction in Animals
45. Egg
Stamen
Tetrad
Ovum
Fertilization
46. Muscular chamber which is the site of fetal development
Uterus
Asexual Reproduction
Vegetative Propagation
Anaphase (Interphase)
47. A means of reproduction
Cellular Division (Multicellular Organisms)
Sexual Reproduction in Angiosperms
Seed Coat
Cellular Division (Unicellular Organisms)
48. Flowering plants consisting of a few cells that exist for a very short time
Sperm Travels...
Ferns
Angiosperms
Oocytes
49. Produced when each meiotic division -rapidly degenerate
Rhizomes
Secondary Spermatocytes
Menstrual Cycle
Polar Body
50. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
oviduct
Telophase I
Filament
Telophase (Interphase)