SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
Urethra
Telophase I
Vegetative Propagation
Cotyledons
2. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Sperm Travels...
Cytokinesis (Interphase)
Fertilization/Conjugation
Runners
3. Common passageway for both the reproductive and exretory systems
Female Sex Hormones
Male Urethra
Mature sperm
Menses
4. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Sexual Reproductive Mechanisms
Follicle
Sporophyte Generation
Ferns
5. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Tetrad
Testes
Secondary Spermatocytes
Ferns
6. 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
Cytokinesis
Internal Fertilization
Oocyte Cell Membrane
Fertilization/Conjugation
7. Nuclear division and followed by cell division
Prophase (Interphase)
Menses
Karyokinesis
Menstrual Cycle
8. 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
Testosterone
Cytokinesis (Interphase)
Ovulation
Acrosome
9. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Single Mature Egg
Dizygotic (Fraternal) Twins
Primary Oocytes
Oocytes
10. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Angiosperms
Zona Pellucida
Internal Fertilization
Sexual Reproduction in Animals
11. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Sporophyte
Primary Oocytes
External Fertilization
Ovum
12. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Fertilization membrane
Meristem Cells
Runners
Spores
13. Specialized cells with hard coverings that prevent loss of water
Spores
Spermatogonia
Meristems
Anaphase (Interphase)
14. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Prophase (Interphase)
Prophase I
hCG (human Chorionic Gonadotrophin)
Interphase
15. Found in the tips of roots and stems where growth in length occurs
Sexual Reproduction Requires
Apical Meristem
Regeneration
Prophase (Interphase)
16. Eggs
Dicots
Cotyledons
Spore Formation
Oocytes
17. Gametophyte is the dominant generation -smaller - short lived organism that depends on the gametophyte for energy and nutrients - sporophytes grow on top of the gametophytes and produce spores that develop into gametophytes
Corona Radiata
Mosses
Ovulation
Rhizomes
18. AKA sperm production -occurs in the seminiferous tubules
Spermatogenesis
Disjunction
Ovum
Corona Radiata
19. 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
Karyokinesis
Sexual Reproduction in Angiosperms
Four Parts of Interphase
Oocytes
20. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Corona Radiata
Interphase (Meiosis)
Endosperm
Follicle
21. Part of embryo that develops into the lower and root
Ovaries
Tubers
Hypocotyl
Artificial Vegetative Propagation
22. 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
Four Parts of Interphase
Menstruation
Cambium
Anther
23. Outer layer of oocyte cell membrane
Plant vs. Animal cells
Spermatozoa
Anaphase (Interphase)
Corona Radiata
24. Have both functional male and female gonads
Metaphase (Interphase)
Progesterone
Testes
Hermaphrodites
25. The male organ of the flower and consists of a thin - stalk-like filament
Immature ovum
Stamen
Fertilization/Conjugation
Spermatids
26. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Testes
Asexual Reproduction in Plants
Oogenesis
Corona Radiata
27. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Regeneration
Mature sperm
Ovum
Sexual Reproduction Requires
28. 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 -
Ferns
Synapsis
Asexual Reproduction
Sporophyte Generation
29. AKA stolon -woody - underground stems -can develop new upright stems
Spermatozoa
Polar Body
Primary Spermatocytes
Rhizomes
30. 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
Oocytes
Telophase (Interphase)
Progesterone
Testosterone
31. 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
First Meiotic Division
Karyokinesis
Spore Formation
32. Menstrual flow
Spermatogonia
Metaphase Plate (Interphase)
Sexual Reproduction in Angiosperms
Menses
33. Specialized organs where gametes are produced
Sperm Travels...
Single Mature Egg
Polar Body
Gonads
34. AKA lateral meristem -located between the xylem and phloem
Cambium
Monozygotic (identical) Twins
Asexual Reproduction in Plants
Vegetative Propagation
35. Very similar to mitosis - except that meiosis II is not preceded by chromosomal replication -chromosomes align at the equator - separate and move to opposite poles - and are surrounded by a reformed nuclear membrane -new cells have the haploid number
Prophase (Interphase)
Sexual Reproduction in Angiosperms
Second Meiotic Division
Bulbs
36. A means of reproduction
Polar Body
Dicots
Mitosis
Cellular Division (Unicellular Organisms)
37. (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
Hermaphrodites
Cotyledons
Disjunction
Ovaries
38. Method of growth - development - and replacement of worn-out cells
Gametes
Menses
Menstruation
Cellular Division (Multicellular Organisms)
39. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
Scrotum
Follicle
Plant vs. Animal cells
Metaphase Plate (Interphase)
40. 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
Interphase (Meiosis)
Spermatozoa
Fertilization membrane
Spermatogonia
41. Cell undergoes a period of growth and replication of genetic material before the initiation of mitosis -cell spends at least 90% of life in interphase -each chromosome is replicated so that during division - a complete copy of the genome can be distr
Scrotum
Telophase (Interphase)
Fission
Interphase
42. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Tetrad
Metaphase Plate (Interphase)
Prophase (Interphase)
Cell Plate
43. Have one cotyledon
Monocots
Cytokinesis (Interphase)
Head of Sperm
Gonads
44. Undifferentiated tissues in plants
Meristems
Chromatin
Follicle
Ovaries
45. 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
Acrosomal Process
Metaphase I
Meristems
Fission
46. Surrounded by two layers of cells
Fertilization
Oocyte Cell Membrane
Angiosperms
hCG (human Chorionic Gonadotrophin)
47. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Follicle
Meristem Cells
Cervix
First Meiotic Division
48. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Telophase (Interphase)
Cortical Reaction
Monocots
Cell Division
49. Union of gametes
Menstruation
Polar Body
Gonads
Fertilization/Conjugation
50. Lower - narrow end of the uterus -connects with the vaginal canal
Cervix
Mature sperm
Embryo
Fertilization/Conjugation