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. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Budding
Head of Sperm
Flagellum
Filament
2. Bulbs - tubers - runners - rhizomes
Angiosperms
Hypocotyl
Sexual Reproductive Mechanisms
Natural Vegatative Propagation
3. The production of female gametes -occurs in the ovarian follicles
Stamen
Progesterone
Oogenesis
Flagellum
4. Produced when each meiotic division -rapidly degenerate
Polar Body
Urethra
Cambium
Monozygotic (identical) Twins
5. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Anther
Spermatogenesis
Dizygotic (Fraternal) Twins
Primary Oocytes
6. Specialized organs where gametes are produced
Gonads
Asexual Reproduction in Plants
Fertilization/Conjugation
Head of Sperm
7. Consists almost entirely of the nucleus - which contains the paternal genome
Spermatogonia
Testosterone
Dizygotic (Fraternal) Twins
Head of Sperm
8. Menstrual flow
Menses
Sporophyte Generation
Male Urethra
Acrosome
9. Union of the egg and sperm nuclei to form a zygote with a diploid number of chromosomes
Secondary Oocyte
Fertilization
Telophase (Interphase)
Primary Oocytes
10. Located on scrotum -site for testosterone
Monocots
Secondary Spermatocytes
Dizygotic (Fraternal) Twins
Testes
11. Uncoiled DNA
Spores
Cellular Division (Unicellular Organisms)
Chromatin
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
Anaphase (Interphase)
Mature sperm
Natural Vegatative Propagation
Primary Oocytes
13. 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
Cambium
Female Sex Hormones
Oogenesis
Acrosomal Process
14. 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
Acrosome
Corona Radiata
Female Sex Hormones
Interphase
15. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Spermatogenesis
Hypocotyl
Luteal Phase
Interphase (Meiosis)
16. Hormonal secretions of the ovaries - the hypothalamus - and the anterior pituitary play important roles in the female reproductive cycle -divided into the follicular phase - ovulation - the luteal phase - and menstruation
Menstrual Cycle
Progesterone
Zona Pellucida
Endosperm
17. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
First Meiotic Division
Meisosis vs. Mitosis
Four Parts of Interphase
Immature ovum
18. AKA ovanan or fallopian tube -opens into the upper end of the uterus
Budding
oviduct
Artificial Vegetative Propagation
Angiosperms
19. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Spermatogenesis
Primary Oocytes
Flagellum
Tetrad
20. Eggs
Ovulation
Oocytes
Cell Plate
Sporophyte
21. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Meiosis
Sexual Reproduction in Angiosperms
Cellular Division (Multicellular Organisms)
Rhizomes
22. Part of embry that are seed leaves
Cotyledons
Anaphase I
Mature Ovum
Follicle
23. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Internal Fertilization
Rhizomes
Sexual Reproductive Mechanisms
Sperm Travels...
24. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
Sexual Reproduction in Angiosperms
Secondary Spermatocytes
Follicle
Seed Coat
25. Union of gametes
Fertilization/Conjugation
Sporophyte Generation
Sexual Reproduction in Angiosperms
Oocyte Cell Membrane
26. Can be fertilized during the 12-24hr after ovulation -occurs in the lateral - widest portion of the fallopian tube -sperm must travel through the vaginal canal - cervix - uterus - and into the fallopian tubes to reach the ovum
Fertilization
Spermatogenesis
Progesterone
Monocots
27. AKA sperm production -occurs in the seminiferous tubules
Asexual Reproduction in Plants
Corpus Luteum
Primary Spermatocytes
Spermatogenesis
28. Passes through the penis and opens to the outside at its tip
Disjunction
Budding
Urethra
Mosses
29. Thin and stalk like with a terminal sac called the anther
Female Sex Hormones
Cellular Division (Unicellular Organisms)
Filament
epicotyl
30. 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
Dicots
Ferns
Embryo
Budding
31. 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
Karyokinesis
Sporophyte Generation
Runners
Prophase (Interphase)
32. Egg
Ovum
Fertilization
Menses
Zona Pellucida
33. (In Prophase I) each chromosome consists of two sister chromatids - each synaptic pair of homologous chromosomes containing four chromatids
Dicots
Tetrad
Vaginal Canal
Telophase (Interphase)
34. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Hypocotyl
Metaphase Plate (Interphase)
oviduct
External Fertilization
35. Reproductive structure of angiosperms
Flower
Sperm Travels...
Sporophyte
Chromatin
36. Undergoes disjunction
Oocyte Cell Membrane
Dicots
Meristem Cells
Anaphase I
37. Sporophyte generation is the dominant - familiar form
Ferns
Telophase I
Flower
Cambium
38. 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
Artificial Vegetative Propagation
Zona Pellucida
oviduct
Spermatids
39. 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
Menstrual Cycle
Acrosome
Estrogens
Secondary Oocyte
40. Found in the tips of roots and stems where growth in length occurs
Menstrual Cycle
Apical Meristem
Immature ovum
Budding
41. Muscular chamber which is the site of fetal development
Urethra
Uterus
Immature ovum
Cellular Division (Multicellular Organisms)
42. Part of embryo that is the precursor of the upper stem and leaves
Corona Radiata
Menses
epicotyl
Crossing Over
43. Part of embryo that develops into the lower and root
Cortical Reaction
Hypocotyl
Spores
Prophase (Interphase)
44. (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
Disjunction
Partenogenesis
Asexual Reproduction
Cervix
45. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Gonads
Spermatogenesis
Sporophyte
Angiosperms
46. First barrier that the sperm must penetrate -enzymes secreted by the sperm aid in penetration of the corona radiata -arosome is responsible for penetrating the zona pellucida; it releases enzymes that digest this layer - thereby allowing the sperm to
Crossing Over
Flagellum
Chromatin
Corona Radiata
47. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Spermatids
Gametophyte Generation
Corona Radiata
Primary Spermatocytes
48. Two haploid cells yielded from meiotic division of primary spermatocytes
Four Parts of Interphase
Internal Fertilization
Secondary Spermatocytes
Oocyte Cell Membrane
49. Part of embryo that develops from the outer covering of the ovule
External Fertilization
Seed Coat
Secondary Oocyte
Primary Spermatocytes
50. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Luteal Phase
Asexual Reproduction
Prophase (Interphase)
Dicots