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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. 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
oviduct
Budding
Estrogens
Uterus
2. 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
Sperm Travels...
Partenogenesis
Corona Radiata
Telophase (Interphase)
3. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Sperm Travels...
Asexual Reproduction in Plants
Urethra
Sexual Reproduction in Animals
4. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Runners
Menses
Mosses
Testes
5. Menstrual flow
Mosses
Spermatogenesis
Cortical Reaction
Menses
6. Surrounded by two layers of cells
Metaphase Plate (Interphase)
Cell Plate
Oocyte Cell Membrane
Sexual Reproduction in Animals
7. Part of embryo that is the precursor of the upper stem and leaves
Stamen
epicotyl
Progesterone
Artificial Vegetative Propagation
8. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Crossing Over
Synapsis
Centromere
Sexual Reproduction in Animals
9. The development of an unfertilized egg into an adult organism
Filament
Fertilization membrane
Partenogenesis
Ovaries
10. The production of female gametes -occurs in the ovarian follicles
Oogenesis
Sporophyte Generation
Ovaries
Gonads
11. Outer layer of oocyte cell membrane
Budding
Secondary Spermatocytes
Crossing Over
Corona Radiata
12. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Hypocotyl
Gametophyte Generation
Metaphase I
Sexual Reproduction in Animals
13. 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 -
Sexual Reproduction in Animals
Asexual Reproduction
Follicular phase
Dizygotic (Fraternal) Twins
14. Regrowth of a lost or injured body part
Rhizomes
Anaphase I
Endosperm
Regeneration
15. 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
Stamen
Spermatids
Rhizomes
16. Consists almost entirely of the nucleus - which contains the paternal genome
Meristems
Head of Sperm
Synapsis
Meiosis
17. 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
Vegetative Propagation
Spermatozoa
Hypocotyl
Mature sperm
18. 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
Mosses
Ovum
Meiosis
19. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Estrogens
Sexual Reproduction in Angiosperms
Budding
Second Meiotic Division
20. Diploid cells of spermatogonia
Testosterone
Primary Spermatocytes
Menses
Single Mature Egg
21. 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
Mitosis
Flower
Chromatin
epicotyl
22. Have one cotyledon
Monocots
Cytokinesis (Interphase)
Regeneration
Oogenesis
23. Centriole pairs are now at opposite poles of the cell
Plant vs. Animal cells
Stamen
Cervix
Metaphase (Interphase)
24. Found in the tips of roots and stems where growth in length occurs
Oocyte Cell Membrane
Estrogens
Apical Meristem
Gametophyte Generation
25. (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
Meristem Cells
Disjunction
Spermatogenesis
Testes
26. Contains elongated cell with head - tail - neck - and body
Mature sperm
Primary Spermatocytes
Scrotum
Karyokinesis
27. 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
Primary Spermatocytes
Anther
Vaginal Canal
Corona Radiata
28. Specialized sex cells
Cytokinesis
Gametes
Stamen
Male Urethra
29. Common passageway for both the reproductive and exretory systems
Meisosis vs. Mitosis
Disjunction
Male Urethra
Anaphase I
30. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Vaginal Canal
Internal Fertilization
Testes
Chromatin
31. 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
Cortical Reaction
Runners
Second Meiotic Division
Meiosis
32. Inner layer of oocyte cell membrane
Metaphase Plate (Interphase)
Zona Pellucida
Cytokinesis
Gametophyte Generation
33. Have both functional male and female gonads
Hermaphrodites
Head of Sperm
Follicle
Stamen
34. Egg
Male Urethra
Ovum
Interphase
Gametes
35. Part of embryo that develops into the lower and root
Hypocotyl
Crossing Over
Monocots
Spermatogonia
36. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Testes
Tubers
Asexual Reproduction
Prophase (Interphase)
37. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Spermatogonia
Scrotum
Anaphase I
Gametes
38. The male organ of the flower and consists of a thin - stalk-like filament
Monozygotic (identical) Twins
Stamen
Cervix
Rhizomes
39. The production of female gametes - occurs in the ovaries
Monocots
Dicots
Oogenesis
Hypocotyl
40. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Immature ovum
Polar Body
Ovulation
Cell Plate
41. Differs from asexual reproduction in that there are two parents involved and the end result is a geneticaly unique offspring -fusion of two gametes
Anaphase (Interphase)
Sexual Reproductive Mechanisms
Mosses
Sexual Reproduction Requires
42. Method of growth - development - and replacement of worn-out cells
Cellular Division (Multicellular Organisms)
Oogenesis
Interphase (Meiosis)
Partenogenesis
43. Reproductive structure of angiosperms
Menses
Flower
Spore Formation
Corpus Luteum
44. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Cell Division
Sporophyte Generation
Mitosis
Apical Meristem
45. Specialized cells with hard coverings that prevent loss of water
Karyokinesis
Spores
Natural Vegatative Propagation
Runners
46. Uncoiled DNA
Primary Oocytes
Chromatin
Flagellum
Meristems
47. Produces monoploid spores that develop into pollen grains
Fertilization
Flower
Menstruation
Anther
48. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
Secondary Oocyte
Telophase I
First Meiotic Division
Cervix
49. AKA stolon -woody - underground stems -can develop new upright stems
epicotyl
Rhizomes
Urethra
Spore Formation
50. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Sexual Reproductive Mechanisms
Luteal Phase
First Meiotic Division
Mature sperm