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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. 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
Gametes
Cambium
Meiosis
Menstruation
2. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Tetrad
Hypocotyl
Apical Meristem
Spermatids
3. 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
hCG (human Chorionic Gonadotrophin)
Estrogens
Corona Radiata
4. Surrounded by two layers of cells
Oocyte Cell Membrane
Sexual Reproduction in Animals
Gametes
Mitosis
5. Sperm production -occurs in the seminiferous tubules
Oogenesis
Spermatogenesis
Primary Oocytes
Natural Vegatative Propagation
6. Part of embryo that grows and feeds the embryo
Apical Meristem
Endosperm
Fission
Regeneration
7. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Progesterone
Asexual Reproduction in Plants
Primary Oocytes
Mitosis
8. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Meisosis vs. Mitosis
epicotyl
Chromatin
Ovaries
9. Egg
Ovum
Meisosis vs. Mitosis
Spermatozoa
Regeneration
10. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Anaphase I
Polar Body
Scrotum
Female Sex Hormones
11. 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
Oogenesis
Fertilization
External Fertilization
Cervix
12. Produces monoploid spores that develop into pollen grains
Acrosome
Tetrad
Mature Ovum
Anther
13. Centriole pairs are now at opposite poles of the cell
Metaphase (Interphase)
Fission
Cell Plate
Internal Fertilization
14. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Meristem Cells
Menstruation
Synapsis
Secondary Spermatocytes
15. 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
Fission
Hypocotyl
Natural Vegatative Propagation
Urethra
16. Part of embryo that develops from the outer covering of the ovule
Rhizomes
Acrosome
Seed Coat
Sporophyte
17. Muscular chamber which is the site of fetal development
Uterus
Acrosome
Acrosomal Process
Mature Ovum
18. Plants exhibit alternation of generation in which a diploid generation is succeeded by a haploid generation -diploid saprophyte generation produces haploid spores - which develop into the haploid saprophyte generation
Spore Formation
Cortical Reaction
Mitosis
Menstrual Cycle
19. Differs from asexual reproduction in that there are two parents involved and the end result is a geneticaly unique offspring -fusion of two gametes
Testes
Uterus
Sexual Reproductive Mechanisms
Fertilization/Conjugation
20. (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
Internal Fertilization
Disjunction
Sexual Reproduction in Angiosperms
Asexual Reproduction
21. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Metaphase Plate (Interphase)
Sexual Reproduction in Angiosperms
Testosterone
Disjunction
22. Lower - narrow end of the uterus -connects with the vaginal canal
Cervix
Estrogens
Tetrad
Telophase (Interphase)
23. Two haploid cells yielded from meiotic division of primary spermatocytes
Urethra
Secondary Spermatocytes
Tetrad
Sporophyte Generation
24. Part of embry that are seed leaves
Cotyledons
Zona Pellucida
Ovum
Fertilization
25. Specialized sex cells
Gametes
Sexual Reproduction in Angiosperms
Menstrual Cycle
Metaphase I
26. Contains elongated cell with head - tail - neck - and body
Estrogens
Crossing Over
Runners
Mature sperm
27. Result when a single zygote splits into two embryos
Spermatogonia
Meisosis vs. Mitosis
Monozygotic (identical) Twins
Anaphase (Interphase)
28. Undifferentiated tissues in plants
Ovulation
Fertilization membrane
Meristems
Primary Oocytes
29. 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
Ovulation
Sexual Reproductive Mechanisms
Telophase (Interphase)
Interphase
30. 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
Oogenesis
Angiosperms
Telophase (Interphase)
Follicle
31. Female gonads that produce oocytes
Menstrual Cycle
Ovaries
Artificial Vegetative Propagation
Plant vs. Animal cells
32. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Sexual Reproduction in Animals
Filament
Mitosis
Metaphase Plate (Interphase)
33. Method of growth - development - and replacement of worn-out cells
Follicular phase
Testes
Cellular Division (Multicellular Organisms)
Regeneration
34. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Karyokinesis
Secondary Oocyte
Hermaphrodites
Ovum
35. Diploid cells of spermatogonia
Primary Spermatocytes
Immature ovum
Synapsis
Oocytes
36. 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
Gonads
Embryo
Fission
Fertilization
37. The development of an unfertilized egg into an adult organism
Partenogenesis
Bulbs
Flower
Follicular phase
38. 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
Fertilization
Corona Radiata
Second Meiotic Division
Meisosis vs. Mitosis
39. AKA stolon -woody - underground stems -can develop new upright stems
oviduct
Internal Fertilization
hCG (human Chorionic Gonadotrophin)
Rhizomes
40. 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
Sexual Reproduction Requires
Ovulation
Monozygotic (identical) Twins
Sexual Reproduction in Animals
41. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Dicots
Immature ovum
Mosses
Partenogenesis
42. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Centromere
Hypocotyl
Gametophyte Generation
Scrotum
43. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Gonads
Telophase I
Mature sperm
Runners
44. Produced when each meiotic division -rapidly degenerate
Polar Body
Mitosis
Embryo
Rhizomes
45. 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
Spermatogonia
Menstrual Cycle
Artificial Vegetative Propagation
Follicle
46. Mass of cells formed when the zygote divides
Bulbs
Fertilization membrane
Urethra
Embryo
47. Secretes estrogen and progesterone
Polar Body
Corpus Luteum
Meiosis
Telophase I
48. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Anaphase (Interphase)
Asexual Reproduction in Plants
Spermatozoa
Follicular phase
49. 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
Male Urethra
Polar Body
Artificial Vegetative Propagation
Testes
50. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Single Mature Egg
External Fertilization
hCG (human Chorionic Gonadotrophin)
Spermatozoa
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