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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. Part of embry that are seed leaves
Ovaries
Fertilization/Conjugation
Cotyledons
Mature sperm
2. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Gametophyte Generation
Corona Radiata
Head of Sperm
Oocytes
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
Telophase I
Tetrad
Estrogens
Acrosomal Process
4. 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
Partenogenesis
Interphase
Four Parts of Interphase
Follicle
5. Have two cotyledons that absorb the endosperm
Follicular phase
Dicots
Chromatin
Filament
6. Cell division that follows karyokinesis
External Fertilization
Synapsis
Spermatogenesis
Cytokinesis
7. Contains elongated cell with head - tail - neck - and body
Angiosperms
Mature sperm
Corona Radiata
Uterus
8. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Meiosis
Sexual Reproductive Mechanisms
Dizygotic (Fraternal) Twins
Endosperm
9. AKA stolon -woody - underground stems -can develop new upright stems
Gametes
Meristems
Monocots
Rhizomes
10. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Anther
Centromere
Oocyte Cell Membrane
Asexual Reproduction
11. 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
Urethra
Four Parts of Interphase
Natural Vegatative Propagation
Spermatozoa
12. 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
Partenogenesis
Meiosis
Budding
Chromatin
13. Surrounded by two layers of cells
Head of Sperm
Oocyte Cell Membrane
Cortical Reaction
Mature Ovum
14. Result when a single zygote splits into two embryos
Monozygotic (identical) Twins
Budding
Menses
Meiosis
15. Common passageway for both the reproductive and exretory systems
Menstrual Cycle
Anther
Male Urethra
Metaphase (Interphase)
16. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Meiosis
Spermatids
Second Meiotic Division
Vaginal Canal
17. Egg
Sporophyte
Sexual Reproductive Mechanisms
Crossing Over
Ovum
18. Secretes estrogen and progesterone
Meristem Cells
Corpus Luteum
Meisosis vs. Mitosis
Crossing Over
19. Found in the tips of roots and stems where growth in length occurs
Apical Meristem
Single Mature Egg
Crossing Over
Oocytes
20. Near the end of telophase - the cytoplasm divides into two daughter cells - each wit a complete nucleus and its own set of organelles -In animal cells - a cleavage furrow forms - and the cell membrane indents along the equator of the cell and finally
Fission
Urethra
Cytokinesis (Interphase)
Spores
21. Centriole pairs are now at opposite poles of the cell
Flagellum
Immature ovum
Metaphase (Interphase)
Oocytes
22. 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
Immature ovum
Urethra
Testosterone
Fission
23. Inner layer of oocyte cell membrane
Plant vs. Animal cells
Angiosperms
Internal Fertilization
Zona Pellucida
24. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
Stamen
Telophase I
Urethra
Fertilization
25. AKA ovanan or fallopian tube -opens into the upper end of the uterus
Prophase (Interphase)
Angiosperms
oviduct
Interphase (Meiosis)
26. 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
Corpus Luteum
Menstruation
Cell Division
Testes
27. 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/Conjugation
epicotyl
hCG (human Chorionic Gonadotrophin)
Fertilization
28. Have both functional male and female gonads
Dizygotic (Fraternal) Twins
Metaphase (Interphase)
Hermaphrodites
Fertilization membrane
29. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Fertilization
Ovulation
Tubers
Cervix
30. Thin and stalk like with a terminal sac called the anther
Fission
Tetrad
Filament
Acrosome
31. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Centromere
Single Mature Egg
Secondary Spermatocytes
Asexual Reproduction in Plants
32. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Vaginal Canal
Luteal Phase
Sexual Reproduction in Animals
Menstruation
33. Uncoiled DNA
Single Mature Egg
Dicots
Chromatin
Asexual Reproduction in Plants
34. Flowering plants consisting of a few cells that exist for a very short time
Angiosperms
Sporophyte Generation
Secondary Oocyte
Monocots
35. Sporophyte generation is the dominant - familiar form
Ferns
Anaphase I
Head of Sperm
Sexual Reproduction in Angiosperms
36. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Secondary Spermatocytes
Spores
Seed Coat
Primary Oocytes
37. Lower - narrow end of the uterus -connects with the vaginal canal
Scrotum
Gametes
Estrogens
Cervix
38. Menstrual flow
Anther
Corpus Luteum
Menses
Follicle
39. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Vegetative Propagation
Ovum
Female Sex Hormones
Sperm Travels...
40. Part of embryo that is the precursor of the upper stem and leaves
epicotyl
Natural Vegatative Propagation
Cotyledons
Apical Meristem
41. The male organ of the flower and consists of a thin - stalk-like filament
Endosperm
Ovum
Stamen
Anther
42. Produces monoploid spores that develop into pollen grains
Cervix
Anther
Cellular Division (Multicellular Organisms)
Uterus
43. 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
Artificial Vegetative Propagation
Centromere
Endosperm
Spore Formation
44. Have one cotyledon
Natural Vegatative Propagation
Meristem Cells
Estrogens
Monocots
45. Specialized organs where gametes are produced
Estrogens
Gonads
Mature sperm
Mitosis
46. Specialized sex cells
Gametes
Testosterone
Apical Meristem
Sporophyte
47. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Runners
Tubers
Telophase I
Luteal Phase
48. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Ferns
Partenogenesis
Metaphase (Interphase)
Cell Division
49. A means of reproduction
Cellular Division (Unicellular Organisms)
Budding
Menses
Primary Spermatocytes
50. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Cell Plate
Second Meiotic Division
Synapsis
Sexual Reproduction in Angiosperms
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