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Test your basic knowledge |
PCAT Biology Reproduction
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Subjects
:
pcat
,
biology
Instructions:
Answer 50 questions in 15 minutes.
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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. Secretes estrogen and progesterone
hCG (human Chorionic Gonadotrophin)
Centromere
Corpus Luteum
Plant vs. Animal cells
2. Regulates secondary male sex characteristics including facial and pubic hair and voice changes
Acrosomal Process
Oogenesis
Testosterone
Plant vs. Animal cells
3. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Embryo
Corona Radiata
Sexual Reproduction in Angiosperms
Sporophyte
4. (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
Centromere
Cell Plate
Flagellum
5. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Tubers
Oocytes
Uterus
Menstruation
6. Union of the egg and sperm nuclei to form a zygote with a diploid number of chromosomes
Tetrad
Apical Meristem
Spores
Fertilization
7. Part of embryo that develops from the outer covering of the ovule
Oocytes
Sexual Reproduction in Animals
Seed Coat
Bulbs
8. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Sexual Reproduction in Animals
Luteal Phase
Synapsis
Crossing Over
9. Eggs
Sexual Reproductive Mechanisms
Primary Spermatocytes
Progesterone
Oocytes
10. Mass of cells formed when the zygote divides
Embryo
Second Meiotic Division
epicotyl
Cambium
11. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Stamen
epicotyl
Secondary Oocyte
Polar Body
12. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Primary Spermatocytes
Monozygotic (identical) Twins
Cortical Reaction
First Meiotic Division
13. Passes through the penis and opens to the outside at its tip
Oocyte Cell Membrane
Cervix
Sporophyte Generation
Urethra
14. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Immature ovum
Internal Fertilization
Dizygotic (Fraternal) Twins
Zona Pellucida
15. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Primary Oocytes
Follicle
Spermatids
External Fertilization
16. Surrounded by two layers of cells
Interphase (Meiosis)
Regeneration
Fertilization
Oocyte Cell Membrane
17. 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
Gonads
Cytokinesis (Interphase)
Plant vs. Animal cells
Cervix
18. 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
Luteal Phase
Fertilization
Anaphase I
19. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Ferns
Cambium
Metaphase (Interphase)
Cell Plate
20. Produced in developing placenta if fertilization occurs - maintaining the corpus luteum and - thus - the supply of estrogen and progesterone that maintains the uterus - until the placenta takes over production of these hormones
Meisosis vs. Mitosis
Disjunction
hCG (human Chorionic Gonadotrophin)
Corona Radiata
21. 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
Menses
Spermatozoa
Monozygotic (identical) Twins
22. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Oogenesis
Secondary Oocyte
Embryo
Asexual Reproduction in Plants
23. Produces monoploid spores that develop into pollen grains
Corona Radiata
Menstruation
Anther
Internal Fertilization
24. Have one cotyledon
Monocots
Meristem Cells
Mitosis
Telophase I
25. 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 -
Sporophyte Generation
Asexual Reproduction
Angiosperms
Interphase
26. Sporophyte generation is the dominant - familiar form
oviduct
Ferns
Corona Radiata
epicotyl
27. (In Prophase I) chromatids of homologous chromosomes break at corresponding points and exchange equivalent pieces of DNA -occurs between homologous chromosomes and not between sister chromatids of the same chromosomes (the latter are identical - so c
Crossing Over
Telophase I
Oogenesis
Fertilization/Conjugation
28. Egg
Oocyte Cell Membrane
Secondary Spermatocytes
Ovum
Acrosomal Process
29. 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
Interphase (Meiosis)
Telophase (Interphase)
Prophase I
Testosterone
30. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Spermatogonia
Meristems
Polar Body
Follicle
31. Inner layer of oocyte cell membrane
Budding
Zona Pellucida
Cellular Division (Multicellular Organisms)
Oocytes
32. 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
Gametophyte Generation
External Fertilization
Testes
Uterus
33. 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
hCG (human Chorionic Gonadotrophin)
Spore Formation
Interphase (Meiosis)
Disjunction
34. AKA stolon -woody - underground stems -can develop new upright stems
Gametes
Follicular phase
Rhizomes
Anaphase I
35. 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
Synapsis
Luteal Phase
Mitosis
Follicle
36. AKA ovanan or fallopian tube -opens into the upper end of the uterus
oviduct
Cotyledons
Four Parts of Interphase
Ovulation
37. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
Cortical Reaction
External Fertilization
Hermaphrodites
Male Urethra
38. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Runners
Luteal Phase
Fertilization
Mosses
39. Bulbs - tubers - runners - rhizomes
Zona Pellucida
Primary Oocytes
Telophase I
Natural Vegatative Propagation
40. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Menstrual Cycle
Centromere
Uterus
Endosperm
41. Homologous pairs (tetrads) align at the equatorial plane - and each pair attaches to a separate spindle fiber by its kinetochore
Metaphase I
Flower
Interphase (Meiosis)
Artificial Vegetative Propagation
42. Contains elongated cell with head - tail - neck - and body
Mature sperm
Fertilization
Testes
Internal Fertilization
43. Have two cotyledons that absorb the endosperm
Dicots
Menstruation
Oogenesis
Vaginal Canal
44. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Follicular phase
Ovulation
Sporophyte Generation
Zona Pellucida
45. Muscular chamber which is the site of fetal development
Runners
Cambium
Sexual Reproductive Mechanisms
Uterus
46. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Sporophyte
First Meiotic Division
Interphase (Meiosis)
Cortical Reaction
47. Produced when each meiotic division -rapidly degenerate
Plant vs. Animal cells
Polar Body
Interphase
External Fertilization
48. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Endosperm
Plant vs. Animal cells
Ovum
Sexual Reproduction Requires
49. Regrowth of a lost or injured body part
Angiosperms
Corpus Luteum
Regeneration
Immature ovum
50. 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
Spores
Progesterone
Metaphase (Interphase)
Partenogenesis
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