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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. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Interphase (Meiosis)
Metaphase (Interphase)
Menstruation
Flagellum
2. Split to form several bulbs
Gametophyte Generation
Spermatozoa
Single Mature Egg
Bulbs
3. Specialized cells with hard coverings that prevent loss of water
Spermatids
Ovaries
Metaphase (Interphase)
Spores
4. Part of embryo that grows and feeds the embryo
Monocots
Filament
oviduct
Endosperm
5. Reproductive structure of angiosperms
Oocytes
Mature Ovum
Flower
Cotyledons
6. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Spermatogonia
Dizygotic (Fraternal) Twins
Flagellum
Rhizomes
7. 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
Follicle
Meisosis vs. Mitosis
Mitosis
External Fertilization
8. (In Prophase I) each chromosome consists of two sister chromatids - each synaptic pair of homologous chromosomes containing four chromatids
Sporophyte
Follicular phase
epicotyl
Tetrad
9. AKA ovanan or fallopian tube -opens into the upper end of the uterus
Meisosis vs. Mitosis
oviduct
Asexual Reproduction in Plants
Spermatids
10. 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
Cellular Division (Unicellular Organisms)
Flower
Acrosomal Process
hCG (human Chorionic Gonadotrophin)
11. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Luteal Phase
Spermatogonia
Immature ovum
Sexual Reproduction Requires
12. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Cellular Division (Multicellular Organisms)
Testes
Cell Plate
Centromere
13. Secretes estrogen and progesterone
Corona Radiata
Spermatogenesis
Corpus Luteum
oviduct
14. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Spermatids
Head of Sperm
Corpus Luteum
Spermatogenesis
15. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
Follicle
Oocyte Cell Membrane
Spermatozoa
Asexual Reproduction
16. 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
Ovulation
Tubers
Apical Meristem
Karyokinesis
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
Metaphase (Interphase)
Sexual Reproductive Mechanisms
Fertilization
18. Muscular chamber which is the site of fetal development
Fertilization/Conjugation
Cortical Reaction
Regeneration
Uterus
19. 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
Telophase (Interphase)
Four Parts of Interphase
Progesterone
Vegetative Propagation
20. 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
Cotyledons
Ovaries
Head of Sperm
Budding
21. Part of embryo that develops into the lower and root
Prophase I
Cellular Division (Unicellular Organisms)
Hypocotyl
Ovaries
22. AKA sperm production -occurs in the seminiferous tubules
Meristem Cells
Gonads
Ovulation
Spermatogenesis
23. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Flower
Secondary Spermatocytes
Menstrual Cycle
Sporophyte
24. 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
Angiosperms
Artificial Vegetative Propagation
Male Urethra
Oocytes
25. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Cell Plate
Ovulation
Female Sex Hormones
Interphase
26. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Metaphase Plate (Interphase)
Ovaries
Meristem Cells
Testosterone
27. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Metaphase I
Synapsis
Ovulation
Ovaries
28. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Prophase (Interphase)
Head of Sperm
Sporophyte Generation
Sexual Reproduction in Angiosperms
29. (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
Head of Sperm
Internal Fertilization
Endosperm
Disjunction
30. Plant cells lack centrioles -spindle apparatus is synthesized by mcrotubule organizing centers that are not visible -cytokinesis in animal cells proceeds through production of a cleavage furrow -Plant cells are rigid and can't form cleavage furrows -
Plant vs. Animal cells
Spermatogenesis
Progesterone
Synapsis
31. Nuclear division and followed by cell division
Primary Spermatocytes
Sexual Reproduction in Angiosperms
Karyokinesis
Ferns
32. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
Telophase I
Spores
Anaphase (Interphase)
Ovulation
33. Egg
Internal Fertilization
Dizygotic (Fraternal) Twins
Ovum
Hypocotyl
34. Cell division that follows karyokinesis
Cell Plate
Metaphase Plate (Interphase)
Dizygotic (Fraternal) Twins
Cytokinesis
35. 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
Crossing Over
Cell Division
Gonads
Acrosomal Process
36. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Fertilization/Conjugation
Oocytes
oviduct
Synapsis
37. The process by which gametes are produced -involves two divisions of primary sex cells resulting in four haploid cells called gametes
Meiosis
Estrogens
Apical Meristem
epicotyl
38. 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
Mitosis
Meisosis vs. Mitosis
Anaphase (Interphase)
Runners
39. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Synapsis
External Fertilization
Testes
Secondary Spermatocytes
40. Consists almost entirely of the nucleus - which contains the paternal genome
Cytokinesis (Interphase)
Zona Pellucida
Head of Sperm
Spermatogenesis
41. Regrowth of a lost or injured body part
Stamen
Regeneration
Spermatids
Meisosis vs. Mitosis
42. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Secondary Oocyte
Spermatogenesis
Gametes
Ferns
43. Practiced by terrestrial vertebrates and provides a direct route for sperm to reach the egg cell -increased chance for fertilization success and females produce fewer eggs
Fertilization/Conjugation
Prophase I
Spermatogonia
Internal Fertilization
44. Specialized organs where gametes are produced
Four Parts of Interphase
Spermatogenesis
Sexual Reproduction in Animals
Gonads
45. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Karyokinesis
Luteal Phase
Regeneration
Meiosis
46. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Primary Oocytes
Embryo
epicotyl
Sporophyte Generation
47. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Vaginal Canal
First Meiotic Division
Menses
Sporophyte Generation
48. Mass of cells formed when the zygote divides
Internal Fertilization
Plant vs. Animal cells
Regeneration
Embryo
49. Thin and stalk like with a terminal sac called the anther
Tetrad
Flower
Filament
Seed Coat
50. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Sexual Reproduction Requires
Spermatogenesis
Fission
Scrotum