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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. 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
Seed Coat
Meisosis vs. Mitosis
Mitosis
Scrotum
2. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Tubers
Metaphase Plate (Interphase)
Corpus Luteum
Spermatids
3. Produced when each meiotic division -rapidly degenerate
Ferns
Hypocotyl
Polar Body
Gonads
4. Nuclear division and followed by cell division
Sexual Reproduction in Angiosperms
First Meiotic Division
Artificial Vegetative Propagation
Karyokinesis
5. 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 -
Asexual Reproduction
Sexual Reproductive Mechanisms
Corpus Luteum
Sperm Travels...
6. Female gonads that produce oocytes
Menstrual Cycle
Ovaries
epicotyl
Natural Vegatative Propagation
7. 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
Sexual Reproductive Mechanisms
Cytokinesis (Interphase)
Cell Division
Ovaries
8. Muscular chamber which is the site of fetal development
Oogenesis
Uterus
Ovulation
Male Urethra
9. The process by which gametes are produced -involves two divisions of primary sex cells resulting in four haploid cells called gametes
Budding
Meiosis
Gametes
Menses
10. Mass of cells formed when the zygote divides
Testes
Partenogenesis
Embryo
Ovaries
11. Consists almost entirely of the nucleus - which contains the paternal genome
Partenogenesis
Menses
Head of Sperm
Female Sex Hormones
12. 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
Monozygotic (identical) Twins
hCG (human Chorionic Gonadotrophin)
Centromere
Telophase I
13. A means of reproduction
Cellular Division (Unicellular Organisms)
Acrosome
Dicots
Meisosis vs. Mitosis
14. Found in the tips of roots and stems where growth in length occurs
Apical Meristem
Cellular Division (Unicellular Organisms)
Artificial Vegetative Propagation
Disjunction
15. 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
Uterus
Vegetative Propagation
Menstruation
Cervix
16. 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
Meristems
Partenogenesis
Telophase (Interphase)
Prophase (Interphase)
17. Contains elongated cell with head - tail - neck - and body
Meristem Cells
Meisosis vs. Mitosis
Stamen
Mature sperm
18. Cell division that follows karyokinesis
Cytokinesis
Prophase (Interphase)
Single Mature Egg
Angiosperms
19. AKA stolon -woody - underground stems -can develop new upright stems
Spermatogenesis
Rhizomes
Embryo
Cell Plate
20. Chromosomes condense - and the centriole pairs (in animals) separate and move towards the opposite poles of the cell. the spindle apparatus forms between them - and the nuclear membrane dissolves - allowing the spindle fibers to interact with the chr
Prophase (Interphase)
Spermatozoa
Polar Body
Sexual Reproduction in Angiosperms
21. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
Runners
Menstrual Cycle
Monocots
Cortical Reaction
22. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Embryo
Hypocotyl
Testes
Ovaries
23. Have two cotyledons that absorb the endosperm
Dicots
Cytokinesis
Ovaries
Dizygotic (Fraternal) Twins
24. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Meristem Cells
Spermatogonia
Corpus Luteum
Primary Oocytes
25. AKA sperm production -occurs in the seminiferous tubules
Spermatogenesis
Ovum
Spermatids
Cellular Division (Multicellular Organisms)
26. 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
Second Meiotic Division
Prophase (Interphase)
Internal Fertilization
Fission
27. Specialized cells with hard coverings that prevent loss of water
Prophase I
Spores
Plant vs. Animal cells
Apical Meristem
28. AKA lateral meristem -located between the xylem and phloem
Menstrual Cycle
Head of Sperm
Cervix
Cambium
29. Part of embryo that develops from the outer covering of the ovule
Seed Coat
Cellular Division (Unicellular Organisms)
Testosterone
Oocyte Cell Membrane
30. Regrowth of a lost or injured body part
Regeneration
Dizygotic (Fraternal) Twins
Fertilization/Conjugation
Cellular Division (Unicellular Organisms)
31. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Stamen
Centromere
Internal Fertilization
Embryo
32. Egg
Flagellum
Cell Division
Ferns
Ovum
33. Menstrual flow
Prophase (Interphase)
Scrotum
Menses
Sexual Reproductive Mechanisms
34. Sperm production -occurs in the seminiferous tubules
Zona Pellucida
Sexual Reproduction Requires
Menses
Spermatogenesis
35. Reproductive structure of angiosperms
Flower
Meristem Cells
Prophase I
oviduct
36. Two haploid cells yielded from meiotic division of primary spermatocytes
Secondary Spermatocytes
Spores
Acrosome
Spermatozoa
37. The male organ of the flower and consists of a thin - stalk-like filament
Artificial Vegetative Propagation
Menses
Asexual Reproduction
Stamen
38. Uncoiled DNA
Chromatin
Testes
Progesterone
Fertilization/Conjugation
39. 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
Urethra
Secondary Spermatocytes
Primary Oocytes
Meisosis vs. Mitosis
40. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Ovaries
Fertilization/Conjugation
Single Mature Egg
Asexual Reproduction
41. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Oocyte Cell Membrane
Embryo
Testes
Meristem Cells
42. 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
Second Meiotic Division
Four Parts of Interphase
Acrosomal Process
Gonads
43. 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
Filament
Cambium
Uterus
44. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Spermatogonia
Sexual Reproduction in Animals
Estrogens
Follicular phase
45. Diploid cells of spermatogonia
Filament
oviduct
Primary Spermatocytes
Regeneration
46. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Meiosis
Cotyledons
First Meiotic Division
Meristems
47. Bulbs - tubers - runners - rhizomes
Artificial Vegetative Propagation
Natural Vegatative Propagation
Cytokinesis (Interphase)
Oogenesis
48. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Sporophyte Generation
Regeneration
Natural Vegatative Propagation
Luteal Phase
49. Centriole pairs are now at opposite poles of the cell
Asexual Reproduction in Plants
Oogenesis
Mitosis
Metaphase (Interphase)
50. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Fertilization
Corona Radiata
Cytokinesis (Interphase)
Runners