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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. AKA lateral meristem -located between the xylem and phloem
Cambium
Interphase (Meiosis)
Testes
Spermatogonia
2. Lower - narrow end of the uterus -connects with the vaginal canal
Cervix
Female Sex Hormones
Ovulation
Telophase (Interphase)
3. Specialized organs where gametes are produced
Gonads
Sporophyte
Head of Sperm
Second Meiotic Division
4. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Interphase (Meiosis)
Second Meiotic Division
Cotyledons
Rhizomes
5. A means of reproduction
Natural Vegatative Propagation
Oocyte Cell Membrane
Gonads
Cellular Division (Unicellular Organisms)
6. (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
Primary Oocytes
Crossing Over
Cell Division
Meisosis vs. Mitosis
7. 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
Endosperm
Metaphase I
Flagellum
External Fertilization
8. 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 -
Metaphase Plate (Interphase)
Head of Sperm
Menstruation
Plant vs. Animal cells
9. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
oviduct
Luteal Phase
Secondary Spermatocytes
Cambium
10. Mass of cells formed when the zygote divides
Embryo
Cytokinesis (Interphase)
Fertilization membrane
Mosses
11. 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
External Fertilization
Corona Radiata
Dizygotic (Fraternal) Twins
12. Found in the tips of roots and stems where growth in length occurs
Ferns
Budding
Apical Meristem
Monocots
13. Secretes estrogen and progesterone
Metaphase (Interphase)
Metaphase I
Corpus Luteum
Ferns
14. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Luteal Phase
epicotyl
Prophase (Interphase)
Flagellum
15. Part of embryo that develops into the lower and root
Scrotum
Apical Meristem
Hypocotyl
Cellular Division (Unicellular Organisms)
16. Undergoes disjunction
Prophase (Interphase)
Polar Body
Partenogenesis
Anaphase I
17. 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
Regeneration
hCG (human Chorionic Gonadotrophin)
Mitosis
Metaphase I
18. Union of gametes
Menstruation
Fertilization/Conjugation
Chromatin
Plant vs. Animal cells
19. Produces monoploid spores that develop into pollen grains
Cytokinesis
Anther
Male Urethra
Stamen
20. Flowering plants consisting of a few cells that exist for a very short time
Angiosperms
Gonads
Vegetative Propagation
Spermatogenesis
21. The production of female gametes -occurs in the ovarian follicles
Hypocotyl
Artificial Vegetative Propagation
Sexual Reproductive Mechanisms
Oogenesis
22. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Sperm Travels...
Flower
Asexual Reproduction
Artificial Vegetative Propagation
23. 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
Corona Radiata
Ovaries
Menstruation
Interphase
24. Contains elongated cell with head - tail - neck - and body
Sporophyte Generation
Internal Fertilization
Sporophyte
Mature sperm
25. 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
Ovum
Cytokinesis (Interphase)
Natural Vegatative Propagation
Corpus Luteum
26. Thin and stalk like with a terminal sac called the anther
Disjunction
Filament
Sporophyte
Ovaries
27. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Embryo
Sexual Reproduction in Angiosperms
Immature ovum
Single Mature Egg
28. (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
Seed Coat
Disjunction
Menstruation
Spore Formation
29. Have both functional male and female gonads
Hermaphrodites
Uterus
Filament
Gonads
30. Method of growth - development - and replacement of worn-out cells
Mature sperm
Cell Plate
Cellular Division (Multicellular Organisms)
Oogenesis
31. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Tetrad
Tubers
Cervix
Immature ovum
32. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Ferns
Oocytes
Acrosome
Metaphase Plate (Interphase)
33. Bulbs - tubers - runners - rhizomes
Flagellum
External Fertilization
Natural Vegatative Propagation
Mosses
34. Regrowth of a lost or injured body part
Fission
Seed Coat
Regeneration
Interphase
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
Angiosperms
Monocots
Cervix
Acrosomal Process
36. Female gonads that produce oocytes
Sexual Reproduction in Angiosperms
Ovaries
Mature Ovum
Menstruation
37. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Spermatozoa
Dizygotic (Fraternal) Twins
Prophase I
Meiosis
38. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Single Mature Egg
Vaginal Canal
Meristem Cells
Prophase (Interphase)
39. (In Prophase I) each chromosome consists of two sister chromatids - each synaptic pair of homologous chromosomes containing four chromatids
Angiosperms
Testes
Tetrad
Bulbs
40. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Cotyledons
Progesterone
Runners
Estrogens
41. The development of an unfertilized egg into an adult organism
Karyokinesis
Cell Division
Cambium
Partenogenesis
42. 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
Metaphase (Interphase)
Flower
Follicular phase
Telophase (Interphase)
43. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Cellular Division (Unicellular Organisms)
Prophase (Interphase)
Testes
Partenogenesis
44. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Flower
Gametophyte Generation
Fertilization
First Meiotic Division
45. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Disjunction
Sexual Reproduction in Animals
Mitosis
Dicots
46. 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
External Fertilization
Meiosis
Vegetative Propagation
47. 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
Meisosis vs. Mitosis
Progesterone
Filament
Hypocotyl
48. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Mitosis
Vegetative Propagation
Cambium
Single Mature Egg
49. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Dicots
Spermatogonia
oviduct
Spermatids
50. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Sporophyte Generation
Ovulation
Tubers
First Meiotic Division