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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. 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
Progesterone
Menstruation
Testes
Partenogenesis
2. Regulates secondary male sex characteristics including facial and pubic hair and voice changes
Testosterone
Monocots
Tubers
Second Meiotic Division
3. Found in the tips of roots and stems where growth in length occurs
Menstruation
Filament
Apical Meristem
Acrosome
4. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Secondary Oocyte
Disjunction
Menstrual Cycle
Zona Pellucida
5. Located on scrotum -site for testosterone
Sporophyte
Menstruation
Testes
Regeneration
6. Egg
Synapsis
Ovulation
Ovum
Sexual Reproductive Mechanisms
7. 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
Acrosomal Process
Corona Radiata
Meiosis
Cambium
8. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Sporophyte Generation
Gametophyte Generation
Testosterone
Metaphase Plate (Interphase)
9. Nuclear division and followed by cell division
Prophase (Interphase)
Head of Sperm
Runners
Karyokinesis
10. Begins with the cessation of the menstrual flow from the previous cycle -FSH (Follicle Stimulating Hormone) from the anterior pituitary promotes the development of the follicle - which grows and begins secreting estrogen
Follicular phase
Asexual Reproduction in Plants
Cellular Division (Unicellular Organisms)
Crossing Over
11. Differs from asexual reproduction in that there are two parents involved and the end result is a geneticaly unique offspring -fusion of two gametes
Cytokinesis
Cambium
Prophase I
Sexual Reproductive Mechanisms
12. Gametophyte is the dominant generation -smaller - short lived organism that depends on the gametophyte for energy and nutrients - sporophytes grow on top of the gametophytes and produce spores that develop into gametophytes
Chromatin
Mosses
Ovaries
Progesterone
13. Muscular chamber which is the site of fetal development
Interphase (Meiosis)
Uterus
Secondary Oocyte
Telophase (Interphase)
14. Contains elongated cell with head - tail - neck - and body
Second Meiotic Division
Hypocotyl
Tetrad
Mature sperm
15. 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
Follicle
Ovaries
Telophase (Interphase)
Tetrad
16. Formed due to cortical reaction -hard layer that surrounds the ovum cell membrane and prevents multiple fertilizations -Followed by the fusion of sperm nucleus and form a diploid zygote
Sexual Reproduction Requires
External Fertilization
Follicular phase
Fertilization membrane
17. Common passageway for both the reproductive and exretory systems
Tetrad
Male Urethra
Oogenesis
Interphase (Meiosis)
18. 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
Rhizomes
Mitosis
Corona Radiata
Gametes
19. 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
Secondary Spermatocytes
Budding
External Fertilization
First Meiotic Division
20. Caplike structure - derived from the Golgi apparatus - develops over the anterior half of the head -contains enzymes needed to penetrate the tough outer covering of the ovum
Acrosome
Menstrual Cycle
External Fertilization
Sexual Reproduction in Animals
21. Result when a single zygote splits into two embryos
Corona Radiata
Immature ovum
Monozygotic (identical) Twins
Tetrad
22. Undergoes disjunction
Vaginal Canal
Disjunction
Primary Spermatocytes
Anaphase I
23. Specialized sex cells
Polar Body
Cellular Division (Multicellular Organisms)
Sexual Reproduction in Animals
Gametes
24. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Apical Meristem
Budding
Primary Oocytes
External Fertilization
25. Outer layer of oocyte cell membrane
Dicots
Oocyte Cell Membrane
Corona Radiata
Centromere
26. Method of growth - development - and replacement of worn-out cells
Monozygotic (identical) Twins
Cellular Division (Multicellular Organisms)
Apical Meristem
Female Sex Hormones
27. Female gonads that produce oocytes
Budding
Cellular Division (Unicellular Organisms)
First Meiotic Division
Ovaries
28. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Luteal Phase
Cellular Division (Unicellular Organisms)
Scrotum
hCG (human Chorionic Gonadotrophin)
29. Part of embryo that develops into the lower and root
Oocytes
Hypocotyl
Meristem Cells
Anther
30. 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
Sexual Reproductive Mechanisms
Estrogens
Monocots
Interphase (Meiosis)
31. 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
Cortical Reaction
Fertilization
Head of Sperm
Mature sperm
32. 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 -
Sporophyte
Metaphase (Interphase)
Plant vs. Animal cells
Head of Sperm
33. Centriole pairs are now at opposite poles of the cell
Ovulation
Sexual Reproduction Requires
Corona Radiata
Metaphase (Interphase)
34. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Polar Body
Fertilization
Vaginal Canal
Bulbs
35. A means of reproduction
Seed Coat
Oocytes
Cellular Division (Unicellular Organisms)
Sporophyte Generation
36. Union of gametes
Disjunction
Synapsis
Fertilization/Conjugation
Stamen
37. Specialized organs where gametes are produced
Gonads
Fertilization/Conjugation
Estrogens
Internal Fertilization
38. Sperm production -occurs in the seminiferous tubules
Urethra
Fertilization membrane
Spermatogenesis
Spore Formation
39. Split to form several bulbs
Cytokinesis (Interphase)
Spermatogonia
Bulbs
Monozygotic (identical) Twins
40. Part of embryo that develops from the outer covering of the ovule
Sexual Reproduction in Angiosperms
Seed Coat
Zona Pellucida
Flagellum
41. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Synapsis
Meristems
Cotyledons
Fertilization
42. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Cellular Division (Multicellular Organisms)
Progesterone
Meristems
Spermatids
43. Thin and stalk like with a terminal sac called the anther
Menstrual Cycle
First Meiotic Division
Asexual Reproduction in Plants
Filament
44. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Cell Plate
Sporophyte
Flower
Dizygotic (Fraternal) Twins
45. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Tubers
Cell Division
Acrosomal Process
Oocytes
46. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Spermatozoa
Internal Fertilization
Dicots
Centromere
47. The production of female gametes - occurs in the ovaries
Spermatids
Oogenesis
Telophase (Interphase)
Male Urethra
48. 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
Natural Vegatative Propagation
Stamen
Female Sex Hormones
Prophase (Interphase)
49. Ex: estrogens and progesterone -synthesized by ovaries
Endosperm
Ferns
Female Sex Hormones
Asexual Reproduction in Plants
50. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Metaphase (Interphase)
Interphase (Meiosis)
Runners
Spermatogonia