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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 sperm production -occurs in the seminiferous tubules
Spermatogenesis
Prophase I
Secondary Spermatocytes
Tubers
2. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Scrotum
Mosses
Angiosperms
Chromatin
3. 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
Apical Meristem
Sexual Reproduction in Angiosperms
Mitosis
Cytokinesis (Interphase)
4. 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 -
Sexual Reproduction Requires
Telophase (Interphase)
Plant vs. Animal cells
Monozygotic (identical) Twins
5. Surrounded by two layers of cells
Oocyte Cell Membrane
Cytokinesis
Anaphase I
Female Sex Hormones
6. 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
Metaphase (Interphase)
Artificial Vegetative Propagation
Karyokinesis
Testosterone
7. Produces monoploid spores that develop into pollen grains
Second Meiotic Division
Anther
Luteal Phase
Bulbs
8. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Mature Ovum
Sporophyte Generation
Hypocotyl
Spermatids
9. Centriole pairs are now at opposite poles of the cell
Cellular Division (Unicellular Organisms)
Metaphase (Interphase)
Four Parts of Interphase
Sexual Reproduction Requires
10. 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
Ovum
Estrogens
Luteal Phase
Urethra
11. 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
Spermatogenesis
Sporophyte
Acrosomal Process
Secondary Spermatocytes
12. Differs from asexual reproduction in that there are two parents involved and the end result is a geneticaly unique offspring -fusion of two gametes
Anaphase (Interphase)
Mosses
Ferns
Sexual Reproductive Mechanisms
13. Diploid cells of spermatogonia
Endosperm
Synapsis
Anaphase I
Primary Spermatocytes
14. Consists almost entirely of the nucleus - which contains the paternal genome
Spermatozoa
Cotyledons
Immature ovum
Head of Sperm
15. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Cell Plate
Asexual Reproduction
Cervix
Spermatogenesis
16. Secretes estrogen and progesterone
oviduct
Mature Ovum
Corpus Luteum
Ovulation
17. Specialized cells with hard coverings that prevent loss of water
Runners
Spores
Head of Sperm
Polar Body
18. Have two cotyledons that absorb the endosperm
Runners
Embryo
Asexual Reproduction in Plants
Dicots
19. Found in the tips of roots and stems where growth in length occurs
Sexual Reproduction in Animals
Apical Meristem
Seed Coat
Oogenesis
20. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Menses
Synapsis
Anaphase I
Cytokinesis
21. Hormonal secretions of the ovaries - the hypothalamus - and the anterior pituitary play important roles in the female reproductive cycle -divided into the follicular phase - ovulation - the luteal phase - and menstruation
Menstrual Cycle
Interphase
Fertilization
Metaphase Plate (Interphase)
22. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Oogenesis
Cell Division
Testosterone
Spores
23. Muscular chamber which is the site of fetal development
Spermatogonia
Uterus
Fertilization membrane
Anther
24. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Oogenesis
Sexual Reproductive Mechanisms
Gametophyte Generation
Second Meiotic Division
25. Result when a single zygote splits into two embryos
Monozygotic (identical) Twins
Tetrad
Rhizomes
Corona Radiata
26. Bulbs - tubers - runners - rhizomes
Endosperm
Oocyte Cell Membrane
Natural Vegatative Propagation
Monozygotic (identical) Twins
27. 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
hCG (human Chorionic Gonadotrophin)
Flagellum
Cellular Division (Multicellular Organisms)
Meristems
28. Egg
Fission
Ovum
Meiosis
Male Urethra
29. 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
Zona Pellucida
Crossing Over
Monocots
30. 1) G1: Initiates interphase. is described as the active growth phase and can vary in length. the cell increases in size and synthesizes proteins. the length of the G1 phase determines the length of the entire cell cycle 2) S: the period of DNA synthe
Chromatin
Four Parts of Interphase
Prophase I
Primary Spermatocytes
31. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Follicle
Mosses
Zona Pellucida
Single Mature Egg
32. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Mature Ovum
Vaginal Canal
Seed Coat
Flagellum
33. Female gonads that produce oocytes
Sexual Reproductive Mechanisms
Follicular phase
Ovaries
Fertilization
34. 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
Scrotum
Synapsis
Fertilization membrane
Cotyledons
35. 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
Gonads
Budding
Primary Oocytes
Four Parts of Interphase
36. Nuclear division and followed by cell division
Spermatogenesis
Ferns
Karyokinesis
Zona Pellucida
37. Thin and stalk like with a terminal sac called the anther
Cell Plate
Interphase
Progesterone
Filament
38. 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
Head of Sperm
Acrosome
Metaphase I
Cortical Reaction
39. The production of female gametes - occurs in the ovaries
Natural Vegatative Propagation
Oogenesis
Spore Formation
Sexual Reproductive Mechanisms
40. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Plant vs. Animal cells
Cellular Division (Unicellular Organisms)
Artificial Vegetative Propagation
Testes
41. 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
Apical Meristem
Cellular Division (Unicellular Organisms)
Scrotum
Anaphase (Interphase)
42. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Follicle
Metaphase Plate (Interphase)
Meristem Cells
Primary Spermatocytes
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
Sexual Reproduction in Angiosperms
Partenogenesis
Internal Fertilization
Embryo
44. Reproductive structure of angiosperms
Cell Division
Ovaries
Dicots
Flower
45. Cell undergoes a period of growth and replication of genetic material before the initiation of mitosis -cell spends at least 90% of life in interphase -each chromosome is replicated so that during division - a complete copy of the genome can be distr
Acrosomal Process
Fertilization
Interphase
Follicular phase
46. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Oocytes
Sexual Reproduction Requires
Disjunction
Cytokinesis (Interphase)
47. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Oocytes
Prophase I
Disjunction
Angiosperms
48. Inner layer of oocyte cell membrane
Sexual Reproduction in Animals
Zona Pellucida
Mitosis
Telophase I
49. Located on scrotum -site for testosterone
Testes
Cytokinesis
Cotyledons
Fertilization/Conjugation
50. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Prophase (Interphase)
Dizygotic (Fraternal) Twins
Metaphase (Interphase)
Secondary Oocyte