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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. Regrowth of a lost or injured body part
Asexual Reproduction in Plants
Cellular Division (Multicellular Organisms)
Regeneration
Spermatids
2. Differs from asexual reproduction in that there are two parents involved and the end result is a geneticaly unique offspring -fusion of two gametes
Corona Radiata
Sexual Reproductive Mechanisms
Zona Pellucida
Scrotum
3. 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
Rhizomes
Oogenesis
Estrogens
Cytokinesis
4. 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
Uterus
Corpus Luteum
Fertilization membrane
Acrosome
5. A means of reproduction
Oocyte Cell Membrane
Menstrual Cycle
Cortical Reaction
Cellular Division (Unicellular Organisms)
6. Sperm production -occurs in the seminiferous tubules
Oocyte Cell Membrane
Spermatogenesis
Spermatids
Monocots
7. Female gonads that produce oocytes
Ovaries
Fertilization/Conjugation
Ovum
Flower
8. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Menstrual Cycle
Menses
Meristem Cells
Mature Ovum
9. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Regeneration
Budding
Dizygotic (Fraternal) Twins
Metaphase Plate (Interphase)
10. 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
Internal Fertilization
Gametophyte Generation
Meristem Cells
Fission
11. 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
Male Urethra
Menstrual Cycle
Cambium
Sporophyte
12. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Sexual Reproduction in Animals
Four Parts of Interphase
Stamen
epicotyl
13. Undifferentiated tissues in plants
Synapsis
Secondary Spermatocytes
Meristems
Gametophyte Generation
14. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Spores
Spermatogonia
Meristem Cells
Fission
15. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Scrotum
Follicular phase
Runners
Cell Division
16. 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
Apical Meristem
Menstruation
Scrotum
Budding
17. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Endosperm
Single Mature Egg
Runners
Meristems
18. Found in the tips of roots and stems where growth in length occurs
Hermaphrodites
Apical Meristem
Meiosis
Tubers
19. Have one cotyledon
Head of Sperm
Monocots
Corona Radiata
Internal Fertilization
20. Method of growth - development - and replacement of worn-out cells
Ovaries
Apical Meristem
Testosterone
Cellular Division (Multicellular Organisms)
21. Uncoiled DNA
Chromatin
oviduct
epicotyl
Karyokinesis
22. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
Cortical Reaction
Sexual Reproduction in Angiosperms
Primary Oocytes
Meristems
23. Nuclear division and followed by cell division
Karyokinesis
Ovaries
Artificial Vegetative Propagation
Estrogens
24. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Sporophyte Generation
oviduct
hCG (human Chorionic Gonadotrophin)
External Fertilization
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
Cytokinesis (Interphase)
Progesterone
Interphase
Meristems
26. Produced after meioisis from spermatids that undergo a series of changes -AKA mature sperm -specialized for transporting the sperm nucleus to the ovum -elongated cell with a head - neck - body - and tail
Progesterone
Spermatozoa
Budding
Secondary Spermatocytes
27. Split to form several bulbs
Fertilization/Conjugation
Bulbs
Prophase I
Oocyte Cell Membrane
28. Cell division that follows karyokinesis
Cytokinesis
Primary Spermatocytes
Uterus
Ovum
29. Flowering plants consisting of a few cells that exist for a very short time
Primary Spermatocytes
Cytokinesis (Interphase)
Angiosperms
Testes
30. Part of embryo that is the precursor of the upper stem and leaves
Asexual Reproduction in Plants
Budding
epicotyl
Primary Spermatocytes
31. The production of female gametes - occurs in the ovaries
Interphase (Meiosis)
Oogenesis
Sporophyte Generation
Rhizomes
32. Diploid cells of spermatogonia
Tetrad
Telophase I
Primary Spermatocytes
Female Sex Hormones
33. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Spermatids
Crossing Over
Spermatogonia
Corpus Luteum
34. Reproductive structure of angiosperms
Estrogens
Follicular phase
Flower
Sexual Reproduction Requires
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
Testes
Telophase I
Budding
Angiosperms
36. The production of female gametes -occurs in the ovarian follicles
Fertilization
Ferns
Interphase (Meiosis)
Oogenesis
37. AKA sperm production -occurs in the seminiferous tubules
Oogenesis
Corona Radiata
Spermatogenesis
Sporophyte
38. Sporophyte generation is the dominant - familiar form
Metaphase (Interphase)
Ferns
Oogenesis
Interphase (Meiosis)
39. AKA lateral meristem -located between the xylem and phloem
Artificial Vegetative Propagation
Second Meiotic Division
Dicots
Cambium
40. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Gametes
Primary Spermatocytes
epicotyl
Dizygotic (Fraternal) Twins
41. Bulbs - tubers - runners - rhizomes
Natural Vegatative Propagation
Tetrad
Ovulation
Spermatozoa
42. Two haploid cells yielded from meiotic division of primary spermatocytes
Single Mature Egg
Four Parts of Interphase
Scrotum
Secondary Spermatocytes
43. Have both functional male and female gonads
Bulbs
Tetrad
Hermaphrodites
Disjunction
44. 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
Luteal Phase
Follicular phase
Progesterone
Vaginal Canal
45. 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
Luteal Phase
Interphase (Meiosis)
Cellular Division (Unicellular Organisms)
46. The development of an unfertilized egg into an adult organism
Internal Fertilization
Partenogenesis
Female Sex Hormones
Sexual Reproductive Mechanisms
47. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Ovulation
Oogenesis
Testes
Gametophyte Generation
48. Consists almost entirely of the nucleus - which contains the paternal genome
Second Meiotic Division
Endosperm
Scrotum
Head of Sperm
49. Ex: estrogens and progesterone -synthesized by ovaries
Hypocotyl
Female Sex Hormones
Gametes
Endosperm
50. 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
Anther
Meisosis vs. Mitosis
Natural Vegatative Propagation