SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Secretes estrogen and progesterone
Corpus Luteum
Male Urethra
Ovaries
Monozygotic (identical) Twins
2. Uncoiled DNA
Chromatin
oviduct
Vegetative Propagation
Ovum
3. Eggs
Mature Ovum
Metaphase Plate (Interphase)
Prophase I
Oocytes
4. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Tetrad
Sexual Reproduction in Animals
Testosterone
Cotyledons
5. AKA lateral meristem -located between the xylem and phloem
Oocytes
oviduct
Acrosomal Process
Cambium
6. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Vegetative Propagation
Asexual Reproduction in Plants
Bulbs
Cortical Reaction
7. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Synapsis
Chromatin
Luteal Phase
Filament
8. Reproductive structure of angiosperms
Meristem Cells
Spermatogenesis
Flower
Crossing Over
9. Menstrual flow
Menses
Synapsis
Cortical Reaction
Acrosomal Process
10. Regulates secondary male sex characteristics including facial and pubic hair and voice changes
Fertilization membrane
Single Mature Egg
Oogenesis
Testosterone
11. Undifferentiated tissues in plants
Prophase (Interphase)
Spermatozoa
Karyokinesis
Meristems
12. The process by which gametes are produced -involves two divisions of primary sex cells resulting in four haploid cells called gametes
Meiosis
Male Urethra
Spermatogenesis
Anaphase (Interphase)
13. Differs from asexual reproduction in that there are two parents involved and the end result is a geneticaly unique offspring -fusion of two gametes
Sexual Reproduction in Angiosperms
Crossing Over
Sexual Reproductive Mechanisms
Vegetative Propagation
14. 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
Spermatids
Plant vs. Animal cells
Acrosomal Process
Vaginal Canal
15. Centriole pairs are now at opposite poles of the cell
Four Parts of Interphase
Menstruation
Metaphase (Interphase)
Mature sperm
16. Surrounded by two layers of cells
Interphase
Sexual Reproduction in Animals
Oocyte Cell Membrane
Progesterone
17. 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
Cervix
Testes
Acrosome
Uterus
18. Ex: estrogens and progesterone -synthesized by ovaries
Rhizomes
Cellular Division (Unicellular Organisms)
Female Sex Hormones
Cytokinesis (Interphase)
19. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Prophase (Interphase)
Hermaphrodites
Cell Plate
Mitosis
20. Specialized sex cells
Asexual Reproduction in Plants
Metaphase (Interphase)
Gametes
oviduct
21. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Testes
Progesterone
Sexual Reproduction Requires
Oocytes
22. 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
Cell Plate
Second Meiotic Division
Asexual Reproduction
Cell Division
23. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Dizygotic (Fraternal) Twins
Cell Division
Synapsis
Vegetative Propagation
24. Produces two intermediate daughter cells with N chromosomes with sister chromatids
First Meiotic Division
Oocyte Cell Membrane
Cell Plate
Second Meiotic Division
25. Two haploid cells yielded from meiotic division of primary spermatocytes
First Meiotic Division
Cellular Division (Unicellular Organisms)
Meristems
Secondary Spermatocytes
26. 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 -
Follicular phase
Flagellum
Dicots
Plant vs. Animal cells
27. Sperm production -occurs in the seminiferous tubules
Corona Radiata
Flagellum
Synapsis
Spermatogenesis
28. 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
Cotyledons
Endosperm
Acrosome
Fission
29. Result when a single zygote splits into two embryos
Synapsis
Monozygotic (identical) Twins
Second Meiotic Division
Anaphase (Interphase)
30. Part of embryo that grows and feeds the embryo
Endosperm
Angiosperms
Natural Vegatative Propagation
Prophase (Interphase)
31. (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
Estrogens
Crossing Over
Meisosis vs. Mitosis
Mitosis
32. The production of female gametes -occurs in the ovarian follicles
Endosperm
Hypocotyl
Oocytes
Oogenesis
33. The development of an unfertilized egg into an adult organism
Partenogenesis
Corpus Luteum
Apical Meristem
Menses
34. Inner layer of oocyte cell membrane
Zona Pellucida
Cervix
Cytokinesis (Interphase)
Spermatozoa
35. 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
Testes
Prophase (Interphase)
Spores
Menstrual Cycle
36. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Cambium
Single Mature Egg
Spermatids
Rhizomes
37. 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
Estrogens
Fertilization membrane
Oogenesis
Meiosis
38. Mass of cells formed when the zygote divides
Female Sex Hormones
Embryo
Four Parts of Interphase
Oogenesis
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
Acrosome
Meisosis vs. Mitosis
Sexual Reproductive Mechanisms
Oocytes
40. Muscular chamber which is the site of fetal development
Metaphase (Interphase)
Ovulation
Uterus
Luteal Phase
41. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Secondary Oocyte
Spore Formation
Runners
Fertilization
42. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Metaphase Plate (Interphase)
Sexual Reproduction in Angiosperms
Vegetative Propagation
Primary Oocytes
43. Union of gametes
Progesterone
Dizygotic (Fraternal) Twins
Fertilization/Conjugation
Stamen
44. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Gonads
Cellular Division (Unicellular Organisms)
Sporophyte
Female Sex Hormones
45. Consists almost entirely of the nucleus - which contains the paternal genome
Monocots
Head of Sperm
Spore Formation
Telophase I
46. Part of embryo that develops from the outer covering of the ovule
Endosperm
Fertilization membrane
Centromere
Seed Coat
47. 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
Meisosis vs. Mitosis
Metaphase (Interphase)
epicotyl
48. Egg
Ovum
Sexual Reproduction in Animals
Cytokinesis
Metaphase I
49. 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
Corpus Luteum
hCG (human Chorionic Gonadotrophin)
Scrotum
Zona Pellucida
50. 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
Centromere
Menstruation
Ferns
Meiosis