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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. 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
Sexual Reproduction in Angiosperms
Mosses
Budding
Anther
2. 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
Sporophyte
Spermatids
Sperm Travels...
hCG (human Chorionic Gonadotrophin)
3. Common passageway for both the reproductive and exretory systems
Male Urethra
Gametes
Secondary Spermatocytes
Sexual Reproduction Requires
4. Have two cotyledons that absorb the endosperm
Sporophyte
Dicots
Anaphase I
Primary Oocytes
5. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Vaginal Canal
Corona Radiata
Dicots
Metaphase Plate (Interphase)
6. Differs from asexual reproduction in that there are two parents involved and the end result is a geneticaly unique offspring -fusion of two gametes
Sperm Travels...
Luteal Phase
Zona Pellucida
Sexual Reproductive Mechanisms
7. Inner layer of oocyte cell membrane
Zona Pellucida
Meristem Cells
Crossing Over
Meristems
8. (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
Anaphase I
Angiosperms
Crossing Over
Second Meiotic Division
9. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Secondary Oocyte
Artificial Vegetative Propagation
Vaginal Canal
Interphase (Meiosis)
10. 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
Internal Fertilization
Fission
Mitosis
Primary Spermatocytes
11. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Acrosome
Asexual Reproduction in Plants
Hermaphrodites
Mature sperm
12. Split to form several bulbs
Fertilization membrane
Bulbs
Polar Body
Menstrual Cycle
13. Located on scrotum -site for testosterone
Uterus
Cortical Reaction
Testes
Testosterone
14. 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 -
Ovulation
Fertilization
Asexual Reproduction
Cortical Reaction
15. 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
Meiosis
Spermatids
Crossing Over
Ovulation
16. The process by which gametes are produced -involves two divisions of primary sex cells resulting in four haploid cells called gametes
Meiosis
Corpus Luteum
Runners
External Fertilization
17. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Prophase I
Gametophyte Generation
Flagellum
Monocots
18. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Polar Body
Testes
Primary Oocytes
Dizygotic (Fraternal) Twins
19. Produces monoploid spores that develop into pollen grains
Anther
Oocytes
First Meiotic Division
Cell Division
20. 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
Flagellum
Progesterone
Sexual Reproduction in Angiosperms
Cell Division
21. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Menstrual Cycle
Testes
Corpus Luteum
Secondary Oocyte
22. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Natural Vegatative Propagation
Fertilization
Sporophyte
Menses
23. Method of growth - development - and replacement of worn-out cells
Spores
Cellular Division (Multicellular Organisms)
First Meiotic Division
Head of Sperm
24. Produced when each meiotic division -rapidly degenerate
Hypocotyl
Polar Body
Secondary Spermatocytes
Luteal Phase
25. Regulates secondary male sex characteristics including facial and pubic hair and voice changes
Meristem Cells
Dizygotic (Fraternal) Twins
Bulbs
Testosterone
26. 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
Vegetative Propagation
Sexual Reproduction in Angiosperms
Uterus
Corona Radiata
27. Lower - narrow end of the uterus -connects with the vaginal canal
Cervix
Tetrad
Interphase (Meiosis)
Cambium
28. 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
Second Meiotic Division
epicotyl
Spore Formation
Cell Plate
29. Two haploid cells yielded from meiotic division of primary spermatocytes
Angiosperms
Hermaphrodites
Polar Body
Secondary Spermatocytes
30. Mass of cells formed when the zygote divides
Fertilization/Conjugation
Spore Formation
Corpus Luteum
Embryo
31. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Artificial Vegetative Propagation
Single Mature Egg
Ovaries
Luteal Phase
32. 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
Corona Radiata
Spermatozoa
Asexual Reproduction
Acrosome
33. Flowering plants consisting of a few cells that exist for a very short time
Endosperm
Sexual Reproduction Requires
Budding
Angiosperms
34. Part of embryo that grows and feeds the embryo
Endosperm
Scrotum
Synapsis
Four Parts of Interphase
35. 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
Fission
Male Urethra
Mosses
Secondary Oocyte
36. Ex: estrogens and progesterone -synthesized by ovaries
Second Meiotic Division
Female Sex Hormones
Fertilization
Tetrad
37. Secretes estrogen and progesterone
Interphase
Mitosis
Corpus Luteum
Acrosome
38. 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
Tubers
Sexual Reproduction in Angiosperms
Estrogens
Fertilization membrane
39. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
epicotyl
Synapsis
Spermatids
Meisosis vs. Mitosis
40. Part of embryo that develops from the outer covering of the ovule
Partenogenesis
Acrosome
Seed Coat
Embryo
41. 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
Filament
Partenogenesis
Interphase
epicotyl
42. 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
Prophase (Interphase)
Rhizomes
Testosterone
Endosperm
43. The development of an unfertilized egg into an adult organism
Partenogenesis
Prophase (Interphase)
Secondary Oocyte
Interphase
44. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Prophase I
Cell Division
Acrosome
Internal Fertilization
45. Found in the tips of roots and stems where growth in length occurs
Asexual Reproduction
Oogenesis
Disjunction
Apical Meristem
46. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
Sexual Reproductive Mechanisms
Cortical Reaction
Head of Sperm
Fertilization
47. Have both functional male and female gonads
Hermaphrodites
Single Mature Egg
Angiosperms
Tubers
48. 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
Asexual Reproduction in Plants
Telophase (Interphase)
Monocots
Cytokinesis (Interphase)
49. 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
Progesterone
Sexual Reproduction in Angiosperms
Gametes
Four Parts of Interphase
50. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Cortical Reaction
First Meiotic Division
Male Urethra
Bulbs