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. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Testes
Sexual Reproduction in Angiosperms
Sporophyte
Follicle
2. Bulbs - tubers - runners - rhizomes
Seed Coat
Secondary Oocyte
Natural Vegatative Propagation
Mature sperm
3. Mass of cells formed when the zygote divides
Embryo
Dizygotic (Fraternal) Twins
Follicle
Apical Meristem
4. 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
Follicle
Fertilization
Sexual Reproduction Requires
Gonads
5. Part of embryo that grows and feeds the embryo
Mosses
Zona Pellucida
Endosperm
Natural Vegatative Propagation
6. Split to form several bulbs
Oocytes
Plant vs. Animal cells
Bulbs
Karyokinesis
7. 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
Primary Oocytes
Mature Ovum
Budding
Spore Formation
8. 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
Corona Radiata
Second Meiotic Division
Primary Oocytes
Dizygotic (Fraternal) Twins
9. Sporophyte generation is the dominant - familiar form
Angiosperms
Plant vs. Animal cells
Ferns
Meisosis vs. Mitosis
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
Metaphase I
Mature sperm
Fission
Estrogens
11. Regrowth of a lost or injured body part
Regeneration
Cortical Reaction
Ferns
Follicle
12. Located on scrotum -site for testosterone
Stamen
Mitosis
Testes
Tubers
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
Testes
Apical Meristem
Centromere
Sexual Reproductive Mechanisms
14. Union of the egg and sperm nuclei to form a zygote with a diploid number of chromosomes
Fertilization
Mature sperm
Flagellum
Gonads
15. Outer layer of oocyte cell membrane
Mitosis
Corona Radiata
Prophase (Interphase)
Polar Body
16. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Metaphase (Interphase)
Fertilization membrane
Sexual Reproduction Requires
Luteal Phase
17. 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
External Fertilization
Progesterone
Ferns
Monozygotic (identical) Twins
18. Part of embryo that develops into the lower and root
Urethra
Acrosomal Process
Single Mature Egg
Hypocotyl
19. Part of embryo that is the precursor of the upper stem and leaves
Estrogens
Primary Spermatocytes
epicotyl
Ovulation
20. 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
External Fertilization
Tetrad
Bulbs
Embryo
21. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Corpus Luteum
Primary Spermatocytes
Mature Ovum
Cambium
22. Have both functional male and female gonads
Corona Radiata
Hermaphrodites
Meristems
Mature sperm
23. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Internal Fertilization
Cotyledons
Metaphase Plate (Interphase)
Head of Sperm
24. Undergoes disjunction
Anaphase I
Mature sperm
Fertilization
Second Meiotic Division
25. Sperm production -occurs in the seminiferous tubules
Interphase
Four Parts of Interphase
Spermatogenesis
Synapsis
26. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Cell Division
Asexual Reproduction
Spermatids
Centromere
27. 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
epicotyl
Artificial Vegetative Propagation
Anaphase (Interphase)
Menstrual Cycle
28. 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
Four Parts of Interphase
Synapsis
Gonads
Sexual Reproductive Mechanisms
29. The development of an unfertilized egg into an adult organism
Vegetative Propagation
Partenogenesis
Cytokinesis
Head of Sperm
30. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Runners
Ovulation
Tubers
Primary Oocytes
31. Have one cotyledon
Ovulation
Monocots
Crossing Over
Testes
32. 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
Ovaries
Corona Radiata
Fission
Acrosome
33. 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
Fertilization
Head of Sperm
Zona Pellucida
Spermatozoa
34. AKA sperm production -occurs in the seminiferous tubules
epicotyl
Apical Meristem
Zona Pellucida
Spermatogenesis
35. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Fission
Ovulation
Interphase
Interphase (Meiosis)
36. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Follicle
Spermatogonia
Testes
Sperm Travels...
37. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Regeneration
Karyokinesis
Sperm Travels...
Zona Pellucida
38. 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
Male Urethra
Seed Coat
Progesterone
Cytokinesis (Interphase)
39. Plants exhibit alternation of generation in which a diploid generation is succeeded by a haploid generation -diploid saprophyte generation produces haploid spores - which develop into the haploid saprophyte generation
Anaphase (Interphase)
Apical Meristem
Asexual Reproduction
Spore Formation
40. 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
Internal Fertilization
Telophase (Interphase)
Artificial Vegetative Propagation
Cotyledons
41. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Telophase I
Immature ovum
Meristem Cells
Second Meiotic Division
42. 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
Polar Body
Corona Radiata
Cortical Reaction
43. 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
hCG (human Chorionic Gonadotrophin)
Spermatids
Interphase (Meiosis)
Follicular phase
44. Specialized organs where gametes are produced
Cell Division
Gonads
Single Mature Egg
Spores
45. 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 -
Prophase I
Asexual Reproduction
Chromatin
Monozygotic (identical) Twins
46. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
hCG (human Chorionic Gonadotrophin)
Meristem Cells
Sexual Reproduction in Angiosperms
Karyokinesis
47. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Fertilization
Spermatogenesis
Single Mature Egg
Cytokinesis
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
Polar Body
Telophase (Interphase)
Metaphase I
Monocots
49. 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 -
Metaphase (Interphase)
Synapsis
Filament
Plant vs. Animal cells
50. Lower - narrow end of the uterus -connects with the vaginal canal
Fertilization
Testosterone
hCG (human Chorionic Gonadotrophin)
Cervix