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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. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Centromere
Flagellum
Spore Formation
Interphase
2. Passes through the penis and opens to the outside at its tip
Progesterone
Urethra
Prophase I
Acrosome
3. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Fission
Gametophyte Generation
Interphase (Meiosis)
Prophase I
4. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Fission
Cytokinesis
Sporophyte
Tetrad
5. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Sexual Reproduction in Angiosperms
Cambium
Ovaries
First Meiotic Division
6. 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
Oocytes
Cortical Reaction
Rhizomes
Anaphase (Interphase)
7. Lower - narrow end of the uterus -connects with the vaginal canal
Meisosis vs. Mitosis
Spermatogonia
Cervix
Mature sperm
8. 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
Artificial Vegetative Propagation
Crossing Over
Fertilization
Four Parts of Interphase
9. 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
Anaphase (Interphase)
Mosses
Oogenesis
Ovaries
10. Thin and stalk like with a terminal sac called the anther
Cotyledons
Flagellum
Filament
Spermatids
11. 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
Cervix
Metaphase I
Progesterone
Fertilization membrane
12. Ex: estrogens and progesterone -synthesized by ovaries
Stamen
Female Sex Hormones
Interphase
Single Mature Egg
13. Have two cotyledons that absorb the endosperm
Tubers
Dicots
Budding
Disjunction
14. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Cell Division
Vaginal Canal
Acrosome
Hypocotyl
15. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Sexual Reproduction in Animals
Secondary Spermatocytes
Dicots
Secondary Oocyte
16. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
Spermatozoa
Corpus Luteum
Second Meiotic Division
Cortical Reaction
17. 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
epicotyl
Fertilization
hCG (human Chorionic Gonadotrophin)
18. 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
Telophase I
Estrogens
Secondary Spermatocytes
Telophase (Interphase)
19. Centriole pairs are now at opposite poles of the cell
Interphase (Meiosis)
Metaphase (Interphase)
Flower
Primary Spermatocytes
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
Dicots
External Fertilization
Mosses
Sexual Reproduction in Angiosperms
21. (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
Monozygotic (identical) Twins
Crossing Over
Oocytes
Follicular phase
22. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
Cell Division
Primary Spermatocytes
Regeneration
Follicle
23. Mass of cells formed when the zygote divides
Cellular Division (Multicellular Organisms)
Embryo
Dicots
Corpus Luteum
24. The development of an unfertilized egg into an adult organism
Partenogenesis
Meristems
Ovaries
Single Mature Egg
25. Homologous pairs (tetrads) align at the equatorial plane - and each pair attaches to a separate spindle fiber by its kinetochore
Metaphase I
Mature sperm
Natural Vegatative Propagation
Meisosis vs. Mitosis
26. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Luteal Phase
Immature ovum
Female Sex Hormones
First Meiotic Division
27. Egg
Budding
Menstrual Cycle
Ovum
Mature sperm
28. Uncoiled DNA
Centromere
Testosterone
Oogenesis
Chromatin
29. First barrier that the sperm must penetrate -enzymes secreted by the sperm aid in penetration of the corona radiata -arosome is responsible for penetrating the zona pellucida; it releases enzymes that digest this layer - thereby allowing the sperm to
Zona Pellucida
External Fertilization
Corona Radiata
Cellular Division (Unicellular Organisms)
30. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Cytokinesis
Oogenesis
Menses
Runners
31. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Sperm Travels...
Sporophyte Generation
Vaginal Canal
Secondary Spermatocytes
32. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Spores
First Meiotic Division
Sperm Travels...
Menstrual Cycle
33. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Asexual Reproduction in Plants
Follicle
Prophase (Interphase)
Mature Ovum
34. Bulbs - tubers - runners - rhizomes
Ferns
Natural Vegatative Propagation
Meristems
Internal Fertilization
35. Eggs
Sexual Reproductive Mechanisms
Oocytes
Sexual Reproduction in Angiosperms
Zona Pellucida
36. Produces monoploid spores that develop into pollen grains
Estrogens
Anther
Sexual Reproductive Mechanisms
Meiosis
37. Method of growth - development - and replacement of worn-out cells
Partenogenesis
Monozygotic (identical) Twins
Cellular Division (Multicellular Organisms)
Primary Spermatocytes
38. 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
Vaginal Canal
epicotyl
Ovulation
Vegetative Propagation
39. Flowering plants consisting of a few cells that exist for a very short time
Menses
Primary Spermatocytes
Angiosperms
Ferns
40. 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
Fertilization membrane
Oogenesis
Prophase (Interphase)
Cotyledons
41. 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
Filament
Mature Ovum
Acrosome
Telophase I
42. The production of female gametes -occurs in the ovarian follicles
Oogenesis
Metaphase Plate (Interphase)
Apical Meristem
Cambium
43. The male organ of the flower and consists of a thin - stalk-like filament
External Fertilization
Sexual Reproductive Mechanisms
Oogenesis
Stamen
44. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Sexual Reproduction in Angiosperms
Menstrual Cycle
Spermatogenesis
Bulbs
45. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Primary Oocytes
Oogenesis
Embryo
Second Meiotic Division
46. 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
Fertilization
Corona Radiata
Single Mature Egg
Prophase (Interphase)
47. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Fertilization
Scrotum
Corpus Luteum
epicotyl
48. Common passageway for both the reproductive and exretory systems
Acrosome
Male Urethra
Plant vs. Animal cells
Progesterone
49. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Fission
Corona Radiata
Centromere
Ovaries
50. The process by which gametes are produced -involves two divisions of primary sex cells resulting in four haploid cells called gametes
Sexual Reproduction in Animals
Monozygotic (identical) Twins
Meiosis
Fertilization/Conjugation