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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. Female gonads that produce oocytes
Monozygotic (identical) Twins
Hermaphrodites
Bulbs
Ovaries
2. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Crossing Over
oviduct
Spermatids
Tetrad
3. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
epicotyl
Rhizomes
Oocytes
Sexual Reproduction Requires
4. Common passageway for both the reproductive and exretory systems
Head of Sperm
Cotyledons
Menstrual Cycle
Male Urethra
5. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Sporophyte
Sexual Reproductive Mechanisms
Corona Radiata
epicotyl
6. Part of embryo that develops from the outer covering of the ovule
Seed Coat
Zona Pellucida
Uterus
Male Urethra
7. Outer layer of oocyte cell membrane
Mosses
Luteal Phase
Corona Radiata
Disjunction
8. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Four Parts of Interphase
Immature ovum
epicotyl
Embryo
9. 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
Secondary Oocyte
Mosses
Spermatogonia
Acrosome
10. 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
Progesterone
Ovaries
Ovaries
epicotyl
11. Passes through the penis and opens to the outside at its tip
Filament
Endosperm
Urethra
Spermatids
12. 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
Cellular Division (Unicellular Organisms)
Scrotum
Acrosomal Process
Flower
13. Consists almost entirely of the nucleus - which contains the paternal genome
Head of Sperm
Spores
Primary Oocytes
Endosperm
14. Contains elongated cell with head - tail - neck - and body
External Fertilization
Mature sperm
Second Meiotic Division
Sporophyte
15. Surrounded by two layers of cells
Oocyte Cell Membrane
Testosterone
Metaphase I
Progesterone
16. 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
External Fertilization
Bulbs
Metaphase I
Estrogens
17. (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
Primary Oocytes
Mature sperm
Crossing Over
Sexual Reproduction Requires
18. Nuclear division and followed by cell division
Prophase (Interphase)
Luteal Phase
Karyokinesis
Monocots
19. Have both functional male and female gonads
Hermaphrodites
Partenogenesis
External Fertilization
epicotyl
20. 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
Filament
Fertilization membrane
Artificial Vegetative Propagation
Crossing Over
21. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Mitosis
Sexual Reproduction in Angiosperms
Rhizomes
Asexual Reproduction in Plants
22. 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
Single Mature Egg
Mitosis
hCG (human Chorionic Gonadotrophin)
Fission
23. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Cell Plate
Corpus Luteum
Flagellum
Anaphase I
24. Part of embryo that grows and feeds the embryo
Embryo
Gametes
Endosperm
Corona Radiata
25. Located on scrotum -site for testosterone
Testes
Karyokinesis
Cytokinesis (Interphase)
Fertilization/Conjugation
26. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Primary Oocytes
Primary Spermatocytes
First Meiotic Division
Meristems
27. Centriole pairs are now at opposite poles of the cell
hCG (human Chorionic Gonadotrophin)
Filament
Metaphase (Interphase)
Secondary Oocyte
28. 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
Budding
Mature sperm
Ovaries
Endosperm
29. 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
Mature sperm
epicotyl
Menstruation
Oocyte Cell Membrane
30. Homologous pairs (tetrads) align at the equatorial plane - and each pair attaches to a separate spindle fiber by its kinetochore
Menstruation
Metaphase I
Sporophyte Generation
oviduct
31. 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
Spermatogenesis
Regeneration
Artificial Vegetative Propagation
Cytokinesis (Interphase)
32. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Cytokinesis (Interphase)
Fertilization
Testes
Cellular Division (Unicellular Organisms)
33. Egg
Apical Meristem
Spermatogenesis
Ovum
Sexual Reproductive Mechanisms
34. 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
Embryo
Follicular phase
Spermatozoa
Secondary Oocyte
35. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
Bulbs
Follicle
Meisosis vs. Mitosis
Cambium
36. Ex: estrogens and progesterone -synthesized by ovaries
Mosses
Testes
Female Sex Hormones
Gametes
37. Flowering plants consisting of a few cells that exist for a very short time
Angiosperms
Karyokinesis
Monocots
oviduct
38. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Scrotum
Gonads
Stamen
Metaphase Plate (Interphase)
39. The male organ of the flower and consists of a thin - stalk-like filament
Oocytes
Rhizomes
Interphase (Meiosis)
Stamen
40. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Rhizomes
Scrotum
Asexual Reproduction in Plants
Partenogenesis
41. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Cotyledons
Sporophyte
Luteal Phase
Meiosis
42. Regrowth of a lost or injured body part
Regeneration
Sexual Reproduction in Animals
Spermatozoa
Synapsis
43. Have two cotyledons that absorb the endosperm
Fertilization
Flagellum
Fertilization
Dicots
44. 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
Meisosis vs. Mitosis
Cotyledons
Sexual Reproduction in Angiosperms
Zona Pellucida
45. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Follicle
Prophase I
Primary Spermatocytes
Cortical Reaction
46. (In Anaphase I) homologous pairs separate and are pulled to opposite poles of the cell -accounts for a fundamental Mendelian Law -each chromosome of paternal origin separates (or disjoins) from its homologue of maternal origin - and either chromosome
Cell Division
Disjunction
hCG (human Chorionic Gonadotrophin)
Vegetative Propagation
47. Diploid cells of spermatogonia
Follicle
Primary Spermatocytes
Bulbs
Sexual Reproduction in Angiosperms
48. 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
oviduct
Luteal Phase
Sperm Travels...
Mitosis
49. Produced when each meiotic division -rapidly degenerate
Angiosperms
Ovaries
Estrogens
Polar Body
50. 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 -
Plant vs. Animal cells
Male Urethra
Secondary Spermatocytes
Corona Radiata