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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. The male organ of the flower and consists of a thin - stalk-like filament
Flagellum
Female Sex Hormones
Spores
Stamen
2. Surrounded by two layers of cells
Flagellum
Chromatin
Oocyte Cell Membrane
Acrosomal Process
3. Reproductive structure of angiosperms
Artificial Vegetative Propagation
Cortical Reaction
Flower
Flagellum
4. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Sexual Reproduction in Angiosperms
Regeneration
Fertilization/Conjugation
Interphase (Meiosis)
5. Flowering plants consisting of a few cells that exist for a very short time
Cellular Division (Multicellular Organisms)
Angiosperms
Meristems
Cortical Reaction
6. 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
First Meiotic Division
Menstruation
Follicular phase
Apical Meristem
7. Specialized sex cells
Gametes
Fission
Internal Fertilization
Ovum
8. The process by which gametes are produced -involves two divisions of primary sex cells resulting in four haploid cells called gametes
Spermatozoa
Meiosis
Synapsis
Asexual Reproduction in Plants
9. The production of female gametes - occurs in the ovaries
Oogenesis
Hermaphrodites
Spermatozoa
Embryo
10. 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
Scrotum
Meisosis vs. Mitosis
Regeneration
Hermaphrodites
11. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Monozygotic (identical) Twins
Cell Division
Chromatin
Testosterone
12. 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
Second Meiotic Division
Spore Formation
Head of Sperm
hCG (human Chorionic Gonadotrophin)
13. (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
Menstrual Cycle
Disjunction
Artificial Vegetative Propagation
Dicots
14. Split to form several bulbs
Meristems
Corona Radiata
Sexual Reproduction in Animals
Bulbs
15. 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
Tubers
Sperm Travels...
Budding
Mosses
16. Part of embryo that develops into the lower and root
Testes
Mature sperm
Hypocotyl
Tubers
17. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Metaphase Plate (Interphase)
Bulbs
Cell Plate
Mosses
18. A means of reproduction
Ferns
Cellular Division (Unicellular Organisms)
Luteal Phase
Head of Sperm
19. Diploid cells of spermatogonia
Spermatogonia
Hypocotyl
Tubers
Primary Spermatocytes
20. Muscular chamber which is the site of fetal development
Ovum
Uterus
Chromatin
Filament
21. 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
Cytokinesis (Interphase)
Disjunction
Cellular Division (Unicellular Organisms)
Sporophyte
22. 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
Spermatogonia
Cell Division
Sexual Reproduction in Angiosperms
Budding
23. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Dizygotic (Fraternal) Twins
Embryo
Crossing Over
Cambium
24. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Cytokinesis (Interphase)
Interphase (Meiosis)
Cortical Reaction
Rhizomes
25. Part of embry that are seed leaves
Secondary Spermatocytes
Telophase (Interphase)
Endosperm
Cotyledons
26. Part of embryo that develops from the outer covering of the ovule
Tetrad
Asexual Reproduction in Plants
Acrosome
Seed Coat
27. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Spermatids
Oogenesis
Hermaphrodites
Apical Meristem
28. Specialized organs where gametes are produced
Gonads
Prophase (Interphase)
Secondary Oocyte
Metaphase Plate (Interphase)
29. Undifferentiated tissues in plants
Sexual Reproduction in Animals
Cortical Reaction
Spermatogenesis
Meristems
30. 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
Meiosis
Acrosomal Process
Dizygotic (Fraternal) Twins
Seed Coat
31. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Fertilization
Crossing Over
Mature Ovum
Cytokinesis (Interphase)
32. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Sexual Reproduction Requires
Apical Meristem
Tetrad
Tubers
33. Consists almost entirely of the nucleus - which contains the paternal genome
Urethra
Progesterone
Ovaries
Head of Sperm
34. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Menstruation
Cellular Division (Multicellular Organisms)
Meristem Cells
Embryo
35. 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
Natural Vegatative Propagation
Anaphase (Interphase)
External Fertilization
Artificial Vegetative Propagation
36. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Asexual Reproduction in Plants
Cell Plate
Corona Radiata
Sexual Reproduction in Animals
37. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Sporophyte
Synapsis
Urethra
Tetrad
38. 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
Flower
Sporophyte Generation
hCG (human Chorionic Gonadotrophin)
Natural Vegatative Propagation
39. 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
Four Parts of Interphase
Fission
Ovaries
Fertilization
40. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Anaphase (Interphase)
Spores
Dicots
Testes
41. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Flagellum
Anther
Gametophyte Generation
Estrogens
42. Two haploid cells yielded from meiotic division of primary spermatocytes
Prophase I
Cotyledons
Secondary Spermatocytes
Artificial Vegetative Propagation
43. 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
Ovulation
Second Meiotic Division
Corpus Luteum
Head of Sperm
44. 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
Plant vs. Animal cells
Anther
Fertilization membrane
Luteal Phase
45. Egg
Fertilization/Conjugation
Asexual Reproduction in Plants
Ovum
Plant vs. Animal cells
46. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Sporophyte Generation
Chromatin
Ovaries
Dicots
47. Method of growth - development - and replacement of worn-out cells
Karyokinesis
Cellular Division (Multicellular Organisms)
Stamen
Female Sex Hormones
48. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Metaphase Plate (Interphase)
Cellular Division (Unicellular Organisms)
Spermatogonia
Cellular Division (Multicellular Organisms)
49. 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
Head of Sperm
Bulbs
Vegetative Propagation
Luteal Phase
50. Part of embryo that is the precursor of the upper stem and leaves
Metaphase Plate (Interphase)
Sexual Reproduction in Animals
epicotyl
Anaphase (Interphase)