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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. Have two cotyledons that absorb the endosperm
Sexual Reproduction Requires
Mosses
Female Sex Hormones
Dicots
2. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Spermatids
Asexual Reproduction in Plants
Single Mature Egg
Uterus
3. Undifferentiated tissues in plants
Acrosome
Meristems
Monocots
Hypocotyl
4. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Zona Pellucida
Cell Plate
Asexual Reproduction in Plants
Fertilization
5. 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
Runners
Sexual Reproductive Mechanisms
Filament
6. 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
Corpus Luteum
Four Parts of Interphase
Apical Meristem
Mosses
7. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Acrosome
Progesterone
Primary Oocytes
Meristem Cells
8. Produced when each meiotic division -rapidly degenerate
Spermatogonia
Four Parts of Interphase
Polar Body
Regeneration
9. Bulbs - tubers - runners - rhizomes
Male Urethra
Prophase I
Meiosis
Natural Vegatative Propagation
10. Mass of cells formed when the zygote divides
Filament
Monocots
Head of Sperm
Embryo
11. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Urethra
Tubers
Asexual Reproduction
Endosperm
12. Nuclear division and followed by cell division
Meristems
Cambium
Apical Meristem
Karyokinesis
13. Cell division that follows karyokinesis
Cytokinesis
Cell Plate
Monozygotic (identical) Twins
Asexual Reproduction in Plants
14. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Partenogenesis
Meristem Cells
Cell Division
Urethra
15. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Gonads
Cell Plate
Cell Division
Cytokinesis (Interphase)
16. Homologous pairs (tetrads) align at the equatorial plane - and each pair attaches to a separate spindle fiber by its kinetochore
Metaphase I
Flagellum
Angiosperms
Cellular Division (Unicellular Organisms)
17. 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
Acrosome
Anaphase I
Spermatids
Angiosperms
18. Passes through the penis and opens to the outside at its tip
Sexual Reproduction Requires
Urethra
Ovaries
Monozygotic (identical) Twins
19. 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 (Interphase)
Sexual Reproduction in Animals
Telophase I
Filament
20. Specialized cells with hard coverings that prevent loss of water
Progesterone
Crossing Over
Spores
Metaphase I
21. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Crossing Over
Sexual Reproduction Requires
Four Parts of Interphase
Monozygotic (identical) Twins
22. 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 -
Partenogenesis
Spermatogenesis
Primary Spermatocytes
Asexual Reproduction
23. 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 -
Head of Sperm
Fission
Spermatogonia
Plant vs. Animal cells
24. Consists almost entirely of the nucleus - which contains the paternal genome
Head of Sperm
Acrosome
Spermatogenesis
Vegetative Propagation
25. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Flagellum
Gametes
Dicots
Meiosis
26. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Sexual Reproductive Mechanisms
Mature Ovum
Oocytes
Spermatids
27. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Spores
Scrotum
Prophase I
Sperm Travels...
28. Specialized organs where gametes are produced
Sexual Reproduction in Animals
Luteal Phase
Endosperm
Gonads
29. Regulates secondary male sex characteristics including facial and pubic hair and voice changes
Spermatogonia
Anaphase I
Apical Meristem
Testosterone
30. Produces two intermediate daughter cells with N chromosomes with sister chromatids
First Meiotic Division
Fission
Ovulation
Cell Plate
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
Oocyte Cell Membrane
Estrogens
Primary Spermatocytes
Artificial Vegetative Propagation
32. 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
Mitosis
Uterus
Cellular Division (Multicellular Organisms)
Interphase
33. 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
Sexual Reproduction Requires
Mosses
Metaphase I
Luteal Phase
34. Split to form several bulbs
Luteal Phase
Follicular phase
Bulbs
Vegetative Propagation
35. Eggs
Spermatogenesis
Oocytes
Tubers
Testes
36. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Cervix
Sexual Reproduction Requires
Prophase I
Meisosis vs. Mitosis
37. Thin and stalk like with a terminal sac called the anther
Gametes
Testosterone
Filament
Oogenesis
38. (In Prophase I) each chromosome consists of two sister chromatids - each synaptic pair of homologous chromosomes containing four chromatids
Tetrad
Corpus Luteum
Ovaries
Zona Pellucida
39. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Sporophyte Generation
Karyokinesis
Synapsis
Menses
40. Menstrual flow
Estrogens
Secondary Spermatocytes
Menses
Partenogenesis
41. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Prophase I
Acrosomal Process
Ovaries
Secondary Oocyte
42. AKA ovanan or fallopian tube -opens into the upper end of the uterus
Chromatin
Second Meiotic Division
Testes
oviduct
43. 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
Sexual Reproduction Requires
Male Urethra
Hypocotyl
Menstruation
44. Flowering plants consisting of a few cells that exist for a very short time
Angiosperms
Scrotum
Corpus Luteum
Mitosis
45. The production of female gametes -occurs in the ovarian follicles
Oogenesis
Cytokinesis
Male Urethra
Mosses
46. 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
Spermatogenesis
Ovulation
Spermatozoa
47. 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)
Mature sperm
Cortical Reaction
External Fertilization
48. Surrounded by two layers of cells
Oocyte Cell Membrane
Menstruation
Dizygotic (Fraternal) Twins
Monocots
49. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Vegetative Propagation
Sexual Reproductive Mechanisms
Dizygotic (Fraternal) Twins
Sexual Reproduction in Animals
50. 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
Menses
Follicular phase
Anther
Meristem Cells