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. Sporophyte generation is the dominant - familiar form
Follicular phase
Ferns
Mitosis
Meristems
2. Union of the egg and sperm nuclei to form a zygote with a diploid number of chromosomes
Acrosome
Fertilization
Ovum
Artificial Vegetative Propagation
3. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Spermatozoa
Centromere
Ovum
Acrosome
4. 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
Hermaphrodites
Apical Meristem
Interphase
Cortical Reaction
5. Uncoiled DNA
Sexual Reproduction Requires
Metaphase (Interphase)
Chromatin
Sporophyte Generation
6. Surrounded by two layers of cells
Zona Pellucida
Oocyte Cell Membrane
Prophase (Interphase)
Plant vs. Animal cells
7. Have two cotyledons that absorb the endosperm
Endosperm
Female Sex Hormones
First Meiotic Division
Dicots
8. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Oocyte Cell Membrane
Ovaries
hCG (human Chorionic Gonadotrophin)
Corona Radiata
9. Method of growth - development - and replacement of worn-out cells
Corpus Luteum
Fission
Cellular Division (Multicellular Organisms)
Single Mature Egg
10. 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
Primary Oocytes
Telophase I
Four Parts of Interphase
Natural Vegatative Propagation
11. Lower - narrow end of the uterus -connects with the vaginal canal
Menses
Metaphase Plate (Interphase)
Cervix
Filament
12. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Flagellum
Polar Body
Ovaries
Bulbs
13. Thin and stalk like with a terminal sac called the anther
Bulbs
Zona Pellucida
Interphase (Meiosis)
Filament
14. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Second Meiotic Division
Gametes
Meristem Cells
epicotyl
15. 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
Gametes
Fission
Cytokinesis (Interphase)
Sexual Reproduction Requires
16. Part of embry that are seed leaves
Female Sex Hormones
Vaginal Canal
Fertilization
Cotyledons
17. 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
Corona Radiata
Telophase (Interphase)
hCG (human Chorionic Gonadotrophin)
Follicular phase
18. 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
Progesterone
Oogenesis
Menstrual Cycle
19. Consists almost entirely of the nucleus - which contains the paternal genome
Head of Sperm
Second Meiotic Division
Bulbs
Spermatids
20. Passes through the penis and opens to the outside at its tip
Single Mature Egg
Gametophyte Generation
Interphase
Urethra
21. 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
Cytokinesis
Menstrual Cycle
Sexual Reproduction in Angiosperms
Corpus Luteum
22. 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)
Ovum
Immature ovum
Synapsis
23. Sperm production -occurs in the seminiferous tubules
Centromere
Stamen
Prophase (Interphase)
Spermatogenesis
24. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Gonads
Cell Division
Progesterone
Vaginal Canal
25. Mass of cells formed when the zygote divides
Filament
Mature sperm
Embryo
Spores
26. Eggs
Fertilization
Oocytes
Second Meiotic Division
Mature Ovum
27. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Ovulation
Artificial Vegetative Propagation
Metaphase Plate (Interphase)
Sexual Reproduction in Animals
28. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Spermatogonia
Centromere
Tetrad
Cambium
29. 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 -
Urethra
epicotyl
Asexual Reproduction
Oocytes
30. Regrowth of a lost or injured body part
Regeneration
Endosperm
Follicle
Acrosome
31. Outer layer of oocyte cell membrane
Telophase I
Fertilization/Conjugation
Angiosperms
Corona Radiata
32. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
Vaginal Canal
Cortical Reaction
Prophase (Interphase)
Mature sperm
33. Occurs midway through the cycle -a mature ovarian follicle bursts and releases an ovum -caused by a surge in LH (Luteinizing Hormone) that is preceded - and in part caused - by a peak in estrogen levels
Sexual Reproduction in Animals
Ovulation
Urethra
Second Meiotic Division
34. 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
Monocots
Flower
Telophase (Interphase)
Progesterone
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
Artificial Vegetative Propagation
Apical Meristem
Mosses
Cellular Division (Unicellular Organisms)
36. Menstrual flow
Flower
Crossing Over
Spermatids
Menses
37. 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
Angiosperms
Cotyledons
Corona Radiata
Meisosis vs. Mitosis
38. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
Prophase I
Metaphase Plate (Interphase)
Fertilization membrane
Follicle
39. AKA sperm production -occurs in the seminiferous tubules
Asexual Reproduction
Luteal Phase
Meiosis
Spermatogenesis
40. (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
Asexual Reproduction
Disjunction
Embryo
Cell Plate
41. The production of female gametes -occurs in the ovarian follicles
Menstruation
Mosses
Fertilization
Oogenesis
42. Specialized cells with hard coverings that prevent loss of water
Embryo
Meristem Cells
Spores
Mitosis
43. 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 -
Fertilization membrane
Plant vs. Animal cells
Gametes
Second Meiotic Division
44. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
External Fertilization
Sporophyte Generation
Cell Plate
Runners
45. Cell division that follows karyokinesis
Prophase (Interphase)
Fertilization membrane
Cytokinesis
Fertilization
46. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Crossing Over
Asexual Reproduction in Plants
Cotyledons
Meristems
47. 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
Cell Plate
Mosses
Scrotum
Mitosis
48. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Fertilization
Seed Coat
Oogenesis
Sexual Reproduction Requires
49. The development of an unfertilized egg into an adult organism
Budding
Gametes
Bulbs
Partenogenesis
50. Male gonads - produce sperm in the tightly coiled seminiferous tubules
oviduct
Testes
Oocyte Cell Membrane
Embryo