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Test your basic knowledge |
PCAT Biology Reproduction
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Subjects
:
pcat
,
biology
Instructions:
Answer 50 questions in 15 minutes.
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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. Split to form several bulbs
Bulbs
Spermatogonia
Gonads
Vegetative Propagation
2. Regrowth of a lost or injured body part
Apical Meristem
Meiosis
Regeneration
Ovaries
3. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Synapsis
External Fertilization
Meristems
Sexual Reproduction in Animals
4. AKA ovanan or fallopian tube -opens into the upper end of the uterus
Meisosis vs. Mitosis
Menstruation
Female Sex Hormones
oviduct
5. 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
Karyokinesis
Prophase I
External Fertilization
Sexual Reproduction in Animals
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
Four Parts of Interphase
Gametophyte Generation
First Meiotic Division
Natural Vegatative Propagation
7. 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)
Filament
Primary Spermatocytes
Testosterone
8. Egg
Ovum
Fertilization
Corona Radiata
Luteal Phase
9. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Acrosome
Primary Oocytes
oviduct
Fertilization
10. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Immature ovum
Sexual Reproduction in Angiosperms
Monozygotic (identical) Twins
Menstruation
11. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Menstrual Cycle
Oogenesis
Sporophyte Generation
Fission
12. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
Fertilization/Conjugation
Metaphase Plate (Interphase)
Telophase I
Fission
13. 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
Spermatogenesis
Spore Formation
Apical Meristem
Filament
14. AKA stolon -woody - underground stems -can develop new upright stems
Filament
Cellular Division (Unicellular Organisms)
Rhizomes
Gametes
15. Uncoiled DNA
Partenogenesis
Metaphase (Interphase)
Spermatogenesis
Chromatin
16. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Head of Sperm
Runners
Embryo
Partenogenesis
17. Sperm production -occurs in the seminiferous tubules
Spermatogenesis
Corona Radiata
Prophase I
Ovaries
18. Produces monoploid spores that develop into pollen grains
Anther
Sexual Reproductive Mechanisms
Cellular Division (Multicellular Organisms)
Hypocotyl
19. Passes through the penis and opens to the outside at its tip
Metaphase Plate (Interphase)
Urethra
Head of Sperm
Acrosomal Process
20. Union of gametes
Fertilization/Conjugation
Flagellum
hCG (human Chorionic Gonadotrophin)
Fission
21. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Luteal Phase
Menstruation
Apical Meristem
Flagellum
22. 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
Mosses
Progesterone
Dizygotic (Fraternal) Twins
Testosterone
23. 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
Fertilization
Sexual Reproduction in Angiosperms
Gametes
24. Part of embryo that develops from the outer covering of the ovule
Tubers
Anaphase I
Seed Coat
Four Parts of Interphase
25. 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
Cambium
Artificial Vegetative Propagation
Synapsis
Vegetative Propagation
26. Produced when each meiotic division -rapidly degenerate
Gametes
Meristem Cells
Polar Body
Hermaphrodites
27. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Telophase (Interphase)
epicotyl
Corona Radiata
Secondary Oocyte
28. Have one cotyledon
Metaphase I
Scrotum
Polar Body
Monocots
29. Found in the tips of roots and stems where growth in length occurs
Partenogenesis
Sexual Reproduction Requires
Polar Body
Apical Meristem
30. Produced after meioisis from spermatids that undergo a series of changes -AKA mature sperm -specialized for transporting the sperm nucleus to the ovum -elongated cell with a head - neck - body - and tail
Progesterone
Monocots
Spermatozoa
Secondary Spermatocytes
31. Contains elongated cell with head - tail - neck - and body
Mature sperm
Filament
Corona Radiata
Chromatin
32. AKA sperm production -occurs in the seminiferous tubules
Spermatogenesis
Cellular Division (Unicellular Organisms)
Menses
Anther
33. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Oocytes
Zona Pellucida
Progesterone
Cell Plate
34. 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
Uterus
Bulbs
Menstrual Cycle
Acrosomal Process
35. (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
Crossing Over
Gonads
Single Mature Egg
Embryo
36. Specialized organs where gametes are produced
Vegetative Propagation
Gonads
Metaphase I
Follicular phase
37. 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 -
Runners
Secondary Spermatocytes
Vaginal Canal
Asexual Reproduction
38. Consists almost entirely of the nucleus - which contains the paternal genome
Runners
Head of Sperm
Mosses
Natural Vegatative Propagation
39. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Scrotum
Dicots
Spermatogenesis
Ovaries
40. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Fission
Mosses
Menses
Meristem Cells
41. Two haploid cells yielded from meiotic division of primary spermatocytes
Testosterone
Sexual Reproduction in Angiosperms
Angiosperms
Secondary Spermatocytes
42. Centriole pairs are now at opposite poles of the cell
Polar Body
Bulbs
Metaphase (Interphase)
Natural Vegatative Propagation
43. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Gametes
First Meiotic Division
Interphase
Sperm Travels...
44. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Asexual Reproduction in Plants
Cytokinesis
Cytokinesis (Interphase)
Estrogens
45. 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
Acrosomal Process
Fertilization
Sperm Travels...
Synapsis
46. Flowering plants consisting of a few cells that exist for a very short time
Telophase I
Mature sperm
Testosterone
Angiosperms
47. 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
Flagellum
Corona Radiata
Oocyte Cell Membrane
48. The male organ of the flower and consists of a thin - stalk-like filament
Vegetative Propagation
Progesterone
Fertilization
Stamen
49. 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
Sperm Travels...
Fission
hCG (human Chorionic Gonadotrophin)
50. Part of embryo that develops into the lower and root
Hypocotyl
Head of Sperm
Cotyledons
External Fertilization
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