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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. 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
Sperm Travels...
Meisosis vs. Mitosis
Centromere
Fertilization/Conjugation
2. 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
Interphase
Ovulation
Secondary Oocyte
External Fertilization
3. Consists almost entirely of the nucleus - which contains the paternal genome
Mosses
Head of Sperm
Cellular Division (Multicellular Organisms)
Testes
4. Reproductive structure of angiosperms
Asexual Reproduction
Fertilization
Flower
Cortical Reaction
5. 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
Bulbs
Progesterone
oviduct
Ovaries
6. 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
Embryo
Testes
Spore Formation
Fertilization
7. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Spermatogonia
Menstruation
Fertilization/Conjugation
Monocots
8. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Gametophyte Generation
Plant vs. Animal cells
Bulbs
Cellular Division (Unicellular Organisms)
9. Specialized cells with hard coverings that prevent loss of water
Disjunction
Immature ovum
Oocytes
Spores
10. Undifferentiated tissues in plants
Secondary Spermatocytes
Meristems
Tetrad
Fertilization
11. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Sexual Reproduction in Angiosperms
Acrosome
Stamen
Monocots
12. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Ovulation
Mosses
Interphase (Meiosis)
Apical Meristem
13. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Secondary Oocyte
Bulbs
Luteal Phase
Cytokinesis (Interphase)
14. Produced when each meiotic division -rapidly degenerate
Stamen
Polar Body
Fertilization
Dizygotic (Fraternal) Twins
15. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Cambium
Sexual Reproduction Requires
Telophase I
External Fertilization
16. Mass of cells formed when the zygote divides
Telophase I
Gonads
Embryo
Meisosis vs. Mitosis
17. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Primary Oocytes
Cytokinesis (Interphase)
Monocots
Tubers
18. 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
Regeneration
Interphase (Meiosis)
epicotyl
Prophase (Interphase)
19. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Runners
Follicular phase
Anaphase I
Corona Radiata
20. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Tetrad
Centromere
Crossing Over
Sexual Reproduction in Angiosperms
21. Centriole pairs are now at opposite poles of the cell
Spermatogenesis
Metaphase (Interphase)
Anther
Estrogens
22. Contains elongated cell with head - tail - neck - and body
Immature ovum
Mature sperm
Angiosperms
Seed Coat
23. The development of an unfertilized egg into an adult organism
Dizygotic (Fraternal) Twins
Partenogenesis
Endosperm
Follicle
24. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Flower
Filament
Corona Radiata
Flagellum
25. Uncoiled DNA
Scrotum
Chromatin
Sporophyte Generation
Flower
26. Split to form several bulbs
External Fertilization
Bulbs
Cytokinesis (Interphase)
Spermatogonia
27. Regulates secondary male sex characteristics including facial and pubic hair and voice changes
Testosterone
Partenogenesis
Cell Division
Interphase (Meiosis)
28. 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
Estrogens
Anther
Follicular phase
Cotyledons
29. 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
Ovaries
Acrosomal Process
hCG (human Chorionic Gonadotrophin)
Progesterone
30. 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
Centromere
Menstrual Cycle
Secondary Spermatocytes
Vegetative Propagation
31. Part of embryo that develops from the outer covering of the ovule
Seed Coat
Telophase (Interphase)
oviduct
Cellular Division (Multicellular Organisms)
32. Nuclear division and followed by cell division
Fertilization membrane
Luteal Phase
Angiosperms
Karyokinesis
33. The production of female gametes - occurs in the ovaries
Artificial Vegetative Propagation
Oogenesis
Scrotum
Telophase (Interphase)
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
Follicular phase
Four Parts of Interphase
Flower
Oogenesis
35. Ex: estrogens and progesterone -synthesized by ovaries
Female Sex Hormones
Meisosis vs. Mitosis
Estrogens
Prophase I
36. 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
Anaphase (Interphase)
Corona Radiata
Uterus
37. Two haploid cells yielded from meiotic division of primary spermatocytes
Natural Vegatative Propagation
Mature Ovum
Secondary Spermatocytes
Spermatozoa
38. Passes through the penis and opens to the outside at its tip
Flower
Filament
Urethra
Fertilization
39. 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
Fertilization
Ovulation
Follicle
Spermatogenesis
40. The production of female gametes -occurs in the ovarian follicles
Follicle
hCG (human Chorionic Gonadotrophin)
Oogenesis
Meristem Cells
41. Located on scrotum -site for testosterone
Acrosomal Process
Meristem Cells
Immature ovum
Testes
42. Found in the tips of roots and stems where growth in length occurs
Testosterone
Apical Meristem
Interphase (Meiosis)
Head of Sperm
43. Diploid cells of spermatogonia
Primary Oocytes
Angiosperms
Primary Spermatocytes
Anaphase I
44. Thin and stalk like with a terminal sac called the anther
Meiosis
Meristems
Corpus Luteum
Filament
45. Part of embry that are seed leaves
Corpus Luteum
Mosses
Plant vs. Animal cells
Cotyledons
46. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Follicle
Mature Ovum
Stamen
Corpus Luteum
47. 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
Menstruation
Spore Formation
Spermatogenesis
Monocots
48. Part of embryo that is the precursor of the upper stem and leaves
Cell Plate
epicotyl
Four Parts of Interphase
Cell Division
49. Sporophyte generation is the dominant - familiar form
Luteal Phase
Ferns
Disjunction
Cotyledons
50. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Sporophyte
Hypocotyl
Filament
Four Parts of Interphase
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