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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. Undifferentiated tissues in plants
Meristems
Cell Plate
Centromere
Mosses
2. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Tubers
Polar Body
Follicle
Asexual Reproduction in Plants
3. 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
Secondary Spermatocytes
Gonads
External Fertilization
Ovulation
4. Secretes estrogen and progesterone
Estrogens
Corpus Luteum
Acrosomal Process
Sexual Reproduction in Animals
5. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Cervix
Urethra
Spermatids
Prophase I
6. The development of an unfertilized egg into an adult organism
Spermatids
Hypocotyl
Natural Vegatative Propagation
Partenogenesis
7. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Zona Pellucida
Sporophyte Generation
Gonads
Ovum
8. Centriole pairs are now at opposite poles of the cell
Monozygotic (identical) Twins
Metaphase (Interphase)
Zona Pellucida
Single Mature Egg
9. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Mitosis
Internal Fertilization
Ovaries
Endosperm
10. Specialized organs where gametes are produced
Anaphase I
Fertilization
Gonads
Uterus
11. 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 -
Monocots
Plant vs. Animal cells
Estrogens
Sexual Reproduction in Angiosperms
12. 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
Hermaphrodites
Menstrual Cycle
Artificial Vegetative Propagation
Cytokinesis (Interphase)
13. Part of embryo that develops into the lower and root
Cotyledons
Corona Radiata
Hypocotyl
Fertilization
14. Found in the tips of roots and stems where growth in length occurs
Endosperm
Mitosis
Chromatin
Apical Meristem
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
Metaphase I
Mature Ovum
Fission
Gonads
16. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
Cortical Reaction
Zona Pellucida
Cambium
Hypocotyl
17. 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
Interphase
Second Meiotic Division
Chromatin
Synapsis
18. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Cytokinesis (Interphase)
Spore Formation
Sexual Reproductive Mechanisms
Luteal Phase
19. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Spermatids
Primary Spermatocytes
Oogenesis
Zona Pellucida
20. 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
Seed Coat
Telophase (Interphase)
Oogenesis
Mitosis
21. 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
Flower
Acrosome
Chromatin
Acrosomal Process
22. Part of embryo that develops from the outer covering of the ovule
Filament
Cervix
Anaphase I
Seed Coat
23. 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
Telophase I
Vegetative Propagation
Disjunction
Primary Spermatocytes
24. Consists almost entirely of the nucleus - which contains the paternal genome
Four Parts of Interphase
Fertilization membrane
Head of Sperm
Immature ovum
25. Split to form several bulbs
Tetrad
Flower
Bulbs
Mitosis
26. 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
Fertilization
Mature Ovum
Fertilization membrane
Spermatogenesis
27. 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
Corona Radiata
Immature ovum
Ovaries
Four Parts of Interphase
28. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Zona Pellucida
Runners
Single Mature Egg
Cambium
29. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
hCG (human Chorionic Gonadotrophin)
Sexual Reproductive Mechanisms
Female Sex Hormones
Sexual Reproduction in Animals
30. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Regeneration
Gametophyte Generation
Fertilization
Corona Radiata
31. Produces monoploid spores that develop into pollen grains
Meristems
Spermatozoa
Anther
Interphase (Meiosis)
32. Regulates secondary male sex characteristics including facial and pubic hair and voice changes
Testosterone
Natural Vegatative Propagation
Fertilization
Synapsis
33. Method of growth - development - and replacement of worn-out cells
Oocyte Cell Membrane
Telophase (Interphase)
Cellular Division (Multicellular Organisms)
Testes
34. Specialized sex cells
Cytokinesis
Flower
Anaphase I
Gametes
35. A means of reproduction
Cellular Division (Unicellular Organisms)
Zona Pellucida
Filament
Acrosome
36. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Interphase (Meiosis)
hCG (human Chorionic Gonadotrophin)
Mosses
Angiosperms
37. 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
Crossing Over
Mitosis
Sexual Reproduction Requires
Spermatozoa
38. Ex: estrogens and progesterone -synthesized by ovaries
Plant vs. Animal cells
Female Sex Hormones
Cellular Division (Multicellular Organisms)
Acrosome
39. Outer layer of oocyte cell membrane
Menstruation
Corona Radiata
Interphase
Spore Formation
40. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Partenogenesis
Ferns
Immature ovum
Bulbs
41. Common passageway for both the reproductive and exretory systems
Ovum
Cotyledons
Internal Fertilization
Male Urethra
42. Can be fertilized during the 12-24hr after ovulation -occurs in the lateral - widest portion of the fallopian tube -sperm must travel through the vaginal canal - cervix - uterus - and into the fallopian tubes to reach the ovum
Fertilization
Chromatin
Partenogenesis
Asexual Reproduction
43. 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)
Asexual Reproduction in Plants
Polar Body
Plant vs. Animal cells
44. The production of female gametes - occurs in the ovaries
Oogenesis
Ferns
Cellular Division (Multicellular Organisms)
Ovulation
45. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Seed Coat
Single Mature Egg
Polar Body
Follicle
46. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Oocyte Cell Membrane
Interphase
Tetrad
Vaginal Canal
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
Sexual Reproduction Requires
Prophase (Interphase)
Testes
Corpus Luteum
48. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Cell Division
Monozygotic (identical) Twins
Meristem Cells
Secondary Spermatocytes
49. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Oocytes
Apical Meristem
Primary Oocytes
Runners
50. Cell division that follows karyokinesis
Spermatozoa
Cytokinesis
Angiosperms
Tubers