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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. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Runners
Endosperm
Sexual Reproduction Requires
Ovum
2. 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
Dicots
Cortical Reaction
Ovaries
Telophase (Interphase)
3. The process by which gametes are produced -involves two divisions of primary sex cells resulting in four haploid cells called gametes
Anther
Gametophyte Generation
Meiosis
Tubers
4. Consists almost entirely of the nucleus - which contains the paternal genome
Polar Body
Follicle
Flower
Head of Sperm
5. AKA lateral meristem -located between the xylem and phloem
Sporophyte
Head of Sperm
Polar Body
Cambium
6. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Ovaries
Gonads
Single Mature Egg
Menstruation
7. Part of embry that are seed leaves
Interphase (Meiosis)
Ovulation
Cotyledons
Monozygotic (identical) Twins
8. Have two cotyledons that absorb the endosperm
Dicots
Fertilization
Oogenesis
Anaphase (Interphase)
9. Ex: estrogens and progesterone -synthesized by ovaries
Female Sex Hormones
Luteal Phase
Testosterone
Natural Vegatative Propagation
10. The male organ of the flower and consists of a thin - stalk-like filament
Stamen
Crossing Over
Bulbs
Sperm Travels...
11. Uncoiled DNA
Sporophyte Generation
Anaphase I
Progesterone
Chromatin
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
Sperm Travels...
Rhizomes
Cytokinesis (Interphase)
Menstrual Cycle
13. First barrier that the sperm must penetrate -enzymes secreted by the sperm aid in penetration of the corona radiata -arosome is responsible for penetrating the zona pellucida; it releases enzymes that digest this layer - thereby allowing the sperm to
Menstruation
Rhizomes
Corona Radiata
Monocots
14. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Interphase (Meiosis)
Metaphase I
Scrotum
Oogenesis
15. Flowering plants consisting of a few cells that exist for a very short time
Menstruation
Mature Ovum
Monozygotic (identical) Twins
Angiosperms
16. Diploid cells of spermatogonia
Spermatozoa
Ovaries
Primary Spermatocytes
Cervix
17. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Secondary Oocyte
Immature ovum
Crossing Over
Chromatin
18. Specialized organs where gametes are produced
Gonads
Embryo
Second Meiotic Division
Sexual Reproductive Mechanisms
19. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Gametes
Tubers
Second Meiotic Division
Vegetative Propagation
20. Have one cotyledon
Mitosis
Monocots
Apical Meristem
Spore Formation
21. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Mature Ovum
Mature sperm
Dizygotic (Fraternal) Twins
Meristem Cells
22. Undergoes disjunction
Spore Formation
Anaphase I
Synapsis
Dicots
23. Undifferentiated tissues in plants
Hermaphrodites
Scrotum
Meristems
epicotyl
24. The production of female gametes - occurs in the ovaries
Cotyledons
Meristem Cells
Disjunction
Oogenesis
25. Surrounded by two layers of cells
Oocyte Cell Membrane
Spermatozoa
Testes
Corpus Luteum
26. 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
Scrotum
oviduct
Cell Division
Fertilization
27. Sporophyte generation is the dominant - familiar form
Acrosome
Ferns
Female Sex Hormones
Acrosomal Process
28. Sperm production -occurs in the seminiferous tubules
Follicular phase
Rhizomes
Spermatogenesis
Fertilization membrane
29. Muscular chamber which is the site of fetal development
Mitosis
Uterus
Vaginal Canal
Telophase I
30. Produces monoploid spores that develop into pollen grains
epicotyl
Anther
External Fertilization
Partenogenesis
31. Found in the tips of roots and stems where growth in length occurs
Corona Radiata
Anaphase (Interphase)
Apical Meristem
Tetrad
32. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Vaginal Canal
Sexual Reproductive Mechanisms
Flagellum
Four Parts of Interphase
33. Specialized cells with hard coverings that prevent loss of water
Meristem Cells
Spermatozoa
Flower
Spores
34. 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 membrane
Gametes
Cytokinesis (Interphase)
Stamen
35. Produced in developing placenta if fertilization occurs - maintaining the corpus luteum and - thus - the supply of estrogen and progesterone that maintains the uterus - until the placenta takes over production of these hormones
Cotyledons
Spermatozoa
Apical Meristem
hCG (human Chorionic Gonadotrophin)
36. Secretes estrogen and progesterone
First Meiotic Division
Bulbs
Corpus Luteum
Chromatin
37. 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
Sporophyte Generation
Fertilization membrane
Monozygotic (identical) Twins
Progesterone
38. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Fission
Testosterone
Gametophyte Generation
Meiosis
39. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Centromere
Oogenesis
Interphase (Meiosis)
Flagellum
40. Method of growth - development - and replacement of worn-out cells
Female Sex Hormones
Secondary Spermatocytes
Gonads
Cellular Division (Multicellular Organisms)
41. 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
Artificial Vegetative Propagation
Urethra
Gonads
Acrosome
42. Outer layer of oocyte cell membrane
Corona Radiata
Filament
Four Parts of Interphase
Cellular Division (Multicellular Organisms)
43. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Progesterone
Sporophyte Generation
Interphase (Meiosis)
Second Meiotic Division
44. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Meristems
Natural Vegatative Propagation
Cell Division
Spermatogonia
45. Part of embryo that grows and feeds the embryo
Primary Oocytes
Endosperm
Asexual Reproduction in Plants
Meristems
46. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
Single Mature Egg
Follicle
Estrogens
Follicular phase
47. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Urethra
Ferns
Sporophyte
Luteal Phase
48. Menstrual flow
Menses
Monocots
Meristem Cells
Plant vs. Animal cells
49. Part of embryo that develops from the outer covering of the ovule
Cervix
Menstrual Cycle
Seed Coat
Synapsis
50. Thin and stalk like with a terminal sac called the anther
Artificial Vegetative Propagation
epicotyl
Karyokinesis
Filament
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