Sunday, December 26, 2010

MCQ TEST Chapter # 4 “REPRODUCTION”

No: of Items: 115

Q:1: _____________ is(are) basis for asexual reproduction.



(A) Mitosis (B) Meiosis
(C) Sex hormones (D) All A, B and C



Q:2: What is advantage of asexual reproduction?


(A) Organisms increases rapidly (B) Organisms are morphologically alike
(C) Organisms are genetically alike (D) All A, B and C


Q3: What is advantage of sexual reproduction?


(A) Genetically varied individuals are born (B) Chances of survival increases
(C) Chances of evolution increases (D) All A, B and C


Q:4: Natural method(s) of asexual reproduction in plants is (are)


(A) Spores (B) Vegetative propagation
(C) Apomixis (D) All A, B and C


Q:5: Artificial method(s) of asexual reproduction in plants is (are)


(A) Cuttings (B) Tissue culture
(C) Both A and B (D) Alternation of generation


Q:6: A single mushroom may produce _____________ spores a minute at the peak of its reproduction.


(A) 500,000 (B) 50,000
(C) 80,000 (D) 200,000


Q:7: Perennating organs are associated with which type of asexual reproduction?


(A) Sporulation (B) Apomixis
(C) Vegetative propagation (D) Cutting


Q:8: In apomixis, an embryo is created from a diploid cell in the


(A) Pollen tube (B) Leaf
(C) Ovule (D) All of the choices are correct


Q:9: Asexual reproduction differs from sexual reproduction in that it does not require


(A) 1 parent (B) 2 parents
(C) Spores (D) Vegetative parts


Q:10: Asexual reproduction does not introduce


(A) Variation (B) Similarity between parents & offsprings
(C) Same chromosomal number in offsprings (D) All of the choices are incorrect


Q:11: Which of the following statements is true of clones?


(A) Clones show variation (B) Clones have DNA identical to parent
(C) Clones are formed by meiotic division (D) All the choices are incorrect


Q:12: Vegetative propagation does not involve


(A) Root parts (B) Stem parts
(C) Leaf parts (D) Flower parts


Q:13: At the cut end of shoot a mass of dividing undifferentiated cells is called


(A) Callus (B) Periblem
(C) Dermatogen (D) Pericycle


Q:14: One of the following is NOT a method of asexual reproduction.


(A) Sporulation (B) Gametogenesis
(C) Apomixis (D) Parthenogenesis


Q:15: Tissue culture is a technique used to produce a large number of _________ plants quickly.


(A) Variable (B) Unicellular
(C) Identical (D) All A, B and C


Q:16: Which of the following disadvantages applies to Tissue culture?



(A) Clone may be genetically unstable (B) Clone may be infertile
(C) Clone karyotype may be altered (D) All of the choices are correct


Q:17: A flagellated motile sperm fertilizing a non-motile egg, this syngamy is called


(A) Isogamy (B) Anisogamy
(C) Oogamy (D) All of the choices are correct


Q:18: A type of syngamy in which both fusing gametes are flagellated but different in size are known as


(A) Isogamy (B) Anisogamy
(C) Oogamy (D) All of the choices are correct


Q:19: A type of syngamy in which both fusing gametes are flagellated and same in size are known as


(A) Isogamy (B) Anisogamy
(C) Oogamy (D) All of the choices are correct


Q:20: In gymnosperms the main plant is diploid and


(A) Hompsporous (B) Heterosporous
(C) Microsporous (D) Megasporous


Q:21: In gymnosperms female gametophyte consists of


(A) Pollen tube (B) Microspore
(C) 2 to 5 Archegonia (D) Both B and C


Q:22: In gymnosperms male gametophyte develops from


(A) Microspore (B) Megaspore
(C) Embryo sac (D) Synergids


Q:23: In gymnosperms male gametophyte consists of


(A) Archegonia (B) Megaspore mother cell
(C) Pollen tube (D) Ovule


Q:24: In angiosperms ________________ gives rise seed after fertilization.


(A) Microsporangium (B) Pollen tube
(C) Mega sporangium (D) None of these


Q:25: In gymnosperms and angiosperms, the egg is produced in a female structure called


(A) A seed (B) A stamen
(C) An ovule (D) A pollen grain

Q:26: If someone gives you a plant and tells you that it is an angiosperm, you know that
during its life cycle it will produce


(A) Swimming sperm (B) A prothallus
(C) Flowers (D) Cones


Q:27: The transfer of pollen grains to the female part of the plant is called


(A) Germination (B) Reproduction
(C) Pollination (D) Fertilization


Q:28: The production of new plants from underground stems is an example of __________ reproduction


(A) Two parents (B) Asexual
(C) Zygote (D) Sexual


Q:29: Which one of the following is the male reproductive part of a flower


(A) Stamen (B) Sepal
(C) Petal (D) Pistils


Q:30: In seed plants, sperm travel down a(n) __________ to reach the egg


(A) Stigma tube (B) Ovule tube
(C) Pollen tube (D) Stamen tube


Q:31: A carpel is a leaf which has been modified to produce


(A) Microsporania (B) 2 male gametes
(C) Pollen grains (D) Ovules


Q:32: The stamens are leaves modified for the production of


(A) Microspores (B) Megaspores
(C) Ovules (D) Seed


Q:33: The sepals and petals are


(A) Reproductive parts of flower (B) Non-reproductive parts of flower
(C) Parts of Gametophyte (D) Both A and C


Q:34: The ovule contain


(A) Microsporangium (B) Male gametophyte
(C) Embryo sac (D) All A, B and C


Q:35: The unisexual flowers are called


(A) Staminate (B) Carpellate
(C) Both A and B (D) Monoecious


Q:36: If staminate and carpellate flowers are present on same plant it is termed as


(A) Monoecious (B) Dioecious
(C) Unisexual (D) Neuter


Q:37: Date palms are


(A) Dioecious (B) Monoecious
(C) Neuter (D) Biexual


Q:38: In Angiosperms, double fertilization produces two distinct portions of the seed. The endosperm portion's role is to


(A) Develop into the embryo (B) Nourish the embryo
(C) Develop into the mature sperm (D) Serve as a reservoir for extra DNA


Q:39: Each of the following is a part of a seed Except the


(A) Embryo (B) Endosperm
(C) Seed-coat (D) Gametophyte

Q:40: The mature female gametophyte of an angiosperm is


(A) The archegonium and its egg cell (B) The ovule inside the ovary
(C) The carpel after pollination (D) An embryo sac with 8 nuclei & 7 cells


Q:41: The _______________ ultimately matures into a fruit.


(A) Integument (B) Ovary
(C) Archegonium (D) Ovule


Q:42: Which of the following is part of the third whorl?


(A) Calyx (B) Corolla
(C) Petal (D) Stamen


Q:43: Which of the following is formed in the double fertilization and becomes an endosperm?


(A) Synergid cells (B) Antipodal cells
(C) Primary endosperm nucleus (D) Triploid (3n) nucleus


Q:44: A pollen grain is a


(A) Immature male gametophyte (B) Spore
(C) Fruiting body (D) Mature male gametophyte


Q:45: In plants, spores are formed by 1 , whereas gametes are formed by 2 .


(A) 1-meiosis, 2-mitosis (B) 1-fission, 2-fusion
(C) 1-meiosis, 2-meiosis (D) 1-mitosis, 2-mitosis


Q:46: From life cycle point of view the most important part of a plant is


(A) Flower (B) Leaf
(C) Stem (D) Root


Q:47: The main embryo develops from the structure formed as result of fusion of


(A) 2 polar nuclei of embryo sac (B) Definitive nucleus and male gamete
(C) Egg cell and male gamete (D) Male gamete and synergids


Q:48: The fertilization occurs in


(A) Ovary (B) Ovule
(C) Embryo sac (D) Nucellus


Q:49: The part of embryo just below the cotyledons that terminates into radicle is called


(A) Epicotyl (B) Hypocotyl
(C) Plumule (D) None of these


Q:50: The part of embryo just above the cotyledons that terminates into plumule is called


(A) Epicotyl (B) Hypocotyl
(C) Radicle (D) Coleorhiza


Q:51: A protective sheath surrounding the plumule is


(A) Coleoptile (B) Coleorhiza
(C) Cotyledon (D) Scutellum


Q:52: A protective sheath surrounding the radicle is


(A) Coleoptile (B) Coleorhiza
(C) Cotyledon (D) Scutellum


Q:53: Single large shield shaped cotyledon of monocot seed is called


(A) Coleoptile (B) Coleorhiza
(C) Cotyledon (D) Scutellum


Q:54: It is defined as a cluster of flowers, arising from the main stem axis or peduncle


(A) Inflorescence (B) Phosphorescence
(C) Luminescence (D) Senescence


Q:55: Which type of inflorescence is shown in the following diagram?











(A) Corymb (B) Umbel
(C) Raceme (D) Spike



Q:56: In ______________ inflorescence flowers develop into acropetal succession?


(A) Racemose (B) Cymose
(C) Dichasial cyme (D) Scorpioid cyme


Q:57: In which type of inflorescence flowers are covered by large bracts called spathes


(A) Spike (B) Spadix
(C) Capitulum (D) Spikelet


Q:58: A(an) ______________ is type of recemose inflorescence with a short axis and multiple floral pedicels of equal length that appear to arise from a common point.


(A) Corymb (B) Umbel
(C) Raceme (D) Spike


Q:59: A type of uniparous cyme in which succeeding branches are produced on same side is termed is


(A) Helicoid cyme (B) Scorpioid cyme
(C) Dichasial cyme (D) None of these


Q:60: A type of uniparous cyme in which succeeding branches are produced on alternate sides is termed is


(A) Helicoid cyme (B) Scorpioid cyme
(C) Dichasial cyme (D) None of these


Q:61: It is type of recemose inflorescence that is flat-topped or convex because the outer pedicels are progressively longer than the inner ones.


(A) Corymb (B) Capitulum
(C) Spadix (D) Spike


Q:62: For breaking seed dormancy _____________ is required?


(A) Water (B) Suitable temperature
(C) Both A and B (D) None of these


Q:63: The process in which fruit develops without fertilization is called


(A) Parthenogenesis (B) Parthenocarpy
(C) Viviparous germination (D) Apomixis


Q:64: The pollen grain consist of


(A) Exine part (B) Intine part
(C) Tube nucleus & generative nucleus (D) All A, B and C


Q:65: Hypogeal germination takes place due to rapid growth of


(A) Epicotyl (B) Hypocotyl
(C) Cotyledon (D) All A. B and C

Q:66: Epigeal germination takes place due to rapid growth of


(A) Epicotyl (B) Hypocotyl
(C) Cotyledon (D) All A. B and C


Q:67: A special type of reproduction in which seed starts germination inside fruit is


(A) Epigeal germination (B) Hypogeal germination
(C) Viviparous germination (D) All choices are correct


Q:68: The first organ to emerge from the germinating seed is


(A) Radicle (B) Plumule
(C) Cotyledon (D) Epicotyl


Q:69: Promotion of flowering by cold treatment given to imbibed seeds or young plants is known as


(A) Parthenocarpy (B) Parthenogenesis
(C) Apomixis (D) Vernalization


Q:70: Spinach is


(A) Long day plant (B) Short day plant
(C) Day neutral plant (D) None of these


Q:71: Phytochrome exist in two forms i.e. P660 and


(A) P307 (B) P370
(C) P703 (D) P730


Q:72: Phytochrome comprises a pigment and a


(A) Lipid (B) Carbohydrate
(C) Mineral (D) Protein


Q:73: It has been found that red light promotes flowering in _________________ plants



(A) Long day (B) Short day
(C) Neutral day (D) None of these


Q:74: The hormone florigen is produced in


(A) Leaves (B) Flower
(C) Stem (D) Roots


Q:75: A form of asexual reproduction in which new individual grows out as small
out growth and eventually separates from parent body is called


(A) Forming a spore (B) Budding
(C) Regeneration (D) Fission


Q:76: Reproduction of egg without fertilization by sperm is termed as


(A) Parthenogenesis (B) Parthenocarpy
(C) Regeneration (D) Budding


Q:77: The technique of producing a genetically identical copy of an organism by replacing the nucleus of an unfertilized ovum with the nucleus of a body cell from the organism is


(A) Budding (B) Cloning
(C) Parthenocarpy (D) Fission


Q:78: Fraternal twins


(A) Can be only two boys (B) Can be only two girls
(C) Can not be one boy and one girl (D) Can be one boy and one girl


Q:79: Sexual reproduction is important to avoid


(A) Variation (B) Chances of survival
(C) Genetic monotony (D) All A, B and C


Q:80: Which of the following cell type is haploid?


(A) Primary spermatocyte (B) Spermatogonium
(C) Sertoli cell (D) Secondary spermatocyte


Q:81: Spermatogenesis and oogenesis both involve


(A) Mitosis only (B) Meiosis only
(C) Both mitosis and meiosis (D) All a, b and c are incorrect


Q:82: After meiosis, the __________ differentiates into the mature sperm.


(A) Primary spermatocyte (B) Spermatid
(C) Secondary spermatocyte (D) Spermatogonium


Q:83: The animals which lay eggs are called


(A) Oviparous (B) Viviparous
(C) Dioecious (D) Neuter


Q:84: In terrestrial conditions which type fertilization is more common


(A) External (B) Internal
(C) Self (D) None of these


Q:85: In mammalian males, the reproductive and excretory system share the same


(A) Ureter (B) Vas defrens
(C) Urinary bladder (D) Urethra


Q:86: External Male genitalia are


(A) Vasa efferentia and Penis (B) Seminiferous tubules and Penis
(C) Scrotum and Penis (D) None of these


Q:87: Human testes are packed with about ______ seminiferous tubules which produce about _____ million sperms every day.


(A) 200, 20 (B) 300, 40
(C) 500, 30 (D) 500,10


Q:88: Three sets of glands secrete fluids which combine with the sperm to form


(A) Interstitial fluid (B) Semen
(C) Amniotic fluid (D) Both A and B


Q:89: A human female has around ____________ oocytes in each of her ovary.


(A) 30.000 (B) 200,000
(C) 300,000 (D) 20,000


Q:90: Fertilization of human eggs most often takes place in the


(A) Ovary (B) Uterus
(C) Oviduct (Fallopian tube) (D) Cervix


Q:91: In human female only one ovum is usually discharged from the ovary at one time it is called


(A) Parturition (B) Menstruation
(C) Ovulation (D) Implantation


Q:92: The uterus opens into the ________________ through cervix.


(A) Fallopian tube (B) Urethra
(C) Vagina (D) All of the choices are correct


Q:93: The follicle cells, after release of the egg, are modified to form a special structure called


(A) Endometrium (B) Perimetrium
(C) Graffian follicle (D) Corpus luteum


Q:94: In mammals that are seasonal breeders, females are receptive only once a year. This is called


(A) A follicular cycle (B) An estrous cycle
(C) A menstrual cycle (D) A luteal cycle


Q:95: The lining or inner layer of the uterus is called the _______________.


(A) Myometrium (B) Perimetrium
(C) Endometrium (D) Both A and C.


Q:96: What event occurs in the menstrual cycle when the level of progesterone decline


(A) Ovulation (B) Beginning of menses
(C) Formation of corpus luteum (D) Maturation of ovarian follicle


Q:97: _______ is produced mainly by the
corpus luteum in the ovary following ovulation


(A) Progesterone (B) Follicle stimulating hormone
(C) Luteinizing hormone (D) Chorionic gonadotrphic hormone


Q:98: From which of the following structures is the secondary oocyte ovulated?


(A) Corpus luteum (B) Graffian follicle
(C) Primary follicle (D) Germinal epithelium


Q:99: The process by which ___________ becomes embedded in Endometrium is called ________________.


(A) Morula, parturition (B) Blastocyst, parturition
(C) Blastocyst, implantation (D) Morula, implantation


Q:100: : ____________________ controls the release of milk form the mammary glands.


(A) Oxytocin (B) Follicle stimulating hormone
(C) Luteinizing hormone (D) None of these


Q:101: An egg fertilized in the laboratory and then implanted in the uterus for development is called


(A) Cloning (B) Test tube baby
(C) Both A and B (D) In vivo fertilization


Q:102: The period starting from conception up to the birth of baby is called


(A) Implantation period (B) Gestation period
(C) Extra uterine period (D) Imprinting period


Q:103: Menopause in female comes at the age of


(A) 30 to 40 years (B) 45 to 50 years
(C) 60 to 65 years (D) 70 years


Q:104: This hormone from the hypothalamus stimulates release of FSH from the anterior pituitary


(A) Gonadotropin (B) Oxytocin
(C) Luteinizing hormone (D) Progesterone


Q:105: Sexually transmitted disease (STD) caused by Treponema pallidum is


(A) Syphilis (B) Genital herpes
(C) Gonorrhea (D) AIDS


Q:106: Genital herpes is type of STD caused by


(A) A bacterium (B) A sporozoan
(C) A virus (D) A fungus


Q:107: If the egg is not fertilized, _____________________ occurs


(A) Menstruation (B) Pregnancy
(C) Implantation (D) All A, B and C


Q:108: It is a tube that connects a developing embryo or fetus to the placenta.


(A) Amnion (B) Chorionic Villum
(C) Umbilical cord (D) Allantois


Q:109: Gonorrhea is


(A) Bacterial disease (B) Viral disease
(C) Protozoanal disease (D) Fungal disease


Q:110: Infertility is overcome by a technique known as


(A) In vitro fertilization (B) In vivo fertilization
(C) Both A and B (D) None of these


Q:111: The tissue attaching the embryo to the wall of uterus is


(A) Graffian follicle (B) Corpus luteum
(C) Placenta (D) All choices are incorrect


Q:112: This hormone would be at an increased level in a mother who is breast feeding


(A) Thyroxine (B) Prolactin
(C) Aldosterone (D) Insulin


Q:113: The contractions of the muscles of uterus during parturition are stimulated by


(A) Prolactin (B) GnRH
(C) FSH (D) Oxytocin


Q:114: During females fertile years only about ___________ oocytes develop into mature eggs.


(A) 20,000 (B) 250,000
(C) 300,000 (D) 450


Q:115: Which hormone stimulates process of ovulation


(A) Prolactin (B) LH
(C) FSH (D) Oxytocin





Answer Key:








1. A
2. D
3. D
4. D
5. C
6. A
7. C
8. C
9. B
10. A
11. B
12.D
13. A
14. B
15. C
16. D
17. C
18. B
19. A
20.B
21. C
22. A
23. C
24. C
25.C
26. C
27. C
28. B
29. A
30. C
31. D
32. A
33. B
34. C
35. C
36. A
37. A
38. B
39.D
40.D
41. B
42. D
43. D
44. A
45. A
46. A
47. C
48. C
49. B
50. A
51. A
52. B
53.D
54. A
55. D
56. A
57. B
58. B
59. A
60. B
61. A
62. C
63. A
64. D
65. A
66. B
67. C
68. A
69. D
70. A
71. D
72. D
73. A
74. A
75. B
76. A
77. B
78. D
79. C
80. D
81. C
82. B
83. A
84. B
85. D
86. C
87. C
88. B
89. B
90.C
91. C
92.C
93. D
94. B
95. C
96. B
97. A
98.B
99.C
100.A
101. B
102.B
103.B
104. A
105.A
106.C
107.A
108. C
109.A
110. A
111. C
112.B
113.D
114.D
115.B


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