NEET Biology Chapter Wise Mock Test – Reproduction in Plants
1.Identify the following diagram.
A. Zoospore in Chlamydomonas.
B. Conidia of Penicillium.
C. Buds in Hydra.
D. Gemmules in sponge
All the above are
(a) bodies involved in sexual reproduction
(b) bodies involved in asexual reproduction
(c) bodies of young ones
(d) All of the above are correct
2. Among the terms listed below, those that of are not technically correct names for a floral whorl are
I. androecium II. carpel
III. corolla IV. sepal
(a) I and IV
(b) III and IV
(c) II and IV
(d) I and II
3. In a typical complete, bisexual and hypogynous flower the arrangement of floral whorls on the thalamus from the outermost to the innermost is
(a) calyx, corolla, androecium and gynoecium
(b) calyx, corolla, gynoecium and androecium
(c) gynoecium, androecium, corolla and calyx
(d) androecium, gynoecium, corolla and calyx
4. The term ‘totipotent’ refers to
(a) the cells becoming specialised in structure and function
(b) the partitioning of cellular materials for mitosis
(c) the influence of one tissue on the development of other tissue
(d) a cell containing the full complement of genes
5. Having one cotyledon distinguishes monocot seeds from dicot seeds. Another distinctive feature o monocot is
(a) the nutrients required for germination are stored in the endosperm
(b) the shoot apical meristem is present at the time of germination
(c) the embryonic root is the first organ to penetrate the seed coat
(d) the root apical meristem is protected by a root cap
6. In which one pair both the plants can be vegetatively propagated by leaf pieces?
(a) Bryophyllum and Kalanchoe
(b) Chrysanthemum and Agave
(c) Agave and Kalanchoe
(d) Asparagus and Bryophyllum
7.Anthesis is a phenomenon, which refers to the
(a) reception of pollen by stigma .
(b) formation of pollen
(c) development of anther
(d) opening of flower bud
8. The innermost layer of pollen chamber, which acts as nutritive layer is called
(a) tapetum
(b) endothecium
(c) endothelium
(d) perisperm
9. Ubisch bodies are provided by
(a) exine
(b) pollen kit
(c) tapetum
(d) intine
10. Male gametes in angiosperms are formed by the division of
(a) microspore
(b) generative cell
(c) vegetative cell
(d) microspore mother cell
11. The outermost and innermost wall layers of microsporangium in an anther are respectively
(a) endothecium and tapetum
(b) epidermis and endodermis
(c) epidermis and middle layer
(d) epidermis and tapetum
12. Which one of the following is surrounded by a callose wall?
(a) Microspore mother cell
(b) Male gemete
(c) Egg
(d) Pollen grain
13. Identify the structures marked A to F in-given diagram.
(a) A-Asymmetric nucleus, B-Nucleus, C-Generative cell, D-Vegetative cell, E-Pollen, F-Pollen tetrad
(b) A-Pollen tetrad, B-Pollen, C-Generative cell, D-Vegetative cell, E-Asymmetric spindle, F-Nucleus
(c) A-Pollen tetrad, B-Vacuole, C-Nucleus, D-Asymmetric spindle, E-Vegetative cell, F-Generative cell
(d) A-Vacuole, B-Nucleus, C-Pollen tetrad, D-Vegetative cell, E-Asymmetric spindle, F-Generative cell
14. Which one of the following produces both enzymes and hormones?
(a) Tapetum
(b) Endothecium
(c) Middle layer
(d) Epidermis
15. Tapetum is found in
(a) anther
(b) female gametophyte
(c) male gametophyte
(d) microspore
16. The scutellum of grass embryo is a
(a) vestigial organ
(b) photosynthetic Organ
(c) absorptive organ
(d) reserve food storage organ
17. Most resistant biological material is
(a) lignin
(b) cellulose
(c) suberin
(d) sporopollenin
18. During microsporogenesis, meiosis occurs in
(a) endothecium
(b) microspore mother cells
(c) microspore
(d) pollen grains
19. Genes for cytoplasmic male sterility in plants are generally located in
(a) mitochondrial genome
(b) cytosol
(c) chloroplast genome
(d) nuclear genome
20. After penetrating stigmatic and stylar tissue, the pollen tube usually grows towards egg because
(a) no other path to follow
(b) it grows under the control of egg nucleus
(c) attracted by dissimilar electric charge
(d) the filiform apparatus of synergids is believed to attract the pollen tube
21. In some plants, anthers and stigma grow and mature at same time. This phenomenon is called
(a) homogamy
(b) syngamy
(c) allogamy
(d) fusion
22. The outer wall of a pollen grain is made up of
(a) cellulose
(b) pecto-cellulose
(c) lignin
(d) sporopollenin
23. Germination of pollen grain on the stigma is
(a) autogamy
(b) in vivo germination
(c) in vitro germination
(d) in situ germination
24. In the anther wall
(a) endothecium lies inner to middle layers
(b) middle layer lies between endothecium and tapetum
(c) tapetum lies just inner to endothecium
(d) tapetum lies b^ween endothecium and middle layers
25. The raising of new plants from a plant tissue through tissue culture is%rmed as
(a) micrografting
(b) microprppagation
(c) macroconsumer
(d) macroeconomic
26. From the statements given below choose the option
that are true for a typical female gametophyte of a flowering plant
I. It is 8-nucleate and 7-celled at maturity.
II. It is free-nuclear during the development.
III. It is situated inside the integument but outside the nucellus.
IV. It has an egg apparatus situated at the chalaza lend,
(a) I and IV
(b) II and III
(c) I and II
(d) II and IV
27. From among the sets of terms given below, identify those that are associated with the gynoecium
(a) stigma, ovule, embryo sac, placenta
(b) thalamus, pistil, style, ovule
(c) ovule, ovary, embryo sac, tapetum
(d) ovule, stamen, ovary, embryo sac
28. Which of the following nucleus is unlike other nuclei in the female gametophyte of angiosperms?
(a) Egg nucleus
(b) Nucleus of synergids
(c) Secondary nucleus
(d) Nuclei of antipodals
29. Identify the type of ovary in diagram.
(a) Monocarpellary syncarpous
(b) Monocarpellary apocarpous
(c) Multicarpellary syncarpous
(d) Multicarpellary apocarpous
30. In a flower, if the megaspore mother cell forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac, its nuclei would be
(a) haploid
(b) diploid
(c) a few haploid and a few diploic
(d) with varying ploidy
31. The pollen tube usually enters the embryo sac
(a) between the egg cell and synergid
(b) by directly penetrating the egg
(c) between one synergid and antipodal cell
(d) by knocking off the antipodal cells
32. In oogamy, fertilisation involves
(a) a small non-motile female gamete and a large motile male gamete
(b) a large non-motile female gamete and a small motile male gamete
(c) a large non-motile female gamete and a small non-motile male gamete
(d) a large motile female gamete and a small non-motile male gamete
33. Embryo sac is
(a) megaspore mother cell
(b) megagametophyte
(c) megasporangium
(d) microsporangium
34. Polygonum type (normal type) of embryo sac is
(a) 8-nucleate
(b) 16-nucleate
(c) 24-nucleate
(d) 32-nucleate
35. An ovule, which becomes‘curved so that the nucellus and embryo sac lie at right angles to the funicle is
(a) hemitropous
(b) campylotropous
(c) anatropous
(d) orthotropous
36. In an embryo sac, the cells that degenerate after fertilisation are
(a) synergids and’primary endosperm cell
(b) synergids and antipodals
(c) antipodals and primary endosperm cell
(d) egg and antipodals
37. The functional megaspore undergoes the following simultaneous divisions to form mature embryo sac
(a) three meiosis
(b) two meiosis
(c) three mitosis
(d) two mitosis
38. When the ovule is straight with funiculus, embryo sac,chalaza and micropyle lie in a straight line, it is called
(a) orthotropous
(b) anatropous
(c) campylotropous
(d) amphitropous
39. The arrangement of the nuclei in a normal embryo sac in the dicot plants is
(a) 2+4+2
(b) 3+2+3
(c) 2+3+3
(d) 3+3+2
40. What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?
(a) 16
(b) 24
(c) 32
(d) 8
41. Eight nucleate embryo sacs are
(a) always bisporic
(b) always tetrasporic
(c) always monosporic
(d) sometimes monosporic, sometimes bisporic and sometimes tetrasporic
42. In a fertilised embryo sac, the haploid, diploid and triploid structures are
(a) synergid, zygote and primary endosperm nucleus
(b) synergid, antipodal and polar nuclei
(c) antipodal, synergid and primary endosperm necleus
(d) synergid, polar nuclei and zygote
43. A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by
(a) insects
(b) water
(c) wind
(d) animals
44. Anemophilous type of pollination is found in
(a) Salvia
(b) bottle brush
(c) Vallisneria
(d) coconut
45. From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
(a) Monoecious plant bearing unisexual flowers
(b) Dioecious plant bearing only male or female flowers
(c) Monoecious plant with bisexual flowers
(d) Dioecious plant with bisexual flowers
46. While planning for an artificial hybridisation programme involving dioecious plants, which of the following steps would not be relevant?
(a) Bagging of female flower
(b) Dusting of pollen on stigma
(c) Emasculation
(d) Collection of pollen
47. Plants of which one of the following groups of genera are pollinated by the same agency?
(a) Triticum, Mussanda and Zea mays
(b) Kadam and Cannabis
(c) Salvia and Calotropis
(d) Salvia, Pinus and Ophrys
48. The flowers, which expose their mature anthers pnd stigma to the pollinating agents are called
(a) cleistogamous
(b) autogamous
(c) pseudogamous
(d) chasmogamous
49. Development of embryo sac from any cell of nucellus is called
(a) apogamy
(b) apospory
(c) parthenogenesis
(d) dipiospory
50. Pollination by bats is called
(a) ornithophily
(b) anemophily
(c) malacophily
(d) cheiropterophily
51. A self-fertilising trihybrid plant forms
(a) 8 different gametes and.64 different zygotes
(b) 4 different gametes and 16 different zygotes
(c) 8 different gametes and 16 different zygotes
(d) 8 different gametes and 32 different zygotes
52. Cross-pollination is preferred over self-pollination because
(a) it results in better offspring
(b) the new varieties are formed
(c) it is easy
(d) parthenogenesis can be induced
53. The angiospermic endosperm except in special cases is a triploid (3n) tissue as it is a product of triple fusion involving double fertilisation. It is thus, distinct from the endosperm of gymnosperms and heterosporous pteridophytes, where the endosperm is
(a) diploid before fertilisation
(b) simple haploid (n) tissue of the gametophyte not involving any complication like fusion or fertilisation
(c) polyploid formed after simple fertilisation
(d) haploid formed after fertilisation
54. Double fertilisation is fusion of
(a) two eggs
(b) two eggs and polar nuclei
(c) one male gamete with egg and other with synergid
(d) one male gamete with egg and other with secondary nucleus
55. How many nuclei are involved in double fertilisation?
(a) 2
(b) 3
(c) 4
(d) 5
56. Double fertilisation was discovered by
(a) SG Nawaschin
(b) P Maheshwari
(c) Karl Schnarf
(d) BG L Swamy
57. Double fertilisation involves
(a) fertilisation of the egg by two male gametes
(b) fertilisation of two eggs in the same embryo sac by two sperms brought by one pollen tube
(c) fertilisation of the egg and the central cell by two sperms brought by different pollen tubes
(d) fertilisation of the egg and the central cell by two sperms brought by.the same pollen tube
58. Triple fusion in angiosperm is the fusion of second sperm with
(a) antipodal cell and one synergid cell
(b) two antipodal cells
(c) two synergid cells
(d) two polar fipclei
59. Identify AdoJ in the given diagram.
(a) A-Chalazal end, B-Embryo sac, C-Nuoellus, D-Inner integuments, E-Outer integuments, F-Micropylar pole, G-Micropyle, H-Funicle, l-Hilum
(b) A-Inner integuments, B-Nucellus, C-Embryo sac, D-Chalazal end, E-Hilum, F-Funicle, G-Mlcropyle, Fl-Micropylor end, 1-Outer integuments
(c) A-Hilum, B-Funicle, C-Micropyle, D-Micropylar pole, E-Outer integuments, F-Inner integuments, G-Nucellus, FI-Embryo sac, l-Chalazal pole
(d) A-Micropylar end, B-Micropyle, C-Funicle, D-Hilum, E-Outer integuments, F-tnner integuments, G-Nucellus, FI-Embryo sac, l-Chalazal end
60. Identify the correct modes of entry of pollen tube in the diagrams given below.
(a) A-Mesogamy, B-Chalazogamy, C-Porogamy
(b) A-Chalazogamy, -B-Porogamy, C-Mesogamy
(c) A-Porogamy, B-Chalazogamy, C-Monogamy
(d) A-Porogamy, B-Mesogamy, C-Chalazogamy
61. Out of the seven names given below, find out haploid cells.
I. Antipodal cell II.Egg cell III. Synergid cell IV.Polar nuclei V. Male gamete VI.Nucleaar cell VII. Chalazal cell
(a) I, II, IV, V
(b) II, IV, VI, VII
(c) I, II, III, V
(d) II, IV, III, I
62. Choose the correct statement from the following
(a) cleistogamous flowers always exhibit autogamy
(b) chasmogamous flowers always exhibit geitonogamy
(c) cleistogamous flowers exhibitboth autogamy and geitonogamy
(d) chasmogamous flowers never exhibit autogamy
63. In some ovules, the nucellar epidermis degenerates. Now an integumentary layer becomes distinct with prominent nucellus and dense cytoplasm, called
(a) endostomium
(b) endodermis
(c) endothelium
(d) endothecium
64. The structure, which can show the effect of traits brought by the male gamete immediately after its formation is
(a) embryo
(b) cotyledons
(c) endosperm
(d) plumule
65. A space occurs between nucellus and integument towards micropylar end. It is called
(a) endostome
(b) endothecium
(c) endothelium
(d) endosperm
66. A small spongy structure occurring at the apex of narrow end of the seed of Ricinus communis (castor) is
(a) raphe
(b) caruncle
(c) straphiole
(d) hilum
67. Collar-like outgrowth that arises from the base of the ovule and forms a sort of third integument is called
(a) coma
(b) caruncle
(c) aril
(d) operculum
68. When a growing embryo stops its growth and becomes dormant; a protective covering is formed around it by the cells of
(a) endosperm
(b) integuments
(c) funiculus
(d) embryo sac
69. Through, which cell of the embryo sac, does the pollen tube enter the embryo sac?
(a) Egg cell
(b) Central cell
(c) Persistant synergid
(d) Degenerated synergid
70. Perisperm is remaining part of
(a) endosperm
(b) nucellus
(c) ovule
(d) integument
71. When pollen tube enters through micropyle, it is known as
(a) porogamy
(b) schizogamy
(c) chalazogamy
(d) None of these
72. If ovule is inverted, its body is parallel to funicle and micropyle is near hilum, then it is called
(a) orthotropous
(b) anatropous
(c) amphitropous
(d) campylotropous
73. Coffee plant has chromosome number of 2n in its somatic cells, what is the chromosome number in the edible part of coffee seed?
(a) n
(b) 2n
(c) 3n
(d) 4n
74. Identify A to E in the following diagram.
(a) A-Tapetum, B-Microspore mother cell, C-Middle layer, D-Endothecium, E-Epidermis
(b) A-Epidermis, B-Middle layer, C-Microspore mother cell D-Tapetum, E-Endothecium
(c) A-Middle layer, B-Epidermis, C-Tapetum, D-Microspore mother cell, E-Endothecium
(d) A-Epidermis, B-Endothecium C-Middle layer, D-Microspore mother cell, E-Tapetum
75. Autogamy can occur in a chasmogamous flower if
(a) pollen matures before maturity of ovule
(b) ovules mature before maturity of pollen
(c) both pollen and ovules matures simultaneously
(d) both anther and stigma are of equal lengths
76. Starting from the innermost part the correct sequence of parts in an ovule are
(a) egg, nucellus, embryo sac, integument
(b) egg, embryo sac, nucellus, integument
(c) embryo sac, nucellus, integument, egg
(d) egg, integument, embryo sac, nucellus
77. In a cereal grain, the single cotyledon of embryo is represented by
(a) coleorhiza
(b) scutellum
(c) prophyll
(d) coleoptile
78. If stem has 2n = 10 number of chromosomes than find out
I – Number of chromosome in endosperm.
II – Number of chromosome in egg cell.
III – Number of chromosome in polar nuclei.
(a) 15, 15, 20
(b) 10, 15, 20
(c) 15, 5, 10
(d) 10, 5,15
79. Stalk with, which ovule remains attached to the placenta, is called
(a) funicle
(b) raphe
(c) hijum
(d) chalaza
80. The phenomenon observed in some plants wherein parts of the sexual apparatus is used for forming embryos without fertilisation is called
(a) parthenocarpy
(b) apomixis
(c) vegetative propagation
(d) sexual reproduction
81. The phenomenon wherein, the ovary develops into a, fruit without fertilisation is called
(a) parthenocarpy
(b) apomixis
(c) asexual reproduction
(a) sexual reproduction
82. In a type of apomixis known as adventive embryony, embryos develop directly from the
(a) nucellus or integuments
(b) synergids or antipodals in an embryo sac
(d) accessory embryo sacs in the ovule
(d) zygote
83. Maize grain is
(a) seed
(b) embryo
(c) ovule
(d) fruit
Direction (Q. Nos. 84-86) In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements, mark the correct answer as
(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) If Assertion is true, but Reason is false.
(d) If both Assertion and Reason are false.
84. Assertion 7-celled, 8 nucleate and monosporic embryo sac is called Polygonum type of embryo sac.
Reason It was discovered by Hofmeister for the first time in Polygonum.
85. Assertion Insects visit flower to gather honey.
Reason Attraction of flowers prevents insects from damaging other parts of the plant.
86. Assertion Coconut tree is distributed in coastal areas over a large part of the world.
Reason Coconut fruit can float and get dispersed over thousands of kilometers before losing viability.
87. Match the following columns.
Codes
A B C D A ~B C D
(a) 1 2 3,4 (b) 4 1 2 3
(c) 5 2 1 4 (d) 3 2 1 4
88.Match the following columns.
Codes
A B C D A B C D
(a) 2145 (b) 3 1 2 4
(c) 5 4 2 1 (d) 5 3 1 3
89. Match the following columns.
Codes
A B C D
(a) 2 3 4 1
(b) 2 3 1 4
(c) 3 2 4 1
(d) 3 2 1 4
90. Which one of the following fruits is parthenocarpic?
(a) Brinjal
(b) Apple
(c) Jackfruit
(d) Banana
91. Male gametophyte in angiosperms produces
(a) two sperms and a vegetative cell
(b) single sperm and a vegetative cell
(c) single sperm and two vegetative cells
(d) three sperms
92. Geitonogamy involves
(a) fetilisation of a flower by the pollen from another flower of the same plant
(b) fertilisation of a flower by the pollen from the same flower
(c) fertilisation of a flower by the pollen from a flower of another plant in the same population
(d) fertilisation of a flower by the pollen from a flower of another plant belonging to a distant population
93. Male gametophyte with least number of cells is present in
(a) Pteris
(b) Funaria
(c) Lilium
(d) Pinus
94. An aggregate fruit is one which develops from
(a) multicarpellary syncarpous gynoecium
(b) multicarpellary apocarpous gynoecium
(c) complete inflorescence
(d) multicarpellary superior ovary
95. Pollen tablets are available in the market for
(a) In vitro fertilisation
(b) breeding programmes
(c) supplementing food
(d) Ex situ conservation
96. Function of filiform apparatus is to
(a) recognise the suitable pollen at stigma
(b) stimulate division of generative cell
(c) produce nectar
(d) guide the entry of pollen tube
97. Perisperm differs from endosperm in
(a) having no reserve food
(b) being a diploid tissue
(c) its formation by fusion of secondary nucleus with several sperms
(d) being a haploid tissue
98. Megasporangium is equivalent to
(a) fruit
(b) nucellus
(c) ovule
(d) embryo sac
99. Monoecious plant of Chara shows occurrence of
(a) stamen and carpel of the same plant
(b) upper antheridium and lower oogonium on the same plant
(d) upper oogonium and lower antheridium on the same plant
(d) antheridiophore and archegoniophore on the same plant
100. Advantage of cleistogamy is
(a) more vigorous off spring
(b) no dependence of pollinators
(c) vivipary
(d) higher genetic variability
101. Both, autogamy and geitonogamy are prevented in
(a) papaya
(b) cucumber
(c) castor
(d) maize
102. Which one of the following is a correct statements?
(a) pteridophyte, gametophyte has a protonemal and leafy stage
(b) In gymnosperms, female gametophyte is free-living
(c) Anlheridiophores and archegoniophores are present in pteridophytes
(d) Origin of seed habit can be traced in pteridophytes
103. Even in the absence of pollinating agents seed-setting is assured in
(a) Commellina
(b) Zostera
(c) Salvia
(d) Fig
104. Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tends to be
(a) larger but to have smaller sex organs
(b) larger and to have large sex organs
(c) smaller and to have smaller sex organs
(d) smaller but to have larger sex organs
105. In which one of the following pollination is autogamous?
(a) Xenogamy
(b) Chasmogamy
(c) Cleistogamy
(d) Geitonogamy
106.The polination of two flowers on different plants is known as
(a)xenogamy
(b) geitonogamy
(c)cleistogamy
(d) dichogamy
Answers :