Q.1.
ion 92 Perisperm is remnants of nucellus in some seeds that is found in:
-
27%
a) Maize and sugarcane
-
18%
b) Mango and sunflower
-
18%
c) Barely and coconut
-
36%
d) Beet and black pepper
Q.2.
ion 93 Select the wrong pair:
-
14%
a) Stomium of endothecium – Dehiscence of anther
-
36%
b) Pollinium – Calotropis
-
0%
c) Epihydrophily – Vallisneria
-
50%
d) Castor – Dioecious plant
Q.3.
ion 94 On the assumption that plant is dioecious or bisexual and dichogamous, the type of pollination possible for the plant is:
-
20%
a) Autogamy
-
33%
b) Geitonogamy
-
13%
c) Xenogamy
-
33%
d) Homogamy
Q.4.
ion 95 . In the anther wall:
-
14%
a) Tapetum lies between endothecium and middle layers
-
14%
b) Tapetum lies just inner to the endothecium
-
71%
c) Middle layers lies between endothecium and tapetum
-
0%
d) Endothecium lies inner to the middle layers
Q.5.
ion 96 Fibrous thickenings of endothecium is due to:
-
46%
a) α – cellulosic fibres
-
23%
b) Sclerenchyma
-
15%
c) Pectin
-
15%
d) Lignin
Q.6.
ion 97 Sporopollenin is:
-
30%
a) Polymer of cellulose produced by invasive tapetum
-
30%
b) Polymer of cellulose produced by endothecium
-
40%
c) Polymer of carotenoids produced by glandular tapetum
-
0%
d) Polymer of glycan produced by stomium
Q.7.
on 144 The plant shown in the figure shows which type of pollination
-
83%
a) Wind
-
8%
b) Water
-
8%
c) Insect
-
0%
d) Bat
Q.8.
ion 98 Which among the following are endospermous seeds? (i) Orchids. (ii) Castor. (iii) Coconut. (iv) Maize. (v) Pea. (vi) Soyabean. (vii) Paddy.
-
67%
a) (i), (iii), (iv) and (vii)
-
8%
b) (ii), (v) and (vi)
-
17%
c) (ii), (iii), (iv) and (vii)
-
8%
d) (i), (v) and (vi)
Q.9.
ion 99 Common type of angiospermic embryo sac is:
-
67%
a) Monosporic and 8 nucleated
-
0%
b) Bisporic and 8 nucleated
-
33%
c) Tetrasporic and 8 nucleated
-
0%
d) Tetrasporic and 16 nucleated
Q.10.
on 100 Given below are the following statements: (i) Autogamy and geitonogamy causes inbreeding depression. (ii) Filiform apparatus guides the entry of pollen tube into the embryo sac. (iii) The coconut water from tender coconut is free nuclear endosperm. (iv) Male gametes are formed by generative cell through mitosis. (v) Water hyacinth is pollinated by water. How many statements are true
-
22%
a) 2
-
11%
b) 3
-
56%
c) 4
-
11%
d) 5
Q.11.
on 101 . In a flowering plant, archesporium gives rise to:
-
70%
a) Both anther walls and Sporogenous tissue
-
0%
b) Only the wall of sporangium
-
30%
c) Only Sporogenous cell
-
0%
d) Middle layers and tapetum
Q.12.
on 102 In what percent of angiosperms are the pollen grains shed at three cell stage?
-
22%
a) 20
-
56%
b) 40
-
22%
c) 60
-
0%
d) 80
Q.13.
on 103 Which of the following options is correct?
-
12%
a) Pollination gives the guarantee of the promotion of post-pollination events that lead to fertilization
-
50%
b) The events – “from pollen deposition on stigma until pollen tubes enter the ovule" are together referred to as pollen-pistil interaction
-
38%
c) Pollen-pistil interaction is a dynamic process involving pollen recognition followed by only promotion (not rejection) of the pollen
-
0%
d) Pistil has no ability to recognize the pollen, whether right or wrong type
Q.14.
on 104 ______ during embryo development push he embryo deeper into the endosperm:
-
0%
a) Octan
-
75%
b) Suspensor
-
25%
c) Tigellum
-
0%
d) Scutellum
Q.15.
on 105 Identify (a) and (b) and choose the correct option
-
29%
a) (a) - Multicarpellary syncarpous pistil – Michelia, (b) – Multicarpellary apocarpous gynoecium – Papaver
-
29%
b) (a) – Multicarpellary apocarpous gynoecium – Michelia, (b) – Multicarpellary syncarpous pistil – Papaver
-
43%
c) (a) - Multicarpellary syncarpous pistil – Papaver, (b) – Multicarpellary apocarpous gynoecium – Michelia
-
0%
d) (a) – Multicarpellary apocarpous gynoecium – Papaver, (b) – Multicarpellary syncarpous pistil – Michelia
Q.16.
on 106 Consider the following statements: (i) Horse shoe shaped embryo sac is found in amphitropous ovule which is found in Mirabilis. (ii) In Oenothera, functional megaspore is developed from Micropyle. (iii) Synergids are absent in Plumbago. (iv) Cleistogamous flowers are geocarpic. (v) In eucalyptus, pollination takes place by wind. Of the above statements:
-
0%
a) Only (ii) is true
-
12%
b) Both (i) and (iii) are false
-
25%
c) Only (iv) and (v) are true
-
62%
d) All except (v) are true
Q.17.
on 107 Assertion: Obturators are filamentous structures which help to guide the pollen tube towards the ovary. Reason: Obturators are characteristics of funicle.
-
33%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
17%
b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion
-
0%
c) Assertion is true but Reason is false
-
50%
d) Both Assertion and Reason are false
Q.18.
on 108 Plant embryo is a mass of -
-
33%
a) cells
-
33%
b) Uncertain tissue
-
17%
c) Collection of plant tissues
-
17%
d) Miniature plant
Q.19.
on 109 Development of male gametophyte begins
-
0%
a) After pollination
-
100%
b) Before pollination
-
0%
c) On the stigma
-
0%
d) In the embryo sac
Q.20.
on 110 The opposite end of the micropylar region of an ovule is called
-
0%
a) Embryo sac
-
0%
b) Nucellus
-
100%
c) Chalaza
-
0%
d) Thalamus
Q.21.
on 111 The microsporangium and Megasporangium in an angiosperm is functionally equivalent to:
-
17%
a) Anther locule and embryo sac
-
17%
b) Anther and ovary
-
50%
c) Anther locule and ovules
-
17%
d) Stamen and ovary
Q.22.
on 112 The ovule found inside the ovary can be best described as:
-
0%
a) Integumented microsporangia
-
67%
b) Integumented megasporangia
-
0%
c) Integumented male gametophyte
-
33%
d) Integumented female gametophyte
Q.23.
on 113 Which of the following is false regarding Vallisneria? (i) Produce bisexual flowers. (ii) Epihydrophily. (iii) Monocot. (iv) Produce non – endospermic seeds. (v) Cellular endosperm.
-
33%
a) All except (ii)
-
33%
b) (i) and (v) only
-
33%
c) All except (ii) and (iii)
-
0%
d) (i), (ii), (iv) and (v)
Q.24.
on 114 Monothecous anther is feature of:
-
80%
a) China rose
-
20%
b) Mustard
-
0%
c) Sunflower
-
0%
d) Citrus
Q.25.
on 115 In most of the water pollinated species, pollen grains are protected from wetting by:
-
29%
a) Pollen kit
-
57%
b) Mucilaginous covering
-
14%
c) Spiny exine
-
0%
d) None of the above
Q.26.
on 116 Which among the following statements is false?
-
0%
a) The cells of the tapetum possess dense cytoplasm and more than one nucleus
-
0%
b) In gymnosperms, pteridophytes and angiosperms, the parental body is diploid and produced haploid gametes by meiosis
-
80%
c) In haploid organisms, the meiocyte or gamete mother cell undergoes meiosis to form haploid gametes
-
20%
d) Egg apparatus is situated in the embryo sac towards the micropylar end
Q.27.
on 117 Which of the following statement is not correct?
-
40%
a) Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style
-
40%
b) Insects which consume pollen grains or nectars without bringing about pollination are called pollen robbers
-
20%
c) Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil
-
0%
d) Some reptiles have also been reported as pollinators in some species of plants
Q.28.
on 118 Which of these characters favour Entemophily? I. Flowers are usually large, colourful, and fragrant. II. Pollen grains are produced in large number III. Pollen grains are light in weight and non-sticky IV. Sticky pollen grains V. Stigma inserted and sticky VI. Edible pollen grains and nectar.
-
50%
a) II, IV, V
-
0%
b) I, II, III, VI
-
0%
c) III, IV, V
-
50%
d) I, IV, V, VI
Q.29.
on 119 The teni-nucellate ovule has:
-
60%
a) Small amount of nucellus
-
20%
b) Large amount of nucellus
-
0%
c) Chalazal nucellus
-
20%
d) Micropyle nucellus
Q.30.
on 120 Which among the following sentence is not correct about male Gametogenesis and female Gametogenesis? (i) Male gametogenesis initiated in the microsporangium and is completed in the stigma of carpel in most of the flowers. (ii) During male gametogenesis there are three mitosis. (iii) Female gametogenesis initiated as well as completed in the Megasporangium. (iv) During female gametogenesis there are two mitosis. (v) Gametogenesis starts from the respective spores which are formed in the gametophyte.
-
0%
a) (i) and (ii)
-
75%
b) (ii), (iv) and (v)
-
25%
c) (iv) and (v)
-
0%
d) (i), (ii) and (v)
Q.31.
on 121 In case of plant breeding, cross hybridisation is a time consuming and tedious process because:
-
40%
a) Pre – existing genetic variability is collected from wild varieties, species and relative of the cultivated crop species
-
0%
b) It involves the selection of plants among the progeny of the hybrids with desired combination of characters
-
40%
c) It involves the emasculation and bagging techniques to transfer desired pollen grains to a desired plant
-
20%
d) Both (A) and (B)
Q.32.
on 122 Polyploid condition of tapetum is due to:
-
80%
a) Free nuclear mitosis
-
20%
b) Endomitosis
-
0%
c) Meiosis
-
0%
d) Mitosis
Q.33.
on 123 Which of the following is true regarding self incompatibility? (i) The inability of certain gametes even from genetically similar plant species to fuse with each other. (ii) Occurs due to genotype of stigma only. (iii) Occurs due to genotype of pollen only.
-
20%
a) (i) only
-
40%
b) (ii) only
-
0%
c) (iii) only
-
40%
d) (i) and (iii)
Q.34.
on 124 How many meiosis and mitosis are requires for the formation of a male gametophyte from a pollen mother/microspore mother cells?
-
25%
a) 2 meiosis and 2 mitosis
-
25%
b) 1 meiosis and 1 mitosis
-
25%
c) 1 meiosis and 3 mitosis
-
25%
d) 1 meiosis and 2 mitosis
Q.35.
on 125 Milky water of coconut is:
-
0%
a) Liquid nucellus
-
0%
b) Liquid female gametophyte
-
100%
c) Liquid endosperm
-
0%
d) Liquid chalaza
Q.36.
on 126 Which of the following adaptations for cross pollination is paired wrong?
-
20%
a) Herkogamy – Self pollination is prevented by relative position of stamens and styles
-
60%
b) Self incompatibility – The pollen grains of a flower has no effect on its stigma
-
0%
c) Heterostyly – Flowers with different lengths of stamen and style
-
20%
d) Dichogamy – Androecium and gynoecium mature at a different time
Q.37.
on 127 A typical anther is dithecous which means that it is:
-
60%
a) One lobed and the lobe has two theca
-
20%
b) Two lobed and each lobe has one theca
-
0%
c) Two lobed and each lobe has one theca
-
20%
d) Four lobed and each lobe has two theca
Q.38.
on 128 . Which of the following involves comparatively greater wastage of pollens?
-
75%
a) Anemophily
-
0%
b) Entemophily
-
25%
c) Ornithophily
-
0%
d) Hydrophily
Q.39.
on 129 The fully formed male gametophyte of angiosperms contains:
-
0%
a) One generative cell, one tube cell and one body cell
-
40%
b) One generative cell, one tube cell and one stalk cell
-
0%
c) One tube nucleus, one vegetative cell and one generative cell
-
60%
d) One vegetative nucleus and two male gametes
Q.40.
on 130 Arrange the following terms in the correct order of the developmental sequence of male gamete formation in plants:
-
75%
a) Sporogenous cell → Pollen mother cell → Microspore tetrad → Pollen grains → male gametes
-
25%
b) Pollen mother cell → Sporogenous cell → Pollen grains → male gametes → Microspore tetrad
-
0%
c) Sporogenous cell → Pollen grains → male gametes → Microspore tetrad → Pollen mother cell
-
0%
d) male gametes → Pollen mother cell → Microspore tetrad → Pollen grains → Sporogenous cell
Q.41.
on 131 Consider the following statements: (i) Bacculum is the outermost surface of exine. (ii) Tricolpate pollen grains are found in dicots. (iii) Isobilateral pollen grains are commonly found in monocots. (iv) Mature male gametophyte possess three cells. Of the above statements:
-
25%
a) All the statements are true
-
25%
b) All statements are false
-
50%
c) Only (i) is false
-
0%
d) All except (iii) are false
Q.42.
on 132 In angiosperm the endosperm nucleus is
-
67%
a) Triploid
-
33%
b) Diploid
-
0%
c) Tetraploid
-
0%
d) Haploid
Q.43.
on 133 The larger cell of a pollen grain with irregular shaped nucleus is
-
0%
a) Apical cell
-
0%
b) Generative cell
-
50%
c) Vegetative cell
-
50%
d) Basal cell
Q.44.
on 134 Most of the angiospermic flowers has anther which is:
-
0%
a) Monothecous and bisporangiate
-
33%
b) Monothecous and tetrasporangiate
-
0%
c) Dithecous and bisporangiate
-
67%
d) Dithecous and tetrasporangiate
Q.45.
on 135 Assertion: Not all fruits are fertilized ovary. Reason: All types of fruits are having the presence of one to many seeds.
-
0%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
67%
b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion
-
33%
c) Assertion is true but Reason is false
-
0%
d) Both Assertion and Reason are false
Q.46.
on 136 How many pollen tetrads will be formed from 100 microspore mother cells?
-
0%
a) 100
-
0%
b) 200
-
100%
c) 400
-
0%
d) 800
Q.47.
on 137 After culturing the anther of a plant, few diploid plants were got along with haploid plant. Which of the following part might have given rise to diploid plant?
-
33%
a) Vegetative cells of pollen
-
0%
b) Exine of pollen wall
-
0%
c) Cells of anther wall
-
67%
d) Generative cell of pollen
Q.48.
on 138 Pollinating agent in Ficus is:
-
0%
a) Wasp
-
0%
b) Gall insect
-
50%
c) Moth
-
50%
d) Both A and B
Q.49.
on 147 Consider the following statements with respect to flowering plants: (i) The pollen grains represent the male gamete. (ii) The functional megaspore develops into the embryo sac represent the female gamete. (iii) Transfer of pollen grains from anther to stigma of different plant is termed as Xenogamy. (iv) Transfer of pollen grains from anther to stigma of another flower of the same plant is known as geitonogamy. (v) Water pollinated plants have mucilage covering over pollen grains. Of the above statements:
-
50%
a) (i) and (ii) alone are correct
-
0%
b) (i) and (v) alone are correct
-
50%
c) (iii), (iv) and (v) alone are correct
-
0%
d) All the statements are correct
Q.50.
on 148 Epicotyl has a shoot apex and a few leaf primordial enclosed in a hollow foliar structure called as the:
-
50%
a) Coleoptile
-
25%
b) Coleorhiza
-
0%
c) Scutellum
-
25%
d) Perisperm