Monday, October 14, 2013

MORPHOLOGY OF FLOWERING PLANTS


1.    Root hairs are
    1) Endogenous    2) multicellular
    3) Exogenous    4) protected by root cap
2.    Hanging structures in banyan tree are
    1) Storage roots     2) Stilt roots
    3) Pneumatophores
    4) Prop roots
3.    Underground stem in strawberry
    1) helps in climbing
    2) stores food
    3) perform photosynthesis
    4) helps in vegetative propagation
4.    Pulvinus leafbase is present in the leaves of
    1) Xerophytes    2) Grasses
    3) Legumes    4) monocots
5.    Phyllotaxy is whorled in
    1) Hibiscus    2) guava
    3) Alstonia    4) sunflower
6.    Vexillary aestivation of corolla is found in
    1) Pisum    2) Cucubita
    3) Ipomoea    4) Zea
7.    In angiosperms, pollengrain is the first cell of
    1) Ovule   
    2) Female gametophyte
    3) Male gametophyte
    4) Pollen sac
8.    The floral formual % is applicable to
    1) Pisum    2) Potato
    3) Cotton    4) Garlic
9.    Rhizome differs from root in
    1) presence of chlorophyll
    2) presence of scale leaves and buds
    3) underground position
    4) vertical growth in the soil
10.    Epigynous flower is
    1) with superior ovary
    2) in guava, cucumber
    3) in mustard, brinjal
    4) with perigynous ovary
11.    Scape develop is seen in
    1) Liliaceae    2) Palmaceae
    3) Graminae    4) Cruciferae
12.    Negative geotrpism is shown by the modified roots of
    1) Orchids    2) Ficus
    3) Rhizophora    4) Trapa bispinosa
13.    Root hairs are absent in the roots of
    1) Epiphytes    2) Parasites
    3) Xerophytes    4) a and b
14.    Which is not a root?
    1) carrot    2) Sugarbeet
    3) Radish    4) Potato
15.    Mycorrhizae are symbiotic association between
    1) fungi and fungi
    2) fungi and roots of higher plants
    3) fungi adn bacteria
    4) bacteria and roots of higher plants or trees
16.    Partial root parasite is
    1) Viscum    2) Cuscuta
    3) Santalum album    4) Loranthus
17.    A modified stem that performs photosynthesis is
    1) Bulbil    2) Cladode
    3) Corm    4) Stem tuber
18.    Food present in bulbs of onion and garlic occurs in
    1) petiole    2) stem
    3) leaf bases    4) lamina
19.    In Gloriosa (Glory lily), the tendrillar part is formed by
    1) stipule    2) leaf apex
    3) leaf petiole    4) axillary bud
20.    Phyllode is formed from seconary rachii in
                ( NEET )
    1) Ruscus    2) Lemna
    3) Parkinsonia    4) Asparagus
21.    Rachis is absent in
    1) pinnate compound leaf
    2) palmate compound leaf
    3) decompound leaf
    4) tripinnate leaf
22.    A racemose inflorescence with pedicellate flowers arranged in centripetal order is
    1) Cyathium    2) Umbel
    3) Head    4) Corymb
23.    Zig-zag development of inflorescence axis is an example of
    1) helocoid cyme    2) verticellaster
    3) scorpioid cyme    4) umel
24.    Gall flowers are found in
    1) spadix    2) hypanthodium
    3) catkin    4) capitulum
25.    Cyathium and hypanthodium are similar in having
    1) nectary    2) apical pore
    3) petaloid bracts    4) unisexual flowers
26.    Largest petal in papilionaceous corolla is called
    1) alae    2) vexillum
    3) keel    4) none of these
27.    Beauty of Bougainvillea flower is because of
    1) petals    2) calyx
    3) bracts    4) sepals
28.    In a tetradynamous androecium one of the following is seen
    1) Outer whorl of 4 shorter stamens and inner whorl of 2 longer stamens
    2) Outer whorl of 2 longer stamens and inner whorl of 4 shorter stamens
    3) Outer whorl of 4 longer stamens and inner whorl of 2 shorter stamens
    4) outer whorl of 2 shorter stamens and inner whorl of 4 longer stamens
29.    Which of the following is a true fruit?
    1) tomato    2) fig
    3) apple    4) pear
30.    Which type of fruit is found in rice?
    1) legume    2) caryopsis
    3) drupe    4) berry
31.    A fleshy fruit that develops from inferior ovary is
    1) Hesperidium    2) Drupe
    3) Pome    4) Cypsela
32.    A dry dehiscent fruit with replum is ( NEET )
    1) Capsule    2) Silique
    3) Follicle    4) Legume
33.    Fruit in pineapple is ____ type
    1) Aggregate    2) Sorosis
    3) Syconus    4) False fruit
ASSERTION AND REASON
    1)Both A and R are true, and R is the correct explanation of A
    2) Both A and R are true, and R is not the correct explanation of A
    3) A is true R is false
    4) Both A and R are wrong
34.    A : Opuntia is a Xerophyte
    R : Phylloclade is fleshy in opuntia
35.    A : Loranthus is an incomplete stem parasite
    R : Green leaves and haustoria are present in Loranthus            ( NEET )
36.    A : Stolons are commonly found in shrubs
    R : An underground branch, that grows obliquely upwards and propagates vegetatively is stolon
37.    A : Modified petiole provides mechanical support in clematis
    R : Tendrillar petiole is present in clematis
38.    A : Flowers open in centripetal manner in umbel
    R :  Peduncle is condensed in umbel
39.    A : Rachis is absent in pinnate compound leaves
    R : Leaflets are at the tip of the petiole in pinnate compund leaves
40.    A : In Tamarindus rachis terminates in a pair of leaflets
    R : Rachis branches once in unipinnate compound leaves.
41.    A : Flower is a modified shoot
    R : It contain non essential organs called stamens and carpels in it
42.    A : Roots of Fabacceae plants have nodules
    R : Nodule cells contain leghaemoglobin to protect the Rhizobium bacteria
43.    A : Leaves of Brassica are simple
    R : Lamina of mustard lacks incissions
44.    A : In verticillaster inflorescence first flower is present in Dichasial cyme
    R : Verticillaster inflorescence starts with monochasial scorpioid cyme
45.    A : Calyx of capsicum is acrescent
    R : Its calyx fall of after fertilization
46.    A : In Pyrus malus, false fruit deelops from thalamus
    R : False fruits develop from any part of the flower apart from ovary
47.    A : Floral characters are more stable in classification of plants
    R : Floral characters show great diversity accoding to Environmental conditions
48.    Given below are four diagrams A,B,C & D.  Observe the diagrams and choose the correct set based on type on type of aestivations
      
    1) A-Quincuncial, B-Valvate, C-Imbricate, D-Twisted
    2) A-Descendingly imbricate, B-Valvate, C-Twisted, D-Quincuncial
    3) A-Valvate, B-Quincuncial,C-Ascendingly imbricate, D-Twisted
    4) A-Twisted, B-Valvate, C-Imbricate, D-Quincuncial
49.    To which family does-Atropa belladonna belong?
    1) brassicaceae    2) solanaceae
    3) leguminosae    4) asteraceac
50.    Development of fruit without fertilizations is called
    1) Parthenocarpy    2) Parthenogensis
    3) Cell culture    4) Cell division
51.    ICBN stands for
    1) International Code of Botanical Nomenclature
    2) International Congress of Biological Names
    3) Indian Code of Botanical Nomenclature
    4) Indian Congress of Biologial Names
52.    Nature of fruit depends upon type of
    1) Gynoecium    2) style and stigma
    3) Placentation    4) Pollination
53.    Floral formula  is that of
    1) Tobacco    2) Tulip
    3) Soyabean    4) Sunhemp
54.    In Ruscus, the stem is a
    1) phyllode    2) cladode
    3) offset    4) sucker
55.    Parts of two plants were observed structure A. develops aerially and produces roots when comes in contact with the soil.  Structure B. develops from underground part of the stem, grows obliquely, becomes aerial and produces roots on its lower surface.  Identify, respectively the structures of A and B.
    1) Sucker, stolon    2) Stolon, runner
    3) Stolon, sucker    4) Runner, stolon

key:
    1) 3    2) 4    3) 4    4) 3    5) 3
    6) 1    7) 3    8) 1    9) 2    10) 2
    11) 1    12) 3    13) 4    14) 4    15) 2
    16) 3    17) 2    18) 4    19) 2    20) 3
    21) 2    22) 2    23) 3    24) 2    25) 4
    26) 2    27) 3    28) 4    29) 1    30) 2
    31) 3    32) 2    33) 2    34) 2    35) 1
    36) 3    37) 1    38) 1    39) 4    40) 3
    41) 1    42) 1    43) 2    44) 3    45) 2
    46) 1    47) 3    48) 2    49) 2    50) 1
    51) 2    52) 1    53) 1    54) 2    55) 3

No comments:

ASTHRA JUNIOR COLLEGE , VIJAYAWADA