Sunday, April 20, 2014

05-MORPHOLOGY OF FLOWERING PLANTS

1.       Match column -I with column -II and select the correct option from the codes given below
          Column –I                                                           Column-II
          A) Marginal placentation                                   I) Sunflower, marigold
          B) Parietal placentation                                     II) Pea, bean
          C) Axile placentation                                          III) Mustard, Argemone
          D) Free central placentation                              IV) Hibiscus, tomato, lemon
          E) Basal placentation                                         V)  Dianthus, Primrose
                   A    B      C       D      E                                        A    B      C       D      E          
          1)     II     III    IV      V       I                               2)      II   III     I       V      IV
          3)     II      I      III       IV     V                             4)     III    II     IV     V     I
2.  Only one of the following features of inflorescence of Euphorbia also is present in Ficus inflorescence
       1) Pedicellate, achlamydeous flowers                                                        
       2) Cup like involucre of bracts
       3) Tricarpellary syncarpous gynoecium in female flower
       4) Unisexual flowers
3.      Read the given statements
         i) Ovary of the gynoecium occupies the highest position while the other floral parts are situated below it
         ii) Ovary  is superior                                           iii) It is observed in Brassica, Hibiscus, brinjal, etc
         Which condition of flowers is being described by the above statements ?
         1) Hypogyny                   2) Perigyny                   3) Epigyny                    4) Synandry
4.      Match  column - I with  column - II and select the correct option
         A) Thorns                                                            I) Vegetative propagation
         B) Phylloclades                                                    II) Defensive mechanism
         C) Runners                                                          III) Mechanical support
         D) Stilt roots                                                        IV) Absorption of nutrients
         E) Haustoria                                                        V) Photosynthesis
               A     B     C    D     E                                                A     B     C    D     E
         1)   V    IV    III   II    I                                        2)     II     V    II     I     IV
         3)   II    V      I    III   IV                                                                            4)    III    V     I    II     IV
5.      The region of root with exogenous appendages namely root hairs and endogenous appendages namely lateral roots is
         1) Meristematic region    2) Root cap region        3) Maturation region     4) Elongation region
6.       In a genus A modified root become aerial and grows vertically upwards (negatively geotropic) and in a genus B modified adventitious aerial roots grow vertically downwards (positively geotropic). A and B are respectively
          1) Zea mays, Pisum        2) Rhizophora, Ficus    3) Zea mays, Rhizophora     4) Vanda, Rhizophora
7.       Four statements regarding root hairs are given below. Choose the correct one from them
          I) They are unbranched tubular extensions    
          II) They are fine, delicate thread like structures
          III) They are present on tap root and absent in all adventitious roots
          IV) They are uniformly distributed in all regions of root
          1) I & II                          2) II & III                     3) III & IV                    4) I & IV
8.       Match the following
          I) A cluster of storage roots                               A) Raphanus
          II) Solitary adventitious storage root                B) Daucus
          III) Solitary pigmented storage root                 C) Ipomoea
          IV) Solitary colourless storage root                   D) Asparagus
                 I    II    III   IV                                                       I    II    III   IV
          1)    D   C    A     B                                               2)     C    D    B    A     
          3)    A   B    C     D                                               4)     D    C    B    A     
9.       Match the following with respect to underground stems
          I) Horizontally growing stem                                                A) Amorphophallus
          II) Vertically growing stem                                                   B) Zingiber
          III) Swollen tuberous tip of axillary branch                       C) Solanum
          IV) Discoid stem with scape                                                  D) Allium
                I   II   III   IV                                                           I   II   III   IV         
          1)   B  A   C    D                                                   2)      A   B    C   D      
          3)   B  C   D    A                                                   4)      A   B    D   C
10.     In the following table given below, choose the correct set of options corresponding to the blanks              A, B, C and D
             Genus
Root
Stem
Leaf
Inflorescence
Zea mays
           A
Herbaceous
Parallel venation
Spike
Casuarina
Nodular roots
          B
Scale leaves
Catkin
Nerium
Tap root system
Stolons
             C
Polychasial cyme
Euphorbia
Tap root system
Phylloclade
spines
          D
          Identify A, B, C, D respectively
          1) Stilt roots, phylloclade, opposite phyllotaxy, polychasial cyme
          2) Brace roots, phylloclade, whorled phyllotaxy, cyathium
          3) Fibrous roots, cladophyll, compound leaves, dichasial cyme
          4) Prop roots, phylloclade, reticulate venation, cymule
11.     In the genus A, axillary buds help in vegetative reproduction and in genus B floral  buds help in vegetative reproduction and in genus C epiphyllous buds help in vegetative reproduction and in genus D floral buds help in sexual reproduction  A, B,C, D respectively are
          1) Agave, Dioscorea, Bryophyllum, Datura         2) Aloe, Drosera, Scilla, Hibiscus
          3) Drosera, Agave, Bryophyllum, Datura            4) Dioscorea, Agave, Bryophyllum, Hibiscus
12.     Match the following
          A) Runner                                                           I) Pistia and Eichhornia
          B) Stolon                                                              II) Musa and Chrysanthemum
          C) Sucker                                                            III) Nerium & Jasminium
          D) Offset                                                              IV) Oxalis and strawberry
          1) A - IV, B - III, C - II, D - I                             2) A - IV, B - I, C - II, D - III
          3) A - I, B - II, C - III, D - IV                             4) A - IV, B - I, C - III, D – II
13.     In the genus given below both stem and peduncle are condensed. The genus is
          1) Tridax                         2) Allium                       3) Cassia                               4) Crotalaria
14.     Assertion (A) : Dicot leaf show reticulate venation
          Reason (R) : Veinlets form a network in the lamina of dicot leaf
          1) Both A and R are correct and R is the correct explanation of A.
          2) Both A and R are correct but R is not the correct explanation of A.
          3) A is True but R is False.                                   4) R is True but A is False.
15.     Axillary bud could be present in the axil of
          A) Simple leaf                B) Compound leaf      C) Modified leaf          D) Leaflet
          1) A, B and D only         2) A, B, C only             3) C, D only                  4) A, B, C, D
16.     Four genera Taeniophyllum, Euphorbia, Acacia and Lathyrus possess chlorophyllous tissues in various plant parts. Choose the corresponding plant parts
          1) Leaf, root, stem, sepals                                    2) Stem, petiole, root, leaf
          3) Stem, root, sepals, petals                                  4) Root, stem, petiole, stipules
17.     Match the following.
          A) Corymb                                            I) All the flowers appear to arise from same point
          B) Umbel                                               II) All the flowers are brought to same height
          C) Spike                                                 III) Flower protected by modified bract called spathe
          D) Spadix                                               IV) Acropetal arrangement of sessile flowers on peduncle
          E) Head                                                  V) Sessile flowers develop centripetally on condensed peduncle
                A   B   C   D   E                                                  A   B   C   D   E              
          1)   II   I   IV  III  V                                             2)   I   II  IV  III  V
          3)   II   I   III  IV V                                              4)  V  III IV   I    II     
18.     Match the inflorescence with the corresponding plant family
          A) Cyathium                                                       I) Asteraceae (Compositae)                       
          B) Verticellaster                                                  II) Apiaceae (Umbelliflorae)         
          C) Spike                                                               III) Poaceae (Graminae)   
          D) Umbel                                                             IV) Lamiaceae (Labiatae)
          E) Head                                                               V) Euphorbiaceae      
                A  B   C   D   E                                                    A  B   C  D   E
          1)   II  I   III  IV  V                                              2)  IV  V III  II   I
          3)   II V  IV  III  I                                                4)  V  IV III  II   I
19.     The type of cymose infloresence without any arrangement of flowers is
          1) Solitary cyme             2) Cymule                     3) Dichasial cyme         4) Polychasial cyme
20.     A cymose inflorescence 'X' possess two flowers on either side of peduncle in the axil of bracts. In cymose inflorescence 'Y' two flower bearing branched peduncles arise in the axil of bracts. 'X' and 'Y' are
          1) Cymule and dichasial cyme                             2) Monochasial and dichasial cyme
          3) Solitary cyme and dichasial cyme                    4) Solitary cyme and cymule
21.     Select the correct statements regarding  inflorescences present in two genera given below
Character
Euphorbia
Ficus
A) Types of flowers (sexuality)
3
2
B) Cup like structure
involucre of bracts
Peduncle
C) Number of stamens in each male flower
3
1
D) Number of carpels in each female flower
3
1
          1) A and B                    2) B and D                    3) A and C                    4) A and D
22.     A flower could possess two types of               
          1) Placentation              2) Aestivation               3) Merosity                   4) Structural symmetry
23.     A flower is called trimerous due to the presence of
          1) Three whorls of floral leaves                         
          2) Three whorls of essential floral leaves
          3) Three members in each of the two whorls of perianth in a flower
          4) Flower can be cut into three equal halves
24.     Cymule producing thorny climber is
          1) Datura                      2) Jasminium                3) Citrus                        4) Bougainvillea
25.    Type of aestivation without overlapping of perianth member is
         1) Valvate aestivation                                         2) Vexillary aestivation
         3) Ascendingly imbricate aestivation                 4) Twisted aestivation
26.    Inflorescence with sessile flowers is observed in a genus
         1) Hibiscus                    2) Sunflower                 3) Euphorbia                 4) Datura
27.     Four floral characters of a flower in different genera are given below. Choose the incorrect one
Genus
Character 1
Character 2
Character 3
Character 4
1) Pea
Papilionaceous corolla
Diadelphous stamens
Zygomorphic symmetry
Imbricate
aestivation
2) Mustard
Radial symmetry
Stamens of different length
Syncarpous ovary
Superior ovary
3) China rose
Perigynous flower
Diadelphous stamens
Actinomorphic symmetry
Apocarpous
gynoecium
4) Sunflower (disc floret)
Actinomorphic symmetry
Bisexual
Inferior ovary
Tubular corolla

28.     Dry fruits are characterized by                                                                                                        
I)  Dry pericarp                                                                       II) Non-fleshy                       
III) Endocarp is hard, epicarp and mesocarp fleshy         IV) Hard pericarp that never splits
          1) I & II                        2) II &  III                              3) III & IV                  4) I & IV
29.     The fruit of A group dehisces dorsiventrally, of B group dehisces in different ways , of C dehisces into one seeded mericarps. A,B and C are respectively
            1) A) Pea, Beans B) Cotton, Coconut C) Acacia, Anacardium                                                                     2) A) Pea, beans B) Cotton,Datura C) Acacia, Castor                                                                             3) A) Cotton, Datura, B) Peas, rice C) Cotton, Acacia                                                                                  4) A) Cotton, Acacia B) Peas, Beans C) Cotton, Aristolochia
30.       Assertion(A): Dry indehiscent fruits are one seeded                                                                        Reason(R):All dry indehiscent fruits develop from monocarpellary gynoecia
            1)  A and R are true and R explains A           2) A and R are true but R does not explains A                      3) A is true but R is false                          4) A is false but R is true
31.       Match the following lists.
Example                                   Type of fruit                                                                         
I) Annona squamosa             A) Schizocarpic fruit
II) Acacia                               B) Capsule    
III) Tridax                              C) Berry
IV) Datura                             D) Aggregate fruit                                                                                                                               E) Cypsela     
            1) I-A,II-E,III-D,IV-B                                   2) I-C,II-E,III-A,IV-D          
3) I-D,II-B,III-E,IV-A                                   4) I-D,II-A,III-E,IV-B
32.       The fruit in pine-apple is
            1) Fleshy, simple         2) Composite               3) Aggregate               4) Dry indehiscent
33.       Seeds can be observed in
          A)  Fleshy pedicel of cashew              B)  Fleshy thalamus of apple
          C)  Nut of cashew                                D)  Pome of  apple
          1)  A, B, D                    2)  B, C, D                  3)  C, D                       4)  A, C, D
34.       Cotyledons are not edible part in the fruit of
            1) Citrus          2) Arachis hypogea     3) Dolichos lab lab      4) Pisum sativum
35.     Match the following lists                                                                    
I) Apple                                    A) Syconus    
II) Mango                                 B) Pepo
III) Fig                                      C) Pome
            IV) Cucumber                       D) Sorosis
                                                            E) Drupe                                                                   
          1) I-E,II-C,III-B,IV-D             2) I-A,II-E,III-B,IV-D          
          3) I-A,II-B,III-C,IV-D             4) I-C,II-E,III-A,IV-B          

36.     The wrong pair in the following  is
          1)Pyrus- Rosaceae         2) Oryza-Poaceae        3) Citrus-Palmaceae    4) Artocarpus-Moraceae
37.     Endosperm is edible in A, thalamus is edible in B, fleshy peduncle is edible in C. Then A,B and C are respectively
            A                     B                     C                                                                    
          1) Arachis          Annona           Ananas                                                                                   
2) Dolichos        Cocos              Cucurbita
          3) Cocos            Ananas            Artocarpus
          4) Oryza            Pyrus               Ficus
38.       Edible part in Annona squamosa is
            1) Cotyledons                                                                                2) Succulent perianth
            3) Mesocarp and Endocarp of each fruitlet                                  4) Endosperm
39.       There is no false fruit in
            1) Cashew                   2) Apple                      3) Strawberry              4) Coconut
40.       Match the following
Table - I
Table - II
1)  Mango
A) Pome
2) Grapes
B) Hesperidium
3) Cucumber
C) Berry
4) Citrus
D) Drupe

E) Pepo
            1) 1-D,2-A,3-E,4-B                   2) 1-B,2-C,3-D,4-E

            3) 1-A,2-E,3-C,4-D                   4) 1-D,2-C,3-E,4-B

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ASTHRA JUNIOR COLLEGE , VIJAYAWADA