Taxonomy of Angiosperms

1.         The word taxonomy was coined by

            1) J.Hutchinson           2) Linnaeus                 3) A.P. de Candolle                4) Engler

2.         Taxonomy based on morphological characters alone is

            1) Omega taxonomy                                       2) Numerical taxonomy

            3) Phylogenetic taxonomy                              4) Alpha taxonomy

3.         Assertion(A): Phylogenetic system of classification of plants was proposed in a book Genera plantarum.

             Reason(R):Post-darwinian classifications are phylogenetic classifications.

            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

4.         Taxonomy includes ……….. basic components

            1) Five                         2) Two                         3) Three                       4) Four

5.         Numerical taxonomy is different from artificial system of classifications in giving

            1) Importance to natural relationships                        2) Importance to evolutionary trends

            3) Importance to all characters                                    4) Importance to serological tests

6.         Assertion (A): Artificial systems are not acceptable due to equal weightage to vegetative and floral characters

            Reason (R): Vegetative characters are not stable and more easily affected by environment

            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

7.           Match the following

            1) Species plantarum                         A) Hutchinson

            2) Genera plantarum                                    B) Linnaeus

            3) Historia plantaum                                     C) Engler & Prantl  

4) Die narurlichen planzen familien            D) Bentham & Hooker

                                                                                    E) Theophrastus       

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

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

8.         APG system is an example for

            1) Oldest phylogenetic classification          2) Latest natural system of classification

            3) Latest phylogenetic classification           4) Latest alpha taxonomy

9.         Identify the wrong pair in Bentham and Hooker’s system

              1) Classes-3               2) Series-6               3) Natural orders-202     4) Monocot families -34

10.       ,,,,,,,.

            Which of the following is not true with regard to the above floral  formula of mustard?

            1) Bracts & Bracteoles are absent               2) Flower is actinomorphic                                                         3) Flower is incomplete               4) Bicarpellary syncarpus superior ovary

11.       Mother axis in a floral diagram represents

            1) Anterior side           2) Right side            3) Left side                     4) Posterior side

12.       ,,  the number of floral leaves in it is

            1) 14                            2) 10                            3) 16                            4) 18

13.       the number of whorls showing cohesion is/are

            1) 1                              2) 2                              3) 3                              4) 4

14.  Series having same number of cohorts in gamopetalae of Bentham and Hooker system

       I) Disciflorae and Bicarpellatae                         II) Calyciflorae and Inferae

       III) Heteromerae and Thalamiflorae                 IV) Heteromerae and Inferae

       1) I & IV                         2) II & III                     3) only IV                     4) III & IV

15.  Mustard flower is

       1) Actinomorphic, pentamerous, bisexual             2) Zygomorphic, tetramerous, bisexual

       3) Ebracteate, ebracteolate, pentamerous             4) Ebracteate, tetramerous, actinomorphic and bisexual

16.  Plant systematics is the study of

       I) Diversity of plants      II) History of plants    III) Evolutionary relationships among the plants

       1) I & II                           2) II & III                     3) only III                     4) I, II, III

17.  Assertion (A): Numerical taxonomy uses mathematical methods to evaluate observable differences and similarities between taxonomic groups

       Reason (R): Information from other branches like cytology, palynology, phytochemistry but not morphological characters forms criteria in omega taxonomy

       1) Both ‘A’ and ‘R’ are true and ‘R’ is correct explanation to ‘A’.

       2) Both ‘A’ and ‘R’ are true but ‘R’ is not correct explanation to ‘A’

       3) ‘A’ is true but ‘R’ is false                                 4) ‘A’ is false but ‘R’ is true

18.  The symbols ,  in it’s floral formula indicates that the flower belongs to

       1) Brassicaceae                2) Solanaceae                3) Fabaceae                   4) Liliaceae

19.  The book ‘Families of flowering plants’ contains

       1) Phylogenetic classification of Engler and Prantle

       2) Natural classification of Bentham and Hooker

       3) Sexual system of Linnaeus                               4) Phylogenetic classification of Hutchinson

20.  Based on the number of cohorts arrange the following series of Bentham and Hooker classification in ascending order

       A) Bicarpellatae             B) Thalamiflorae         C) Calyciflorae            D) Heteromerae

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

21.  This character can be represented only in floral diagram

       1) Fusion of floral parts                                        2) Position of gynoecium 

       3) Adhesion of floral parts                                    4) Aestivation of perianth

22.  In Bentham & Hooker’s classification series calyciflorae is

       1) After thalamiflorae and before disciflorae       2) After disciflorae and before inferae

       3) After inferae and before bicarpellatae              4) After heteromerae and before bicarpellatae

23.  How many series are found in the sub class of class dicotyledonae in which cohorts are not created in Bentham and Hooker’s classification?

       1) 7                                  2) 8                                3) 6                                4) 4

24.  Which of the following is not found in a flower of Brassica

       1) Radial symmetry                                               2) Bicarpellary syncarpous gynoecium

       3) Polypetalous corolla                                          4) Epipetalous stamens

25.      How many stamens lie on the antero-posterior line in the flower of Allium cepa?

           1) 2                                2) 3                                3) 4                                4) 6             

26.    Which of the following characters of flowers cannot be represented in floral formula ?

          A. Sexuality of the flower                             B. Symmetry of the flower

          C. Number of floral organs in a whorl      D. Number of locules in the ovary

          E. Cohesion of sepals                                     F. Type of aestivation

          1) A, B, C                     2) D and F                   3) D alone                   4) A, C, E & F

27.      Members of Solanaceae differ with members of Liliaceae by having

            1)Axile placentation                                                2) Hypogynous flowers

            3) Pentamerous flowers                              4) Superior ovary

28.      Match the following :

            List – I                                                           List – II

A)                Meadow saffron                              I) Dracaena aungustifolia

B)                Sarasaparilla                                   II) Gloriosa superba

C)                Spanish dagger                                III) Colchicum autumnale

D)                Red dragon                                       IV) Smilax zeylanica

                                                                                     V) Yucca gloriosa

The correct match is

                        A         B         C         D                                 A         B         C         D

            1)        I           IV        III        V                     2)        III        IV        I           V

            3)        III        IV        V         I                       4)        V         IV        II          III

29.      Study the following characters

             Bicarpellary ovary , syncarpous ovary, bilocular ovary, Superior ovary , unequal lengthed stamens, polypetalous corolla, Six stamens, dry fruit, ovales attached to false septum, Tetramerous flower, Ebracteate flower, bisexual flower, hypogynous flowers

          How many characters  from the above list observed in the taxon “Brassica”

            1) 10                                       2) 6                                         3) 12                           4) 13

30.      Liliaceae members with unisexual flowers are

            1)Asparagus, Allium                                                2)Smilax, Gloriosa              

3)Ruscus, Smilax                                                     4)Lilium, Allium

31.      Floral formula    ,   is that of

            1) Kamanchi             2)Onion                     3)Garden pea                        4) Garlic

32.      The ratio of tepals, stamens and carpels of a flower in Allium cepa is

            1) 1 : 2 : 2                  2)2 : 2: 1                    3)1 : 1 : 1                   4) 1 : 1 : 2

33.       Match the following

             List – I                                                          List – II

a)     Fenu greek                                             I) Medicine

b)     Sunhemp                                                 II) Edible oil

c)     Kanuga                                                    III) Timber

d)     Soya bean                                               IV) Leafy vegetable

                                                                                    V) Fodder plant

            The correct match is

            A         B         C         D                                A           B         C         D

1)        IV        V         I           II                      2)       IV         V         II          I

3)        IV        I           II          III                    4)       IV         III        II          V

34.    A subclass without cohorts

         1)Monocotyledonae      2)Monochlamydeae                              3)Gymnospermae        4)All the above

35.    Arrange the following in ascending order with reference to Bentham and Hooker classification

         I – Total number of cohorts                 II – Natural orders in moncotyledonae

        III – Cohorts in polypetalae                 IV – Total number of series            

         V – Series in Dicotyledonae

         1) V,III,IV,I,II             2)II,I,IV,III,V  3)V,IV,I,II,III            4)III,V,IV,I,II

36.     Floral diagram indicates

          I) Aestivation of perianth parts                             II) Number of floral parts in each whorl

          III) Cohesion and adhesion of floral parts           IV) Sexuality of the flower

          1) I & II only                 2) I, III & IV only             3) I & IV only                  4) I, II, III & IV

37.     Common character between Fabaceae and Solanaceae is                                                                   1) Connation of stamens  2) Union of carpels              3) Union of sepals            4) Aestivation of petals

38.     Identify the plant which shows following characters                                                                      

          I) Bicollateral vascular bundles                       II) Carpels are tilted by an angle of 45°                

          III) Dry dehiscent fruit                                     IV) Solitary terminal inflorescences                      

          1) Solanum                    2) Datura                       3) Atropa                           4) Nicotiana

39.     The book "Die naturlichen planzen familien" was written by                                           

          1) Bentham & Hooker 2) Engler & Prantl         3) Goldberg & Linnaeus    4) A.P. de candolle

40.     Plant from which chemical mutagen (Colchicine) is extracted shows the following stem modification  

          1) Corm                         2) Rhizome                   3) Bulb                               4) Cladode