Sunday, July 5, 2015


Ratnam medical academy
                                                                                                                                    BY MRT
1.       The fleshy fruit that develops  from  multicarpellary, syncarpous, multilocular superior ovary is
          1) Berry                         2) Pome                         3) Hesperidium             4) Drupe
2.       Identify the incorrect statement
          1) Rose, Peach- plants show perigynous flower with half superior ovary
          2) Epigynous flower with  inferior ovary is  present in Guava and Cucumber.
          3) In Mustard and Datura flower can be divided into two equal  halves in any vertical plane  passing through the centre.
          4) Asymmetric flowers are present in cassia
3.       Ovary with false septum is seen in  flower of these plants
          I) Mustard                    II) Primrose                  III) Argemone              IV) Marigold
          1) I, II only                   2) I, II, III                     3) I, III only                  4) II, IV only
4.       A plant with both parthenocarpic fruit  and sucker is
          1) Aloe                          2) Chrysanthemum       3) Musa                         4) Nerim
5.       Match the following:
          List - 1                                                      List - 2
          A) Marginal plantation                           I) Sun flower  & Marigold
          B) Parietal placentation                          II) Pea  &  Bean
          C) Axile placentation                              III) Mustard & Argemone
          D) Free  central placentation                  IV) Hibiscus  & Tomato
          E) Basal placentation                              V) Dianthus  & Primrose
          The correct match is
                   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       
6.       Type of aestivation without overlapping of perianth members  is
          1) Valvate              2) Vexilllary                         3) Ascendingly imbricate       4) Twisted
7.       Read the given statements
          i) Gynoecium occupies the highest position while the other floral parts are situated below it
          ii) Ovary is superior
          iii) Examples are Brassica, Hibiscus, Brinjal, etc
          Which condition of flowers is being described by the above statements
          1) Hypogyny                 2) Perigyny                   3) Epigyny                    4) None of these
8.       Identify the correct order of plants showing Hypogynous, Perigynous and Epigynous conditions
          1) Mustard, Gulmohur, Chilli                    2) Rose, Guava, Chinarose  
          3) China rose, Rose, Guava                                 4) Chinarose, Guava, Rose  
9.       If the posterior margins of anterior petals are over lapped by anterior margins of their posterior petals then the aestivation is called
          1) Twisted                       2) Ascendingly imbricate            3) Vexillary    4) Valvate  
10.     Type of placentation found  in the ovary of Dianthus is
          1) Basal                           2) Axile                        3) Parietal                       4) Free central       
11.     Identify the fruits developed from inferior ovaries
          I) Cypsela                       II) Pome                      III) Caryopsis               IV) Pepo   
          V) Hesperidium            
          1) I to V                          2) I, II, III, IV             3) I, II, IV                      4) II, III, IV
12.     In apple,  true fruit develops from                 
          1) Thalamus                    2) pedicel              3) only from ovary         4) Calyx
13.     Study the following table with reference to fruits
          Fruit                                      Ovary                                            Other feature
          A) Hesperidium                   Multicarpellary,                           papery endocarp
                                                        multilocular, superior ovary
          B) Pepo                                 Tricarpellary, Trilocular,            The epicarp is like a rind
                                                        inferior ovary
          C) Nut                                   Multicarpellary, unilocular         Pericarp is stony
          D) Drupe                              Monocarpellary, superior           Stony hard endocarp
          The incorrect combinations are
          *1) A and B                    2) C and D                   3) A and C                     4) A and D
14.     Study the following and identify the correct pair of characters for calotropis
          I) Valvate aestivation                                         II) Twisted aestivation
          III) Simple raceme                                             IV) Opposite phyllotaxy
          The correct answer is  
          1) I, II                             2) I, IV                         3) II, III                         4) II, IV
15.     Tubular corolla is present in
          1) Ray florets of sunflower                                 2) Disc florets of Tridax
          3) Ocimum flower                                              4) Datura flower  
16.     Ovary is one chambered but it becomes two chambered due to the formation of the false septum in
          1) Argemone and mustard                                   2) Dianthus and Prime rose  
          3) Sun flower and Mary gold                              4) China rose and rose  
17.     Flowers are described as hypogynous, perigynous and epigynous on the basis of
          I) Position of calyx and corolla in respect of the ovary
          II) Position of androecium in respect of the ovary
          III) Position of leaves in respect of the ovary
          IV) Position of carpels in respect of the ovary
          1) I, III                            2) II, IV                       3) III, IV                        4) I, II
18.     In china rose and cucumber flowers the position of accessory organs on Thalamus in respect of ovary respectively is
          1) Inferior & Superior                                          2) Half superior & Inferior 
          3) Superior & Superior                                        4) Inferior & Inferior    
19.     Flowers of which of the following plants can be divided into two similar halves only in one particular vertical plane
          I) Hibiscus                      II) Gulmohar              III) Canna                     IV) Cassia 
          1) II & IV                       2) I, III & IV               3) I,II & III                    4) II only
20.     What is the ratio of overlapping margins of petals to overlapped ones in twisted aestivation
          1) 1 : 2                             2) 1 : 1                          3) 3 : 2                            4) 4 : 1
21.     Read the following table, select correct combinations.
              Type of fruit   Family                         Edible parts
          I)  Hesperidium   Rutaceae                     Juicy placental hairs
          II) Pepo                Cucurbitaceae            Epicarp and mesocarp
          III) Cocos            Anacardiaceae            Cotyledons
          IV) Tomato         Solanaceae                  Pulp + Placenta
          1) I & II                          2) I & IV                      3) II & III                      4) II & IV
22.     Study the following statements                        
          I)    In cashew, true fruit is associated with false fruit
          II) In dry fruits the pericarp remains differentiated
          III) In all fleshy fruits only seeds are hard portions
          IV) Pericarp is present in fruit of Banana & Citrus
          The correct statements are                               
          1) II & IV                       2) I & IV                      3) I & III                        4) II & III
23.     Male reproductive organs and insect attracting structures are united in
          1) Brinjal                         2) Pea                           3) Bean                          4) All the above     
24.     The arrangement of the ovules on the placenta, which  developed on central axis of the unilocular ovary (finally) is called
          1) Free central placentation                                 2) Basal placentation            
          3) Axile placentation                                           4) Parietal placentation        
25.     List - I                                                              List - II
          Type of placentation                                      Example (plant/family)
          A) Parietal                                                I) Fabaceae                                   
          B) Axile                                                     II) Asteraceae                        
          C) Basal                                                    III) Lemon                             
          D) Marginal                                     IV) Argemone                       
                                                                            V) Primrose                           
                        A         B         C         D                     A         B         C         D
          1)           IV        II         III        V         2)         IV        III        I           II
          3)           IV        III        II         I           4)         III        IV        II         I          
26.     Consider the following statements                  
          I)   Berry fruit of Guava is formed from Inferior ovary
          II)                                    In cucumber fruit, mesocarp is like rind
          III) Citrus fruit is characterized by leathery epicarp with volatile oil glands
          IV) Drupe is a one seeded  dry fruit
          1) I&III are false, but II & IV are true               2) I & II are false but III & IV are true       
          3) III & IV are true but I & II are false              4) I &III are true but II & IV are false        
27.     Assertion (A)  :  Both parthenocarpic  fruit & true fruit are developing  from ovary only        
          Reason (R)      :  A fruit developing from fertilized ovary is called  true fruit
          1) Both A and R are correct.  R is the correct explanation of A.
          2) Both A and R are correct.  R is not the correct explanation of A.       
          3) A is true, but R is false                                    4) A is false, but R is true   
28.     A) Hesperidium of Citrus                                B) Drupe of coconut
          C) Pome of Apple                                             D) Pepo of cucumber
          E) Cypsela of sunflower                                  F) False fruit of Apple
          Identify the fleshy fruit developed from unilocular inferior ovary
          1) D,E,F only                  2) C,D,E only              3) A,B,C,D, E                4) D only
29.     Thalamus wall and the entire ovary wall are fused in this flower
          1) Hypogynous flower                             2) Perigynous flower    
      3) Epigynous flower                                4) All the above            
30.     Sepals, petals and stamens are superior with respect to ovary in
          1) Brinjal                         2) Rose                         3) Guava                        4) Peach     
31.           List - I                                                                 List - II
          A) Tubular corolla                                          I.     Ocimum
          B)   Bilipped corolla                                          II.    Disc floret of asteraceae
          C) Funnel shaped corolla                                III. Datura
          The correct match is    
                        A         B         C                                             A         B         C        
          1)           I           III        II                                 2)         II         I           III       
          3)           I           II         III                                4)         III        II         I
32.     Choose the specific characters of Canna and Gulmohur respectively
          1) Actinomorphic and bilateral symmetry           2) Asymmetric and bilateral symmetry        
          3) Asymmetric and Zygomorphic                       4) Both 2 and 3 are correct  
33.     Assertion (A)  :  Flower of Datura is actinomorphic
          Reason (R)      :  It can be divided into two similar halves in many transverse  planes passing through the centre
          1) Both A and R are correct.  R is the correct explanation of A.
          2) Both A and R are correct.  R is not the correct explanation of A.       
          3) A is true, but R is false                                    4) A is false, but R is true   
34.     Twisted Aestivation is found in                       
          I) China rose                  II) Bean                       III) Cotton                    IV) Lady's finger 
          1) I, II, III, IV                2) I, III, IV                  3) II, III, IV                   4) I, II
35.     Find the incorrect statement with regard to Papilionaceous corolla
          1) The largest petal is called standard petal or Vexillum                          
          2) The two smallest anterior petals are called keel petals
          3) The standard petal overlaps the two lateral petals
          4) The two lateral petals are called carina          
36.     Transverse sections of ovary of two plants A and B are observed under microscope. Ovary of plant A is unilocular with ovules attached at the central region. In B, the ovary is trilocular with ovules attached to the central region. The type of placentations in A and B can be identified respectively as
          1) Free central and Basal                                     2) Free central and Axile                 
          3) Basal and Axile                                   4) Parietal and Axile          
37.     A fruit in which fleshy edible thalamus encloses the true fruit is known as
          1) Pepo                            2) Pome                        3) Berry                          4) Drupe                
38.     Each carpel of apocarpous gynoecium develops into a fruitlet in
          1) Apple                          2) Custard Apple         3) Pineapple                   4) Mulberry           
39.     Important distinguishing character of drupe 
          1) Stony epicarp              2) Stony mesocarp       3) Stony endocarp         4) Stony pericarp   
40.     The type of placentation in which the placenta forms a ridge along the ventral suture of the monocarpellary ovary and the ovules are borne on this ridge forming two rows is called
          1) Axial                           2) Free central              3) Basal                          4) Marginal

                    KEY SHEET (05.07.2015)
      1)       3
      2)       4
      3)       3
      4)       3
      5)       1
      6)       1
      7)       1
      8)       3
      9)       3
  10)       4
  11)       3
  12)       3
  13)       1
  14)       2
  15)       2
  16)       1
  17)       4
  18)       1
  19)       1
  20)       2
  21)       2
  22)       2
  23)       1
  24)       1
  25)       3
  26)       4
  27)       2
  28)       4
  29)       3
  30)       3
  31)       2
  32)       4
  33)       3
  34)       2
  35)       4
  36)       2
  37)       2
  38)       2
  39)       3
  40)       4

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