Tuesday, June 30, 2015

EAMCET 2016: BOTANY WEEKEND TEST-2(LEAF AND INFLORESCENCE)

RATNAM MEDICAL ACADEMY ;NELLORE
1.       In one of the following petiole/ part of petiole is modified into phyllode
          1) Australian acacia        2) In some legumes      3) Nepenthes                  4) 1 & 3
2.       The main objective of phyllotaxy is to
          1) Enhance the beauty of leaf                             2) Help to receive sunlight for the leaves
          3) Provide nutrition to the leaves                        4) All
3.       The following part of the leaf helps to expose the lamina to light
          1) Phyllotaxy                  2) Stipules                    3) Leaf base                   4) Petiole
4.       Find the following pair in which pulvinous petiole and pulvinous leaf base present respectively.
          1) Pista & Eichhornia                                          2) Eichhornia & Pistia   
          3) Eichhornia & Some legumes                           4) Some legumes & Eichhornia
5.       The following is responsible for the development of different types of leaves
          1) No incision                 II) Direction of incision      III) Extent of incision
          1) III only                       2) II, III only               3) I, III only                   4) I, II, III
6.       Assertion (A)  : Rachis is formed only in pinnately compound leaves.      
          Reason (R)      : Rachis is not formed in palmately compound leaves.
          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
7.       Three branches of Nerium with 10 intenodes (at each node 3 leaves), 5 branches of calotropis with 8 intenodes, 4 branches of chinarose with 12internodes collected. Then total number of leaves in all the plants.
          1) 218                              2) 273                           3) 241                             4) More than 273
8.       Find the true statement
          1) In pisum lower leaf lets perform photosynthesis
          2) In pisum stipules are foliaceous
          3) In pisum terminal leaf lets modified into tendrils
          4) All
9.       Match the following in Nepenthes
          A) Terminal part of petiole                               I) Photosynthesis         
          B) Lamina                                                         II) Climbing & conduction 
          C) Lower part of petiole                                  III) Digestion of insect proteins      
         
                   A       B       C                                   A       B       C    
          1)      III      II       I                       2)          II       I         III
          3)      II       I        III                    4)          II       III      I                                   
10.     Assertion (A)   : Nepenthes is both producer and consumer               
          Reason (R)      :  Nepenthes is prepare it’s own food and digest the insects for nitrogen     
          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           
11.     In one of the following plant in its inflorescence neither the branches nor the flowers are acropetal, but both are centripetal
          1) A plant with under ground stem corm
          2) A plant with conical tuberous adventitious root
          3) A plant with under ground stem bulb
          4) A plant with conical tuberous tap root
12.     One of the following inflorescence is present in a plant which shows vertically downwardly growing underground stem
          1) Umbel                         2) Raceme                    3) Spadix                       4) Head
13.     Unisexual flowers are found in
          1) Tridax, Achyranthes, Colacacia, Ficus, Labiatae   2) Tridax, Colacacia, Euphorbia, Ficus
          3) Solanum, Tridax, Achyranthes, Ficu   4) Tridax, Colacacia, Datura, Euphorbia, Ficus
14.     Involucre is found
          I) Ficus                           II) Euphorbia             III) Carrot                    IV) Sunflower
          V) Colocacia                  VI) Onion
          1) I, II, III, IV                2) II, III, IV, V            3) II, III, IV, VI            4) II, IV, VI only
15.     Total number of flowers in a verticellaster, if its Monochasial cyme produces 7 branches
          1) 30                                2) 32                             3) 34                  4) Can not be estimated
16.     Racemose inflorescence with involucre
          I) Spike                           II) Umbel                    III) Cyathium               IV) Capitulum
          1) II, III, IV                    2) II, IV                       3) II only                        4) II, III
17.     Special inflorescence showing cymose characters
          1) Verticellaster              2) Cyathium                 3) Hypanthodium          4) 1 & 2
18.     Match the following
          A) Involucre with bisexual pedicillate flowers                  I) Colacacia
          B) Involucre with sessile, unisexual & bisexual flowers  II) Euphorbia    
          C) Involucre with pedicillate, unsexual flowers                III) Tridax 
          D) Spathe with unisexual, sessile flowers                            IV) Allium
         
                   A       B       C       D                                   A       B      C       D     
          1)      IV     III     I        II                         2)       I         II     III      IV
          3)      IV     III     II       I                           4)       II       I       III      IV             
19.     Stolan with three flowered inflorescence
          1) Bongain villea             2) Nerium                     3) Jasmine                      4) All
20.     Study the following
          A) In cyathium total flowers number is more of one to the number of male flowers
          B) In cyathium number of male flowers is less of one to the number of total flowers
          C) In cyathium ratio of female and male flowers is 1 : Many
          D) In cyathium ratio of carpels (Megasporophylls) and stamens (Microsporophyl) in each  female and male flowers is 3 : 1
          From the above statements identify the number of true statements
          1) 1                                  2) 2                               3) 3                                 4) 4
21.     Inflorescence of poaceae (=Graminae)
          1) Compound raceme     2) Compound umbel    3) Compound spike   4) Compound spadix
22.     Each branch of the peduncle is a simple raceme in
          1) Compound corymb                                         2) Compound umbel     
          3) Compound spike                                             4) Panicle
23.     A three flowered definite inflorescence is
          1) Dichasial cyme of Ipomoea                             2) Cymule of Jasminum
          3) Helicoid cyme of Hamelia                              4) Scorpioid cyme of solanum
24.     Assertion (A)   : Cyathium inflorescence looks like a single flower.   
          Reason (R)      : Central stamen like male flower surrounded by many female flowers. 
          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   
25.     One of the following is NOT the characteristic feature of Hypanthodium?
          I) Fruit - like special inflorescence      II) Presence of unisexual flowers
          III) Peduncle is fleshy                            IV) Opening of flowers is not in a definite order
          V) Achlamydeous flowers
          1) I and II                       2) II and IV                 3) I and V                      4) V alone
26.     Assertion (A)   : Hypanthodium is a cymose inflorescence                  
          Reason (R)      : In Hypanthodium, the flowers are arranged in irregular manner         
          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   
27.     Inflorescence with three types of flowers seen in
          I) Ficus                           II) Bongainvillea         III) Musa                       IV) Tridax
          1) II, III                          2) III, IV                      3) I, III                           4) II, IV
28.     In Nerium following one seen
          I) Axillary bud modified into spine                  II) Axillary bud modified into thron
          III) Whorled phyllotaxy                                    IV) Polychasial cyme
          1) II, III, IV                    2) II, III                       3) III, IV                        4) I, III, IV
29.     Identify the incorrect statement in relation to Hypanthodium inflorescence
          1) Inflorescence with involucre                          
          2) Inflorescence with deep cup like peduncle
          3) Inflorescence with three types of flowers
          4) Inflorescence with sessile unisexual, chlamydeous flowers
30.     The nature of spathe in spadix inflorescence is
          1) Bractcole                    2) Bract                        3) Stipule                       4) Peduncle
31.     Identify the correct statement regarding verticellaster
          1) It is found in Euphorbiaceae members
          2) Initially it is monochasial cyme and latter develop as dichasial cyme
          3) It is racemose inflorescence
          4) Initially it develops as dichasial cyme and later it continues as monochasial cyme
32.     Inflorescence with sessile unisexual flower
          I) Cyathium                   II) Verticellaster         III) Hypanthodium      IV) Umbel
          1) I, II, IV                       2) III only                    3) II, III                         4) I, II, III
33.     A student observed inflorescence in Ipomea that shows 3 times branching so the total number of flowers present are
            1) 15                            2) 20                            3) 18                            4) 16
34.     Three genera Taeniophyllum, Euphoribia and Acacia possess chlorophyllous tissues in various plant parts. Choose the corresponding plant parts respectively
          1) Leaf, Root stem   2) Stem, Petiole, Root   3) Stem, Root, Sepals   4) Root, Stem, Petiole
35.    A : In cymose type of inflorescence, growth of the main axis shows limited growth
         R : In this type of inflorescence the main axis terminates into a flower
          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  
36.     Characterstic inflorescence of Apiaceae is     
          1) Head                           2) Umbel                      3) Verticillaster              4) Cyathium          
37.     Modified leaves of this plant help in vegetative propagation
          1) Casuarina                    2) Acacia melanoxylon   3) Dionaea                  4) Bryophyllum
38.     The correct ascending sequence of the following based on their number
          A) Number of flowers in cymule of jasminum
          B) Number of flowers in a monochasial cyme with three  branches
          C) Number of stamens in the male flower of Euphorbia
          D) Number of flowers in a panicle of Mango
          1) D, B, A, C                  2) C, A, B, D               3) A, C, B, D                 4) B, D, C, A
39.     Type of leaf present in Bombax ceiba is         
          1)  Pinnately compound leaf                               2) Palmately compound leaf
          3) Simple leaf with entire lamina                         4) Simple leaf with lobed lamina     
40.    Arrange the modifications of Nepenthes leaf in sequence base to apex
          1) Pitcher, tendril, phyllode                                2) Phyllode, tendril, pitcher

             3) Tendril, pitcher, phyllode                                              4) Tendril, phyllode, pitcher

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ASTHRA JUNIOR COLLEGE , VIJAYAWADA