Monday, March 31, 2014

PLANT KINGDOM-PRACTICE TEST



1.        Study the following table
Alga
Class
Character
A. Porphyra
Rhodophyceae
Complex post fertilization developments
B. Ulothrix
Chlorophyceae
Storage bodies are pyrenoids
C. Laminaria
Phaeophyceae
Pyriform  gametes, laterally attached flagella
D. Polysiphonia
Red algae
Non motile spores, motile gametes
           Identify correct combination
           1) A, B, C, D                           2) A, C, D only                         3) B, C, D only                                     4) A, B, C only
2.        Match the following
           Alga                                        Cell wall material                                                                                   Pigments
           A. Ectocarpus                      J. Cellulose, pectin                                                                                 O. Phycocyanin
           B. Porphyra                         K. Cellulose, algin                                                                                  P. Chlorophyll-b
           C. Chara                                L. Cell wall surrounded
                                                                by gelatinous sheath          Q. Phycoerythrin
           D. Nostoc                               M. Cellulose, pectin, polysulphate esters                                          R. Fucoxanthin
           1) AKQ, BMO, CJP, DLR   2) AKR, BMQ, CJP, DLO
           3) AKR, BMP, CJQ, DLO   4) AKR, BMQ, CJO, DLP
3.          Haplodiplontic life cycle is found in
             A) Volvox                                     B) Ectocarpus                            C) Fucus
             D) Funaria                                   E) Marchantia                           F) Equisetum
             1) B, C, D                                      2) B, D, E                                     3) B, D, F                                      4) A, C, F
4.          Oogamy occurs in
             1) Algae & Bryophytes                                                                     2) Bryophytes & Pteridophytes
             3) Gymnosperms & Angiosperms                                                  4) All the above
5.          Plants group which shows both homospory and heterospory are
             1) Gymnosperms                        2) Angiosperms                           3) Bryophytes                             4) Pteridophytes
6.          Following are spermatophytes but not archegoniates
             1) Gymnosperms                        2) Angiosperms                           3) Bryophytes                                           4) Pteridophytes
7.          In which plants of the plant kingdom, sporophyte is physically and physiologically (nutritionally) dependent on gametophyte
             1) Gymnosperms                        2) Pteridophytes                         3) Bryophytes                             4) Angiosperms
8.          Identify the correct match
             1) Lycopsida – Psilotum                                                                  2) Club moss - Bryophyte
             3) Mycorrhizal roots –  Cycas  4) Protonema and gametophore –  Mosses
9.          Match the following with regards to life cycle.
             List-I                                                                                                    List-II
             A) Haplontic                                                                                      I) Fucus
             B) Haplo - diplontic                                                                         II) Laminaria
             C) Diplo - haplontic                                                                         III) Chlamydomonas
             D) Diplo - biontic                                                                              IV) Polysiphonia
                                                                                                                           V) Adiantum
             The correct match is
                   A                      B                     C                       D                               A                     B                       C                      D
             1)    III                   V                     IV                     II                          2)  III                  II                       V                      IV
             3)  III                    IV                    V                       I                           4)  III                  V                       II                      IV
10.       Assertion(A) : All heterosporous plants produce seeds
             Reason (R) : All seed producing plants are heterosporous
             1)  A and R are true and R is the correct explanation of A.
             2)  A and R are true and R is not the correct explanation of A.
             3)  A is false, R is true.                                         4) A is true, R is false.                  
11.       In some heterosporous pteridophytes, megaspores are retained within the megasporangia.  Development of female gametophyte, fertilization, development of embryo etc. occur within the gametophyte while it is still present on the parent sporophyte.  This is the precursor to the                                 
             1) Origin of heterospory         2) Strobilus formation      
             3) Origin of seed habit                                                                     4) Origin of independent sporophyte
12.       Which of the following is applicable to earliest spermatophytes ?
             I, Naked seeded plants                      II. Double fertilization               III. Triploid endosperm             
             IV. Tracheophytes                            V. Embryophytes
             1) II,III and IV                        2) I,IV and V                                 3) III, IV and V                           4) I,III and IV
13.       Pteridophytes show affinities with bryophytes in
             A. Dependence on water for fertilization
             B. Presence of regular alternation of generations
             C. Differentiation of plant body into true root, stem and leaves
             D. Small, conspicuous and dependent gametophytes
             1) C and B only                       2) A and D only                            3) A and B only                           4) C and D only
14.       Assertion(A) :  Vegetative  parts of Funaria are analogous to true roots, stems and leaves of  tracheophytes, but are not structurally similar to them
             Reason(R) : In Funaria, the vegetative parts are gametophytic and lack vascular tissues
             1) Both A and R are correct. R is not the correct explanation of A
             2) Both A and R are correct. R is correct explanation of A
             3) A is true but R is false                                      4) R is true but A is false
15.       Bryophytes resemble algae in the following characters
             1) Filamentous body, presence of vascular tissues and autotrophic nutrition
             2) Differentiation of plant body into true root, stem and leaves and autotrophic nutrition
             3) Thallus like plant body, presence of roots and autotrophic nutrition
             4) Thallus like plant body, lack of vascular tissues and autotrophic nutrition
16.       Study the following table
             Plant group                             Nature of gametophyte                   Nature of sporophyte
             A) Angiosperms                      Monoecious                                                 Heterosporous
             B) Pteridophytes                    Atracheophyte                                            Tracheophyte
             C) Bryophytes                         Independent                                                 Dependent
             D) Gymnosperms                   Parasitic                                                       Autotrophic
             Correct matches are
             1) A and B only  2) A only                                 3) A, B and D only                        4) B, C and D only
17.  Analyse the following lists related to Algae plants
          List – I                                                                                                                       List – II
          I)Oogamous type of sexual reproduction                                          A) Gelidium & Gracilaria
          II) Agar                                                                                                                       B) Laminaria
          III) Iodine                                                                                                                   C)Polysiphonia  
          IV) Carpogonium & Spermatangaium                                               D) Ectocarpus
                                                                                                                                                E) Volvox & Fucus            
          1) I - B, II - C, III - E, IV - D                                    2) I - A, II - C, III - D, IV – E
          3) I - E, II - D, III - B, IV - C                                    4) I - E, II - A, III - B, IV – C
18. Special reproductive structures called gemmae are found in the members of                                            
              1) Algae                                   2) Gymnosperms                   3) Pteridophytes                     4) Bryophytes                
19. Zygote acts as meiocyte in
              1) Chlamydomonos               2) Volvox                                 3) Spirogyra                           4) All the above                             
20. A moss used as packing material for trans-shipment of living material is                                                 
                                1) Funaria            2) Sphagnum        3) Polytrichum     4) Marchantia