NEET Biology Plant Kingdom Question Bank

done Spirogyra and Ulothrix Total Questions - 62

• question_answer1)
  Spirogyra cells contain
  A)
                     One chloroplast and one pyrenoid done clear
  B)
                     One or more chloroplast, each with one pyrenoid done clear
  C)
                     One or more chloroplast, each with many pyrenoids done clear
  D)
                     None of the above done clear
  View Solution play_arrow

• question_answer2)
  Cells of Spirogyra are
  A)
                     Uninucleate                       done clear
  B)
                     Binucleate done clear
  C)
                     Multinucleate                    done clear
  D)
                     None of the above done clear
  View Solution play_arrow

• question_answer3)
  Filaments of Spirogyra are
  A)
                     Uniseriate and unbranched done clear
  B)
                     Uniseriate and branched done clear
  C)
                     Multiseriate and unbranched done clear
  D)
                     Multiseriate and branched done clear
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• question_answer4)
  Spirogyra is a                                                                [CPMT 1996]
  A)
                     Fresh water and free floating alga done clear
  B)
                     Marine and free floating alga done clear
  C)
                     Fresh water and locomotory alga done clear
  D)
                     None of the above done clear
  View Solution play_arrow

• question_answer5)
  Maximum number of chloroplasts recorded in Spirogyra is
  A)
                     6                                         done clear
  B)
                     12 done clear
  C)
                     20                                       done clear
  D)
                     16 done clear
  View Solution play_arrow

• question_answer6)
  Which structure of Spirogyra is flagellated
  A)
                     Physiologically different male gametes done clear
  B)
                     Physiologically different female gametes done clear
  C)
                     Zygospore done clear
  D)
                     None of the above done clear
  View Solution play_arrow

• question_answer7)
  Pond silk' is the common name of          [Kerala CET 2003]
  A)
                     Ulothrix                             done clear
  B)
                     Spirogyra done clear
  C)
                     Vaucheria                          done clear
  D)
                     Oedogonium done clear
  View Solution play_arrow

• question_answer8)
  Chloroplasts of Spirogyra have                 [BVP 2003]
  A)
                     Smooth margin done clear
  B)
                     Wavy margin done clear
  C)
                     Smooth or wavy margin done clear
  D)
                     None of the above done clear
  View Solution play_arrow

• question_answer9)
  In Spirogyra meiosis occurs in
  A)
                     The developing zygospore done clear
  B)
                     During conjugation process done clear
  C)
                     During vegetative reproduction done clear
  D)
                     During gamete formation done clear
  View Solution play_arrow

• question_answer10)
  In Spirogyra during the germination of zygospore how many haploid nuclei take part [CPMT 1993, 2001; AIIMS 2001]
  A)
                     One                                    done clear
  B)
                     Two done clear
  C)
                     Three                                 done clear
  D)
                     All four done clear
  View Solution play_arrow

• question_answer11)
  Sexual reproduction in which cells of two different Spirogyra filaments conjugate is known as                 [CPMT 1990]
  A)
                     Lateral conjugation          done clear
  B)
                     Scalariform conjugation done clear
  C)
                     Parthenocarpy                  done clear
  D)
                     Azygospory done clear
  View Solution play_arrow

• question_answer12)
  The product of conjugation of Spirogyra is called [CBSE PMT 1991, 2000; CPMT 1993, 2000]
  A)
                     Zoospore                           done clear
  B)
                     Akinete done clear
  C)
                     Chlamydospore                done clear
  D)
                Zygospore done clear
  View Solution play_arrow

• question_answer13)
  Spirogyra differs from moss protonema in having [BHU 1991]
  A)
                     Pyrenoid                            done clear
  B)
                     Branched filament done clear
  C)
                     Discoid chloroplast          done clear
  D)
                     Rhizoidal branches done clear
  View Solution play_arrow

• question_answer14)
  The sexual reproduction in Spirogyra is  [CPMT 1986]
  A)
                     Oogamous                        done clear
  B)
                     Anisogamous done clear
  C)
                     Cleistogamous                  done clear
  D)
                     None of the above done clear
  View Solution play_arrow

• question_answer15)
  Pyrenoid is found in one of the following part of Spirogyra [CPMT 1977]
  A)
                     Cytoplasm                         done clear
  B)
                     Cell wall done clear
  C)
                     Chloroplast                       done clear
  D)
                     Nucleus done clear
  View Solution play_arrow

• question_answer16)
  When three Spirogyra filaments are participating in conjugation, the possibilities are that          [DPMT 1987]
  A)
                     The middle one may be female and outer ones are male done clear
  B)
                     The middle one may be male and outer ones are female done clear
  C)
                     Both (a) and (b) done clear
  D)
                     None of the above done clear
  View Solution play_arrow

• question_answer17)
  In Spirogyra, ladder like structure is formed in  [Bihar MDAT 1992]
  A)
                     Lateral conjugation done clear
  B)
                     Fragmentation done clear
  C)
                     Palmella stage done clear
  D)
                     Scalariform conjugation done clear
  View Solution play_arrow

• question_answer18)
  In Spirogyra sometimes the gametes behave directly as zygospores without fusion. Such reproductive bodies are called                                        [AIIMS 1992]
  A)
                Azygospores                     done clear
  B)
                     Hypnospores done clear
  C)
                     Zygospores                       done clear
  D)
                     Aplanospores done clear
  View Solution play_arrow

• question_answer19)
  The cell wall of Spirogyra is made up of  [MP PMT 1996]
  A)
                     Cellulose                           done clear
  B)
                     Pectin done clear
  C)
                     Lignin                                done clear
  D)
                     Chitin done clear
  View Solution play_arrow

• question_answer20)
  Unique character of Spirogyra vegetative cell is
  A)
                     Cell wall is definite and thick done clear
  B)
                     Cell wall is hygroscopic done clear
  C)
                     Pyrenoid bodies are present done clear
  D)
                     Nucleus is having cytoplasmic strands done clear
  View Solution play_arrow

• question_answer21)
  In Spirogyra                                                       [Orissa PMT 2002]
  A)
                     The filaments showing scalariform conjugation are homothallic done clear
  B)
                The filaments showing lateral conjugation are homothallic done clear
  C)
                     The filaments showing lateral conjugation are heterothallic done clear
  D)
                     Asexual reproduction occurs by zoospores done clear
  View Solution play_arrow

• question_answer22)
  Lateral conjugation involves
  A)
                     Only one filament             done clear
  B)
                     Two filaments done clear
  C)
                     Many filaments                 done clear
  D)
                     None of the above done clear
  View Solution play_arrow

• question_answer23)
  The zygote containing 4 meiospores in Spirogyra is called
  A)
                     Akinete                              done clear
  B)
                     Parthenospore done clear
  C)
                     Incipient sporophyte        done clear
  D)
                     Chlamydospore done clear
  View Solution play_arrow

• question_answer24)
  Replicate septum of Spirogyra is characterised by
  A)
                     Ring like growth done clear
  B)
                A peg like protuberance done clear
  C)
                     A spiral outgrowth done clear
  D)
                     A perforation in the plate done clear
  View Solution play_arrow

• question_answer25)
  Asexual reproduction in Spirogyra
  A)
                     Has not been recorded done clear
  B)
                     Takes place by formation of zoospores done clear
  C)
                     Takes place by formation of aplanospores done clear
  D)
                     Takes place by formation of hypnospores done clear
  View Solution play_arrow

• question_answer26)
  Which of the following produces non-motile gametes
  A)
                     Ulothrix                             done clear
  B)
                     Cladophora done clear
  C)
                     Spirogyra                          done clear
  D)
                     Anabaena done clear
  View Solution play_arrow

• question_answer27)
  Contraction of protoplast in Spirogyra takes place
  A)
                     Just before formation of zoospores done clear
  B)
                     Before the formation of gametes done clear
  C)
                     Before the fusion of gametes done clear
  D)
                     During germination of zygospores done clear
  View Solution play_arrow

• question_answer28)
  Spirogyra differs from Mucor in having    [CPMT 1994]
  A)
                     Uninucleate gametangia  done clear
  B)
                     Multicellular gametes done clear
  C)
                     Anisogamete                     done clear
  D)
                     Sexual reproduction done clear
  View Solution play_arrow

• question_answer29)
  Which type of sexual reproduction is found in Spirogyra [Bihar MDAT 1995; CPMT 1999]
  A)
                     Conjugation                      done clear
  B)
                     Binary fission done clear
  C)
                     Fragmentation                  done clear
  D)
                     Spores formation done clear
  View Solution play_arrow

• question_answer30)
  The chloroplast in Spirogyra is                 [Kashmir MEE 1995]
  A)
                Spiral band shaped          done clear
  B)
                     Cup shaped done clear
  C)
                     Star shaped                       done clear
  D)
                     Girdle shaped done clear
  View Solution play_arrow

• question_answer31)
  Sexual reproduction in Spirogyra is morphologically characterised by         [MP PMT 1995; BHU 2002]
  A)
                     Oogamy done clear
  B)
                     Anisogamy done clear
  C)
                     Isogamy done clear
  D)
                     Isogamy and oogamy both done clear
  View Solution play_arrow

• question_answer32)
  Reproduction in Spirogyra is                         [Bihar MDAT 1995]
  A)
                     Asexual                              done clear
  B)
                     Conjugation done clear
  C)
                (a) and (b) both                done clear
  D)
                     None of these done clear
  View Solution play_arrow

• question_answer33)
  Indian species of Spirogyra in which Prof. Iyengar discovered direct lateral conjugation is
  A)
                     Spirogyra sahnii               done clear
  B)
                     Spirogyra indica done clear
  C)
                     Spirogyra jogensis           done clear
  D)
                     Spirogyra karnalae done clear
  View Solution play_arrow

• question_answer34)
  Which is not true for Spirogyra
  A)
                     Polycentric chromosomes done clear
  B)
                     Complex nucleolus done clear
  C)
                     Heterothallism done clear
  D)
                     A single pyrenoid in each chloroplast done clear
  View Solution play_arrow

• question_answer35)
  A spore of Spirogyra sp. after resting period is  [MP PMT 1997]
  A)
                     Haploid                             done clear
  B)
                     Diploid done clear
  C)
                     Aplanospore                     done clear
  D)
                     Zygospore done clear
  View Solution play_arrow

• question_answer36)
  Zygotic meiosis takes place in                                 [MP PMT 1998]
  A)
                     Selaginella                        done clear
  B)
                     Spirogyra done clear
  C)
                     Pinus                                  done clear
  D)
                     Brassica done clear
  View Solution play_arrow

• question_answer37)
  Physiological anisogamous sexual reproduction is found in [MP PMT 1998]
  A)
                     Mucor                                done clear
  B)
                     Selaginella done clear
  C)
                     Pinus                                  done clear
  D)
                     Spirogyra done clear
  View Solution play_arrow

• question_answer38)
  Spirogyra has a                                           [MP PMT 1999, 2002]
  A)
                Haplontic life cycle done clear
  B)
                     Diplontic life cycle done clear
  C)
                     Haplobiontic life cycle done clear
  D)
                     Diplobiontic life cycle done clear
  View Solution play_arrow

• question_answer39)
  Chloroplast in Ulothrix is                   [RPMT 1999; Kerala PMT 2004]
  A)
                     Reticulate                           done clear
  B)
                     Cuplike done clear
  C)
                     Spiral                                 done clear
  D)
                Girdle shaped done clear
  View Solution play_arrow

• question_answer40)
  Ulothrix produces                                                            [BVP 2001]
  A)
                     Isogametes                        done clear
  B)
                     Anisogametes done clear
  C)
                     Ascospores                        done clear
  D)
                     Heterogametes done clear
  View Solution play_arrow

• question_answer41)
  In Ulothrix meiosis (Reduction division) occurs in [MHCET 2001; AIIMS 2004]
  A)
                     Gamete                              done clear
  B)
                     Zygospore done clear
  C)
                     Zoospore                           done clear
  D)
                     Thallus done clear
  View Solution play_arrow

• question_answer42)
  Basal cell of Ulothrix is                                         [CPMT 1991]
  A)
                Extra green                        done clear
  B)
                Colourless done clear
  C)
                     Full of reserve food          done clear
  D)
                     Without a nucleus done clear
  View Solution play_arrow

• question_answer43)
  Number of flagella present in the gametes of Ulothrix is  [CPMT 1989, 92]
  A)
                Four                                   done clear
  B)
                     Three done clear
  C)
                     One                                    done clear
  D)
                Two done clear
  View Solution play_arrow

• question_answer44)
  Basal cell of Ulothrix is                                            [JIPMER 1999]
  A)
                Antheridium                      done clear
  B)
                     Meristematic done clear
  C)
                Holdfast                             done clear
  D)
                     Zoogonidium done clear
  View Solution play_arrow

• question_answer45)
  Presence of basal rhizoidal cell in Ulothrix is an example of  [RPMT 1998]
  A)
                Dead cell done clear
  B)
                     Vestigial cell                      done clear
  C)
                     Accessory cell done clear
  D)
                Beginning of division of labour done clear
  View Solution play_arrow

• question_answer46)
  In Ulothrix, zygote is                                         [Uttaranchal 2001]
  A)
                Nonflagellate                     done clear
  B)
                     Uniflagellate done clear
  C)
                     Biflagellate                         done clear
  D)
                Tetraflagellate done clear
  View Solution play_arrow

• question_answer47)
  In Ulothrix, sexual reproduction is by [Bihar PMT 1994; CBSE PMT 1997]
  A)
                Isogamy                             done clear
  B)
                     Anisogamy done clear
  C)
                     Oogamy                             done clear
  D)
                     Conjugation done clear
  View Solution play_arrow

• question_answer48)
  Meiosis in Ulothrix takes place during [CPMT 1985, 1995; CBSE PMT 1993; MP PMT 2002]
  A)
                Zoospore formation done clear
  B)
                     Gamete formation done clear
  C)
                Zygote germination done clear
  D)
                     Zoospore germination done clear
  View Solution play_arrow

• question_answer49)
  In Ulothrix, the cell contains                                        [AFMC 1994]
  A)
                A chloroplast with many pyrenoids   done clear
  B)
                A chloroplast with a few pyrenoids done clear
  C)
                     A few chloroplasts with a few pyrenoids done clear
  D)
                     Many chloroplasts with a few pyrenoids done clear
  View Solution play_arrow

• question_answer50)
  Ulothrix is                                                    [RPMT 1990]
  A)
                Attached unbranched filament done clear
  B)
                     Attached branched filament done clear
  C)
                     Colonial alga done clear
  D)
                     Free floating done clear
  View Solution play_arrow

• question_answer51)
  Cells of Ulothrix are                                                     [RPMT 1989]
  A)
                Round                               done clear
  B)
                     Spherical done clear
  C)
                Cylindrical                         done clear
  D)
                     Rectangular done clear
  View Solution play_arrow

• question_answer52)
  Ulothrix occurs in                                                         [RPMT 1985]
  A)
                Running fresh water        done clear
  B)
                     Stagnant fresh water done clear
  C)
                     Running salt water           done clear
  D)
                     Stagnant salt water done clear
  View Solution play_arrow

• question_answer53)
  Pigments present in Ulothrix are               [RPMT 2002]
  A)
                Chl. a, Chl b and phycocyanin done clear
  B)
                     Chl a, Chl c, phycocyanin and fucoxanthin done clear
  C)
                Chl. a, Chl b, carotenes and xanthophylls done clear
  D)
                     Chl a and fucoxanthin done clear
  View Solution play_arrow

• question_answer54)
  A cell of Ulothrix has chloroplasts             [RPMT 1995, 96]
  A)
                1                                         done clear
  B)
                     2 done clear
  C)
                     3                                         done clear
  D)
                     4 done clear
  View Solution play_arrow

• question_answer55)
  The zoospores of Ulothrix are liberated by
  A)
                Degeneration of lateral walls done clear
  B)
                Formation of a pore in lateral wall done clear
  C)
                     Gelatinization of lateral wall    done clear
  D)
                     Gelatinization of all the cell walls done clear
  View Solution play_arrow

• question_answer56)
  Which is correct statement for Ulothrix     [CBSE PMT 1998]
  A)
                Filamentous alga with flagellated reproductive stages   done clear
  B)
                     Filamentous alga with nonflagellated reproductive stages done clear
  C)
                     Membranous alga producing zoospores done clear
  D)
                     Nonmotile colonial alga lacking reproductive stages done clear
  View Solution play_arrow

• question_answer57)
  Sexual reproduction in Spirogyra can be described as [CPMT 1987; MP PMT 2001]
  A)
                     Morphological anisogamy and physiological isogamy done clear
  B)
                     Morphological as well as physiological isogamy done clear
  C)
                     Morphological as well as physiological anisogamy done clear
  D)
                     Morphological isogamy and physiological anisogamy done clear
  View Solution play_arrow

• question_answer58)
  Scalariform conjugation occurs in [CPMT 1991, 99; KCET 1998]
  A)
                     Ulothrix                             done clear
  B)
                     Oedogonium done clear
  C)
                     Spirogyra                          done clear
  D)
                     Chlamydomonas done clear
  View Solution play_arrow

• question_answer59)
  On germination each zygospore of Spirogyra gives rise to [CPMT 1981, 84]
  A)
                     Four plants                        done clear
  B)
                     Three plants done clear
  C)
                     Two plants                        done clear
  D)
                     One plant done clear
  View Solution play_arrow

• question_answer60)
  Zygospore of Spirogyra produces            [CBSE PMT 1993]
  A)
                     2 zoospores                      done clear
  B)
                     4 zoospores done clear
  C)
                     2? 4 zoospores                 done clear
  D)
                     None of the above done clear
  View Solution play_arrow

• question_answer61)
  Sexual reproduction in Spirogyra involves fusion of  [MP PMT 1994; BVP 2003]
  A)
                     Two similar motile gametes done clear
  B)
                     Two similar non-motile gametes but physiological disssimilar done clear
  C)
                     One motile and one non-motile gametes done clear
  D)
                     Two dissimilar motile gametes done clear
  View Solution play_arrow

• question_answer62)
  Spirogyra increases its body length by the division of  [AFMC 2001]
  A)
                     The apical cell done clear
  B)
                     The basal cell done clear
  C)
                     Every cell of the body done clear
  D)
                     Accumulation of food in his body done clear
  View Solution play_arrow