BIOLOGY QUIZ-03, Biological Classification & Plant Kingdom

BIOLOGICAL CLASSIFICATION & PLANT KINGDOM

Objective Type Questions (One option is correct)

01. Choose the correct statements:
i. Algin obtain from brown algae and carrageen obtain from 
   red algae
ii. Algin obtain from red algae & carrageen obtain from brown
    algae
iii. Gamete of phaeophyceae are pear shape or pyriform and 

             bear two anterior flagella 

 iv.  Rhodophycae have pigment r-phyoerythrin
   v. Floridian starch in red algae is very similar to amylopecin & 

       glycogen  in structure
         a) i, iv & v            
         b) ii, iv &v

 c) iii, iv &          
 d) All statements are correct

02. Examples of colonial algae are:

      a) Volvox          
      b) Udorina     
      c) Nostoc          
      d) a & b both 

03. Life cycles Ectocarpus and Fucus respectively?

     a) diplontic, haplo-diplontic

     b) haplo-diplontic, diplontic

     c) haplo-diplontic, haplontic

     d) haplontic, haplontic

04. Which of following statements is wrong:

      a) Algae increase the level of dissolved O₂ in the immediate
          enviorment.

      b) Algin is obtain from red algae & carrageen from brown 
          algae.

      c) Agar-Agar is obtain from Gelidium & Gracilaria.

      d)  Laminaria & Sargassum are used as food.

05. Which of the following is responsible from Peat  

      Formation:

     a) Marchantia                 
     b) Riccia

c) Funaria                       
d) Sphagnum

06. Anisogamous condition with flagellated gametes is

      found in:

      a) Porphyra                      
      b) Spiroghyra

      c) Ulothrix                       
      d) Udorina

07. Isogamous condition with non-fellagellated gametes  

      Are found in?

      a) Volvox                     
      b) Fucus

      c) Chlamydomonas      
      d) Spirogyra  

08. Isogamous condition with flagellated gametes is found

      In:

      a) Gelidium                  
      b) Fucus

      c) Udorina                    
      d) Ulothrix

09. Oogamous condition with non-flagellated gametes is    

      found in:

      a) Gracilaria                    
      b) Spirogyra

      c) Udorina                        
      d) Dictoyta

10. Male gametes are flagellated in:

      a) Ectocarpus                
      b) Spirogyra

      c) Polysiphonia             
      d) Anabaena

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