728by90ad 
 
    
 
				Plantae Multiple Questions and Answers.		 
		           
         
        
		   
		       Exercise Questions ::
		       Diversity of Life  
 
		
		    
			   Answer:   Option  Answer: a  
Explanation:  
		    
		Explanation: Gymnosperm is vascular plants whose seeds are not covered by the ripened
ovary (fruit). These are basically woody plants and considered as fruitless plants.
  See More Information 
			Published by:Saba Ibrahim 
		 7. 8. Double fertilization is a characteristic feature of which of these groups of plants?  A.  a) Chlorophyta B.  b) Thallophyta  C.   c) Angiosperm  D.  d) Bryophytes 
    View Answer   Discuss forum    Workplace      Report   
    
		
		    
			   Answer:   Option  Answer: c  
Explanation:  
		    
		Explanation: Angiosperms are flowering plants which are a major group of plants. Double fertilization is the characteristic of angiosperm plants, produce embryo as well as endosperm.
  See More Information 
			Published by:Saba Ibrahim 
		 
		
		    
			   Answer:   Option  Answer: d  
Explanation:  
		    
		Explanation: A flower has four types of structures called four whorls i.e. nonessential whorls
(Calyx and Corolla) and essential whorls (gynocium and androcium).
  See More Information 
			Published by:Saba Ibrahim 
		 9. 10. Melia, a flower has a pistil of two or more fused carpels, which of the following condition  describe this? A.  a) One carpel  B.   b) Fused carpel  C.  c) Fused androcium  D.   d) One androcium 
    View Answer   Discuss forum    Workplace      Report   
    
		
		    
			   Answer:   Option  Answer: b  
Explanation:  
		    
		Explanation: Gynoecium is divided into simple and compound. Simple gynoecium is made
up of only one carpel e.g. pea. Compound gynoecium is the one in which pistil of two or
more carples is fused e.g. Melia.
  See More Information 
			Published by:Saba Ibrahim 
		 
		
		    
			   Answer:   Option  Answer: b  
Explanation:  
		    
		Explanation: Gynandrous is a condition where stamen attached to carpels. It is mainly found
in calotropis. In epiphyllous stamen attached to the perianth, found in the Liliaceae. The
condition where stamen attached to pistil is called epipetalous e.g. sunflower. Synandrous
is the condition of attachment of anthers of different stamens.
  See More Information 
			Published by:Saba Ibrahim 
		  
«