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				Plantae Multiple Questions and Answers.		
		           
         
        
		   
		       Exercise Questions ::
		       Diversity of Life
 
| 1. | 1. Which of the following does NOT belong to the class of Cryptogamae (plant without  seeds)? | 
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		|  | A. | a) Bryophytes | 
|  | B. | b) Thallophyta | 
|  | C. | c) Angiosperm | 
|  | D. | d) Ptrediophytes | 
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			   |  | Answer:  Option  Answer: c | 
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		|  | Explanation: Plantae have photosynthetic nutrition and these are multicellular eukaryotes. It has been broadly classified into Cryptogamae means plant without seeds and Phanerogamae which means a plant with seeds. | 
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			   |  | Answer:  Option  Answer: a | 
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		|  | Explanation: Green algae is also known as chlorophyta. These are photosynthetic algae contain chlorophyll a and b with carotenoids. | 
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| 3. | 3. Which of the following class of algae consists of alginic acid in their cell wall component? | 
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		|  | A. | a) Green algae | 
|  | B. | b) Red algae | 
|  | C. | c) Brown algae | 
|  | D. | d) Lichens | 
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			   |  | Answer:  Option  Answer: c | 
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		|  | Explanation: Brown algae or pheophyta is marine or fresh water algae. It consists of mainly chlorophyll a, and c along with fucoxanthin and carotenoids. Their cell wall consists of cellulose, sulfated polysaccharides, and alginic acid. | 
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			Published by:Saba Ibrahim
		 
		
		    
			   |  | Answer:  Option  Answer: a | 
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		|  | Explanation: Haploid spores are produced from diploid spores by the process of meiosis. It will produce either motile spores or nonmotile spores. Motile spores are called zoospores while nonmotile spores are aplanospores. | 
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			   |  | Answer:  Option  Answer: c | 
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		|  | Explanation: Pteridophytes are seedless plants with vascular structure, long lived and highly branched. Their life cycle is dominated by sporophyte. They also produce haploid spores by meiosis. | 
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