171. Which of the following is a fresh water sponge ?

1. 1. Sycon

   
   
   

   2. Euspongia

   
   
   

   3. Spongilla

   
   
   

   4. Pleurobrachia

   
   
   

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   Spongilla

   Correct Option: C

   Spongilla

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172. Book lungs occur in

1. 1. earthworms

   
   
   

   2. insects

   
   
   

   3. arachnids

   
   
   

   4. mammals

   
   
   

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   arachnids

   Correct Option: C

   arachnids

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173. Marsupial Kangaroo is

1. 1. viviparous

   
   
   

   2. oviparous

   
   
   

   3. ovoviviparous

   
   
   

   4. a distinct category

   
   
   

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   viviparous

   Correct Option: A

   viviparous

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174. The deadliest mushroom is

1. 1. Agaricus

   
   
   

   2. Amanita

   
   
   

   3. Pleurotus

   
   
   

   4. Volvariella

   
   
   

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   The most poisonous mushroom is the death cap toadstool (Amantia phalloides). It is commonly found where beech and oak trees grow.

   Correct Option: B

   The most poisonous mushroom is the death cap toadstool (Amantia phalloides). It is commonly found where beech and oak trees grow.

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175. The kingdom Protista is primarily made up of organisms that are

1. 1. eukaryotic and multicellular

   
   
   

   2. prokaryotic and multicellular

   
   
   

   3. prokaryotic and single-celled

   
   
   

   4. eukaryotic and single-celled

   
   
   

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   All single-celled eukaryotes are placed under Protista. This kingdom forms a link with others dealing with plants, animals and fungi.

   Correct Option: D

   All single-celled eukaryotes are placed under Protista. This kingdom forms a link with others dealing with plants, animals and fungi.

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