Question 2 In flame cells light is detected. 2 cilia drive fluids through tubule

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Question 2 In flame cells light is detected. 2 cilia drive fluids through tubules for excretion of excess water. 3. ciliated sperm are stored. 4. undigested food is expelled. 5. slow fires actually burn food for energy. Question 3 Which of the following is characteristic of blood flukes? 1. Blood flukes are ectoparasitic of invertebrates. 2. Most blood flukes have separate sexes. 3. Blood flukes are covered by a ciliated integument. 4. Blood flukes have a well-developed alimentary canal. 5. Blood fukes possess an oral sucker that is surrounded by a non-sensory p Question 4 Which of these is a bivalve? 1. Slug 2. Octopus 3. Earthworm oyster 5. Snail Question 5 Filter feeders are usually 1. active predators. sessile or relatively inactive. 3. herbivorous 4. squids. 5. snails

Explanation / Answer

Ques2. Option 2. Flame cells plays an important role in excretion like kidneys in mammals. They are cilia like tubules used to expel water.

Ques 3. Option 5. Blood flukes are species of Trematoda.. having oral suker to attach inside the body of organism and feed on them.they are endoparasties with less developed alimentary canal as they feed on digested food of organism.

Ques 4.option 4.Bivalvia, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. Bivalves as a group have no head and they lack some usual molluscan organs like the radula and the odontophore. They include the clams, oysters, cockles, mussels, scallops,

Ques5.option 2. Filter fidders are inactive and sessile

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