A Animal Kingdom - Non-chordata

Q. All the given options are correct with respect to classification, except 1. Classification helps in assigning a systematic position to newly described species 2. There are differences in structure and form of different animals but some common features also exist. 3. All members of Animalia exhibit the same pattern of organisation of cells 4. Common features among individuals can be used as the basis of animal classification

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Q. All the given statements are incorrect with respect to level of organization in animals but one 1. In coelenterates the cells are arranged as loose cell aggregates 2. In sponges the cells performing the same function are arranged into tissues 3. In Platyhelminthes the tissues are grouped together to form organs 4. In Chordates the tissues are grouped together to form organs, each specialised for a particular function

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Q. In organ system level of organisation, organs have associated to form functional systems. This type of level of organization is seen in all, except 1. Annelids 2. Molluscs 3. Platyhelminthes 4. Aschelminthes

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Q. Find the statements which are not correct 1. Incomplete digestive system has single opening acting as mouth and anus. 2. Organ systems in different groups of animals exhibit almost same patterns and complexity 3. Complete digestive system has two openings mouth and anus. 4. Digestive system in Platyhelminthes is complete 1. 1, 2 and 3 2. 1 and 2 only 3. 2 and 4 only 4. 1 and 4 only

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Q. Choose correct statements with respect to circulatory system in animals 1. Closed type in which the blood is circulated through a series of vessels of alike diameters 2. Open type in which the blood is circulated through a series of vessels of varying diameters 3. Open type in which the blood is pumped out of the heart and the cells and tissues are directly bathed in it 4. Closed type in which the blood is pumped out of the heart and the cells and tissues are directly bathed in it 1. 1 and 3 only 2. 2 and 4 only 3. 1 only 4. 3 only

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Q. Choose the correct option/s 1. In Asymmetrical organisms, any plane that passes through the centre does not divide them into equal halves 2.In Radially symmetrical, only one plane passing through the central axis of the body divides the organism into two identical halves 3. In Biradially symmetrical organisms, the body can be divided into identical left and right halves in any plane 4. Coelenterata, Ctenophora and Adult Echinodermata exhibits Radial symmetry. 1. 1 & 2 only 2. 1, 2 & 4 only 3. 1 & 3 only 4. 1 & 4 only

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Q.All the options are Incorrect, except 1. Diploblastic animals have an internal ectoderm and external mesoderm 2. Diploblastic animals have an internal ectoderm and external endoderm 3. Diploblastic animals have an internal endoderm and external ectoderm 4. Diploblastic animals have an undifferentiated layer, mesoglea in between internal ectoderm and external ectoderm

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Q. All the options are correct, except 1. Triploblastic animals have an internal endoderm, external ectoderm with mesoglea in between the two layers 2. Triploblastic animals have an internal endoderm, external ectoderm with mesoderm in between the two layers 3. Diploblastic animals have an internal endoderm, external ectoderm with mesoglea in between the two layers 4. Diploblastic animals have an internal endoderm, external ectoderm with mesoderm in between the two layers 1. Only 2 and 3 2. Only 1 and 4 3. Only 1 and 3 4. Only 2 and 4

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Q. Find the number of correct statements 1. In Aschelminthes, mesoderm is present as scattered pouches in between the ectoderm and endoderm. 2. Body cavity, which is lined by mesoglea is called coelom. 3. Animals in which the body cavity is not present are called coelomates 4. Wuchereria is a coelomate 1. Four 2. Two 3. Three 4. One

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Q. On the basis of coelom, Find the Odd one 1. Spongilla 2. Gorgonia 3. Ctenoplana 4. Ascaris

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