MDCAT Biology Chapter 6 Diversity among Animals Online Test With Answers

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MDCAT Biology Chapter 6 Diversity among Animals Online Test

Sr. # Questions Answers Choice
1 The most common animal of phylum Aschelminthes is: Enterobuis vermicularis Ascaris lumbricoides Ancylostoma duodenale Rhabditis
2 Platyhelminthes have Asymmetrical body Radial symmetry Bilateral symmetry Diploblastic organization
3 Triploblastic, unsegmented, acoelomates exhibiting bilateral symmetry and reproducing both asexually and sexually, with some parasitic forms are included in Annelida Arthropoda Platyhelminthes Cnidaria
4 Animals that have their body cavity filled with parenchyma are Acoelomates Coelomates Pseudocoelomates Tunicates
5 Which characteristic is common in both cnidarians and flatworms Digestive system with a single opening Dorsoventrally flattened bodies Radial symmetry Flame cells
6 First invertebrate to develop a nervous system is Sponges Cnidarians Flat worms Round worms
7 Animals involved in the construction of corals are Polyps Medusae Gonozooids None
8 Which of the following is true about mesoglea Acellular Mesodermal Cellular Multicellular
9 A group of animals with distinct germinal layers in adult stage are grouped in Cnidaria Arthropoda Aschelminthes Platyhelminthes
10 It is an animal, but it does not have nerve or muscle tissue. It is neither diploblastic nor triploblastic. It is probably a Flatworm Nematode Cnidarian Sponge
11 Phylum of asymmetrical animals is Nematoda Platyhelminthes Cnidaria Porifera
12 Which of the following is a distinguishing character of sponges Tentacles<span style="white-space:pre"> </span> Ceoleteron Choanocytes Calcareous skeleton
13 Highest degree of regeneration is present in sponges because of Undifferentiated cells Simplest organization Ability to reproduce Absence of germ layers
14 Animals devoid of respiratory, excretory and circulatory organs are Tapeworms Sponges Earthworm Live fluke
15 The pore by which the water leaves the body of sponges is called Ostia Osculum Spicules Medreporite
16 The cells absent in sponges are Chondrocytes Pinacocytes Choanocytes Archeocytes
17 The only phylum included in Grade Radiata is: Porifera Aschelminthes Platyhelminthes Cnidaria
18 In earthworm, the surface responsible for the gaseous exchange is Skin Gills Body surface Trachea
19 Which one of the following phylum is the example of coelomates Flatworms<span style="white-space:pre"> </span> Round worms Segmented worms Unsegmented worms
20 Features of most complex animals are Triploblastic with true coelom Triploblastic with pseudocoelom Triploblastic with bilateral symmetry Triploblastic with radial symmetry
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