Hello! Welcome to Test Biology Mock 4 - DIVERSITY IN THE LIVING WORLD Instructions: Time: 15 min Full Marks: 120 All questions carry equal marks and all 30 questions carry 4 marks each. You will be awarded minus one marks for each wrong answer. There is no deduction for NOT attempted question. (Powered By: Kailasha Foundation - Fun & Learn Portal) Note: This mock looks best on a desktop. Name Email 1. In the absence of a closed vascular system, how do sponges manage to distribute the nutritive substance from choanocytes to rest of the cells Through cell to cell diffusion Through mesoglea which acts as the food reservoir and distribution system Through the wondering cells amoebocytes Through cell to cell diffusion and amoebocytes 2. The choanocytes lining the spongocoel are embryologically Ectodermal in origin Endodermal in origin Mesodermal in origin Cuticular in origin 3. The glass sponge Euplectella belongs to class Hexactinellida Calcarea Demospongiae Hydrozoa 4. "Spongeocoel" is also known as paragastric cavity gastrovascular cavity water vascular cavity Coelenteron 5. Tick mark the incorrect match obelia ------- planula larva Aurelia ------- ephyra larva Nereis --------- Trochophore Hydra ------ Hydrula larva 6. " Portuguese man of war" is soldier of world war 1 Portuguese soldier A sponge A polymorphic, colonial, coelentrata7. Which one of the following is diploblastic Polustomella Paramoecium Pennatula Entamoeba 8. "Corals" belongs to the phylum Porifera Mollusca coelentrata Echinodermata 9. Which of the following are triploblastic, acoelomate with blind sac type of body plan and parenchyma cells originating from mesoderm fillup the cavities of the body Cnidarians Platyhelminthes Annelids Arthropoda 10. Blood of pheretima is Blue with haemocyanin in corpuscles Blue with haemocyanin in plasma Red with haemocyanin in corpuscles Red with haemoglobin in plasma 11. True diploblastic animals belong to Cnideria and Porifera Annelida and Nematoda Porifera and protozoa Coelentrata and ctenophore12. The correct sequence of various larvae in liver fluke is Miracidium, sporocyst , redia , cercaria , metacercaria Cercaria , sporocyst, redia , miracidium Sporocyst, redia , miracidium, cercaria , metacercaria Miracidium, sporocyst, cercaria , redia , metacercaria13. Tapeworm is placed in class Cestoda Sporozoa Trematoda Turbellaria 14. Anal itching is caused by Male ancylostoma Female ancylostoma Male enterobius Female enterobius 15. Hirudinnaria shows locomotion by Swimming Creeping Looping Both (1) and(3)16. Animals of which phylum exhibit "tube within tube" structure Platyhelminthes Coelentrata Annelida Cestoda 17. Cestum is commonly called Brain coral Venus's girdle Venus's flower basket Dead man's finger 18. One of the following is commonly known as whipworm Wauchereria Trichruris Oxyris None 19. Fasciola hepatica causes Bleeding in intestine Anaemia in man Liver rot in Sheep None 20. Which among the following is the enemy of Hydra Mesostoma Macrostoma Microstoma Gunda21. Respiratory organs of Arthropods are Book gills Gills Book lungs , tracheal system All of these 22. Tick mark the wrong match Housefly ------> grub Beetle --------> grub Mosquito ------> wriggler Butterfly -----> caterpillar 23. Adult culex and anopheles can be distinguished with the help of Mouth part / colour Sitting posture Antennae/wings Feeding habits 24. Yellow fever and haemorrhagic fever is transmitted by Anopheles Culex Aedes Bed bug 25. Chitin exoskeleton is found in Cockroach Nematoda Ascaris None 26. "Sleeping sickness" is due to the bite of Bed - bug Tse- tse fly Sand fly White fly 27. Term " vertebrate" and "invertebrate " are given by Lamark John ray Leukcart Linnaeus28. Skeleton of bath sponge , Euspongia is made of Spongin fibres and siliceous spicules Calcareous spicules Siliceous spicules Spongin fibres29. Excretory organs of taenia are Protonephridia Solenocytes Flame cells All of these30. Planaria are included under the class Trematoda Nematoda Cestoda Turbellaria1Utkarsh Gupta likes this.