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  1. Metamerism is characteristic of  a. Platyhelminthes b. Mollusca c. Porifera d. Annelida 2. Animals/organisms floating on the surface of water are [CBSE PMT 1998; BHU 1998, 01] a. Plankton b. Pelagic c. Benthon d. Neritic 3. Body does not show any segmentation in  a. Frog b. Cockroach c. Earthworm d. StarFish/Hydra 4. Radial symmetry occurs in [CPMT 1980; AFMC 1985; Haryana PMT 1995; CET (Chd.) 2003] a. Fishes b. Molluscs c. Star Fishes d. Sponges 5. Animals having well marked digestive cavity are included under [AFMC 1978]  a. Parazoa b. Enterozoa c. Mesozoa d. Metazoa 6. An animal which comes out at night and hides during day time is a. Diurnal b. Nocturnal c. Cursorial d. Arboreal 7. Level of organisation in sponges is  a. Cellular level b. Acellular level c. Tissue level d. Organ-system level 8. Cell aggregate plan is found in  a. Cnidarians b. Sponges c. Roundworms d. Flatworms 9. Level of structural organisation found in Hydra and Jelly Fishes is ...

MCQ Questions on Living World Class 11 | NEET Important Questions Pdf format - " Download " Pdf size - 1.26 mb  Answer keys - " Download " 1. The label of a herbarium sheet does not carry information on (1) date of collection (2) name of collector (3) local names (4) height of the plant 2. Select the correct sequence for Homo erectus. (1) erectus → homo → primata → chordata → animalia (2) Homo → erectus → primata → animalia → chordata (3) Homo → erectus → primata → chordata → animalia (4) erectus → homo → animalia → primata → chordata 3. Biodiversity means- a. Number of organisms known b. Types of organisms known c. Number of species known d. All are correct 4. Nomenclature is a. assigning a single name to an organism valid all over the world. b. Defining properties of an organism c. Localizing the area of abundance for that organism d. Assigning three sets of name applicable at different levels of classification. 5. What is prerequisite for nomenclature? a. Descrip...