NAT II Biological Science Zoology With Answers

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NAT II Biological Science Zoology

Sr. # Questions Answers Choice
1 All are the characteristics of phylum Apicomplexa except------------------ Single type of nucleus Have resistant spores Apical complex for penetrating host cells No cilia and flagella
2 Radiolarians and heliozoans are members of Phylum Apicomplexa Phylum Sarcomastigophora Phylum Acetospora Phylum Ciliophora
3 Except ---------------- all are the members of class Lobosea Arcella Ameoba proteus polystomella Difflugia
4 Tsetse files are ------------- host for Trypanosoma brucei, causing sleeping sickness to humans Intermediate Primary host Definitive host Both A and C are correct
5 Which one is a member of class zoomastigophorea? Trichonympha Trypanosoma Paramyxa Giardia
6 Members of class phytomastigophoreans are Dioecious Monoeious Both A and B are correct None of above
7 In phytomastigophorean each chloroplast has a structure -------------- which stores and synthesizes polysaccharides. Stigma Pyrenoid Euglenoid None of above
8 No free living larval forms occur in the annelid subclass(es) Hirudinea IIirudinea and Oligochaeta Polychaeta Polychaeta and Oligochaeta
9 The ------------- is a site of amino acid metabolism in an earthworm and is analogous to the vertebrate liver. Typhlosole Seminal vesicle Nephridium Chloragogen tissue
10 The main propulsive structure(s) in the circulatory system of an earthworm is (are) Hearts Dorsal and ventral blood vessels Seminal vesicles The typhlosole.
11 Most polychaetes are Monoecious. Dioecious. Protandric. Asexual.
12 Oligochaetes are Monoecious. Dioecious. Monoecious dioecious. asexual.
13 A clitellum is present in the members of the class Polychaeta is Hirudinea. Polychaeta. Oligochaeta. IIirudinea and Oligochaeta
14 A distinctive feature of members of the class Polychaeta is Parapodia. Clitellum. Annuli. Absence of setae.
15 Earthworms belong to the annelid subclass Hirudinea. Chaetognatha. Polychaeta. Oligochaeta.
16 A distinctive feature of members of the subclass Hirudinea is Parapodia. Tentacles. Anterior and Posterior suckers. Palps.
17 The annelid class whose members are mostly marine is Hirudinea. Oligochaeta. Polychaeta. Clitellata.
18 Annelids and Arthropods share all of the following characteristics except one. Select the exception. A ventral cord A complete digestive tract Metamerism An exoskeleton
19 The absence of a shell in the aplacophora is a primitive character in the phylum Mollusca True False None of Above
20 The diversity of body forms and lifestyles present in the phylum Mollusca is an excellent example of adaptive radiation True False None of Above
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