Nội dung text 02. BIOLOGICAL CLASSIFICATION.pdf
PAPER 1 (1.) Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Archaebacteria are oldest living fossils. Reason (R) : Methanogens are responsible for the production of methane. In the light of the above statements, choose the most appropriate answer from the options given below : (1) Both (A) and (R) are correct but (R) is not the correct explanation of (A) (2) (A) is correct but (R) is not correct (3) (A) is not correct but (R) is correct (4) Both (A) and (R) are correct and (R) is the correct explanation of ( A) (2.) Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Lichens are very good pollution Indicators Reason (R) : Lichens do not grow in polluted areas In the light of the above statements, choose the most appropriate answer from the options given below : (1) Both (A) and (R) are correct but (R) is not the correct explanation of (A) (2) (A) is correct but (R) is not correct (3) (A) is not correct but (R) is correct (4) Both (A) and (R) are correct and (R) is the correct explanation of (A) (3.) Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Deuteromycetes known as Algal fungi Reason (R) : Members of deuteromycetes are decomposers of litter and help in mineral cycling. In the light of the above statements, choose the most appropriate answer from the options given below : (1) Both (A) and (R) are correct but (R) is not the correct explanation of ( A) (2) (A) is correct but (R) is not correct (3) (A) is not correct but (R) is correct (4) Both (A) and (R) are correct and (R) is the correct explanation of ( A) (4.) Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): In five kingdom classification Chlorella and Chlamydomonas are placed in kingdom protista Reason (R) : Chlorella and Chlamydomonas are unicellular eukaryotes. In the light of the above statements, choose the most appropriate answer from the options given below : (1) Both (A) and (R) are correct but (R) is not the correct explanation of ( A) (2) (A) is correct but (R) is not correct (3) (A) is not correct but (R) is correct (4) Both (A) and (R) are correct and (R) is the correct explanation of ( A) (5.) Identify the organism and tell which type of nutrition is found in it: (1) Paramecium-Heterotrophic (2) Paramecium-Autotrophic (3) Both (1) and (2) (4) Slimemoulds-Heterotrophic (6.) Earlier classification systems included bacteria, blue green algae, fungi, mosses, ferns, gymnosperm and the angiosperms under plants. Which character are taken for this classification : (1) Cell membrane (2) Cell wall (3) Mode of nutrition (4) Type of reproduction (7.) How many of the following are correct statements among Gonyaulax, Euglena and slime moulds : a. All are photosynthetic b. All are flagellated organisms c. These are belongs to different kingdom. d. All are unicellular organism. (1) 4 (2) 3 (3) 2 (4) 1 (8.) Full form of ICBN : (1) Indian code for botanical nomenclature (2) International code for botanical nomenclature (3) International code of botany name (4) Indian code of botanical nomenclature
(9.) Class mammalia includes families : (1) Felidae (2) Canidae (3) Convolvulaceae (4) Both 1 and 2 (10.) Which of the following statement is true for Dinoflagellates a. Dinoflagellates are mostly marine and photosynthetic b. They appear yellow, green, brown, blue or red depending on the main pigments present in their cells c. The cell wall has stiff cellulose plates on their outer surface d. Most of them have two flagella, one lies longitudinally and the other transversely in the furrow between the wall plates (1) all of these (2) Onlya,b,d (3) Onlyb,c,d (4) Onlya,c,d (11.) Difference between Virus and Viroid is (1) Absence of protein coat in viroid but present in virus (2) Presence of low molecular weight RNA in virus but absent in viroid (3) Both 1 and 2 (4) Presence of DNA inviroid (12.) Select the Incorrect statement regarding heterocysts: (1) These are present in some filamentous fungi such as Nostoc and Anabaena (2) These cells are specialised to perform H2 - fixation (3) These cells are specialised to perform CO2 - fixation (4) All of these (13.) How many are correct statements about the given diagram : (a) A type of protist (b) Myxotrophic nutrition (c) A type of connecting link (d) Cell wall absent (e) Multicellular organism (1) 5 (2) 4 (3) 2 (4) 1 (14.) How many of the following fungus found in the class Ascomycetes : Rhizopus, Penicillium, Yeast, Mucor, Agaricus, Puccinia, Albugo, Claviceps, Neurospora, Alternaria, Trichoderma, Aspergillus, Ustilago, Morels, Truffles, Colletotrichum, Toadstool: (1) 5 (2) 7 (3) 9 (4) 10
(15.) Match column-I with column -II and select the correct option from the codes given below : Column - I Column - II a) Virus i. Mad Cow disease b) Bacteria ii. Potato spindle tuber c) Viroids iii. Typhoid d) Prions iv. Small pox (1) a-iv, b-iii, c-ii, d-i (2) a -i, b-ii, c-iii, d-iv (3) a-iii, b- iv, c-i, d-ii (4) a-ii, b-iii, c-iv, d-i (16.) Match the different types of spores listed under column-I with the class of fungi given under column-II Column - I Column - II Spores Class a) Ascospores f. Basidiomycetes b) Basidiospores g. Deuteromycetes c) Zygospores h. Phycomycetes d) Conidia i. Ascomycetes (1) a-i, b-f, c-h, d-g (2) a-g, b-h, c-f, d-i (3) a-h, b-i, c-g, d-f (4) a-f, b-h, c-g, d-i (17.) Which one of the following matching is correct : (1) Mushroom - Aseptate mycelium; - Basidiomycetes (2) Alternaria- Sexual reproduction is absent; - Deuteromycetes (3) Mucor- Reproduction by conjugation; - Ascomycetes (4) Agaricus- Parasitic fungus; - Phycomycetes (18.) The main criteria for classification used by Whittaker was : (1) Cell structure (2) Body organisation (3) Reproduction (4) All of these