Monday, November 4, 2013

BOTANY FIRST YEAR EAMCET GRAND TEST



1.         Which one of the following set of organisms are  correctly assigned to their named
            taxonomic group?
            1) Paramecium and Plasmodium belong to the same kingdom as that of Penicillium.
            2)  Trichoderma and Trypamosoma belong to the same kingdom as that of Lycoperdon
            3) Gonyaulax and Plasmodium belong to the same kingdom as that of Noctiluca
            4) Nostoc and Spirgyra belong to the same kingdom as that of Chara.
2.         Which of the following combination of characters is true for slime moulds?
            1) Parasitic, plasmodium without walls, spores dispersed by water
            2) Saprophytic, plasmodium without walls, spores dispersed by water
            3) Parasitic, plasmodium with true walls, spores dispersed by air currents
            4) Saprophytic, plasmodium without walls, spores dispersed by air currents
3.         Given below is a schematic break-up of the phases/stages of cell cycle Which one of the following is the correct indication of the stage/phase in the cell cycle?
             
                
            1) A-Karyokinesis, B-Telophase, C-Cytokinesis, D- ‘S’Phase
            2) A- Karyokinesis, B-Telophase, C-Cytokinesis, D- ‘S’Phase
            3) A- Karyokinesis, B-Anaphase, C-Cytokinesis, D- ‘S’Phase
            4) A- Cytokinesis, B-Anaphase, C- Karyokinesis, D- ‘G1’Phase
4.         Arrange the following events of meiosis in the correct sequence:
            I. Terminalization    II. Crossing over    III. Synapsis   IV. Disjunction of genomes
            The correct sequences :
            1) II, I, IV, III              2) III, II, I, IV               3) IV, III, II, I               4)I, IV, III, II
5.         Which of the following statements are true about Microbodies of an eukaryotic cell ?
            (a) Peroxysomes involved in photophosphorylation
            (b) Glyoxysomes convert stored lipids to carbohydrates.
            (c) Peroxysomes protect cells from toxic effects of hydrogen peroxide.
            (d) Ribosomes provide space as well as enzymes for protein synthesis.
            1) (b), (c) and (d) only 2)(a), (b) (c) and (d)     3)(a) and (d) Only        4) (b) and (c) Only
6.         Aminoacids, as the name suggests, have both an amino group and a carboxyl group in their structure. In addition, all naturally occurring aminoacids (those which are found in proteins) are called L-aminoacids. From this, can you guess from which compound can the simplest aminoacid be made?
            1) Formic acid             2) Methane                   3) Phenol                      4) Glycine
7.         When you take cells or tissue pieces and grind them with an acid in a mortar and pestle, all the small biomolecules dissolve in the acid. Proteins, polysaccharides and nucleic acids are insoluble in mineral acid and get precipitated. The acid soluble compounds include aminoacids, nucleosides, small sugars etc. When one adds a phosphate group to a nucleoside one gets another acid soluble biomolecule called
            1) Nitrogen base          2) Adenine                   3) Sugar phosphate       4) Nucleotide
8.         It is observed that heart cells do not exhibit cell division. Such cells do not divide further and exit _______A____ phase to enter an inactive stage called ____B_______ of cell cycle.
            Find out A, B phases
            1) G0 Phase, G1 Phase  2) G1 Phase, G0 Phase   3) G2 Phase, G1 Phase   4) G1 Phase, ‘M’ Phase
9.         What is common in all the three, Funaria, Dryopteris and Ginkgo?
            1) Independent sporophyte                             2) Presence of archegonia
            3) Well developed vascular tissues                 4) Independent gametophyte
10.       The figure shows a hypothetical tetrapeptide portion of a protein with parts labelled A-D. Which one of the following option is correct?
                         
            1) A is the sulphur containing amino acid – methionine
            2) D is the acidic amino acid – glutamic acid
            3) C is an aromatic amino acid – tryptophan
            4) A is the C – terminal amino acid and D is N terminal amino acid
11.       The mature seeds of plants such as gram and peas, possess no endosperm, because
            1) These plants are not angiosperms                2) There is no double fertilization in them      
            3) Endosperm is not formed in them
            4) Endosperm gets used up by the developing embryo during seed development
12.       Among makoi, mustard, brinjal, sunflower, china rose, tulip, cucumber, sunhemp, red gram, guava, bean, chilli, plum, petunia, tomato, rose, withania, potato, onion and  aloe  how many plants have hypogynous flower?
            1) Fifteen                           2) Twelve                         3) Eleven                 4) Forteen
13.       In China rose the flowers are
            1) Actinomorphic, hypogynous with twisted aestivation
            2) Actinomorphic, epigynous with valvate aestivation
            3) Zygomorphic, hypogynous with imbricate aestivation
            4) Zygomorphic, epigynous with twisted aestivation
14.       Identify the characters of gynoecium found in members of  Asteraceae, Fabaceae, Liliaceae and Solanaceae, respectively
            (1) Tricarpellary syncarpous, ovary superior and trilocular
            (II) Bicarpellary syncarpous, ovary superior and usually bilocular
            (III) Bicarpellary syncarpous, ovary inferior and unilocular
            (IV) Monocarpellary, ovary half inferior and unilocular
            The correct sequence is:
            1) II, I, III, IV              2) III, IV, I, II               3) IV, III, II, I               4) I, II, IV, III
15.       How many plants in the list given below have composite fruits that develop from an inflorescence? Cashewnut, custard apple, coconut, fig, pineapple, apple, tomato, jack fruit
            1)Two                          2)Three                        3) Four                         4) Five
16.       Match the followings and choose correct option
            Group A                                                               Group B
            A. Aleurone layer                                            i. without fertilization
            B. Parthenocarpic fruit                                     ii. Nutrition
            C. Ovule                                                          iii. Double fertilization
            D. Endosperm                                                    iv. Seed
            Options:
            1) A-i, B-ii, C-iii, D-iv 2) A-ii, B-i, C-iv, D-iii                                      3) A-iv, B-ii, C-i, D-iii            4) A-ii, B-iv, C-i, D-iii


17.       In Opuntia the stem is modified into a flattened green structure to perform
            the function of leaves (i.e., photosynthesis). Cite some other examples of modifications of plant parts for the purpose of photosynthesis
            1) Euphorbia, Casuarina, Pistia,Pisum            2) Euphorbia, Casuarina, Asparagus,Pisum
            3)Bryophyllum, Casuarina, Acacia,Pisum       4) Euphorbia, Asparagus, Acacia,Vitis
18.       Rearrange the following zones as seen in the root in vertical section and choose the correct option.
            A. Root hair zone        B. Zone of meristems   C. Rootcap zone                      D. Zone of elongation
            1) C, B, A, D               2) A, B, C, D                3) D, A, C, B                           4) D, C, B, A
19.       Members of phycomycetes are found in
            i. Aquatic habitats        ii. On decaying wood   iii. Moist and damp places      
            iv. As obligate parasites on plants
            Choose from the following options
            1) ii , iii and iv             2) i and iv only            3) i, ii and iii only                    4) i, ii, iii, iv
20        With respect to fungal sexual cycle, choose the correct sequence of  events
            1) Karyogamy, Plasmogamy and Meiosis        2) Plasmogamy, Meiosis and Karyogamy
            3) Plasmogamy, Karyogamy and Meiosis        4) Meiosis, Karyogamy and Plasmogamy
21.       Suppose you accidentally find an old preserved permanent slide without a label. In your effort to identify it, you place the slide under microscope and observe the following features :-
            a) Unicellular                                                   b) Well defined nucleus
            c) Biflagellate – one flagellum lying longitudinally and the other transversely.
            What would you identify it as? Can you find the kingdom it belongs to?
            1) Chrysophyte, Protista                                   2) Dinoflagellate ,Protista
            3) Mycoplasmas, Monera                                 4) Slime mould, Fungi                        
22.       All living organisms are linked to one another because
            1) They have common genetic material of the same type
            2) They share common genetic material but to varying degrees
            3) All have common cellular organization       4) All the above
23.       Most algal genera show haplontic life style. Find the algae which show the following life cycles respectively.   Haplo-diplontic,  Diplontic, Diplo-biontic life cycles
            1.Laminaria, Ectocarpus, Fucus                      2.Laminaria, Fucus, Ectocarpus
            3. Ectocarpus, Fucus, Polysiphonia                 4. Fucus, Ectocarpus, Polysiphonia
24.       Match the followings and choose the correct option from below
                 List-I                                                                List-II
            A. Meristem                                                     i. Photosynthesis, storage
            B. Parenchyma                                                 ii. mechanical support
            C. Collenchyma                                               iii. Actively dividing cells
            D. Sclerenchyma                                              iv. stomata
            E. Epidermal tissue                                          v. sclereids
            1) A-i, B-iii, C-v, D-ii, E-iv                              2) A-iii, B-i, C-ii, D-v, E-iv
            3) A-ii, B-iv, C-v, D-i, E-iii                              4) A-v, B-iv, C-iii, D-ii, E-i
25        How many shoot apical meritsems are likely to be present in a twig of a plant possessing, 8 branches and 48 leaves
            1. 56                            2. 8                              3. 9                                          4. 48               
26.       In a taxonomic hierarchy, from species to kingdom
            1)The number of common characters decrease                                    2) Complexity decreases
            3) More common characters are shared between members of higher taxa      
            4) Similarities between plants increase
27.       (A) : Bryophytes and tracheophytes have an embryo stage in their life cycle.
            (R) : All embryophytes show sporic meiosis with out exception
            1) Both (A) and (R) are true and (R) is correct explanation of (A)
            2) Both (A) and (R) are true and (R) is not the correct explanation of (A)
            3) (A) is true but (R) is false                            4) A is false but R is true
28.       Cycas and Adiantum resemble each other in having:
            1) Cambium                 2) Vessels                    3) Seeds                        4) Motile Sperms
29.       Consider the following four statements whether they are correct or wrong?
            a) The sporophyte in liverworts is more elaborate than that in mosses
            b) Salvinia is heterosporous
            c) The life-cycle in all seed bearing plants is diplo-haplontic
            d) In Pinus male and female cones are borne on different trees
            The two wrong statements together are
            1) Statements (b) and (c)                                  2) Statements (a) and (b)
            3) Statements (a) and (c)                                  4) Statements (a) and (d)
30.       Assertion (A) :- In cleistogamy, pollination and seed set are assured even in the absence of  pollinators
             Reason(R) :- Cleistogamous flowers are invariably unisexual
            1) Both A and R are true and R is the correct explanation of A
            2) Both A and R are true and R is not the correct explanation of A
            3) A is true but R is false                                 4) A is false but R is true
31.       Which of the following statements is / are true ?
            A) Endothecium lies beneath the epidermis
            B) Fusion of egg with male gamete is called apogamy
            C) Synergids are haploid
            D) The point at which funiculus touches the ovule is raphe
            1) A and D only           2) A and B only           3) B and D only            4) A and C only
32.       Which one of the following statements is correct for secondary succession?
            1.It is similar to primary succession except that it has a relatively fast pace
            2.It begins on a bare rock                                
            3.It occurs on a deforested site                        4.It follows primary succession
33.       Find the pair of hydrophytes that are neither in contact with soil nor air
            1) Vallisneria, Hydrilla                                    2) Hydrilla, Utricularia
            3) Salvita, Azolla                                              4) Limnophila, Ceratophyllum
34.       Assertion (A) :- The flowers of all Liliaceae members are pentacyclic
            Reason   (R) :- The flowers of Liliaceae are with five whorls of floral leaves
            1) Both A and R are true and R is the correct explanation of A
            2) Both A and R are true and R is not the correct explanation of A
            3) A is true but R is false                                4) A is false but R is true
35.          Identify the plant parts whose transverse sections show a clear and prominent pith.
            1) Dicot stem and monocot stem                    2) Dicot stem and dicot root
            3) Dicot root and monocot root                      4) Dicot stem and monocot root
36.        Which one of the following is the correct sequence of tissues present in dicot stem during secondary growth?
            1) Primary cortex, secondary cortex, phellogen, cork
            2) Cork, primary cortex, secondary cortex, phellogen
            3) Phellogen, cork, primary cortex, secondary cortex
            4) Secondary cortex, cork, phellogen primary cortex
37.       Which one of the following structural formulae of two organic compounds is correctly identified along with its related function?   
                (A)      (B)   
            1. A : Lecithin - a component of cell membrane
            2. B : Adenine - a nucleotide that makes up nucleic acids
            3. A : Triglyceride - major source of energy
            4. B : Guanine - a nitrogen base that makes up nucleic acids
38.       Which of the following statements are true about Eukaryotes? (a) They are cells with a nucleus. (b) They are found both in humans and multicellular organisms. (c) Endoplasmic reticulum is present in Eukaryotes. (d) They have chemically complexed peptidoglycon cell wall.
            1) (a), (b) and (c)         2) (a), (c) and (d)         3) (a), (b) and (d)         4) all are correct
39.        The family containing mustard, and its main characters are:
            1.Brassicaceae –Tetramerous flowers, six stamens, bicarpellary gynoecium, parietal placentation
            2.Brassicaceae – Pentamerous flowers, many stamens, pentacarpellary gynoecium, capsule type fruit.
            3.Solanaceae – Pentamerous flowers, five stamens, bicarpellary gynoecium, berry type fruit.
            4.Poaceae – Trimerous flowers, three stamens, monocarpellary gynoecium, caryopsis type fruit.
40.        Match the types of the fruits listed in Column I, with the examples listed on Column II.
            Choose the answer which gives the correct combination of alphabets of the two columns.
            Column – I                                                     Column – II
            A) Capsule                                                      p) Paddy
            B) Berry                                                          q) Mango
            C) Drupe                                                         r) Tridax
            D) Cypsela                                                      s) Tomato
                                                                                    t) Cotton
            1) A = t, B = s, C = q, D = r                            2) A = t, B = r, C = p, D = q
            3) A = s, B = t, C = q, D = r                            4) A = p, B = q, C = r, D = t


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