Monday, April 20, 2015

BOTANY GRAND TEST ON FIRST YEAR SYLLABUS -2

BOTANY
1.      Herbarium sheets label provides information about
         
1) vegetative and floral characters of the plant
          2) Habitat and distribution of the plant
          3) Date and place of collection, common names etc. Of the plant
          4) all preserved plant specimens
2.      Identify the correct ascending sequence of taxonomic categories
1) Species→phylum→order→kingdom
2) Genus→species →order →kingdom
3) Species→Genus→order→class
4) Division→Family→order→Genus
3.      Match Column-I with column-II and select the correct option from codes given below
 Column-I                                                            Column-II
 A) Family                                                             i) tuberosum
 B) Kingdom                                                         ii) Polemoniales
 C) Order                                                              iii) Solanum
 D) Species                                                            iv) Plantae
 E) Genus                                                             v) Solanaceae
 1) A-v, B-iv, C-ii, D-i, E-iii                                    2) A-v, B-iv, C-i, D-iii, E-ii
3) A-i, B-ii, C-iii, D-v, E-iv                                     4) A-ii, B-i, C-iii, D-iv, E-v
4.      Ratio of kingdom with prokaryotes and eukaryotes in Whittaker’s classification
1) 1:4                             2) 2:3                             3) 3:2                    4) 4:1
5.      Assertion(A): Bacteria may be aerobic or anaerobic
Reason(R): Anaerobic bacterial cells do not have mitochondria where aerobic bacteria posses mitochondria.
1) Both A and R are correct and R is the correct explanation of A
2) Both A and R are correct but R is not the correct explanation of A
3) A is true and R is false                  4) R is true but A is false
6.      Assertion(A): Nutritional diversity is observed in monerans
Reason(R): Monerans are photo autorophs, photoheterophs chemoautotrophs and chemoheterotrophs.
1) Both A and R are correct and R is the correct explanation of A
2) Both A and R are correct but R is not the correct explanation of A
3) A is true and R is false                  4) R is true but A is false
7.      Landmark achievements during 17th century in the field of biology are
A) Discovery of cell (R-Hooke)
B) Study of bacterial cell(Leeuwenhoek)
C) Anatomical study of tissue (Grew & Malphighi)
D) Discovery of sexual reproduction
1) All except C                2) All except D                3) All except C      4) All the above
8.      Genera used as biofertilizers are
A) Azolla                                                     B) Nostoc
C) Anabaena                                               D) Rhizobium
E) Spirulina                                                F) Chlorella
1) A, B, & C                    2) A, B, C, D                   3) B, C, D, E         4) C, D, E, F
9.      The major pigments of rhodophyceae are
1) Chlorophylls a, d, and phycoerythrin
2) Chlorophylls a, c and phycoerythrin
3) Chlorophylls a, b and Fucoxanthin
4) Chlorophylls a, c and Fucoxanthin
10.    The reduced male gametophyte in gymnosperms and angiosperms is called
1) Stamen                      2) Pollen grain                3) Endosperm       4) Ovule
11.    Assertion(A): The zoospores in Phaeophyceae are pear shaped and have two unequal laterally attached flagella
Reason(R): The gametes in Phaeophyceae are pyriform and bear two laterally attached flagella
1) Both A and R are correct and R is the correct explanation of A
2) Both A and R are correct but R is not the correct explanation of A
3) A is true and R is false                  4) R is true but A is false
12.    Underground stems of the following spread to new niches and form new plants when the older parts die
1) Strawberry                 2) Grasses                      3) Agave                4) 1 & 2
13.    Match the following
 List-I                                                          List-II
 A) Hesperidium                                          I) Pappus
 B) Pome endocarp                                      II) Seed coat and fruit wall fused
 C) Caryopsis                                              III) Epicarp with volatile oil glands
 D) Cypsela                                                 IV) Cartilagenous
          A       B       C       D                               A       B       C       D
 1)      IV      II        I         III                   2)       III       IV      I         II
 3)      III       I         II        IV                  4)       III       IV      II        I
14.    Study the following
List-I                              List-II                                      List-III
I) Ficus                          Pillar roots                              Inflorescence with three
                                                                                      type of flowers                                                    
II) Euphorbia                 Photsynthetic stem                Tricarpellary gynoecium
III) Jasmine                   Stolons                                    Inflrorescence with 3
                                                                                      flowers
IV) Pineapple                Leafy bracts                            Compound fruit
correction combination
1) I, II only            2) I, III, IV only               3) I, II, IV only       4) I, II, III, IV

15.    Assertion(A): Coconut is drupe fruit
Reason(R): Pericarp is hard and stony in coconut
1) Both A and R are correct and R is the correct explanation of A
2) Both A and R are correct but R is not the correct explanation of A
3) A is true and R is false                  4) R is true but A is false
16.    Match the following lists
 List-I                                                          List-II
 A) Alstonia                                                 I) Roots at lower nodes of the stem
 B) Ananas sativus                                      II) Leaflets are attached at a common
                                                                      point in the leaf
 C) Sugar cane                                            III) Swollen placenta
 D) Bombax ceiba                                        IV) More than two leaves at every mode
                                                                   V) Underground lateral branches
                                                                      producing aerial leafy shoots  
 The correct match is
          A       B       C       D                                             A       B       C       D
 1)      V       III       I         II                                    2)       V       III       II        IV
 3)      IV      II        V       I                                     4)       IV      V       I         II
17.    Which of the following statements is incorrect regarding the process of external and internal fertilization?
1) Male and female gametes fuse inside the female body during internal fertilization
2) Male and female gametes fuse outside the female body during external fertilization
3) In internal fertilization, the number of eggs produced by female is more
4) In external fertilization, the number of eggs produced by female is more
18.    Off spring formed by sexual reproduction exhibit more variation than those formed by asexual reproduction because
1) Sexual reproduction is a lengthy process
2) Gametes of parents have qualitatively different genetic composition
3) Genetic material comes from parents of two different species
4) Greater amount of DNA is involved in sexual reproduction
19.    Assertion(A): Parthenogenesis means reproduction of embryo directly from an antipodal cell
Reason(R):  Antipodals are haploid structures occuring in a normally in polygonum type of embryosac
1) Both A and R are correct and R is the correct explanation of A
2) Both A and R are correct but R is not the correct explanation of A
3) A is true and R is false                  4) R is true but A is false
20.     Asexual  reproduction by budding is seen in
                                 

1) Bacteria                2)Yeast                3)Hydra                    4) 2 & 3
21.    Which of the following statements is/are true regarding reproduction in flowering plants
A) Central cell with two polar nuclei is diploid
B) Fusion of egg with male gamete is called apogamy
C) Synergids are haploid
D) The point at which funicle touches the ovule is raphe
1) A and D only              2) A and B only              3) B and D only    4) C only
22.    In a Datura flower, each locule has 20 ovules. Out of which 10% of the ovules became abortive. How many minimum number of meiotic divisions are needed for the development of remaining fertile ovules into seeds.(Datura ovary has four locules)
1) 80                              2) 90                              3) 100                   4) 120
23.    Assertion(A): Megaspore mother cell produces four megaspores by undergoing mitosis
Reason(R): Megaspore  mother cells are diploid megaspores are haploid 
1) Both A and R are correct and R is the correct explanation of A
2) Both A and R are correct but R is not the correct explanation of A
3) A is true and R is false                  4) R is true but A is false
24.    Floral formula of a flower is represented as %,, A(10) . The correct description of these symbols is
1) Actinomorphic, bisexual,10 free stamens, unilocular inferior ovary
2) Zygomorphic, unisexual, 10 fused stamens, monocarpellary inferior ovary
3) Zygomorphic, bisexual, 10 fused stamens, monocarpellary superior ovary
4) Actinomorphic, unisexual, 10  free stamens, uniovulate superior ovary
25.    Tomato, Kamanchi, Brinjal, Black gram, Garden pea, Wild pea, Potato, Onion, Garlie & Green gram These plants belongs to how many types of genera?
1) 5                                2) 6                                3) 7                       4) 8
26.    Which of the following characters of flowers cannot be represented in floral formula?
A) Sexuality of the flower
B) Symmetry of the flower
C) Number of floral organs in a whorl
D) Number of locules in the ovary
E) Cohesion of sepals
F) Type of aestivation

1) A, B, C                       2) D and F                      3) D alone             4) A, C, E & F
27.    Match the following with reference to Bentham and Hooker system
List-I
                                                          List-II
 A) Thalamiflorae                                         i) No cohorts
 B) Bicarpellatae                                          ii) 6 cohorts
 C) Heteromerae                                          iii) 4 cohorts
 D) Monochlamydae                                    iv) 3 cohorts
                    A       B       C       D                                    A       B       C       D
 1)      i         ii        iii       iv                          2)       ii        iii       i         iv
 3)      ii        iii       iv       i                            4)       iv       iii       ii        i          
28.    Identify the correct statements
1) The central part of the centriole is called axoneme
2) The outer nuclear membrane usually bears Golgivesicles
3) In the ultrastructure of a cilium /flagellum the peripheral doublets are also inter connected by linkers
4) The major components of cytoskeleton include microfilaments intermediate filaments microtubules and sphaerosomes
29.    Number of types of histone proteins observed in an eukaryotic chromatin fibre with 100 nucleosomes is
1) 500                                      2) 800                            3) 900                   4) 5
30.    Which of the following statements are correct with reference to cell membrane?
A) Hydrophilic heads of lipids are towards outside and hydrophobic tails are towards the inner part
B) Quasi fluid nature of lipids enables lateral movement of proteins with in the bilayer
C) Neutral solutes can move across the membrane by simple diffusion along concentration gradient
1) A & B                         2) A & C                         3) B & C               4) A, B, C
31.    Study the following
List-I                              List-II                                      List-III
I) Cell wall                      Non-living rigid covering       Common for all living
                                                                                      cells
II) Algal cellwall             Cellulose, Galactans,              Protects from
                                      Mannans CaCO3                      Mech.damage
III) Plant cellwall           Cellulose, hemicelluloses       Permeable
IV) Bacterail cellwall     Part of cell envelope               Covered by Glycocalyx an
                                                                                      outerside
correction combination
1) II, III, IV only              2) I & II only         3) I, II, III only       4) II, III, IV only

32.    If ‘R’ group of the  amino acid is represented by 'H' the amino acid is
          1) Alanine                2) Glycine            3) Tyrosine           4) Phenylalnine
33.    Find the number of hydrogen bonds and phosphodiester bonds present between the nucleotides, which are present in the DNA having 119A0 units length and 18 Thymine bases in it
1) 70, 70                        2) 70, 69                        3) 87, 68               4) 87, 70
34.    Assertion(A):  The aminoacids which posses both +ve and –ve charges to their R groups are Zwitterionic forms
Reason(R): The particular property of a particular amino acid depends on the ionizable nature of amino group and carboxyl group
1) Both A and R are correct and R is the correct explanation of A
2) Both A and R are correct but R is not the correct explanation of A
3) A is true and R is false                  4) R is true but A is false
35.    Find out the correct statements(s) from the following
I) In animals mitotic cell division is seen in the diploid somatic cells
II) Karyokinesis begins with prophase and ends with telophase
III) The number of nuclei that are divided in meiosis is three
IV) In higher plants, single bipolar spindle apparatus is formed during mitosis

1) I, II & IV                      2) I, III & IV only             3) II only               4) I, II, III & IV
36.    Assertion(A):  Companion cells control the sieve tube activities
Reason(R): Companion cells possess nucleus
1) Both A and R are correct and R is the correct explanation of A
2) Both A and R are correct but R is not the correct explanation of A
3) A is true and R is false                  4) R is true but A is false
37.    Select the true statement
1) Primary meristems  do not involve in secondary growth
2) Secondary meristems  do not involve in primary growth
3) Secondary meristems  are derived from primary meristems
4) Primary meristems  are formed by differentiation
38.    Match the following
 List-I                                                          List-II
 A) Dicot root                                               i) Pericycle absent
 B) Dicot stem                                             ii) Polyarch condition
 C) Monocot root                                         iii) Pith well developed
 D)Monocot stem                                         iv) Pith poorly developed
          A       B       C       D                                    A       B       C       D
 1)      i         ii        iii       iv                          2)       iv       iii       ii       i
 3)      iv       iii       i         ii                           4)       i         ii        iv       iii
39.    To produce 1 gm dry organic matter the amount of CO2, fixed is
1) 16.3 g                         2) 16.30 g                       3) 1.63g                4) 16.2g
40.    Assertion(A):  Secondary succession in a burnt forest is faster than primary succession
Reason(R): Some soil or sediments are already present
1) Both A and R are correct and R is the correct explanation of A
2) Both A and R are correct but R is not the correct explanation of A
3) A is true and R is false                  4) R is true but A is false

BOTANY KEY
1)       3
2)       3
3)       1
4)       1
5)       3
6)       1
7)       4
8)       2
9)       1
10)    2
11)    2
12)    4
13)    4
14)    4
15)    3
16)    4
17)    3
18)    2
19)    4
20)    4
21)    4
22)    2
23)    4
24)    3
25)    1
26)    2
27)    3
28)    3
29)    4
30)    4
31)    1
32)    2
33)    3
34)    4
35)    4
36)    1
37)    2
38)    2
39)    3
40)    1


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