09-CELL-THE UNIT OF LIFE

1.       Bacterial staining technique is developed by

          1) Robert Brown           2) A.V. Leeuwenhoek  3) Christian gram          4) Robert Hooke

2.      Neighbouring cells of a tissue are glued together with the help of

          1) Middle lamellum      2) Primary wall             3) Secondary wall         4) Tertiary wall

3.      Lignification and suberization results in the formation of

          1) Primary wall             2) Middle lamellum      3) Secondary wall         4) Tertiary wall

4.       Choose the incorrect match from the following

          1) RBC – round, biconcave -                   2) Bacteria – rod shaped - 

          3) Nerve cell – amoeboid -                          4) Mycoplasma – variable shapes - 

5.       Although each layer of the cell envelope in bacteria performs specific function, they all together help in

          1) Protection                 2) Attachment               3) Osmoregulation        4) Motility

6.       The chemical composition of vesicles, tubules and lamellae of a bacterial cell is/are

          1) Phospholipids and proteins                            2) Proteins only

          3) Carbohydrates and nucleic acids                   4) Amino sugars and proteins

7.       Assertion (A) : Extensive compartmentalization of cytoplasm is observed in eukaryotic cells

          Reason    (R) : Cytoplasm of eukaryotic cells possess membrane bound organelles

          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 but R is False.                                 4) R is True but A is False.

8.       Structures observed both in prokaryotic and eukaryotic cells are

          1) Ribosomes, cytoplasm, plasma membrane    

          2) Ribosomes, membrane bound cell organelles, cytoplasm

          3) Ribosomes, microbodies, vacuoles

          4) Ribosomes, nucleus, membrane bound cell organelles

9.       Place the following cells in increasing order of their size

          A) Viruses           B) PPLO            C) Bacteria        D) Mycoplasmas           E) Human RBC

          1) A B D C E                2) A C B D E                3) E C D B A                4) B D C E

10.     The percentage of proteins and lipids in plasma membrane (respectively) of erythrocytes is

          1) 52% and 40%           2) 40% and 57%           3) 60% and 40%           4) 57% and 40%

11.     Cell wall was first observed by

          1) Robert  Hooke  in oak plant                           2) Robert Brown in Tradescantia

          3) Robert Hooke in Tradescantia                       4) Leewenhoek in Bacteria

12.     Phospholipids, glycolipids, cholesterol, transmembrane protein, glycoprotein, peripheral protein, carbohydrates act as structural or functional unit of this cell component namely

          1) Cell wall                   2) Glycocalyx               3) Plasma membrane     4) Cytoplasm

13.     Few ions or molecules are transported across the membrane through A against their concentration gradient which is an energy dependent process called B. Many molecules move across the membrane without any energy requirement through C. Neutral solutes move across the membrane by D

          Correct representation of A, B, C, D in above paragraph is

          1) carrier protein, active transport, passive transport, simple diffusion

          2) passive transport, carrier protein, simple diffusion, active transport

          3) simple diffusion, active transport, carrier protein, passive transport  

          4) active transport, simple diffusion, passive transport, carrier protein

14.       Carotenoid pigments are found in

            1) Chloroplasts            2) Chromoplasts      3) Leucoplasts                 4) 1 & 2

15.       Assertion(A): ER, Golgi complex, lysosomes and vacuoles together called endomembrane system.

            Reason(R): ER, Golgi complex,lysosomes and vacuoles function in a co-ordinated manner

            1)  A and R are true and R explains A           2) A and R are true but R does not explains A                      3) A is true but R is false                                    4) A is false but R is true

16.     The macro cell organelle (reported by Porter) that divides intra cellular space as luminal and extra luminal compartments is

          1) Golgi complex          2) ER                           3) Lysosomes              4) Vacuole

17.     Steroidal hormones are synthesized in

          1) Ribosomes                2) Golgi complex                   3) SER                        4) RER

18.       What is true about ER?

          I) ER was discovered by K.R Porter.

          II) RER has 70S ribosomes attached on its surface.

          III) SER is without ribosomes

          IV) RER is frequently observed in the cells actively involved in protein synthesis and secretion

          1) I,II,III                       2) I,III,IV                    3) II,III,IV                             4) I,II,IV

19.     Assertion (A): RER is involved in protein synthesis

          Reason(R): Prokaryotes don’t synthesize proteins as they are without ER

            1)  A and R are true and R explains A           2) A and R are true and R does not explains A                      3) A is true but R is false                          4) A is false but R is true

20.       Golgi apparatus is important for

            I) Synthesis of glycoproteins             II) Synthesis of glycolipids

            III) Synthesis of cell wall materials              IV) Modification of lipids synthesized in SER

            1) I & IV Only            2) II & IV only                       3) III & IV only          4) I,II , III & IV

21.       The seat of nucleases, proteases, lipases and carbohydrases in the eukaryotic cell

            1) Vacuole                   2) Golgi complex                    3) ER                           4) Lysosomes

22.       The volume occupied by vacuole in plant cells is

            1) 60%                         2) 70%                                     3) 90%                         4) 50%

23.       Power house of the cell is

          1) Mitochondrion              2) Plastids                           3) Lysosomes              4) Vacuole

24.       Assertion(A): Mitochondria duplicate themselves by fission

          Reason(R): Mitochondria have their own circular DNA, 70S ribosomes and RNA

          1)  A and R are true and R explains A 2) A and R are true but R does not explains A                                  3) A is true but R is false              4) A is false but R is true

25.       Match the following lists

          A) Amyloplasts                        1) Fats

          B) Elaioplasts                           2) Starch

          C) Aleuroplasts                        3) Anthocyanin

          D) Chromoplasts                     4) Carotenoids

                                                            5) Proteins

          1) A-1,B-2,C3,D-5        2) A-2,B-1,C-5,D-4    3) A-5,B-4,C-3,D-1    4) A-3,B-2,C-4,D-5

26.       The number of chloroplasts per mesophyll cell is

          1) 10-30                         2) 20-40                       3) 30-60                       4) 5-15

27.    The enzymes of stroma of chloroplast are useful for  synthesis of                                                              I) Peptidoglycan  II) Carbohydrates     III) Proteins               IV) Chitin

          1) I & II                                    2) II & III                   3) III & IV                  4) I & IV

28.  Which of the following is not a correct match?

       1) Contractile vacuole of Amoeba – Excretion   

       2) Lysosomal enzymes – Optimally active at acidic PH

       3) Smooth E.R – Synthesis of steroidal hormones                                    

       4) Centrioles – Non-membranous organelles found in all eukaryotic cells

29.  The fluid nature of cell membrane is important for

       I) Formation of intercellular junctions              II) Cell division           

       III) Endocytosis                                                   IV) Secretion

       1) I, II, III & IV              2) II & III only             3) II, III & IV only       4) I, II, III only

30.  Assertion (A): Microbodies found in mycoplasmas are single membrane bound structures

       Reason (R): Mycoplasmas are prokaryotes

       1) Both ‘A’ and ‘R’ are true and ‘R’ is correct explanation to ‘A’.

       2) Both ‘A’ and ‘R’ are true but ‘R’ is not correct explanation to ‘A’

       3) ‘A’ is false but ‘R’ is true                                 4) ‘A’ is true but ‘R’ is false

08- TAXONOMY OF ANGIOSPERMS

1.         The word taxonomy was coined by

            1) J.Hutchinson           2) Linnaeus                 3) A.P. de Candolle                4) Engler

2.         Taxonomy based on morphological characters alone is

            1) Omega taxonomy                                       2) Numerical taxonomy

            3) Phylogenetic taxonomy                              4) Alpha taxonomy

3.         Assertion(A): Phylogenetic system of classification of plants was proposed in a book Genera plantarum.

             Reason(R):Post-darwinian classifications are phylogenetic classifications.

            1)  A and R are true and R explains A           2) A and R are true but R does not explains A         

3) A is true but R is false                                4) A is false but R is true

4.         Taxonomy includes ……….. basic components

            1) Five                         2) Two                         3) Three                       4) Four

5.         Numerical taxonomy is different from artificial system of classifications in giving

            1) Importance to natural relationships                        2) Importance to evolutionary trends

            3) Importance to all characters                                    4) Importance to serological tests

6.         Assertion (A): Artificial systems are not acceptable due to equal weightage to vegetative and floral characters

            Reason (R): Vegetative characters are not stable and more easily affected by environment

            1)  A and R are true and R explains A           2) A and R are true but R does not explains A         

3) A is true but R is false                                4) A is false but R is true

7.           Match the following

            1) Species plantarum                         A) Hutchinson

            2) Genera plantarum                                    B) Linnaeus

            3) Historia plantaum                                     C) Engler & Prantl  

4) Die narurlichen planzen familien            D) Bentham & Hooker

                                                                                    E) Theophrastus       

            1)1-B,2-D,3-E,4-C                  2) 1)1-B,2-D,3-A,4-C                                                            

            3) 1)1-D,2-B,3-E,4-C              4) 1)1-E,2-D,3-C,4-B

8.         APG system is an example for

            1) Oldest phylogenetic classification          2) Latest natural system of classification

            3) Latest phylogenetic classification           4) Latest alpha taxonomy

9.         Identify the wrong pair in Bentham and Hooker’s system

              1) Classes-3               2) Series-6               3) Natural orders-202     4) Monocot families -34

10.       ,,,,,,,.

            Which of the following is not true with regard to the above floral  formula of mustard?

            1) Bracts & Bracteoles are absent               2) Flower is actinomorphic                                                         3) Flower is incomplete               4) Bicarpellary syncarpus superior ovary

11.       Mother axis in a floral diagram represents

            1) Anterior side           2) Right side            3) Left side                     4) Posterior side

12.       ,,  the number of floral leaves in it is

            1) 14                            2) 10                            3) 16                            4) 18

13.       the number of whorls showing cohesion is/are

            1) 1                              2) 2                              3) 3                              4) 4

14.  Series having same number of cohorts in gamopetalae of Bentham and Hooker system

       I) Disciflorae and Bicarpellatae                         II) Calyciflorae and Inferae

       III) Heteromerae and Thalamiflorae                 IV) Heteromerae and Inferae

       1) I & IV                         2) II & III                     3) only IV                     4) III & IV

15.  Mustard flower is

       1) Actinomorphic, pentamerous, bisexual             2) Zygomorphic, tetramerous, bisexual

       3) Ebracteate, ebracteolate, pentamerous             4) Ebracteate, tetramerous, actinomorphic and bisexual

16.  Plant systematics is the study of

       I) Diversity of plants      II) History of plants    III) Evolutionary relationships among the plants

       1) I & II                           2) II & III                     3) only III                     4) I, II, III

17.  Assertion (A): Numerical taxonomy uses mathematical methods to evaluate observable differences and similarities between taxonomic groups

       Reason (R): Information from other branches like cytology, palynology, phytochemistry but not morphological characters forms criteria in omega taxonomy

       1) Both ‘A’ and ‘R’ are true and ‘R’ is correct explanation to ‘A’.

       2) Both ‘A’ and ‘R’ are true but ‘R’ is not correct explanation to ‘A’

       3) ‘A’ is true but ‘R’ is false                                 4) ‘A’ is false but ‘R’ is true

18.  The symbols ,  in it’s floral formula indicates that the flower belongs to

       1) Brassicaceae                2) Solanaceae                3) Fabaceae                   4) Liliaceae

19.  The book ‘Families of flowering plants’ contains

       1) Phylogenetic classification of Engler and Prantle

       2) Natural classification of Bentham and Hooker

       3) Sexual system of Linnaeus                               4) Phylogenetic classification of Hutchinson

20.  Based on the number of cohorts arrange the following series of Bentham and Hooker classification in ascending order

       A) Bicarpellatae             B) Thalamiflorae         C) Calyciflorae            D) Heteromerae

       1) B-C-A-D                     2) C-D-B-A                  3) D-A-C-B                  4) A-B-C-D

21.  This character can be represented only in floral diagram

       1) Fusion of floral parts                                        2) Position of gynoecium 

       3) Adhesion of floral parts                                    4) Aestivation of perianth

22.  In Bentham & Hooker’s classification series calyciflorae is

       1) After thalamiflorae and before disciflorae       2) After disciflorae and before inferae

       3) After inferae and before bicarpellatae              4) After heteromerae and before bicarpellatae

23.  How many series are found in the sub class of class dicotyledonae in which cohorts are not created in Bentham and Hooker’s classification?

       1) 7                                  2) 8                                3) 6                                4) 4

24.  Which of the following is not found in a flower of Brassica

       1) Radial symmetry                                               2) Bicarpellary syncarpous gynoecium

       3) Polypetalous corolla                                          4) Epipetalous stamens

25.      How many stamens lie on the antero-posterior line in the flower of Allium cepa?

           1) 2                                2) 3                                3) 4                                4) 6             

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.      Members of Solanaceae differ with members of Liliaceae by having

            1)Axile placentation                                                2) Hypogynous flowers

            3) Pentamerous flowers                              4) Superior ovary

28.      Match the following :

            List – I                                                           List – II

A)                Meadow saffron                              I) Dracaena aungustifolia

B)                Sarasaparilla                                   II) Gloriosa superba

C)                Spanish dagger                                III) Colchicum autumnale

D)                Red dragon                                       IV) Smilax zeylanica

                                                                                     V) Yucca gloriosa

The correct match is

                        A         B         C         D                                 A         B         C         D

            1)        I           IV        III        V                     2)        III        IV        I           V

            3)        III        IV        V         I                       4)        V         IV        II         III

29.      Study the following characters

             Bicarpellary ovary , syncarpous ovary, bilocular ovary, Superior ovary , unequal lengthed stamens, polypetalous corolla, Six stamens, dry fruit, ovales attached to false septum, Tetramerous flower, Ebracteate flower, bisexual flower, hypogynous flowers

          How many characters  from the above list observed in the taxon “Brassica”

            1) 10                                       2) 6                                         3) 12                           4) 13

30.      Liliaceae members with unisexual flowers are

            1)Asparagus, Allium                                                2)Smilax, Gloriosa              

3)Ruscus, Smilax                                                     4)Lilium, Allium

07-SEXUAL REPRODUCTION IN FLOWERING PLANTS

1.       Match the following.

          List-I                       List-II

          A)  Floriculture      I)  Pollen Fossilization

          B)  Embryology      II) The growing of ornamental flower bearing plants

          C)  Pollen robbery III) Preservation of viable pollen

          D)  Pollen Bank      IV) The study of events of fertilization

                                           V)  Consumption of pollen of flowers by insects without helping in pollination

          The correct match is

                A              B                C                D                        A              B                 C                D

          1)                    II               IV               V                   I                    2)  II            IV               V            III

          3)                    II               III               IV                 V                   4)  II            I                  IV           III

2.       The processes of microsporogenesis, megasporogenesis and embryogenesis occur respectively in

          1)  Anther, ovule, stigma                                           2)  Anther, style, ovule

          3)  Ovule, ovary, embryosac                                      4)  Anther, ovule, embryosac

3.       The wrong match regarding the morphology of following structures is

          1)  Stamen – Microsporophyll                                   2)  Carpel – Megasporophyll

          3)  Nucellus – Microsporangium                               4)  Flower – Modified shoot

4.       Choose the correct statement from following.

          1)  The pollensacs are transversely arranged in the anther

          2)  Tapetum is the female sporophytic nutritive tissue

          3)  Pollengrains are meiospores while pollen mother cells are meiocytes

          4)  The radial walls of endothecium have thickenings for hygroscopic activity

5.       The ratio between the number of male gametes produced by a male gametophyte and female gametes by a female gametophyte is

          1)  2 : 1                             2)  1 : 2                             3)  1 : 1                             4)  3 : 7

6.       The vegetative cell and generative cell of male gametophyte of angiosperms differ in their

          A)  Cell size                      B)  Cell shape                  C)  Shape of nucleus      D)  Size of nucleus

          1)  A, B only                     2)  C, D only                    3)  A, B, C only                4)  A, B, C, D

7.       Match the following.

          List-I                                                                         List-II

          A)  Pollengrain                                                         I)  Mother cell of male gametes

          B)  Megaspore                                                          II) Mother cell of male gametophyte

          C)  Central cell of embryosac                                 III) Sister cell of male gamete

          D)  Generative cell                                                   IV) Mother cell of female gametophyte

                                                                                             V)  Mother cell of endosperm

          The correct match is

                A              B                C                D                        A              B                 C                D

          1)  II               IV              V                I                    2)  II             IV               V                III

          3)  II               III              IV               V                   4)  II             I                  IV               III

8.       The pentacarpellary, syncarpous gynoecium with free stigmas and multicarpellary syncarpous gynoecium without style are respectively found in

          1)  Hibiscus and Annona  2)  Papaver and Michelia 3)  Hibiscus and Papaver  4)  Annona and Michelia

9.       Assertion (A) : The ovule is called megasporangium.

          Reason    (R) : The ovule contains nucellus, in which a megaspore mother cell is differentiated from the chalagal side.

          1)  A and R are true and R is the correct explanation of A.

          2)  A and R are true and R is not the correct explanation of A.

          3)  A is true, R is false.                                              4)  A is false, R is true.

10.     Wrong match of the following is

          1)  Loranthus – Anatropous ovule with single integument

          2)  Dolichos – Compylotropous ovule with two integuments

          3)  Polygonum – Ovule with micropyle, chalaza and funiculus on the same vertical line

          4)  Helianthus – Ovule with 180⁰ of curvature and single integument

11.     The typical embryosac of angiosperm is

          I)  Monosporic with genetically dissimilar 8 haploid nuclei

          II) Monosporic haploid, with six monokaryotic cells and one dikaryotic cell

          III) Monosporic with egg apparatus of 3 cells, antipodals of 3 cells and one central cell

          IV) Monosporic, develops from a single megaspore with 7 free nuclear divisions

          1)  All are correct except I                                         2)  All are correct except II

          3)  All are correct except III                                      4)  All are correct except IV

12.     The functional megaspore becomes embryosac in angiosperms due to cellularization after free-nuclear divisions with arrangement of cells as

          1)  Central cell in between chalazal egg apparatus and micropylar antipodals

          2)  Central cell in between micropylar egg apparatus and chalazal antipodals

          3)  Egg apparatus and central cell of chalazal side and antipodals of micropylar side

          4)  Egg apparatus of micropylar side and peripheral antipodals and central cell

13.     The growth of pollen tube is directed into the embryosac through synergid by

          1)  Antipodals                                                            2)  Polar nuclei

          3)  Filiform apparatus of egg cell                              4)  Filiform apparatus of synergid

14.     The total number of genomes in all the cells of angiospermic typical embryosac together is

          1)  7                                  2)  3                                  3)  5                                  4)  8

15.      Assertion (A) : Pollination is compulsory for fertilization in spermatophytic plants.

           Reason    (R) : The type of fertilization in all spermatophytes is double fertilization

         1)  A and R are true and R is the correct explanation of A.

         2)  A and R are true and R is not the correct explanation of A.

         3)  A is true, R is false.                                          4)  A is false, R is true.

16.      Arrange the following in correct ascending order based on their number

           I) Types of pollination in angiosperms            II) Types of flowers in commelina

           III) Types of cells in typical embryosac of angiosperms

           IV)  The embryosacs formed in a ovule

           1) IV, II, I, III             2) IV, I, II, III               3) III, I, II, IV                     4) IV, III, I, II

17.      Which of the following is not a character of anemorphilous flowers.

           1) Non sticky light pollengrains                          2) Feathery stigma              

           3) Ovary with single ovule                                  4) Unexposed stamens

18.      Match the following

           List – I                         List – II

           A) Maize                      I) Hypohydrophilous fresh water plant

           B) Yucca                     II) Long silky styles

           C) Commelina            III) Marine plant with long pollen grains

           D) Zostera                   IV) Mutual association with pollinator

                                                V) Both chasmogameous and cleistogamous flowers

           The correct match is

                     A              B               C               D                                  A               B              C              D

           1)      II              IV             V               I                      2)           II               IV             V              III

           3)      II              III             IV             V                     4)           II               I                IV             III

19.      Pickout the correct statement from following

           1) Diclinous flowers may be autogamous (or) allogamous

           2) Majority of hydrophytes have entomophilous flowers

           3) Chasmogamous flowers are always allogamous

           4) Cleistogamous flowers may be autogamous (or) Geitonogamous

20.      Wrong match with reference to type of pollination and type of agent

           1) Therophily – squirrels                                     2) Ophiophily – snakes

           3) chiropterophily – snails                                   4) Ornithophily – Birds

21.      Arrange the following steps of artificial hybridization in correct sequence of their performance from beginning

           A) Emasculation         B) Selection of parents                                              C) Bagging    

           D) Transfer of desired pollen                                                                        E) Rebagging

           1) B, A, C, D, E           2) B, A, E, C, D             3) E, D, C, A, B                   4) B, A, D, C, E

22.      Due to bursting of pollen tube after entering the embryosac, the male gametes are first released into the

           1) Central cell                                                      2) Egg cell                           

           3) Cytoplasm of synergid                                   4) Space between egg cell and synergid

23.      When tetraploid (4x) female plant is crossed with hexaploid (6x) male plant, with basic set number of chromosomes is 9, then the number of nuclei, the number of genomes and the number of chromosomes respectively participate in double fertilization respectively are

           1) 5, 12, 108                 2) 5, 13, 117                   3) 12, 12, 108                       4) 5, 5, 45

24.      Assertion (A) : The second nuclear fusion of double fertilization is called triple fusion

           Reason     (R) : The second fertilization of double fertilization involves the fusion the two male gametic nuclei and one female gametic nucleus

         1)  A and R are true and R is the correct explanation of A.

         2)  A and R are true and R is not the correct explanation of A.

         3)  A is true, R is false.                                          4)  A is false, R is true.

25.      Which of the following plant contains both nuclear endosperm and cellular endosperm.

           1) Bean                         2) Castor                        3) Coconut                           4) Wheat

26.      Find the ratio between the following structures with endosperm and without endosperm.

           A) Castor seed            B) Ground nut seed      C) Coconut fruit

           D) Bean seed               E) Maize seed                F)Pea seed

           1) 1 : 1                          2) 5 : 1                            3) 1 : 2                                  4) 2 : 1

27.      The structures of monocot embryo that are not found in dicot embryo are

           A) Coleoptile               B) coleorhiza                 C) endosperm                     D) Perisperm

           1) A, B                         2) C, D                           3) A, B, C                            4) A, B, C, D

28.    Ploidy of food storing tissue in the seeds of Ricinus and Pea respectively

          1) 2 n & 2n                   2) 2 n & 3n                3) 3n & 2n                 4) 3n &3n

29.    What is the correct arrangement of different stages of embryo?

          A. Globular                 B. Proembryo          C. Heart shaped      D. Mature embryo

          1) ABCD                      2) BCAD                    3) BACD                    4) DBAC

30.    Epiblast refers to a flap like outgrowth  of

          1) Epicotyle                 2) Hypocotyle           3) Coleoptile             4) Coleorhiza