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Scientific name of Aswagandha?

Published Tue, Apr 15 2014 10:12 PM | Last Updated on Thu, Jul 11 2019 5:01 PM

Scientific name of Aswagandha? - Sakshi

Scientific name of Aswagandha?

 1.    True statement regarding stamens is / are
 I.    In a single flower stamens differ in their  lengths
 II.    Stamens in different flowers show different shapes
 III.    Stamens of different flowers show different attachments
 IV.    Stamens are always bilobed at their distal ends
     1) I & II        2) II, III & IV
     3) I, II & III          4) I, II & IV

 2.    Monothecous condition is seen in    
     1) Papaver    2) Hibiscus        3) Annona    4) Michelia

 3.    In a mature anther of Datura the number of pollen sacs are
 1)    4, at each corner of the anther    
 2)    2, on each side of the central sterile tissue
 3)    Only one covered by anther wall            
 4)    Only one due to dissolution of sterile tissue

 4.    Assertion A: In fully mature anther lobe tapetal cells are not seen.
     Reason R: Tapetal cells serve as food material for growing spores.    
 1)    Both A and R are true and R is the correct explanation of A.
 2)    Both A and R are true but R is not the correct explanation of A.
 3)    A is true, R is false
 4)    A is false, R is true

 5.    Endothecium is present between
 1) Middle layers and tapetum
 2)    Tapetum and sporogenous tissue
 3)    Middle layers and epidermis
 4)    Outside epidermis

 6.    First cell of the gametophyte is
 1)    Gamete        
 2) Vegetative cell
 3)    Generative cell    
 4) Spore

 7.    True statement regarding tapetum is
 A.    It is the only the layer that completely covers the sporogenous tissue
 B.    Cells of tapetum show more than one nucleus
 C.    In a mature anther lobe tapetum cannot be seen.
 D.    It is the inner most layer of the anther wall
     1. A & B    2. B & C
     3. B, C & D    4. A, B, C & D

 8.    Characters of vegetative and generative cells of male spore are    
 1)    Vegetative cell shows
     large round nucleus
 2)    Small generative cell floats in the cytoplasm of vegetative cell
 3)    Nucleus of generative cell is spindle shaped
 4)    generative cell feeds on vegetative cell.

 9.    Megasporangium is
     1) Nucellus        2) Carpel    3) Ovule        4) Pistil

 10.    Ovules without integument is seen in                    1) Helianthus          2) Loranthus
     3) Datura          4) Monocots
 11.    Female gametophyte is
 1) Megaspore mother cell
 2)    Functional megfa spore
 3)    Embryo sac
 4)    Egg apparatus

 12.    Ploidy of MMC and nucellus respectively is
 1) Haploid, Diploid
 2)    Diploid , Haploid
 3)    Haploid, Haploid
 4)    Diploid, Diploid

 13.    A typical angiospermic embryo sac shows
     1) 8 celled and 7 nucleate        2) 8 celled and 8 nucleate    
     3) 7 celled and 7 nucleate        4) 8 celled and 7 nucleate

 14.    Number of cells that do not participate in reproduction        1) One        2) Four        
     3) Five        4) Seven

 15.    Monosporic type of embryosac is
 1)    Embryosac developed from single spore
 2)    Only one spore develops into embryosac
 3)    Embryosac developing into one sporophyte
 4)    Embryosac fertilized by one microspore

 16.    Assertion A: Geitonogamy & Xenogamy can take place in Cocos                
     Reason R: Cocos is monoecious plant. Pollen may be from same or different plant.
 1) Both A and R are true and R is the correct explanation of A.
 2) Both A and R are true but R is not the correct explanation of A.
 3) A is true, R is false
 4) A is false, R is true

 17.    Synchronization of pollen and pistil maturation takes place in
     A. Viola             B. Oxalis        C. Commelina        D. Solanum
     1) A, B, C        2) Only C    3) Only D        4) A, C

 18.    True statement regarding anemophilous flowers
 I.    It is the most common method of pollination    
 II.    Stigmas may be feathery
 III.    Single seeded fruits are a character
 IV.    Sticky pollen grains to stick easily to stigma
     1) I & II    2) II & III
     3) III & IV    4) IV & I

 19.    Assertion A: In Commelina always self pollination takes place.
     Reason R: Commelina shows cleistogamous flowers.
 1) Both A and R are true and R is the correct explanation of A.
 2) Both A and R are true but R is not the correct explanation of A.
 3) A is true, R is false
 4) A is false, R is true

 20.    Enormous amount and light weight pollen grains are produced in
 1) Anemophilous flowers
 2) Entemophilous flowers
 3) Ornithophilous flowers
 4) Hypohydrophilous flowers

 21.    Characteristic feature of plants pollinated by flies and beetles is
 1)    Flowers emanate foul smell.
 2)    Aquatic plants
 3)    Flowers are colourless
 4)    Flowers with short styles

 22.    At the time of entry of pollen tube into ovule    
 1)    Generative cell disappears
 2)    Generative cell divides into gametes
 3)    Vegetative cell guides the tube
 4)    Pollen tube disintegrates

 23.    In artificial hybridization emasculation is
 1)    To prevent unwanted pollination
 2)    To prevent self pollination
 3)    To make flower into unisexual
 4)    To encourage cross pollination

 24.    Assertion A: Endosperm
     development precedes embryo development
     Reason R: Endosperm provides assured nutrition to the developing embryo
 1)    Both A and R are true and R is the correct explanation of A.
 2)    Both A and R are true but R is not the correct explanation of A.
 3)    A is true, R is false
 4)    A is false, R is true

 25.    Example for endospermic seed is
     1) Castor    2) Pea             3) Bean    4) Ground nut

 26.    Animal dispersed seeds among the following
 I.    Coconut        II. Grass
 III.    Martynia    IV. Figs
     1) I & II    2) II & III        3) III & IV    4) II, III & IV

 27.    Production seeds without fertilization is
 1)    Parthenocarpy
 2)    Parthenogenesis
 3)    Apomixes     4) Polyembryony

 28.    Sequential order of four basic components of taxonomy is
 A.    Classification
 B.    Nomenclature
 C.    Identification
 D.    Characterization
 1) D  B  C  A     2) A  C  B  D
 3) C  B  D  A     4) D  C  B  A

 29.     True statement regarding Artif-icial system of classification is
 1)    Anatomy is one of the criteria for the system of  classification
 2)    Number of petals can be the criteria for the classification
 3)    Identification of an unknown plant is difficult
 4)    'Species Plantarum' is a natural system of classification

 30.    True statement regarding Bentham & Hooker's classification
 I.    It is a natural system of classification    
 II.    It is published after Darwin's "Origin of Species'.
 III.    It is the classification of only flowering plants    
 IV.    They published the book in the name 'Historia Plantarum'
     1) I & II    2) II & III
     3) II & IV    4) I, II & III

 31.    Total number of cohorts in B & H classification            
    1) 15      2) 25      3) 10    4) 21

 33.    Cohorts are equal to present day    1) Orders    2) Families        3) Series    4) Sub class

 34.    Total number of angiospermic families in B & H classification is    
     1) 202     2) 165       3) 199    4) 34

 35.    Which of the following can be represented in a floral formula    
 1)    Superior ovary, axile     placentation
 2)    Zygomorphic flower, Inferior ovary
 3)    Petal 5, twisted aestivation
 4)    Unisexual female flower, perigynous flower

 36.    Plants used as fodder
     1) Sesbania, Tephrosia
     2) Glucine , Arachis    
     3) Dalbergia, Pterocarpus
     4) Crotalaria, Phaseolus

 37.    Scientific name of Aswagandha ?
 1)    Solanum nigrum    
 2)    Petunia alba        
 3)    Withania somnifera
 4)    Datura metal

 38.     Assertion A: Stamen and petals fall off at the same time in Solanaceae                
     Reason R: Stamen are
     epipetalous in Solanaceae
 1)    Both A and R are true and R is the correct explanation of A.
 2)    Both A and R are true but R is not the correct explanation
 of A.
 3)    A is true, R is false    
 4)    A is false, R is true

 39.    Reticulate venation in monocot plant is seen in    
 1) Spanish dagger
 2) Sarsaparilla
 3) Medow saffron
 4) Glory lily

 40.    True statement regarding Liliaceae family is
 I.    Undistinguished perianth
 II.    Anterior odd tepal
 III.    Zygomorphi c flowers
 IV.    Trimerous flowers
     1) I, II, III    2) I , II
     3) II, III, IV    4) I, II, IV
 
 Key
 1) 3    2) 2    3) 2     4) 1     5) 3
 6) 4    7) 4    8) 2    9) 3    10) 2
 11) 3    12) 4    13) 4    14) 3    15) 2
 16) 1    17) 1    18) 2    19) 4    20) 1
 21) 1    22) 2    23) 2    24) 1    25) 1
 26) 4    27) 3    28) 4    29) 2    30) 4
 31) 2    32) 3    33) 1    34) 3    35) 2
 36) 4    37) 3    38) 1    39) 3    40) 4

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