Identification of some plant families according to their characteristics

bold option are correct

Identification of some plant families according to their characteristics

1: How many plants in the list given below have composite fruits that develop from an inflorescence?                               Walnut, poppy, radish, fig, pineapple, apple, tomato,mulberry.

a)      2                     b) 3

b)      4                      d) 5

2: Cymose inflorescence is present in

A)     Trifolium         b) brassica

B)      Solanum          d) sesbania

3: Which family possesses adventitious  fibrous roots?

a)      Graminaceae       b) Laminaceae

b)      Asteraceae           d) none

4: Caryopsis type fruit is characteristic of the plant family?

a)      Graminacea      b) Lamiaceae

b)      Labiatae            d) Cuccurbiataceae

5: The family Laminicaceae  contains  ______type of fruit?

a)      Schizocarpous    b) caryopsis

b)      Fleshy                   d) None

6: Corolla are absent in _________family/families of plants?

a)      Euphorbiaceae           b) Labiatae

b)      Asteraceae                  d) All

7: The famous plant family brassicaceae contains_______ type of fruit?

a)      Siliqua                         b) silicle

b)      Legume                      d) none

8:  The plant family solanaceae contains _________ type of fruit?

a)      Siliqua                         b) silicle

b)      Succculentry berries                    d) none

9: Which family/ families have verticillaster type inflorescence?

a)      Brassicaceae                b) labiatae

   c) Both above                   d) none

10: The family Liliacae has__________ type of roots?

a)      Tap                               b) adventitious

b)      Contractile                  d) none

11: The flower having following characteristics Bracteate, zygomorphic, bisexual ,hypogynous, bracteolate is of_________ family?

    a) Graminaeae                  b) Asteraceae

    c) Liliaceae                         d) None

12: Erect, branched, herbaceous above and woody belower stem is chacteristics of_______ family/families?

    a) Brassicaceae                 b) Euphorbiaceae

    c) Libiatae                          d) Both b & c

13: Corolla are absent in which family/familes of plants?

      a)    Euphorbiaceae       b) Brassicaceae

      c)   Both above                 d) None

14:  Capsulic berry like frut is characteristics of _______plant family?

      a) Liliaceae                  b) Euphorbiaceae

      c) Brassicaceae          d) none

15: A simple petiolate leaf with reticulate venation serrate margin alternative pattern may be of________ family?

a)      Euphorbiaceae      b) Liliaceae

    c) Graminaceae             d) none

16: The inflorescence consisting of 2 types of flowers i.e ray florets and disc florets is of ________familiy?

    a) Brassicaceae              b) cuccurebitaceae 

    c) rosaceae                     d) asteraceae

17: Which option is correct about leave of the family Solanaceae?

a)      Alternate, stipulate, multicostate,palmate          b) compound, alternate, reticulate serrate

b)      Alternate, simple, simple, reticulate venation, ex-stipulate & entire  d) none

18:  The family economically more important is?

      a) Solanaceae             b) Brassicaceae   c) Libiatae   d) asteraceae

19: The fruits having the following characteristics, loculicidal capsules, schizocarps or nuts belong to which_______ family?

a)      Malvaceae          b) libiatae            c) asteraceae     d) Brassicaceae

20: Follicle and achene fruit is characteristic of________ family?

a)      Solanaceae        b) malvaceae     c) asteracea        d) Ranunculaceae

21: Which statement is correct regarding sepals of family?

a)      Sepals are free, 4 to 5 in number and colorful appearing as petals            b) sepals are united 4,5 in number and colorful looking like petals    c) sepals are  2, companulate, walvet aestivation              d) none

22: Which option is correct regarding the family Graminaceae,s stem?

          a) erect, cylindrical, fistular, jointed             b) erect,hairy,branched,ridged

          b) Fleshy, smooth, non-cylindrical herbaceous         d) None

23: The family euphorbiaceae consists of?

       a) 283 genera, 5100 species  b) 209 genera, 4100 species

       c) 280 genera, 7300 species  d) 283 genera, 7300 species

24: The family rosaceae contains _____ type of leaf?

a)      Alternative, simple, pinnate ,stipulate              b)compound, serrate exstipulate    c) Palmate, simple, acicular                                                     d) none             

25: Which option is correct regarding to inflorescence of family rosaceae?

      a) corymb, corymbose racemose          b) perianth , cymose c) glossary type

      d) None   

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Life Cycle of Angiosperms

Mcqs
bold options are correct

Life Cycle of Angiosperms

Ø  The angiosperm plant is

(a)Sporophyte (2n)       (b) Sporophyte (n)        (c) Gametophyte           (d) None of these

Ø  The reproductive structures in angiosperms are

(a)Leaf                            (b) Carpels                            (c) Flower                 (d) Stamens

Ø  The highly modified reproductive  leaves are

(a)Stamens and carpels       (b) Microsporophylls and megasporophylls  (c) Both a &b  

(d)Sepals and petals

Ø  Each microsporophyll consist of

(a) 3 parts                      (b) 2 parts                           (c)1 part                    (d)None of these

Ø  Each anther lobe contains

(a) 8 microsporangia                     (b) 10 microsporangia                                                                                                                             (c)2 microsporangia                                     (d)4 microsporangia

Ø  The inner most layer of sporangium wall is nutritive in nature and called as

(a)Endoderm                       (b)Mesoderm                    (c) Tapetum                    (d)Ectoderm

Ø  The microspores germinate to produce

(a)Sporophyte                           (b) Gametophyte                                (c) Female gametophyte                                                      

(d)Male gametophyte

Ø  The outer layer of microspore is thick,cuticularized and called as

(a)Exine                             (b)Intine                        (c) Tapetum                                (d)Ectoderm                 

Ø  The inner layer of microspore is thin and called as

(a)Ectoderm                     (b) Exin                          (c)Intine                                   (d)Endoderm                   

Ø  Each megasporophylls consist of

(a)2 parts                           (b)4 parts                             (c)3 parts                        (d)5 parts

Ø  The stigma is the receptive disc and receive

(a)Spores                             (b)Pollen grains                        (c)Seeds                (d)none of                  these                                              

Ø  The ovary contains one or more rounded or oval bodies the

(a)Ovules                              (b) Seeds                            (c)Spores                      (d)Egg

Ø  The ovules are born on the ovary wall upon a specialized tissue,the

(a)Placenta                           (b)Nucellus                               (c) Both a and b                      

(d)None of these

Ø  Each ovule is attached to the placenta through a short stalk,the

(a)Chalaza                              (b) Funicle                           (c)Filament                     (d)Stalk

Ø  Nucellus represents mega sporangium  ,therefore the ovule is also termed as

(a)Integumented mega sporangium                      (b) Microsporangium

(c)Mega spore                           (d) none of these

Ø  A nucellus cell enlarges in size and act as

(a)Microspore mother cell                     (b) Megaspore mother cell                           

(c)Microspore                           (d) Megaspore

Ø  The gametophyte phase of angiosperm  is

(a)Diploid                        (b) Triploid                             (c) Haploid               (d) none

Ø  The microspore is the first cell of

(a)Male gametophyte                  (b) Female gametophyte                     (c) Sporophyte

(d)None

Ø  The intine grows out through germ pore to form

(a)Germ tube                                  (b)Pollen tube                                       (c)Pollen grain

(d)None

Ø  The megaspore is the first cell of the

(a) Male gametophyte                   (b)Sporophyte                        (c)female gametophyte

(d)Thallus

Ø  The part of axis above the point of attachment of cotyledon is

(a)Hypocotyle                     (b) Epicotyle                   (c) Coleorrhiza

(d)Coleoptile

Ø  The ripened ovary is called as 

(a)Seed                             (b) Fruit                             (c) Stem                          (d) Leaf

Ø  The female gametophyte is represented by embryo sac which is

(a) 6 nucleate                   (b)7 nucleate                      (c) 8 nucleate                 (d)10 nucleate

Ø  The fertilized egg secretes a thick wall and is transformed in to

(a)Oosphere                      (b) Oospore                       (c) Zygote                        (d) None

Ø  Plumule which develops in to

(a)Root                               (b)shoot                             (c)Apex                            (d) None

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Factors of speciation

                        Bold options are right one        

     Factors of speciation

               What is/are factor of speciation out of these…..

                (a)mutuation (b) natural selection (c) varation (d) all of these

          Which of the following produce evolutionary change?

(a)  directional selection       (b) genetic drift     (c)  gene flow    (d)  all of these

Genetic drift is most powerful in

(a)  stable environments  (b)   small populations  (C)   large populations 

 (d)  changing environment

The most prevalent form of evolution, and the one proposed by Darwin, is (a) macroevolution   (b) gradualism (c) saltation (d) punctuated equilibrium

A type of speciation that allows for the production of hybrids between two species is

(a) allopatric speciation   (b) sympatric  (c) parapatric speciation  (d) bottleneck

Genetic drift is

(a)    generational fluctuations in gene frequencies that produce no effect

(b)    the effect of mutations as they spread through neighbouring populations

(c)    changes due to interbreeding with other species populations

(d)    random changes in gene frequency in a population

Gene flow is

(a)   the migration of species populations to new areas

(b)   the movement of genes between species populations

(c)   the exchange of genes during fertilization

(d)   mating between close relatives

Natural selection operates on the _______ of an individual organism.

(a)   environment

(b)       genotype

(c)       phenotype

(d)       survival

Speciation because of geographical isolation is known as

(a)   parapatric speciation

(b)       anagenesis

(c)       allopatric speciation

(d)       cladogenesis

                     Factors of speciation

A species may be reproductively isolated through which of the following causes?

(a)   anatomy

(b)       ecology

(c)       behavior

(d)       all the above

if the habitable depth of lakes is altered as a result of pollution or the lowering of water levels rates of species formation will be…..

(a)     increase  (b) decrease    (c) normal     (d) none of these

New species form when individuals with certain characteristics have a greater survival or reproductive rate than other individuals in a population and pass on these inheritable genetic characteristics to their offspring this is comes under

(a) natural selection (b) directional selection  (c) both of these  (d) none of these

reproductive isolation by pre-zygotic mechanism include

(a)hybrid inviability    (b) seed inviability  (c) mechanical isolation (d)  None of these

reproductive isolation by post-zygotic mechanism include

(a)hybrid inviability    (b) seed inviability  (c) F1 hybrid inviability(d)  All of these

Mechanism of reproductive isolation in which two species are inter fertile but have different pollinater ins called ……..

(a)     mechanical iso lation   (b) ethological isolation (c)  ecological isolation  (d) none of these

Mechanism of reproductive isolation in which two species occupy the same general area but have different habitat is called ……..

(a)     mechanical iso lation   (b) ethological isolation (c)  ecological isolation  (d) none of these

Mechanism of reproductive isolation in which two species are separated by a gap larger than their pollen and seed dispersal is called ……..

(a)     mechanical isolation   (b) ethological isolation (c)  ecological isolation  (d) geographical isolation

Mechanism of reproductive isolation in which two species occupy the same general area but flowerd in different seasons is called ……..

(a)     mechanical isolation   (b) ethological isolation (c)  ecological isolation  (d) seasonal isolation

                           Factors of speciation

Mechanism of reproductive isolation in which two species occupy the same general area but flowerd in different seasons is called ……..

(a)     mechanical isolation   (b) ethological isolation (c)  ecological isolation  (d) temporal isolation

extrinsic reproductive isolating factor that cause speciation is________

(a)     mututation   (b)  mountains   (c)   rivers    (d)  both  b&c

Intrinsic reproductive isolating factor that cause speciation is _______

(a)     mututation   (b)  mountains   (c)   rivers    (d)  both  b&c

stasipatric speciation is caused by ______ factor

(a)     intrinsic    (b)    extrinsic  (c)  both    (d) none

sympatric speciation is caused by ______ factor

(a)     intrinsic    (b)    extrinsic  (c)  both    (d) none

which speciation is caused by extrinsic factor

(a)     sympatric    (b)   stasipatric  (c)    parapatric  (d)   all of these

which speciation is caused by intrinsic factor

(a)     sympatric    (b)   allopatric (c)    parapatric  (d)   all of these

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Types of fruits

                                               Types of fruits


  Mark the right answer
bold option are right
(1) wall of fruit is known as
(A) pericarp              (b) endocarp
(c) mesocarp            (d) exocarp
(2) fruit define as
(a) ripened wall       (b) ripened ovule
(c) ripened seed       (D) ripened ovary
(3) single fruit arises from a single
(a) seed                   (b) root
(c)stem                    (D) flower
(4) false fruit is known as
(a) pericarp            (B) pseudocarp
(c) endocarp           (d) mesocarp
(5) which one is example of pseudocarp
(a) banana             (b) mango
(C) apple               (d) orange
(6) achene derived from
(a) bicarpellery pistil   (b) tricarpellery pistil
(c) compound pistil      (D) monocarpellary pistil
(7) caryopsis is the form of
(A) achenial fruit         (b) nut fruit
(c) aggregate fruit        (d) composite fruit
(8) nut is defined as
(a) soft fruit                  (B) hard fruit
(c) fleshy fruit               (d) achene fruit
(9) woody pericarp is formed in
(a) berries                     (b) samara
(C) nut                          (d) drupe
(10) fruit in which pericarp develops a membranous out growth or wing
(a) cypsela                   (b) drupe
(C) samara                   (d) achene
(11) wing help in the fruit
(a) mechanism             (B) dispersal
(c) growth                    (d) maintaince
(12) types of capsular fruit is
(A) 5                           (b) 4
(c) 3                             (d) 2
(13) siliqua is characteristic of
(A) crucifera           (b) brassica
(c) cucuurbits          (d) rose
(14) capsule is
(a) bicarpellery       (B) polycarpellary
(c) tricarpellery       (d) none of these
(15) the type of fruit with false septum
(a) pome                     (b) capsule
(C) lomentum             (d) regma
(16) mericarp is present in
(a) capsular fruit          (B) schizocarp fruit
(c) simple fruit             (d) aggregate fruit
(17) cremocarp contain
(a) parietal ovule          (b) bilocular ovule
(c) trilocular ovule        (D) suspended ovule                                                                               

(18) double samaras break into two
(a)  pericarp                  (B) mericarp
(c) endocarp                  (d) mesocarp
(19) the fruit with 3 ovary wall is
(A) simple succulents    (b) capsular
(c) dry                            (d) schizocarp
(20) berries are indehiscent with
(a) one seed                  (b) two seed
(C) many seed              (d) none
(21) epicarp endocarp and mesocarp not applicable to this type of fruit
(a) regma                     (B) pome
(c) berries                     (d) drupes
(22) aggregate fruit is collection of
(a) multiple fruitlets     (B) simple fruitlets
(c) multiple seeds         (d) one seed
(23) collection of simple fruitlets is known as
(A) etaerio                    (b) syconus
(c) strobilus                   (d) sorosis
(24) fruit formed by whole inflorescence is
(a) simple fruit             (b) dry fruit
(c) schizocarp fruit       (D) composite fruit


(25) example of sorosis is
(a) apple                 (B) pineapple
(c) oak                    (d) banana

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