SEXUAL REPRODUCTION

1-       Transfer of pollens from stamen to pistil is called

     a) Transpiration                b) Fertilization        

               c) Pollination                   d) Ovarization

 

2-       After the fertilization the food of seed is formed by

a) Anther              b) Ovary                  c) Pollen tube

d) Endosperm                e) Egg

 

3-       During the life cycle of fern , the fern plant is

a) The sporophyte    b) The gametophyte       c) Prothallus

    d) Produces egg and sperm     e) Developed from spore

 

4- The structure that includes all the others is

a) Ovary    b) Ovule    c) Style       d) Pistile      e) Stigma

 

5-       Ligustrum vulgare has 48 chromosome . How many chromosomes are there endosperm of this plant ?

a) 48            b) 24          c) 72           d) 144       e) 192

 

6- The group of petals is called

a) Pistil     b) Calyx   c) Stamen    d) Corolla     e) Stigma

 

7-       In plants egg is produced in

a) Anther     b) Ovary     c) Flament    d) Testis    e) Style

 

8-       In plants pollens are produced in

a) Ovary     b) Anther     c) Stamen     d) Stigma  e) Style

 

9- The group of sepals is called

a) Pistil       b) Calyx    c) Stamen   d) Corolla   e) Stigma

 

10-    Which is not a main part of flower ?

a) Sepal     b) Seed     c) Stamen     d) Petal       e) Pistil

 

11- All of the following are correct about the life cycle of ferns EXCEPT:

a) Formation gametes by meiosis

b) Formation of spores by meiosis

c) Union of sperm and egg cells

d) Formation of spores by sporophyte plant           

e) Reduction of chromosome number into half by meiosis

 

12- Which is not a part of pistil ?

a) Stigma      b) Ovule     c) Style    d) Ovary   e) Flament

 

13-Double fertilization refers to the fact that

a)two eggs are fertilized by a single sperm

b)two eggs are fertilized by two sperm

c)one sperm fuses with the egg; the other fuses with the polar nuclei

d)one sperm fuses with the egg; the other fuses with the vegetative nucleus.

 

14-In the gymnosperm, the megaspore mother cell is produces from the tissue of

a)the integument.    b) the nucellus.   c) the microsporangia.        d) the endosperm.

15-In monocots, the cotyledons, or embryonic leaves, function primarily

a) as photosynthetic organ     b) in nutrient absorption

c) as protective covering for the seed    d) in food storage

 

16-In the  seed plants, each megasporangium produces how many functioning megaspores?

a)Two             b) Four               c) One             d) Many

 

17-If a plant produces flowers that are the same color as its leaves, then it is likely that pollination of that plant occurs by

a) Birds        b) Wind        c) Insects        d) Animals

 

18- In the life cycle of the seed plants, the dominant generation is

  a) Haploid (1N)        b) Diploid (2N)      

 c) Triploid (3N)        d) Haploid and diploid are equally    dominant

19- In ferns, haploid ( n ) phase begins with formation of

A- Zygote             B- Egg             C- Antheridium

D- Archegonium           E- Spores

 

 

IN PLANTS

20-   1-Fern spores germination  

        2- Fern gametophyt formatıon  

        3- Formation of polen in flower

Which of the  given above events has some actions with the formation of sperms in humans ?

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

 

21-Seed develops from

A- Hilum    B-Pollen tube  C-Ovary  D- Anther E- Ovole

 

22-Pollens are prodeced in .

A- Ovary  B- Stigma  C- Anther   D- Filament  E- Ovule

 

23- Fruits develop from.

 A- Ovary   B- Stigma  C- Anther  D- Filament E- Ovule

 

24-After fertilization, the embryo of seed is formed by

A- Zygote              B- Egg            C- Sperm nucleus

D- polar nucleus          E- Embryo sac

25-Transfer of pollen  from stamen to pistil is called.

A- Transpiration        B- Fertilization            C- Pollination          D- All of them        E- None of them

26-The formation of egg in the ovary is called.

A- Spermatogenesis              B- Gametogenesis

C- Oogenesis                  D- Pollination

27-The structure that includes all the others is the

A- Ovary     B- Ovule    C- Style     D- Pistil    E- Stigma

 

28- In flowering plants, fertilization occurs in..

 A- Ovary           B- Ovule             C- Style    

         D- Pistil               E- Embryo sac

 

29-Which is not  a main part of flower ?

A- Sepal      B- Seed   C- Stamen      D- Petal      E- Pistil

 

30-In flowering plants, how many egg  cells are formed from 15 megasporocytes ?

A- 60          B- 45          C- 30          D- 15           E- 0

 

30-In flowering plants, how many pollens are formed from 10 microsporocytes ?

A- 10          B- 20           C- 30            D- 40           E- 50

 

31-The group of petals is called.

 A- Pistil   B- Calyx   C- Stamen   D- Coralla   E- Pedicel

 

32-In ferns, haploid ( n ) phase begins with formation of

A- Zygote             B- Egg             C- Antheridium

D- Archegonium           E- Spores

33-In flowering plants, which of the following reproductive structures and its origin is incorrectly paired

                Reproductive structure                           Origin  

A-                  Pollen tube                                        Style

B-                 Sperm nucleus                               Pollen tube

C-                     Embryo                                         Ovary

D-                  Endosperm                                       Seed

E-                     Embryo                                         Pollen

 

34-Which of the following is not found in structure of seed ?

A- Cotyledon            B- Egg            C- Embryo

D- Endosperm            E- Testa

35-Which of the following is  true for all parts in mosses ?

              Sporophyte     Gametophyte     Gametes      Zygote                              

A-                 n                        n                     n               2n

B-               2n                        n                    2n                n

C-               2n                       2n                    n                2n

D-              2n                         n                     n                2n

E-               2n                       2n                   2n               2n

 

36-In ferns, gametes are produced by means of.

A- Meiosis                B- Mitosis               C- Fertilization                D- All of them           E- None of them

37- Which of the following would you not expect to find in the seeds of a following plant?

 

A) Cotyledon      B)Egg         C) Embryo          D)Endosperm        E) Testa

 

38- Which of the following structure marks the begin of the haploid phase ?

A) Zygote                    B) Egg               C) Atheridium      

                 D) Portholes                   E) Spore  

 

39- Which of the following is an adoption of a plant to wind pollination ?

A)      a large flower

B)      rough shaped pollen

C)      dioecious characteristic

D)      a large amount of plant

E)      brightly coloured flowers

 

40-Charecteristics of a true fruit include all of the following except:

a)it is a structure found only in the flowering plants (Angiosperms).

b)a true fruit develops from the maternal sex organ, the ovary.

c)inside a true fruit is a seed, which contains the plant embryo.

d)the cellular structure of the fruit is indistinguishable from the rest of the plant.

 

41-Which of the following is the correct sequence during alternation of

generations in a flowering plant?

a. sporophyteƒƒmeiosisƒƒgametophyteƒƒgametesƒƒfertilizationƒƒdiploid

zygote

b. sporophyteƒƒmitosisƒƒgametophyteƒƒmeiosisƒƒsporophyte

c. haploid gametophyteƒƒgametesƒƒmeiosisƒƒfertilizationƒƒdiploid

sporophyte

d. sporophyteƒƒsporesƒƒmeiosisƒƒgametophyteƒƒgametes

e. haploid sporophyteƒƒsporesƒƒfertilizationƒƒdiploid gametophyte

 

42-In which part of a plant does the appical meristem not grow?

a) Lateral braches                b) Leaves              c) Buds

d) Flowers                            e) vascular tissues

 

43-Which of the following cells have properties is written next sentence : thin membrane, small vacuols, highly reproductive

a) Cambium           b) Sponge             c) Parenchyma

d) Collenchyma                                   e) Epidermis

 

 

44- The structure of a flowering plant that produces pollen is which of the following?

             A- Stigma

             B- Style     

             C- Filament    

             D- Anther  

             E- Sepal

 

45- Which is not a main part of flower?

  1. pistil
  2. stamen
  3. petal
  4. sepal
  5. archegonium

 

46- The pollen grains are produced in:

  1. ovary
  2. ovule
  3. anther
  4. filament petal

 

47- All of the followings are the seedless plants EXCEPT.

  1. ferns
  2. mosses
  3. algae
  4. gymnosperms
  5. horsetails

 

48- In plants the gametes are formed by;

  1. mitosis
  2. meiosis
  3. fertilization
  4. cytokinesis
  5. none of these

49- The pollen grain is related to the embryo sac as    the

A) sperm is to the egg       

B) sperm is to the microgametophyte

C) egg is to the megagametophyte

D) microgametophyte is to the megagametophyte

. spore is to the gamete

50- Which sequence best describes the plant life cycle? A. zygote > sporophyte

B. spore > sporophyte

C. ovary > seed


 

 

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