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i=this,n=t.id+"-results";this.$results.attr("id",n),t.on("results:all",function(e){i.clear(),i.append(e.data),t.isOpen()&&(i.setClasses(),i.highlightFirstItem())}),t.on("results:append",function(e){i.append(e.data),t.isOpen()&&i.setClasses()}),t.on("query",function(e){i.hideMessages(),i.showLoading(e)}),t.on("select",function(){t.isOpen()&&(i.setClasses(),i.options.get("scrollAfterSelect")&&i.highlightFirstItem())}),t.on("unselect",function(){t.isOpen()&&(i.setClasses(),i.options.get("scrollAfterSelect")&&i.highlightFirstItem())}),t.on("open",function(){i.$results.attr("aria-expanded","true"),i.$results.attr("aria-hidden","false"),i.setClasses(),i.ensureHighlightVisible()}),t.on("close",function(){i.$results.attr("aria-expanded","false"),i.$results.attr("aria-hidden","true"),i.$results.removeAttr("aria-activedescendant")}),t.on("results:toggle",function(){var e=i.getHighlightedResults();0!==e.length&&e.trigger("mouseup")}),t.on("results:select",function(){var e,t=i.getHighlightedResults();0!==t.length&&(e=p.GetData(t[0],"data"),t.hasClass("select2-results__option--selected")?i.trigger("close",{}):i.trigger("select",{data:e}))}),t.on("results:previous",function(){var e,t=i.getHighlightedResults(),n=i.$results.find(".select2-results__option--selectable"),s=n.index(t);s<=0||(e=s-1,0===t.length&&(e=0),(s=n.eq(e)).trigger("mouseenter"),t=i.$results.offset().top,n=s.offset().top,s=i.$results.scrollTop()+(n-t),0===e?i.$results.scrollTop(0):n-t<0&&i.$results.scrollTop(s))}),t.on("results:next",function(){var e,t=i.getHighlightedResults(),n=i.$results.find(".select2-results__option--selectable"),s=n.index(t)+1;s>=n.length||((e=n.eq(s)).trigger("mouseenter"),t=i.$results.offset().top+i.$results.outerHeight(!1),n=e.offset().top+e.outerHeight(!1),e=i.$results.scrollTop()+n-t,0===s?i.$results.scrollTop(0):tthis.$results.outerHeight()||s<0)&&this.$results.scrollTop(n))},s.prototype.template=function(e,t){var n=this.options.get("templateResult"),s=this.options.get("escapeMarkup"),e=n(e,t);null==e?t.style.display="none":"string"==typeof e?t.innerHTML=s(e):d(t).append(e)},s}),u.define("select2/keys",[],function(){return{BACKSPACE:8,TAB:9,ENTER:13,SHIFT:16,CTRL:17,ALT:18,ESC:27,SPACE:32,PAGE_UP:33,PAGE_DOWN:34,END:35,HOME:36,LEFT:37,UP:38,RIGHT:39,DOWN:40,DELETE:46}}),u.define("select2/selection/base",["jquery","../utils","../keys"],function(n,s,i){function r(e,t){this.$element=e,this.options=t,r.__super__.constructor.call(this)}return s.Extend(r,s.Observable),r.prototype.render=function(){var e=n('');return this._tabindex=0,null!=s.GetData(this.$element[0],"old-tabindex")?this._tabindex=s.GetData(this.$element[0],"old-tabindex"):null!=this.$element.attr("tabindex")&&(this._tabindex=this.$element.attr("tabindex")),e.attr("title",this.$element.attr("title")),e.attr("tabindex",this._tabindex),e.attr("aria-disabled","false"),this.$selection=e},r.prototype.bind=function(e,t){var n=this,s=e.id+"-results";this.container=e,this.$selection.on("focus",function(e){n.trigger("focus",e)}),this.$selection.on("blur",function(e){n._handleBlur(e)}),this.$selection.on("keydown",function(e){n.trigger("keypress",e),e.which===i.SPACE&&e.preventDefault()}),e.on("results:focus",function(e){n.$selection.attr("aria-activedescendant",e.data._resultId)}),e.on("selection:update",function(e){n.update(e.data)}),e.on("open",function(){n.$selection.attr("aria-expanded","true"),n.$selection.attr("aria-owns",s),n._attachCloseHandler(e)}),e.on("close",function(){n.$selection.attr("aria-expanded","false"),n.$selection.removeAttr("aria-activedescendant"),n.$selection.removeAttr("aria-owns"),n.$selection.trigger("focus"),n._detachCloseHandler(e)}),e.on("enable",function(){n.$selection.attr("tabindex",n._tabindex),n.$selection.attr("aria-disabled","false")}),e.on("disable",function(){n.$selection.attr("tabindex","-1"),n.$selection.attr("aria-disabled","true")})},r.prototype._handleBlur=function(e){var t=this;window.setTimeout(function(){document.activeElement==t.$selection[0]||n.contains(t.$selection[0],document.activeElement)||t.trigger("blur",e)},1)},r.prototype._attachCloseHandler=function(e){n(document.body).on("mousedown.select2."+e.id,function(e){var t=n(e.target).closest(".select2");n(".select2.select2-container--open").each(function(){this!=t[0]&&s.GetData(this,"element").select2("close")})})},r.prototype._detachCloseHandler=function(e){n(document.body).off("mousedown.select2."+e.id)},r.prototype.position=function(e,t){t.find(".selection").append(e)},r.prototype.destroy=function(){this._detachCloseHandler(this.container)},r.prototype.update=function(e){throw new Error("The `update` method must be defined in child classes.")},r.prototype.isEnabled=function(){return!this.isDisabled()},r.prototype.isDisabled=function(){return this.options.get("disabled")},r}),u.define("select2/selection/single",["jquery","./base","../utils","../keys"],function(e,t,n,s){function i(){i.__super__.constructor.apply(this,arguments)}return n.Extend(i,t),i.prototype.render=function(){var e=i.__super__.render.call(this);return e[0].classList.add("select2-selection--single"),e.html(''),e},i.prototype.bind=function(t,e){var n=this;i.__super__.bind.apply(this,arguments);var s=t.id+"-container";this.$selection.find(".select2-selection__rendered").attr("id",s).attr("role","textbox").attr("aria-readonly","true"),this.$selection.attr("aria-labelledby",s),this.$selection.attr("aria-controls",s),this.$selection.on("mousedown",function(e){1===e.which&&n.trigger("toggle",{originalEvent:e})}),this.$selection.on("focus",function(e){}),this.$selection.on("blur",function(e){}),t.on("focus",function(e){t.isOpen()||n.$selection.trigger("focus")})},i.prototype.clear=function(){var e=this.$selection.find(".select2-selection__rendered");e.empty(),e.removeAttr("title")},i.prototype.display=function(e,t){var n=this.options.get("templateSelection");return this.options.get("escapeMarkup")(n(e,t))},i.prototype.selectionContainer=function(){return e("")},i.prototype.update=function(e){var t,n;0!==e.length?(n=e[0],t=this.$selection.find(".select2-selection__rendered"),e=this.display(n,t),t.empty().append(e),(n=n.title||n.text)?t.attr("title",n):t.removeAttr("title")):this.clear()},i}),u.define("select2/selection/multiple",["jquery","./base","../utils"],function(i,e,c){function r(e,t){r.__super__.constructor.apply(this,arguments)}return c.Extend(r,e),r.prototype.render=function(){var e=r.__super__.render.call(this);return e[0].classList.add("select2-selection--multiple"),e.html('
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s=this,i=t.id+"-results",r=t.id+"-container";e.call(this,t,n),s.$search.attr("aria-describedby",r),t.on("open",function(){s.$search.attr("aria-controls",i),s.$search.trigger("focus")}),t.on("close",function(){s.$search.val(""),s.resizeSearch(),s.$search.removeAttr("aria-controls"),s.$search.removeAttr("aria-activedescendant"),s.$search.trigger("focus")}),t.on("enable",function(){s.$search.prop("disabled",!1),s._transferTabIndex()}),t.on("disable",function(){s.$search.prop("disabled",!0)}),t.on("focus",function(e){s.$search.trigger("focus")}),t.on("results:focus",function(e){e.data._resultId?s.$search.attr("aria-activedescendant",e.data._resultId):s.$search.removeAttr("aria-activedescendant")}),this.$selection.on("focusin",".select2-search--inline",function(e){s.trigger("focus",e)}),this.$selection.on("focusout",".select2-search--inline",function(e){s._handleBlur(e)}),this.$selection.on("keydown",".select2-search--inline",function(e){var t;e.stopPropagation(),s.trigger("keypress",e),s._keyUpPrevented=e.isDefaultPrevented(),e.which!==l.BACKSPACE||""!==s.$search.val()||0<(t=s.$selection.find(".select2-selection__choice").last()).length&&(t=a.GetData(t[0],"data"),s.searchRemoveChoice(t),e.preventDefault())}),this.$selection.on("click",".select2-search--inline",function(e){s.$search.val()&&e.stopPropagation()});var t=document.documentMode,o=t&&t<=11;this.$selection.on("input.searchcheck",".select2-search--inline",function(e){o?s.$selection.off("input.search input.searchcheck"):s.$selection.off("keyup.search")}),this.$selection.on("keyup.search input.search",".select2-search--inline",function(e){var t;o&&"input"===e.type?s.$selection.off("input.search input.searchcheck"):(t=e.which)!=l.SHIFT&&t!=l.CTRL&&t!=l.ALT&&t!=l.TAB&&s.handleSearch(e)})},e.prototype._transferTabIndex=function(e){this.$search.attr("tabindex",this.$selection.attr("tabindex")),this.$selection.attr("tabindex","-1")},e.prototype.createPlaceholder=function(e,t){this.$search.attr("placeholder",t.text)},e.prototype.update=function(e,t){var n=this.$search[0]==document.activeElement;this.$search.attr("placeholder",""),e.call(this,t),this.resizeSearch(),n&&this.$search.trigger("focus")},e.prototype.handleSearch=function(){var e;this.resizeSearch(),this._keyUpPrevented||(e=this.$search.val(),this.trigger("query",{term:e})),this._keyUpPrevented=!1},e.prototype.searchRemoveChoice=function(e,t){this.trigger("unselect",{data:t}),this.$search.val(t.text),this.handleSearch()},e.prototype.resizeSearch=function(){this.$search.css("width","25px");var 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e={width:this.$container.outerWidth(!1)+"px"};this.options.get("dropdownAutoWidth")&&(e.minWidth=e.width,e.position="relative",e.width="auto"),this.$dropdown.css(e)},e.prototype._showDropdown=function(e){this.$dropdownContainer.appendTo(this.$dropdownParent),this._positionDropdown(),this._resizeDropdown()},e}),u.define("select2/dropdown/minimumResultsForSearch",[],function(){function e(e,t,n,s){this.minimumResultsForSearch=n.get("minimumResultsForSearch"),this.minimumResultsForSearch<0&&(this.minimumResultsForSearch=1/0),e.call(this,t,n,s)}return e.prototype.showSearch=function(e,t){return!(function e(t){for(var n=0,s=0;s');return e.attr("dir",this.options.get("dir")),this.$container=e,this.$container[0].classList.add("select2-container--"+this.options.get("theme")),r.StoreData(e[0],"element",this.$element),e},o}),u.define("jquery-mousewheel",["jquery"],function(e){return e}),u.define("jquery.select2",["jquery","jquery-mousewheel","./select2/core","./select2/defaults","./select2/utils"],function(i,e,r,t,o){var a;return null==i.fn.select2&&(a=["open","close","destroy"],i.fn.select2=function(t){if("object"==typeof(t=t||{}))return this.each(function(){var e=i.extend(!0,{},t);new r(i(this),e)}),this;if("string"!=typeof t)throw new Error("Invalid arguments for Select2: "+t);var n,s=Array.prototype.slice.call(arguments,1);return this.each(function(){var e=o.GetData(this,"select2");null==e&&window.console&&console.error&&console.error("The select2('"+t+"') method was called on an element that is not using Select2."),n=e[t].apply(e,s)}),-1 Class 12th Biology Important Objective Question Sexual Reproduction in Flowering Plants Chapter 2 - Exam Friends
      Categories: 12th BiologyClass 12

      Class 12th Biology Important Objective Question Sexual Reproduction in Flowering Plants Chapter 2

      Class 12th Biology Important Objective Question Sexual Reproduction in Flowering Plants Chapter 2

      Bihar Board Inter Exam 2022 All Type Question Format and PDF Chapter Wise Study Note of All (MCQs, Short Question And  Long Question)

      bihar board class 12 Science all subject And Objective note and pdf

      SEXUAL REPRODUCTION IN FLOWERING PLANTS
      Bihar Board 12th Business Studies Objective Questions and Answers

      Class 12th Biology Important Objective Question Sexual Reproduction

      1. Which of the following devices is not used by plants to prevent autogamy?

      (a) Self-incompatibility

      (b) Production of unisexual flowers

      (c) Heterostyly

      (d) Production of cleistogamous flowers

      Answer ⇒ D
      2. The edible part in coconut is the endosperm. Which part of the endosperm is called liquid syncytium?

      (a) Liquid endosperm in the coconut seed

      (b) Endosperm meat

      (c) The outermost layer of endosperm

      (d) All of these

      Answer ⇒ A
      3. The scutellum is a part of

      (a) grass cotyledon

      (b) dicot cotyledon

      (c) maize endosperm.

      (d) pericarp

      Answer ⇒ A
      4. Anemophily can be best seen in

      (a) sunflower

      (b) maize

      (c) fig

      (d) yucca

      Answer ⇒ A
      5. The single shield-shaped cotyledon in monocot is called

      (a) epiblast

      (b) coleorhiza

      (c) coleoptile

      (d) scutellum

      Answer ⇒ D
      6. When anthers mature prior to maturity of stigma, it is called

      (a) protogymy

      (b) heterostyly

      (c) dichogamy

      (d) protandry

      Answer ⇒ D
      7. The fusion of male gametes with a secondary nucleus is called

      (a) syngamy

      (b) triple fusion

      (c) geitonogamy

      (d) cleistogamy

      Answer ⇒ B
      8. The process of double fertilization was discovered by

      (a) Strasburger

      (b) P Maheshwaring

      (c) Nawaschin

      (d) Amici

      Answer ⇒ C
      9. Milky water of green coconut is

      (a) liquid female gametophyte

      (b) secretion of seedcoat

      (c) liquid endosperm.

      (d) degenerated nuclear tissue

      Answer ⇒ C
      10. What would be the number of chromosomes in the aleurone layer if the megaspore mother cell contains 10 chromosomes?

      (a) 10

      (b) 15

      (c) 20

      (d) 30

      Answer ⇒ C

      Class 12th Biology Important Objective Question Sexual Reproduction

      11. The number of meiotic divisions required to produce 400 seeds in a pea plant is

      (a) 400

      (b) 500

      (c) 600

      (d) 800

      Answer ⇒ B
      12. When the body of the ovule becomes completely inverted towards the base of the funiculus so that the micropyle and hilum come to lie very closely, such ovules are called

      (a) amphitropous

      (b) anatropous

      (c) hemianatropous

      (d) circinotropous

      Answer ⇒ B
      13. Removal of anthers from the flower bud before the anther dehisces is called

      (a) bagging

      (b) artificial pollination

      (c) emasculation

      (d) hybridization

      Answer ⇒ C
      14. Formation of an extra embryo from the nucellus or integument is called

      (a) polyspermy

      (b) apomixis

      (c) parthenocarpy

      (d) polyembryony

      Answer ⇒ D
      15. Transfer of pollen grains from the anther to the stigma of a different plant is called

      (a) xenogamy

      (b) xenia

      (c) geitonogamy

      (d) cleistogamy

      Answer ⇒ A
      16. Which of the following is not a part of the ovule (megasporangium)?

      (a) Integuments

      (b) Nucellus

      (c) Chalaza

      (d) Endothecium

      Answer ⇒ D
      17. The process of formation of microspores from a pollen mother cell through meiosis is called

      (a) megasporogenesis

      (b) microsporogenesis.

      (c) microgametogenesis

      (d) megagametogenesis

      Answer ⇒ B
      18. Which one is not a part of the anther wall?

      (a) Endothecium

      (b) Endothelium

      (c) Tapetum

      (d) Middle layers

      Answer ⇒ B
      19. Pollen grains are well preserved as fossils because of the presence of

      (a) sporopollenin

      (b) thin exine

      (c) thick intine

      (d) spiny exine

      Answer ⇒ A
      20. Egg apparatus consists of

      (a) egg cell

      (b) synergids

      (c) both egg cell and synergids

      (d) antipodals

      Answer ⇒ C


      21. Ruminate endosperm is found in

      (a). Asteraceae

      (b) Fabaceae

      (c) Euphorbiaceae

      (d) Annonaceae

      Answer ⇒ D
      22. Plants of which one of the following groups of genera are pollinated by the same agency?

      (a) ‘Ficus, Bombax, Casuarina

      (b) Triticum, Phoenix, Zea

      (b) Kigelia, Yucca, Cocos

      (d) Salvia, Jatropha, Morus

      Answer ⇒ B
      23. In which of the following plants does cleistogamy occur

      (a) Dhatura

      (b) Petunia

      (c) Commelina

      (d) Gladiolus

      Answer ⇒ C
      24. When pollination takes place between two flowers on the same plant, the process is known as

      (a) xenogamy

      (b) geitonogamy

      (c) porogamy

      (d) entomophily

      Answer ⇒ B
      25. When pollination takes place by means of bees, it is called

      (a) melitophily

      (b) myrmecophily

      (c) ornithophily

      (d) cheiropterophily

      Answer ⇒ A
      26. Pollination by birds is called

      (a) entomophily

      (b) myrmecophily

      (c) ornithophily

      (d) cheiropterophily

      Answer ⇒ C
      27. Flowers pollinated by snail and slug are called

      (a) ornithophilous

      (b) cheiropterophilous

      (c) malacophilous

      (d) entomophilous

      Answer ⇒ C

      Class 12th Biology Important Objective Question Sexual Reproduction

      28. Syngamy refers to the fusion of one of the sperm with

      (a) egg

      (b) synergids

      (c) secondary nucleus

      (d) egg and the other secondary nucleus

      Answer ⇒ A
      29. The endosperm cell of an angiosperm has the chromosomes. The number of chromosomes in the gametes would be

      (a) 8

      (b) 16

      (c) 24

      (d) 48

      Answer ⇒ A

      30. Aleurone layer is present in

      (a) cotyledons

      (b) the peripheral part of scutellum

      (b) the outermost layer of endosperm

      (d) the peripheral part of coleoptile

      Answer ⇒ C
      31. Which of the following is not correct about pome?

      (a) True fruit remains inside the swollen thalamus

      (b) Fruit develops from an apocarpous, superior ovary

      (c) Seeds develop inside the locules

      (d) Wall of the ovary is thin like a paper

      Answer ⇒ B
      32. Which of the following is a true fruit?

      (a) Coconut

      (b) Apple

      (c) Pear

      (d) Cashew

      Answer ⇒ A
      33. The edible part in Litchi is

      (a) endosperm

      (b) mesocarp

      (c) fleshy aril

      (d) pericarp

      Answer ⇒ C
      34. The outer wall (exine) of a pollen grain is composed of one of the most resistant biological materials, known as

      (a) tannin

      (b) pectocellulose

      (c) sporopollenin

      (d) lignin

      Answer ⇒ C
      35. When the body of the ovule, embryo sac, micropyle and funicle, all lie in one straight plane, the ovule is known as

      (a) orthotropous

      (b) amphitropous ic anatropous

      (d) campylotropous

      Answer ⇒ A
      36. When the ovule is curved, and along with the ovule the embryo sac becomes horse-shoe shaped, such an ovule is called

      (a) anatropous

      (b) circinotropous

      (c) amphitropous

      (d) orthotropous

      Answer ⇒ C
      37. The embryo sac is called monosporic when it develops from

      (a) all the four megaspores

      (b) two functional megaspores only

      (c) three micropylar megaspores only

      (d) one of the four megaspores which becomes functional

      Answer ⇒ D
      38. When the pollen grains are transferred by the agency of air, this type of pollination is called

      (a) anemophily

      (b) entomophily

      (c) ornithophily

      (d) myrmecophily

      Answer ⇒ A
      39. The female gametophyte of a typical dicot is also called Polygonum type of embryo sac. At the time of fertilization, mature embryo sac is

      (a) 7-celled, 7-nucleate

      (b) 7-celled, 8-nucleate,

      (c) 8-celled, 7-nucleate

      (d) 8-celled, 8-nucleate

      Answer ⇒ B
      40. How many pollen mother cells should undergo meiotic division to produce 64 pollen grains?

      (a) 64

      (b) 32

      (c) 16

      (d) 8

      Answer ⇒ C

      41. In a fully developed male gametophyte, the number of nuclei is

      (a) one

      (b) five

      (c) three

      (d) four

      Answer ⇒ C
      42. The innermost layer of anther is tapetum whose function is

      (a) dehiscence

      (b) mechanical

      (c) nutrition

      (d) protection

      Answer ⇒ C
      43. When micropyle, chalaza, and hilum lie in a straight line, the ovule is said to be

      (a) anatropous

      (b) orthotropous

      (C) amphitropous

      (d) campylotropous

      Answer ⇒ B
      44. In female gametophyte of a typical dicot at the time of fertilization is

      (a) 8-celled

      (b) 7-celled

      (c) 6-celled

      (d) 5-celled

      Answer ⇒ B
      45. Polygonum type of embryo sac is

      (a) 8-nucleate, 7-celled

      (b) 8-nucleate. 8-celled

      (C) 7-nucleate, 7-celled

      (d) 7-nucleate, 3 celled

      Answer ⇒ A
      46. One of the most resistant biological material present in the exine of the pollen grain is

      (a) pectocellulose

      (b) sporopollenin

      (c) suberin

      (d) cellulose

      Answer ⇒ B
      47. Callas enzyme which dissolves callose of pollen tetrads to separate four pollen is provided by

      (a) pollens

      (b) tapetum

      (c) middle layers

      (d) endothecium

      Answer ⇒ B
      48. Study of pollen grains is called

      (a) micrology

      (b) anthology

      (c) palynology

      (d) promology

      Answer ⇒ C
      49. The pollen grain is a

      (a) megaspore

      (b) microspore

      (c) microsporophyll

      (d) microsporangium

      Answer ⇒ B
      50. The stamens represent

      (a) microsporangia

      (b) male gametophytes

      (c) male gametes

      (d) microsporophylls

      Answer ⇒ D
      51. Pollen kitt is generally found in

      (a) anemophilous flowers

      (b) entomophilous flowers

      (c) ornithophilous flowers

      (d) malacophilous flowers

      Answer ⇒ B

      52. How many meiotic divisions are required for the formation of 100 functional megaspores ?

      (a) 100

      (b) 50

      (c) 25

      (d) 26

      Answer ⇒ A
      53. Plant with ovaries having only one or a few ovules are generally pollinated by

      (a) bees

      (b) butterflies

      (c) birds

      (d) wind

      Answer ⇒ D
      54. Even in the absence of pollinating agents seed-setting is assured in

      (a) Commelina

      (b) Zostera

      (c) Salvia

      (d) Fig

      Answer ⇒ A
      55. During the process of fertilization, the pollen tube of the pollen grain usually enters the embryo sac through

      (a) integument

      (b) nucleus

      (c) chalaza

      (d) micropyle

      Answer ⇒ D
      56. The filiform apparatus is present in

      (a) synergids

      (b) egg cell

      (c) antipodals

      (d) secondary nucleus

      Answer ⇒ A
      57. Modified shoot with highly condensed internodes is

      (a) leaf

      (b) flower

      (c) microsporophyll

      (d) megasporophyll

      Answer ⇒ B
      58. Anther is generally

      (a) monosporangiate

      (b) bisporangiate

      (c) tetrasporangiate

      (d) trisporangiate

      Answer ⇒ C
      59. In angiosperms, various stages of reductional division can best be studied in

      (a) young anthers

      (b) mature anthers

      (c) young ovules

      (d) endosperm cells

      Answer ⇒ A
      60. Feathery stigma occurs in

      (a) Pea

      (b) Wheat

      (c) Datura

      (d) Caesalpinia

      Answer ⇒ B
      61. Part of the gynoecium which receives the pollen is called

      (a) style

      (b) stigma

      (c) ovule

      (d) ovary

      Answer ⇒ B

      Class 12th Biology Important Objective Question Sexual Reproduction Class 12th Biology Important Objective Question Sexual Reproduction Class 12th Biology Important Objective Question Sexual Reproduction Class 12th Biology Important Objective Question Sexual Reproduction Class 12th Biology Important Objective Question Sexual Reproduction Class 12th Biology Important Objective Question Sexual Reproduction Class 12th Biology Important Objective Question Sexual Reproduction
      
      Class 12th Biology Important Objective Question Sexual Reproduction Class 12th Biology Important Objective Question Sexual Reproduction Class 12th Biology Important Objective Question Sexual Reproduction Class 12th Biology Important Objective Question Sexual Reproduction Class 12th Biology Important Objective Question Sexual Reproduction Class 12th Biology Important Objective Question Sexual Reproduction Class 12th Biology Important Objective Question Sexual Reproduction
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