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s(e,t){s.__super__.constructor.call(this)}return n.Extend(s,n.Observable),s.prototype.current=function(e){throw new Error("The `current` method must be defined in child classes.")},s.prototype.query=function(e,t){throw new Error("The `query` method must be defined in child classes.")},s.prototype.bind=function(e,t){},s.prototype.destroy=function(){},s.prototype.generateResultId=function(e,t){e=e.id+"-result-";return e+=n.generateChars(4),null!=t.id?e+="-"+t.id.toString():e+="-"+n.generateChars(4),e},s}),u.define("select2/data/select",["./base","../utils","jquery"],function(e,a,l){function n(e,t){this.$element=e,this.options=t,n.__super__.constructor.call(this)}return a.Extend(n,e),n.prototype.current=function(e){var t=this;e(Array.prototype.map.call(this.$element[0].querySelectorAll(":checked"),function(e){return t.item(l(e))}))},n.prototype.select=function(i){var e,r=this;if(i.selected=!0,null!=i.element&&"option"===i.element.tagName.toLowerCase())return i.element.selected=!0,void this.$element.trigger("input").trigger("change");this.$element.prop("multiple")?this.current(function(e){var t=[];(i=[i]).push.apply(i,e);for(var n=0;n<i.length;n++){var s=i[n].id;-1===t.indexOf(s)&&t.push(s)}r.$element.val(t),r.$element.trigger("input").trigger("change")}):(e=i.id,this.$element.val(e),this.$element.trigger("input").trigger("change"))},n.prototype.unselect=function(i){var r=this;if(this.$element.prop("multiple")){if(i.selected=!1,null!=i.element&&"option"===i.element.tagName.toLowerCase())return i.element.selected=!1,void this.$element.trigger("input").trigger("change");this.current(function(e){for(var t=[],n=0;n<e.length;n++){var s=e[n].id;s!==i.id&&-1===t.indexOf(s)&&t.push(s)}r.$element.val(t),r.$element.trigger("input").trigger("change")})}},n.prototype.bind=function(e,t){var n=this;(this.container=e).on("select",function(e){n.select(e.data)}),e.on("unselect",function(e){n.unselect(e.data)})},n.prototype.destroy=function(){this.$element.find("*").each(function(){a.RemoveData(this)})},n.prototype.query=function(t,e){var n=[],s=this;this.$element.children().each(function(){var e;"option"!==this.tagName.toLowerCase()&&"optgroup"!==this.tagName.toLowerCase()||(e=l(this),e=s.item(e),null!==(e=s.matches(t,e))&&n.push(e))}),e({results:n})},n.prototype.addOptions=function(e){this.$element.append(e)},n.prototype.option=function(e){var t;e.children?(t=document.createElement("optgroup")).label=e.text:void 0!==(t=document.createElement("option")).textContent?t.textContent=e.text:t.innerText=e.text,void 0!==e.id&&(t.value=e.id),e.disabled&&(t.disabled=!0),e.selected&&(t.selected=!0),e.title&&(t.title=e.title);e=this._normalizeItem(e);return e.element=t,a.StoreData(t,"data",e),l(t)},n.prototype.item=function(e){var t={};if(null!=(t=a.GetData(e[0],"data")))return t;var n=e[0];if("option"===n.tagName.toLowerCase())t={id:e.val(),text:e.text(),disabled:e.prop("disabled"),selected:e.prop("selected"),title:e.prop("title")};else if("optgroup"===n.tagName.toLowerCase()){t={text:e.prop("label"),children:[],title:e.prop("title")};for(var s=e.children("option"),i=[],r=0;r<s.length;r++){var o=l(s[r]),o=this.item(o);i.push(o)}t.children=i}return(t=this._normalizeItem(t)).element=e[0],a.StoreData(e[0],"data",t),t},n.prototype._normalizeItem=function(e){e!==Object(e)&&(e={id:e,text:e});return null!=(e=l.extend({},{text:""},e)).id&&(e.id=e.id.toString()),null!=e.text&&(e.text=e.text.toString()),null==e._resultId&&e.id&&null!=this.container&&(e._resultId=this.generateResultId(this.container,e)),l.extend({},{selected:!1,disabled:!1},e)},n.prototype.matches=function(e,t){return this.options.get("matcher")(e,t)},n}),u.define("select2/data/array",["./select","../utils","jquery"],function(e,t,c){function s(e,t){this._dataToConvert=t.get("data")||[],s.__super__.constructor.call(this,e,t)}return t.Extend(s,e),s.prototype.bind=function(e,t){s.__super__.bind.call(this,e,t),this.addOptions(this.convertToOptions(this._dataToConvert))},s.prototype.select=function(n){var e=this.$element.find("option").filter(function(e,t){return t.value==n.id.toString()});0===e.length&&(e=this.option(n),this.addOptions(e)),s.__super__.select.call(this,n)},s.prototype.convertToOptions=function(e){var t=this,n=this.$element.find("option"),s=n.map(function(){return t.item(c(this)).id}).get(),i=[];for(var r=0;r<e.length;r++){var o,a,l=this._normalizeItem(e[r]);0<=s.indexOf(l.id)?(o=n.filter(function(e){return function(){return c(this).val()==e.id}}(l)),a=this.item(o),a=c.extend(!0,{},l,a),a=this.option(a),o.replaceWith(a)):(a=this.option(l),l.children&&(l=this.convertToOptions(l.children),a.append(l)),i.push(a))}return i},s}),u.define("select2/data/ajax",["./array","../utils","jquery"],function(e,t,r){function n(e,t){this.ajaxOptions=this._applyDefaults(t.get("ajax")),null!=this.ajaxOptions.processResults&&(this.processResults=this.ajaxOptions.processResults),n.__super__.constructor.call(this,e,t)}return t.Extend(n,e),n.prototype._applyDefaults=function(e){var t={data:function(e){return r.extend({},e,{q:e.term})},transport:function(e,t,n){e=r.ajax(e);return e.then(t),e.fail(n),e}};return r.extend({},t,e,!0)},n.prototype.processResults=function(e){return e},n.prototype.query=function(t,n){var s=this;null!=this._request&&("function"==typeof this._request.abort&&this._request.abort(),this._request=null);var i=r.extend({type:"GET"},this.ajaxOptions);function e(){var e=i.transport(i,function(e){e=s.processResults(e,t);s.options.get("debug")&&window.console&&console.error&&(e&&e.results&&Array.isArray(e.results)||console.error("Select2: The AJAX results did not return an array in the `results` key of the response.")),n(e)},function(){"status"in e&&(0===e.status||"0"===e.status)||s.trigger("results:message",{message:"errorLoading"})});s._request=e}"function"==typeof i.url&&(i.url=i.url.call(this.$element,t)),"function"==typeof i.data&&(i.data=i.data.call(this.$element,t)),this.ajaxOptions.delay&&null!=t.term?(this._queryTimeout&&window.clearTimeout(this._queryTimeout),this._queryTimeout=window.setTimeout(e,this.ajaxOptions.delay)):e()},n}),u.define("select2/data/tags",["jquery"],function(t){function e(e,t,n){var s=n.get("tags"),i=n.get("createTag");void 0!==i&&(this.createTag=i);i=n.get("insertTag");if(void 0!==i&&(this.insertTag=i),e.call(this,t,n),Array.isArray(s))for(var r=0;r<s.length;r++){var o=s[r],o=this._normalizeItem(o),o=this.option(o);this.$element.append(o)}}return e.prototype.query=function(e,c,u){var d=this;this._removeOldTags(),null!=c.term&&null==c.page?e.call(this,c,function e(t,n){for(var s=t.results,i=0;i<s.length;i++){var r=s[i],o=null!=r.children&&!e({results:r.children},!0);if((r.text||"").toUpperCase()===(c.term||"").toUpperCase()||o)return!n&&(t.data=s,void u(t))}if(n)return!0;var a,l=d.createTag(c);null!=l&&((a=d.option(l)).attr("data-select2-tag","true"),d.addOptions([a]),d.insertTag(s,l)),t.results=s,u(t)}):e.call(this,c,u)},e.prototype.createTag=function(e,t){if(null==t.term)return null;t=t.term.trim();return""===t?null:{id:t,text:t}},e.prototype.insertTag=function(e,t,n){t.unshift(n)},e.prototype._removeOldTags=function(e){this.$element.find("option[data-select2-tag]").each(function(){this.selected||t(this).remove()})},e}),u.define("select2/data/tokenizer",["jquery"],function(c){function e(e,t,n){var s=n.get("tokenizer");void 0!==s&&(this.tokenizer=s),e.call(this,t,n)}return e.prototype.bind=function(e,t,n){e.call(this,t,n),this.$search=t.dropdown.$search||t.selection.$search||n.find(".select2-search__field")},e.prototype.query=function(e,t,n){var s=this;t.term=t.term||"";var i=this.tokenizer(t,this.options,function(e){var t,n=s._normalizeItem(e);s.$element.find("option").filter(function(){return c(this).val()===n.id}).length||((t=s.option(n)).attr("data-select2-tag",!0),s._removeOldTags(),s.addOptions([t])),t=n,s.trigger("select",{data:t})});i.term!==t.term&&(this.$search.length&&(this.$search.val(i.term),this.$search.trigger("focus")),t.term=i.term),e.call(this,t,n)},e.prototype.tokenizer=function(e,t,n,s){for(var i=n.get("tokenSeparators")||[],r=t.term,o=0,a=this.createTag||function(e){return{id:e.term,text:e.term}};o<r.length;){var l=r[o];-1!==i.indexOf(l)?(l=r.substr(0,o),null!=(l=a(c.extend({},t,{term:l})))?(s(l),r=r.substr(o+1)||"",o=0):o++):o++}return{term:r}},e}),u.define("select2/data/minimumInputLength",[],function(){function e(e,t,n){this.minimumInputLength=n.get("minimumInputLength"),e.call(this,t,n)}return e.prototype.query=function(e,t,n){t.term=t.term||"",t.term.length<this.minimumInputLength?this.trigger("results:message",{message:"inputTooShort",args:{minimum:this.minimumInputLength,input:t.term,params:t}}):e.call(this,t,n)},e}),u.define("select2/data/maximumInputLength",[],function(){function e(e,t,n){this.maximumInputLength=n.get("maximumInputLength"),e.call(this,t,n)}return e.prototype.query=function(e,t,n){t.term=t.term||"",0<this.maximumInputLength&&t.term.length>this.maximumInputLength?this.trigger("results:message",{message:"inputTooLong",args:{maximum:this.maximumInputLength,input:t.term,params:t}}):e.call(this,t,n)},e}),u.define("select2/data/maximumSelectionLength",[],function(){function e(e,t,n){this.maximumSelectionLength=n.get("maximumSelectionLength"),e.call(this,t,n)}return e.prototype.bind=function(e,t,n){var s=this;e.call(this,t,n),t.on("select",function(){s._checkIfMaximumSelected()})},e.prototype.query=function(e,t,n){var s=this;this._checkIfMaximumSelected(function(){e.call(s,t,n)})},e.prototype._checkIfMaximumSelected=function(e,t){var n=this;this.current(function(e){e=null!=e?e.length:0;0<n.maximumSelectionLength&&e>=n.maximumSelectionLength?n.trigger("results:message",{message:"maximumSelected",args:{maximum:n.maximumSelectionLength}}):t&&t()})},e}),u.define("select2/dropdown",["jquery","./utils"],function(t,e){function n(e,t){this.$element=e,this.options=t,n.__super__.constructor.call(this)}return e.Extend(n,e.Observable),n.prototype.render=function(){var e=t('<span class="select2-dropdown"><span class="select2-results"></span></span>');return e.attr("dir",this.options.get("dir")),this.$dropdown=e},n.prototype.bind=function(){},n.prototype.position=function(e,t){},n.prototype.destroy=function(){this.$dropdown.remove()},n}),u.define("select2/dropdown/search",["jquery"],function(r){function e(){}return e.prototype.render=function(e){var t=e.call(this),n=this.options.get("translations").get("search"),e=r('<span class="select2-search select2-search--dropdown"><input class="select2-search__field" type="search" tabindex="-1" autocorrect="off" autocapitalize="none" spellcheck="false" role="searchbox" aria-autocomplete="list" /></span>');return this.$searchContainer=e,this.$search=e.find("input"),this.$search.prop("autocomplete",this.options.get("autocomplete")),this.$search.attr("aria-label",n()),t.prepend(e),t},e.prototype.bind=function(e,t,n){var s=this,i=t.id+"-results";e.call(this,t,n),this.$search.on("keydown",function(e){s.trigger("keypress",e),s._keyUpPrevented=e.isDefaultPrevented()}),this.$search.on("input",function(e){r(this).off("keyup")}),this.$search.on("keyup input",function(e){s.handleSearch(e)}),t.on("open",function(){s.$search.attr("tabindex",0),s.$search.attr("aria-controls",i),s.$search.trigger("focus"),window.setTimeout(function(){s.$search.trigger("focus")},0)}),t.on("close",function(){s.$search.attr("tabindex",-1),s.$search.removeAttr("aria-controls"),s.$search.removeAttr("aria-activedescendant"),s.$search.val(""),s.$search.trigger("blur")}),t.on("focus",function(){t.isOpen()||s.$search.trigger("focus")}),t.on("results:all",function(e){null!=e.query.term&&""!==e.query.term||(s.showSearch(e)?s.$searchContainer[0].classList.remove("select2-search--hide"):s.$searchContainer[0].classList.add("select2-search--hide"))}),t.on("results:focus",function(e){e.data._resultId?s.$search.attr("aria-activedescendant",e.data._resultId):s.$search.removeAttr("aria-activedescendant")})},e.prototype.handleSearch=function(e){var t;this._keyUpPrevented||(t=this.$search.val(),this.trigger("query",{term:t})),this._keyUpPrevented=!1},e.prototype.showSearch=function(e,t){return!0},e}),u.define("select2/dropdown/hidePlaceholder",[],function(){function e(e,t,n,s){this.placeholder=this.normalizePlaceholder(n.get("placeholder")),e.call(this,t,n,s)}return e.prototype.append=function(e,t){t.results=this.removePlaceholder(t.results),e.call(this,t)},e.prototype.normalizePlaceholder=function(e,t){return t="string"==typeof t?{id:"",text:t}:t},e.prototype.removePlaceholder=function(e,t){for(var n=t.slice(0),s=t.length-1;0<=s;s--){var i=t[s];this.placeholder.id===i.id&&n.splice(s,1)}return n},e}),u.define("select2/dropdown/infiniteScroll",["jquery"],function(n){function e(e,t,n,s){this.lastParams={},e.call(this,t,n,s),this.$loadingMore=this.createLoadingMore(),this.loading=!1}return e.prototype.append=function(e,t){this.$loadingMore.remove(),this.loading=!1,e.call(this,t),this.showLoadingMore(t)&&(this.$results.append(this.$loadingMore),this.loadMoreIfNeeded())},e.prototype.bind=function(e,t,n){var s=this;e.call(this,t,n),t.on("query",function(e){s.lastParams=e,s.loading=!0}),t.on("query:append",function(e){s.lastParams=e,s.loading=!0}),this.$results.on("scroll",this.loadMoreIfNeeded.bind(this))},e.prototype.loadMoreIfNeeded=function(){var e=n.contains(document.documentElement,this.$loadingMore[0]);!this.loading&&e&&(e=this.$results.offset().top+this.$results.outerHeight(!1),this.$loadingMore.offset().top+this.$loadingMore.outerHeight(!1)<=e+50&&this.loadMore())},e.prototype.loadMore=function(){this.loading=!0;var e=n.extend({},{page:1},this.lastParams);e.page++,this.trigger("query:append",e)},e.prototype.showLoadingMore=function(e,t){return t.pagination&&t.pagination.more},e.prototype.createLoadingMore=function(){var e=n('<li class="select2-results__option select2-results__option--load-more"role="option" aria-disabled="true"></li>'),t=this.options.get("translations").get("loadingMore");return e.html(t(this.lastParams)),e},e}),u.define("select2/dropdown/attachBody",["jquery","../utils"],function(u,o){function e(e,t,n){this.$dropdownParent=u(n.get("dropdownParent")||document.body),e.call(this,t,n)}return e.prototype.bind=function(e,t,n){var s=this;e.call(this,t,n),t.on("open",function(){s._showDropdown(),s._attachPositioningHandler(t),s._bindContainerResultHandlers(t)}),t.on("close",function(){s._hideDropdown(),s._detachPositioningHandler(t)}),this.$dropdownContainer.on("mousedown",function(e){e.stopPropagation()})},e.prototype.destroy=function(e){e.call(this),this.$dropdownContainer.remove()},e.prototype.position=function(e,t,n){t.attr("class",n.attr("class")),t[0].classList.remove("select2"),t[0].classList.add("select2-container--open"),t.css({position:"absolute",top:-999999}),this.$container=n},e.prototype.render=function(e){var t=u("<span></span>"),e=e.call(this);return t.append(e),this.$dropdownContainer=t},e.prototype._hideDropdown=function(e){this.$dropdownContainer.detach()},e.prototype._bindContainerResultHandlers=function(e,t){var n;this._containerResultsHandlersBound||(n=this,t.on("results:all",function(){n._positionDropdown(),n._resizeDropdown()}),t.on("results:append",function(){n._positionDropdown(),n._resizeDropdown()}),t.on("results:message",function(){n._positionDropdown(),n._resizeDropdown()}),t.on("select",function(){n._positionDropdown(),n._resizeDropdown()}),t.on("unselect",function(){n._positionDropdown(),n._resizeDropdown()}),this._containerResultsHandlersBound=!0)},e.prototype._attachPositioningHandler=function(e,t){var n=this,s="scroll.select2."+t.id,i="resize.select2."+t.id,r="orientationchange.select2."+t.id,t=this.$container.parents().filter(o.hasScroll);t.each(function(){o.StoreData(this,"select2-scroll-position",{x:u(this).scrollLeft(),y:u(this).scrollTop()})}),t.on(s,function(e){var t=o.GetData(this,"select2-scroll-position");u(this).scrollTop(t.y)}),u(window).on(s+" "+i+" "+r,function(e){n._positionDropdown(),n._resizeDropdown()})},e.prototype._detachPositioningHandler=function(e,t){var n="scroll.select2."+t.id,s="resize.select2."+t.id,t="orientationchange.select2."+t.id;this.$container.parents().filter(o.hasScroll).off(n),u(window).off(n+" "+s+" "+t)},e.prototype._positionDropdown=function(){var e=u(window),t=this.$dropdown[0].classList.contains("select2-dropdown--above"),n=this.$dropdown[0].classList.contains("select2-dropdown--below"),s=null,i=this.$container.offset();i.bottom=i.top+this.$container.outerHeight(!1);var r={height:this.$container.outerHeight(!1)};r.top=i.top,r.bottom=i.top+r.height;var o=this.$dropdown.outerHeight(!1),a=e.scrollTop(),l=e.scrollTop()+e.height(),c=a<i.top-o,e=l>i.bottom+o,a={left:i.left,top:r.bottom},l=this.$dropdownParent;"static"===l.css("position")&&(l=l.offsetParent());i={top:0,left:0};(u.contains(document.body,l[0])||l[0].isConnected)&&(i=l.offset()),a.top-=i.top,a.left-=i.left,t||n||(s="below"),e||!c||t?!c&&e&&t&&(s="below"):s="above",("above"==s||t&&"below"!==s)&&(a.top=r.top-i.top-o),null!=s&&(this.$dropdown[0].classList.remove("select2-dropdown--below"),this.$dropdown[0].classList.remove("select2-dropdown--above"),this.$dropdown[0].classList.add("select2-dropdown--"+s),this.$container[0].classList.remove("select2-container--below"),this.$container[0].classList.remove("select2-container--above"),this.$container[0].classList.add("select2-container--"+s)),this.$dropdownContainer.css(a)},e.prototype._resizeDropdown=function(){var e={width:this.$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.$dropdownParent),this._positionDropdown(),this._resizeDropdown()},e}),u.define("select2/dropdown/minimumResultsForSearch",[],function(){function e(e,t,n,s){this.minimumResultsForSearch=n.get("minimumResultsForSearch"),this.minimumResultsForSearch<0&&(this.minimumResultsForSearch=1/0),e.call(this,t,n,s)}return e.prototype.showSearch=function(e,t){return!(function e(t){for(var n=0,s=0;s<t.length;s++){var i=t[s];i.children?n+=e(i.children):n++}return n}(t.data.results)<this.minimumResultsForSearch)&&e.call(this,t)},e}),u.define("select2/dropdown/selectOnClose",["../utils"],function(s){function e(){}return e.prototype.bind=function(e,t,n){var s=this;e.call(this,t,n),t.on("close",function(e){s._handleSelectOnClose(e)})},e.prototype._handleSelectOnClose=function(e,t){if(t&&null!=t.originalSelect2Event){var n=t.originalSelect2Event;if("select"===n._type||"unselect"===n._type)return}n=this.getHighlightedResults();n.length<1||(null!=(n=s.GetData(n[0],"data")).element&&n.element.selected||null==n.element&&n.selected||this.trigger("select",{data:n}))},e}),u.define("select2/dropdown/closeOnSelect",[],function(){function e(){}return e.prototype.bind=function(e,t,n){var s=this;e.call(this,t,n),t.on("select",function(e){s._selectTriggered(e)}),t.on("unselect",function(e){s._selectTriggered(e)})},e.prototype._selectTriggered=function(e,t){var n=t.originalEvent;n&&(n.ctrlKey||n.metaKey)||this.trigger("close",{originalEvent:n,originalSelect2Event:t})},e}),u.define("select2/dropdown/dropdownCss",["../utils"],function(n){function e(){}return e.prototype.render=function(e){var t=e.call(this),e=this.options.get("dropdownCssClass")||"";return-1!==e.indexOf(":all:")&&(e=e.replace(":all:",""),n.copyNonInternalCssClasses(t[0],this.$element[0])),t.addClass(e),t},e}),u.define("select2/dropdown/tagsSearchHighlight",["../utils"],function(s){function e(){}return e.prototype.highlightFirstItem=function(e){var t=this.$results.find(".select2-results__option--selectable:not(.select2-results__option--selected)");if(0<t.length){var n=t.first(),t=s.GetData(n[0],"data").element;if(t&&t.getAttribute&&"true"===t.getAttribute("data-select2-tag"))return void n.trigger("mouseenter")}e.call(this)},e}),u.define("select2/i18n/en",[],function(){return{errorLoading:function(){return"The results could not be loaded."},inputTooLong:function(e){var t=e.input.length-e.maximum,e="Please delete "+t+" character";return 1!=t&&(e+="s"),e},inputTooShort:function(e){return"Please enter "+(e.minimum-e.input.length)+" or more characters"},loadingMore:function(){return"Loading more results…"},maximumSelected:function(e){var t="You can only select "+e.maximum+" item";return 1!=e.maximum&&(t+="s"),t},noResults:function(){return"No results found"},searching:function(){return"Searching…"},removeAllItems:function(){return"Remove all items"},removeItem:function(){return"Remove item"},search:function(){return"Search"}}}),u.define("select2/defaults",["jquery","./results","./selection/single","./selection/multiple","./selection/placeholder","./selection/allowClear","./selection/search","./selection/selectionCss","./selection/eventRelay","./utils","./translation","./diacritics","./data/select","./data/array","./data/ajax","./data/tags","./data/tokenizer","./data/minimumInputLength","./data/maximumInputLength","./data/maximumSelectionLength","./dropdown","./dropdown/search","./dropdown/hidePlaceholder","./dropdown/infiniteScroll","./dropdown/attachBody","./dropdown/minimumResultsForSearch","./dropdown/selectOnClose","./dropdown/closeOnSelect","./dropdown/dropdownCss","./dropdown/tagsSearchHighlight","./i18n/en"],function(l,r,o,a,c,u,d,p,h,f,g,t,m,y,v,_,b,$,w,x,A,D,S,E,O,C,L,T,q,I,e){function n(){this.reset()}return n.prototype.apply=function(e){var 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<h1><span class="ez-toc-section" id="Model_Set_Biology"></span>Model Set Biology<span class="ez-toc-section-end"></span></h1>
<h3><span class="ez-toc-section" id="Bihar_Board12th_Biology_Objective_Model_set_1_for_Exam_2022"></span>Bihar Board12th Biology Objective Model set 1 for Exam 2022<span class="ez-toc-section-end"></span></h3>
<p id="tw-target-text" class="tw-data-text tw-text-large XcVN5d tw-ta" dir="ltr" data-placeholder="Translation"><span class="Y2IQFc acss4ec61" lang="en">Bihar Board Inter Exam 2022 All Type Question Format and PDF Chapter Wise Study Note of All (MCQs, Short Question And  Long Question) </span></p> <p class="tw-data-text tw-text-large XcVN5d tw-ta" dir="ltr" data-placeholder="Translation"><span class="Y2IQFc acss4ec61" lang="en"><a href="https://examfriends.com/">bihar board</a> class <a href="https://vidyanjalipoint.com/12th-inter/" target="_blank" rel="noopener">12 Science</a> all subject And Objective note and pdf</span></p> <p dir="ltr" data-placeholder="Translation"><amp-img data-hero class="alignnone wp-image-2961 amp-wp-enforced-sizes" src="https://examfriends.com/wp-content/uploads/2021/07/website-image-1-300x53.png" alt="Bihar Board12th Biology Objective Model set 1" width="181" height="32" srcset="https://examfriends.com/wp-content/uploads/2021/07/website-image-1-300x53.png 300w, https://examfriends.com/wp-content/uploads/2021/07/website-image-1.png 350w" layout="intrinsic"><amp-img fallback data-hero class="alignnone wp-image-2961 amp-wp-enforced-sizes" src="https://examfriends.com/wp-content/plugins/accelerated-mobile-pages/images/SD-default-image.png" alt="Bihar Board12th Biology Objective Model set 1" width="181" height="32"  layout="intrinsic"></amp-img></amp-img></p> <p>Question 1.<br>
The total number of eggs produced by a healthy human female during life time :<br>
(a) 4000<br>
(b) 400<br>
(c) 40<br>
(d) 365<br>
Answer:<br>
(b) 400</p> <p>Question 2.<br>
The main reason for making Copper T msot effective and popular Intra Uterine device in female :<br>
(a) Reduction in fertilization ability of spermatozoa<br>
(b) Increased phagocytosis of spermatozoa due to release of copper ion<br>
(c) Reduction in motility of spermatozoa<br>
(d) All of these<br>
Answer:<br>
(b) Increased phagocytosis of spermatozoa due to release of copper ion</p> <p>Bihar Board 12th Biology VVI Objective Questions Model Set 1 in English<br>
Question 3.<br>
In which of the following species of plants seeds are produced through apomixis :<br>
(a) Asteraceae and Grass<br>
(b) Mustard<br>
(c) Citrus and Mango<br>
(d) None of these<br>
Answer:<br>
(c) Citrus and Mango</p> <p>Question 4.<br>
Genes present on same locus having different expressions are called<br>
(a) Multiple allele<br>
(b) Polygene<br>
(c) Oncogene<br>
(d) Codominant gene<br>
Answer:<br>
(c) Oncogene</p> <p>Question 5.<br>
The human chromosome with highest and least number of genes are :<br>
(a) Chromosome 21 &amp; Y<br>
(b) Chromosome 1 and X<br>
(c) Chromosome 1 and Y<br>
(d) Chromosome X and Y<br>
Answer:<br>
(a) Chromosome 21 &amp; Y</p> <p>Bihar Board 12th Biology VVI Objective Questions Model Set 1 in English<br>
Question 6.<br>
Sickle cell anaemia shows :<br>
(a) Epistrasis<br>
(b) Co-dominance<br>
(c) Pleiotropy<br>
(d) Incomplete dominance<br>
Answer:<br>
(c) Pleiotropy</p> <p>Question 7.<br>
Adaptive radiation is Australian marsupials are example of:<br>
(a) Divergent evolution<br>
(b) Convergent evolution<br>
(c) Saltation<br>
(d) None of these<br>
Answer:<br>
(a) Divergent evolution</p> <p>Question 8.<br>
The trisomy of 21st chromosome causes:<br>
(a) Klinefelter’s syndrome<br>
(b) Turner’s syndrome<br>
(c) Sickle cell anaemia<br>
(d) Down’s syndrome<br>
Answer:<br>
(b) Turner’s syndrome</p> <p>Question 9.<br>
A normal vision female whose father is colour-blind marries a normal vision male. What would be the probability of her sons and daughters to be colour blind?<br>
(a) 25% Sons colour blind and all daughters with phenotypically normal vision.<br>
(b) 50% sons colour blind and 50% daughter normal.<br>
(c) 50% sons colour blind and 50% daughter colour blind.<br>
(d) All sons normal and 50% colour blind daughter.<br>
Answer:<br>
(b) 50% sons colour blind and 50% daughter normal.</p> <p><amp-img data-hero class="alignnone wp-image-2961 amp-wp-enforced-sizes" src="https://examfriends.com/wp-content/uploads/2021/07/website-image-1-300x53.png" alt="Bihar Board12th Biology Objective Model set 1" width="181" height="32" srcset="https://examfriends.com/wp-content/uploads/2021/07/website-image-1-300x53.png 300w, https://examfriends.com/wp-content/uploads/2021/07/website-image-1.png 350w" layout="intrinsic"><amp-img fallback data-hero class="alignnone wp-image-2961 amp-wp-enforced-sizes" src="https://examfriends.com/wp-content/plugins/accelerated-mobile-pages/images/SD-default-image.png" alt="Bihar Board12th Biology Objective Model set 1" width="181" height="32"  layout="intrinsic"></amp-img></amp-img></p> <p>Question 10.<br>
Appearance of antibiotic resistance bacteria is an example of:<br>
(a) Adaptivc radiation<br>
(b) Transduction<br>
(e) Pie existing variation<br>
(d) Divewgent evolution<br>
Answer:<br>
(b) Transduction</p> <p>Question 11.<br>
Which of the following is involved in transcription of tRNA, 5Sr RNA and Sn RNA of eukarvotes?<br>
(a) RNA Polymerase I<br>
(b) RNA Polymerase II<br>
(c) RNA Polymerase III<br>
(d) All of these<br>
Answer:<br>
(c) RNA Polymerase III</p> <p>Question 12.<br>
A Child with blood group ‘O’ has ‘B’ blood group type father then the father has geno type of:<br>
(a) IOIO<br>
(b) IOBB<br>
(c) IBIB<br>
(d) IAIA<br>
Answer:<br>
(b) IOBB</p> <p>Question 13.<br>
‘Flavr Savr’ is a:<br>
(a) Pesticide<br>
(b) Chicken breed<br>
(c) Transgenic Tomato<br>
(d) Insecticidal Protein<br>
Answer:<br>
(c) Transgenic Tomato</p> <p><amp-img data-hero class="alignnone wp-image-2961 amp-wp-enforced-sizes" src="https://examfriends.com/wp-content/uploads/2021/07/website-image-1-300x53.png" alt="Bihar Board12th Biology Objective Model set 1" width="181" height="32" srcset="https://examfriends.com/wp-content/uploads/2021/07/website-image-1-300x53.png 300w, https://examfriends.com/wp-content/uploads/2021/07/website-image-1.png 350w" layout="intrinsic"><amp-img fallback data-hero class="alignnone wp-image-2961 amp-wp-enforced-sizes" src="https://examfriends.com/wp-content/plugins/accelerated-mobile-pages/images/SD-default-image.png" alt="Bihar Board12th Biology Objective Model set 1" width="181" height="32"  layout="intrinsic"></amp-img></amp-img><br>
Question 14.<br>
The specific sequence of DNA recognized by Restriction Endonuclease are:<br>
(a) Palindromic nucleotide sequence<br>
(b) VNTR<br>
(c) Minisatellite<br>
(d) All of these<br>
Answer:<br>
(a) Palindromic nucleotide sequence</p> <p>Question 15.<br>
Silencing of the gene could be achieved through the use of:<br>
(a) Short interfering RNA (RNAi)<br>
(b) Antisense RNA<br>
(c) (a) &amp; (b) both<br>
(d) None of these<br>
Answer:<br>
(b) Antisense RNA</p> <p>Question 16.<br>
The first clinical gene therapy was given for:<br>
(a) Adenosine Deaminase Deficiency<br>
(b) Chicken Pox<br>
(c) Diabetes Mellitus<br>
(d) Rheumatoid Arthritis<br>
Answer:<br>
(a) Adenosine Deaminase Deficiency</p> <p>Question 17.<br>
GAATTC is a recognition site for which restriction endonuclease?<br>
(a) Hind III<br>
(b) Eco R I<br>
(c) Bam I<br>
(d) Hae III<br>
Answer:<br>
(b) Eco R I</p> <p>Question 18.<br>
The first transgenic cow was named as:<br>
(a) Daisy<br>
(b) Maizy<br>
(e) Doily<br>
(d) Rosie<br>
Answer:<br>
(b) Maizy</p> <p>Question 19.<br>
Which of the following nematodes infect the root of tobacco plants?<br>
(a) Bacillus thuringiensis<br>
(b) Cry IAC<br>
(c) Meloidogyne incognita<br>
(d) Both (a) and (b)<br>
Answer:<br>
(b) Cry IAC</p> <p>Question 20.<br>
A molecular technique in which multiple copy of the desired gene is synthesized in vitro is called as:<br>
(a) ELISA<br>
(b) PCR<br>
(c) Gel Electrophoresis<br>
(d) Flow cytometry<br>
Answer:<br>
(b) PCR</p> <p>Question 21.<br>
Which of the following enzyme is used to break the bacterial cell wall to release DNA and other bio macromolecules?<br>
(a) Lysozyme<br>
(b) Cellulase<br>
(c) Chitinase<br>
(d) Collagenase<br>
Answer:<br>
(b) Cellulase</p> <p>Question 22.<br>
Which of the following is an example of autoimmune disease?<br>
(a) Asthma<br>
(b) Rheumatoid arthritis<br>
(c) Cancer<br>
(d) None of these<br>
Answer:<br>
(b) Rheumatoid arthritis</p> <p>Question 23.<br>
The immediate metabolic changes in the body noticed after consuming tobacco is :<br>
(a) Release of catecholamines due to stimulation of Adrenal gland<br>
(b) The sudden increase in BP &amp; Heart Beat<br>
(c) (a) &amp; (b) both<br>
(d) None of these<br>
Answer:<br>
(c) (a) &amp; (b) both</p> <p>Question 24.<br>
‘Sona Lika’ and ‘Kalyan Sona’ are high yielding disease-resistant variety of:<br>
(a) Rice<br>
(b) Wheat<br>
(c) Maize<br>
(d) Cotton<br>
Answer:<br>
(b) Wheat</p> <p>Question 25.<br>
Which of the following is not biofertilizer?<br>
(a) Azotobacter<br>
(b) Bacillus thuringiensis<br>
(c) Clostridium<br>
(d) Azolla<br>
Answer:<br>
(b) Bacillus thuringiensis</p> <p>Question 26.<br>
Masses of bacteria associated with fungal filament to form a mesh-like structure of call:<br>
(a) Floes<br>
(b) Methanogen<br>
(c) Plasminogen<br>
(d) None of these<br>
Answer:<br>
(a) Floes</p> <p>Question 27.<br>
Probiotics are :<br>
(a) A new kind of food allergen<br>
(b) Safe antibiotics<br>
(c) Live microbial food supplement<br>
(d) Cancer inducing microbes<br>
Answer:<br>
(c) Live microbial food supplement</p> <p>Question 28.<br>
The toxic protein secreted by Bacillus thuringiensis is:<br>
(a) Tubulin<br>
(b) Insulin<br>
(c) Cry protein<br>
(d) All of these<br>
Answer:<br>
(c) Cry protein</p> <p>Question 29.<br>
Which of the following is a retrovirus?<br>
(a) Human Immuno Deficiency virus<br>
(b) Hepatitis virus<br>
(c) Micro virus influenza<br>
(d) All of these<br>
Answer:<br>
(a) Human Immuno Deficiency virus</p> <p>Question 30.<br>
Which of the following disease is generated by allergens?<br>
(a) Skin cancer<br>
(b) Hay fever<br>
(c) Enteric fever<br>
(d) Goitre<br>
Answer:<br>
(b) Hay fever</p> <p>Question 31.<br>
Photochemical smog consists of:<br>
(a) SO2, PAN and Smoke<br>
(b) Ozone, PAN and NO2<br>
(c) Ozone, SO2 and Hydrocarbon<br>
(d) SO2, CO2 and Hydrocarbon<br>
Answer:<br>
(a) SO2, PAN and Smoke</p> <p><amp-img data-hero class="alignnone wp-image-2961 amp-wp-enforced-sizes" src="https://examfriends.com/wp-content/uploads/2021/07/website-image-1-300x53.png" alt="Bihar Board12th Biology Objective Model set 1" width="181" height="32" srcset="https://examfriends.com/wp-content/uploads/2021/07/website-image-1-300x53.png 300w, https://examfriends.com/wp-content/uploads/2021/07/website-image-1.png 350w" layout="intrinsic"><amp-img fallback data-hero class="alignnone wp-image-2961 amp-wp-enforced-sizes" src="https://examfriends.com/wp-content/plugins/accelerated-mobile-pages/images/SD-default-image.png" alt="Bihar Board12th Biology Objective Model set 1" width="181" height="32"  layout="intrinsic"></amp-img></amp-img><br>
Question 32.<br>
Snow blindness in the human being is caused by :<br>
(a) Absorption of UV. β radiation<br>
(b) Absorption of infra radiation<br>
(c) Absorption of cosmic radiation<br>
(d) Erosion of cornea by snow<br>
Answer:<br>
(a) Absorption of UV. β radiation</p> <p>Question 33.<br>
The thickness of Ozone in a column of air from the ground to the top of the atmosphere is measured in terms of:<br>
(a) Dobson unit<br>
(b) Arab unit<br>
(c) Pascal unit<br>
(d) None of these<br>
Answer:<br>
(a) Dobson unit</p> <p>Question 34.<br>
The total number of Biodiversity hot spots in the world is:<br>
(a) 25<br>
(b) 9<br>
(c) 34<br>
(d) None of these<br>
Answer:<br>
(c) 34</p> <p>Question 35.<br>
Which of the following is green House gas?<br>
(a) Methane<br>
(b) CO2<br>
(c) Chloro fluoro Carbon<br>
(d) All of these<br>
Answer:<br>
(d) All of these</p> <pre><span class="acss19431">Bihar Board12th Biology Objective Model set 1 Bihar Board12th Biology Objective Model set 1 Bihar Board12th Biology Objective Model set 1 Bihar Board12th Biology Objective Model set 1 Bihar Board12th Biology Objective Model set 1 Bihar Board12th Biology Objective Model set 1 Bihar Board12th Biology Objective Model set 1</span>
<span class="acss19431">Bihar Board12th Biology Objective Model set 1 Bihar Board12th Biology Objective Model set 1 Bihar Board12th Biology Objective Model set 1 Bihar Board12th Biology Objective Model set 1 Bihar Board12th Biology Objective Model set 1 Bihar Board12th Biology Objective Model set 1 Bihar Board12th Biology Objective Model set 1</span></pre> </div> <div class="amp-wp-content"><amp-addthis width="320" height="92" data-pub-id="ra-5cc8551aa4f16f5c" data-widget-id="cwgj"></amp-addthis></div> <div class="amp-author "> <div class="amp-author-image "> <amp-img src="https://secure.gravatar.com/avatar/4cc408f9cbcf1b6858bcfbfab9e353ac?s=60&#038;d=mm&#038;r=g" width="60" height="60" layout="fixed"></amp-img> </div> <div class="author-details "><span class="author-name">bihaarboard</span><p></p> </div> </div> <div id="pagination"> <div class="next"> <a href="https://examfriends.com/biology-important-objective-model-set-1-in-hindi/amp/"><span>Next </span>Bihar Board 12th Biology 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