{"id":48,"date":"2017-08-23T00:00:00","date_gmt":"2017-08-23T00:00:00","guid":{"rendered":"https:\/\/thepiquelab.com\/blog\/2017\/08\/23\/self-cross-pollination-misconception-demystified\/"},"modified":"2024-04-18T14:46:37","modified_gmt":"2024-04-18T06:46:37","slug":"self-cross-pollination-misconception-demystified","status":"publish","type":"post","link":"https:\/\/thepiquelab.com\/blog\/self-cross-pollination-misconception-demystified\/","title":{"rendered":"Self-Pollination & Cross Pollination – Misconception Demystified"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.16″ custom_margin=”0px|||” custom_padding=”0px|||” global_colors_info=”{}”][et_pb_row custom_padding_last_edited=”off|phone” module_class=”single-post-body et_pb_row_fullwidth et_pb_row_fullwidth et_pb_row_fullwidth et_pb_row_fullwidth et_pb_row_fullwidth” _builder_version=”4.16″ width=”89%” width_tablet=”80%” width_phone=”” width_last_edited=”on|desktop” max_width=”89%” max_width_tablet=”80%” max_width_phone=”” max_width_last_edited=”on|desktop” custom_margin=”|0px||0px” custom_margin_tablet=”” custom_margin_phone=”” custom_margin_last_edited=”on|phone” make_fullwidth=”on” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text admin_label=”Main Blog Text” _builder_version=”4.21.0″ text_font_size=”16″ text_line_height=”28px” header_font=”geomanist-bold||||” custom_margin_tablet=”” custom_margin_phone=”-55px|-45px||” custom_margin_last_edited=”on|phone” hover_enabled=”0″ text_font_size_tablet=”” text_font_size_phone=”” text_font_size_last_edited=”on|phone” text_line_height_tablet=”” text_line_height_phone=”” text_line_height_last_edited=”on|phone” z_index_tablet=”500″ border_style=”solid” global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

In this article,\u00a0I will be sharing a common misconception<\/em>\u00a0that students typically have on the types of pollination<\/span>.<\/p>\n

Firstly, let us start with the definition of pollination.<\/p>\n

\n

Pollination is the transfer<\/span> of pollen grains from the\u00a0anther<\/span> to the stigma<\/span> of a flower.<\/p>\n<\/blockquote>\n

In this definition, we are not concerned about the origin of the pollen grain.<\/p>\n

\n

Read Also<\/h2>\n
    \n
  1. Ultimate Science Practice Series: Plant Cycle (Practice Questions & Explainer Videos)<\/a><\/strong><\/li>\n
  2. Misconception Busted: Do Fruits Dispersed By Wind Or Water Need To Be Light?<\/a><\/strong><\/li>\n
  3. Mastering The 4 Seed Dispersal Methods In 4 Minutes<\/a><\/strong><\/li>\n<\/ol>\n<\/blockquote>\n

    There are three possible locations where pollen grains can be found:<\/p>\n

    #1 From the anther<\/span> of the same<\/span> flower<\/span><\/p>\n

    #2 From the anther<\/span> of another flower within the same<\/span> plant\/tree<\/span><\/p>\n

    #3 From the anther<\/span> of another flower from another<\/span> plant\/tree<\/span><\/p>\n

    We have learnt that there are two types of pollination:<\/p>\n

    #1 Self-pollination<\/p>\n

    #2 Cross-pollination<\/p>\n

    Is your child able to match the type of pollination with any of the 3 possible locations mentioned above?<\/p>\n

    Self-Pollination<\/u><\/span>:<\/h2>\n

    #1 From the anther of the same flower<\/p>\n

    #2 From the anther of another flower within the same plant\/tree<\/p>\n

    Cross-Pollination<\/u><\/span>:<\/h2>\n

    #3 From the anther of another flower from another plant\/tree<\/p>\n

    Did your child manage to get them right?<\/p>\n

    Many students often get confused with the definition of cross-pollination. Some students think that cross-pollination refers to pollen grains that come from another flower, regardless of the plant the flower is on.<\/p>\n

    Well, we need to get this clarify this common misconception by understanding the definitions of self-pollination<\/strong> and cross-pollination<\/strong>.<\/p>\n

    Self-pollination<\/u><\/span> is the transfer of pollen grains from the anther of a flower to the stigma of a flower within the SAME<\/span> plant. (The anther and the stigma can both belong to the same flower).<\/p>\n

    Cross-pollination<\/u><\/span> is the transfer of pollen grains from the anther of a flower to the stigma of a flower across two different plants of the same species (same type).<\/p>\n

    Once your child has gotten that right, we can move on to the adaptation of flowers that encourage self-pollination or cross-pollination.<\/p>\n

    \"\"<\/p>\n

    It is important for students to understand the differences between self-pollination and cross-pollination.<\/p>\n

    This will allow your child to draw the appropriate linkages and identify the thought process required to tackle the examination questions effectively<\/a>.<\/p>\n

    [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=”CCI” _builder_version=”4.16″ custom_margin=”0px||” custom_padding=”0px||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_divider color=”#898989″ _builder_version=”4.16″ locked=”off” global_colors_info=”{}”][\/et_pb_divider][et_pb_image src=”https:\/\/thepiquelab.com\/blog\/wp-content\/uploads\/2019\/05\/The-Pique-Lab-CCI-Science-Course-CTA.png” align=”center” align_tablet=”center” align_phone=”” align_last_edited=”on|desktop” admin_label=”CCI” _builder_version=”4.16″ z_index_tablet=”500″ global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.16″ text_font=”||||||||” text_text_color=”#333333″ text_font_size=”18px” text_orientation=”center” global_colors_info=”{}”]<\/p>\n

    If you like our methodology, we’ve some upcoming workshops:<\/p>\n

    [\/et_pb_text][et_pb_text _builder_version=”4.16″ text_font=”geomanist-medium||||||||” text_text_color=”#f44a4a” text_font_size=”18px” text_orientation=”center” z_index_tablet=”500″ global_colors_info=”{}”]<\/p>\n

    P4 Complete Concept Integration\u2122 Science Course<\/strong><\/a>
     P5 Complete Concept Integration\u2122 Science Course<\/strong><\/a>
     P6 Complete Concept Integration\u2122 Science Course<\/strong><\/a><\/p>\n

    [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

    <\/p>\n","protected":false},"author":5,"featured_media":241570,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"Students learn<\/span> the topic of Electricity<\/strong><\/span>\u00a0at Primary 5 and many of them find the concepts to be confusing, especially when they are first exposed to this topic.\r\n\r\nAs such, over the next few blog posts, I will be sharing more about the concepts of Electricity<\/strong><\/span>\u00a0that are commonly tested during examinations.\r\n\r\nIn today\u2019s blog post, I will be focusing on the arrangement of the wires in a bulb and relate it to how a bulb should be connected in a circuit.\r\n

    Today\u2019s Question:<\/span><\/h2>\r\n
    How Should The Bulb Be Connected To The Circuit For It To Light Up?<\/strong><\/span><\/blockquote>\r\n

    The following question is commonly encountered by students during tests.<\/p>\r\n

    \"\"<\/a>Question Credit: Anglo Chinese School (Junior)\/ 2015 Primary 5 SA1\/ Question 18<\/em><\/p>\r\nWe can see that the key difference between the four options is the connection of the bulb(s) in the circuit.\r\n

    Requirements Needed for a Bulb to Light Up<\/span><\/strong><\/h3>\r\n\u00a0\r\n\r\n\"\"<\/a>\r\n\r\n\u00a0\r\n\r\nOne wire is connected to the metal casing & one wire is connected to the metal tip<\/u><\/strong>\r\n\r\n\u00a0\r\n

    \"\"<\/a>Example of a closed circuit<\/em><\/p>\r\nWhen the wires in the circuit are connected to the metal casing and metal tip of the bulb, there is a closed (or complete) circuit with the bulb. Electricity will be able to flow through the filament, causing the bulb to light up.\r\n

    What Happens When Both Wires Are Connected To The Metal Tip\/Metal Casing?<\/strong><\/span><\/h2>\r\nScenario #1: Both wires are connected to the metal tip<\/strong><\/span>\r\n\r\n\"\"<\/a>\r\n

    Example of a circuit when the wires are connected only to the metal tip<\/em><\/p>\r\nWhen both wires are connected to the metal tip of the bulb, electricity is unable to flow through the filament, preventing the bulb from lighting up.\r\n\r\nScenario #2: Both wires are connected to the metal casing<\/strong><\/span>\r\n\r\n\u00a0\r\n

    \"\"<\/a>Example of a circuit when the wires are connected only to the metal casing<\/em><\/p>\r\nWhen both wires are connected to the metal casing of the bulb, electricity is unable to flow through the filament, preventing the bulb from lighting up.\r\n\r\nNow, let us now take a look at the question again.\r\n

    Analysis Of The Options<\/strong><\/span><\/h2>\r\n\"\"<\/a>\r\n\r\nWhen analysing the circuits, students need to take note of one key point:\r\n

    How is the bulb connected to the circuit?<\/strong><\/span><\/h3>\r\nIn the following analysis, I have traced the pathway that electricity flows through (in red) as well so that it is easier to understand why the bulb lights up.\r\n

    Circuit A<\/strong><\/span><\/p>\r\n\"\"<\/a>\r\n\r\nBoth the metal casing and tip of the bulb are connected to the circuit, forming a closed circuit. Thus, electricity is able to flow through the wires in the circuit to the filament, allowing the bulb to light up.\r\n

    Circuit B<\/strong><\/span><\/p>\r\n\"\"<\/a>\r\n\r\nOnly the tip is connected to the circuit. Thus, electricity is unable to flow through the filament, preventing the bulb from lighting up.\r\n

    Circuit C<\/strong><\/span><\/p>\r\n

    \"\"<\/a><\/p>\r\nOnly the casing is connected to the circuit. Thus, electricity is unable to flow through the filament, preventing the bulb from lighting up.\r\n

    Circuit D<\/strong><\/span><\/p>\r\n

    \"\"<\/a><\/p>\r\nBoth the metal casing and tip of the two bulbs are connected to the circuit, forming a closed circuit. Thus, electricity is able to flow through the wires in the circuit to the filaments, allowing the bulbs to light up.\r\n\r\nAs the bulbs in circuits A and D will light up, the correct answer is option 4.\r\n

    What We Have Learnt Today<\/strong><\/span><\/h2>\r\nWhen students wish to find out if the bulb will light up, they should check the following:\r\n

    Are both the metal casing and the tip of the bulb connected to the circuit?<\/span><\/strong><\/h3>\r\nIf the answer to the question is \u2018yes\u2019, the bulb will light up. :)\r\n\r\nIn the next blog post, I will be sharing about the advantages and disadvantages of arranging bulbs in series and in parallel.\r\n\r\nStay tuned! :)\r\n\r\n
    \r\n\r\n[thrive_leads id='8207']","_et_gb_content_width":"","om_disable_all_campaigns":false,"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"categories":[9,7,4,6,3],"tags":[],"post_folder":[],"modified_by":"Jaimie Aberia","_links":{"self":[{"href":"https:\/\/thepiquelab.com\/blog\/wp-json\/wp\/v2\/posts\/48"}],"collection":[{"href":"https:\/\/thepiquelab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thepiquelab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thepiquelab.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/thepiquelab.com\/blog\/wp-json\/wp\/v2\/comments?post=48"}],"version-history":[{"count":15,"href":"https:\/\/thepiquelab.com\/blog\/wp-json\/wp\/v2\/posts\/48\/revisions"}],"predecessor-version":[{"id":244548,"href":"https:\/\/thepiquelab.com\/blog\/wp-json\/wp\/v2\/posts\/48\/revisions\/244548"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/thepiquelab.com\/blog\/wp-json\/wp\/v2\/media\/241570"}],"wp:attachment":[{"href":"https:\/\/thepiquelab.com\/blog\/wp-json\/wp\/v2\/media?parent=48"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thepiquelab.com\/blog\/wp-json\/wp\/v2\/categories?post=48"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thepiquelab.com\/blog\/wp-json\/wp\/v2\/tags?post=48"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/thepiquelab.com\/blog\/wp-json\/wp\/v2\/post_folder?post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}