{"id":8383,"date":"2021-07-29T09:55:23","date_gmt":"2021-07-29T04:25:23","guid":{"rendered":"https:\/\/apboardsolutions.com\/?p=8383"},"modified":"2023-03-29T15:53:09","modified_gmt":"2023-03-29T10:23:09","slug":"ap-board-8th-class-biology-important-questions-chapter-2","status":"publish","type":"post","link":"https:\/\/apboardsolutions.com\/ap-board-8th-class-biology-important-questions-chapter-2\/","title":{"rendered":"AP 8th Class Biology Important Questions Chapter 2 Cell: The Basic Unit of Life"},"content":{"rendered":"

These\u00a0AP 8th Class Biology Important Questions<\/a> 2nd LessonCell: The Basic Unit of Life will help students prepare well for the exams.<\/p>\n

AP State Syllabus 8th Class Biology 2nd Lesson Important Questions and Answers Cell: The Basic Unit of Life<\/h2>\n

8th Class Biology 2nd Lesson Cell: The Basic Unit of Life 1 Mark Important Questions and Answers<\/h3>\n

Question 1.
\nWho discovered cell first time?
\nAnswer:
\nIt was the year 1665 Robert Hooke, a British scientist discovered the cell.<\/p>\n

Question 2.
\nWhich part of cell contains cell organelles?
\nAnswer:
\nThe jelly like substance between the nucleus and cell membrane is called cytoplasm. It is a heterogeneous material. It contains membrane bound structures called cell organelles.<\/p>\n

\"AAP<\/p>\n

Question 3.
\nWhat is the difference between cells in onion peel and cells in Spinach?
\nAnswer:
\nCells in onion peel arranged systematically with prominent nucleus. Cells in spinach are in different sizes and shapes without nucleus to perform nutrition.<\/p>\n

Question 4.
\nMake different questions to know cells and cell organelles.
\nAnswer:<\/p>\n

    \n
  1. What are the structures present in the cells?<\/li>\n
  2. Why cells are considered to be structural and functional unit of life?<\/li>\n<\/ol>\n

    Question 5.
    \nPrepare different questions to know the discovery of cell.
    \nAnswer:<\/p>\n

      \n
    1. In which year cell discovered?<\/li>\n
    2. Name the scientist who observed cells.<\/li>\n<\/ol>\n

      Question 6.
      \nWhat is staining?
      \nAnswer:
      \nThe process of using colouring agents in order to highlight particular areas in the cell is called staining.<\/p>\n

      \"AAP<\/p>\n

      Question 7.
      \nWhat is \u2018magnification\u2019?
      \nAnswer:
      \nAmount of increase in apparent size of a thing more time than its normal size to visualise is called magnification.<\/p>\n

      Question 8.
      \nWhat are Unicellular Organisms? Give examples.
      \nAnswer:
      \nThe organisms survive its life with a single cell are called unicellular organisms.
      \nEx : Amoeba, Chlamydomonas, etc.<\/p>\n

      Question 9.
      \nWhat is the meaning of \u2018Cell\u2019 in Latin?
      \nAnswer:
      \nIn Latin \u2018cell\u2019 means \u2018A little room\u2019.<\/p>\n

      8th Class Biology 2nd Lesson Cell: The Basic Unit of Life 2 Marks Important Questions and Answers<\/h3>\n

      Question 1.
      \n\u201cCell wall is essential in plant cells\u201d – Why?
      \nAnswer:<\/p>\n

        \n
      1. Cell wall gives mechanical strength.<\/li>\n
      2. Without the cell wall, a plant can not stand errect.<\/li>\n
      3. Cell wall helps the plant cells when they are turgid.<\/li>\n<\/ol>\n

        Question 2.
        \nWhat is the significance of cover slip in your preparation of slides?
        \nAnswer:<\/p>\n

          \n
        1. Cover slip protects the material under study from coming in contact with the lens of the microscope.<\/li>\n
        2. It presses upon the material keeping it plane.<\/li>\n<\/ol>\n

          \"AAP<\/p>\n

          Question 3.
          \nHow do you appreciate the role of microscope in the study of cell?
          \nAnswer:<\/p>\n

            \n
          1. The microscope is very useful instrument in the study of cells.<\/li>\n
          2. Scientists use electron microscope for their study which can help to see upto a millionth of a meter.<\/li>\n
          3. I will appreciate the role of microscope in the growth and development of science and human welfare.<\/li>\n<\/ol>\n

            8th Class Biology 2nd Lesson Cell: The Basic Unit of Life 4 Marks Important Questions and Answers<\/h3>\n

            Question 1.
            \nObserve the permanent slides of human body cells in your school. Collect the data in a tabular form.
            \nAnswer:<\/p>\n\n\n\n\n\n\n\n
            Name of the cell<\/td>\nShape of the cell<\/td>\nName of the parts<\/td>\n<\/tr>\n
            Muscle cell<\/td>\nSpindle shaped, short, elongated<\/td>\nNucleus, cell membrane, cytoplasm.<\/td>\n<\/tr>\n
            RBC<\/td>\nConcave on both sides, sometimes round<\/td>\nNucleus, cell membrane, cytoplasm.<\/td>\n<\/tr>\n
            Nerve cell<\/td>\nLong having processes<\/td>\nNucleus, cell membrane, cytoplasm<\/td>\n<\/tr>\n
            White Blood Cell (WBC)<\/td>\nAmoeboid shape<\/td>\nNucleus, cell membrane, cytoplasm, granules<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

            These\u00a0AP 8th Class Biology Important Questions 2nd LessonCell: The Basic Unit of Life will help students prepare well for the exams. AP State Syllabus 8th Class Biology 2nd Lesson Important Questions and Answers Cell: The Basic Unit of Life 8th Class Biology 2nd Lesson Cell: The Basic Unit of Life 1 Mark Important Questions and … Read more<\/a><\/p>\n","protected":false},"author":5,"featured_media":37355,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[12],"tags":[],"jetpack_featured_media_url":"https:\/\/apboardsolutions.com\/wp-content\/uploads\/2021\/07\/Chapter-7-Different-Ecosystems-1.png","_links":{"self":[{"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/posts\/8383"}],"collection":[{"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/comments?post=8383"}],"version-history":[{"count":1,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/posts\/8383\/revisions"}],"predecessor-version":[{"id":37342,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/posts\/8383\/revisions\/37342"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/media\/37355"}],"wp:attachment":[{"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/media?parent=8383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/categories?post=8383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apboardsolutions.com\/wp-json\/wp\/v2\/tags?post=8383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}