Page 28 - Innovator's Science-8
P. 28

2.  All living beings are made up of _____________.
               3.  A _____________ is the smallest unit of life.

               4.  _____________ is the part of the cell that controls all its activities.
               5.  The _____________ in plants cells helps in the process of photosynthesis.

            C.  State whether the given statements are True (T) or False (F).                            Problem-Solving Skills
               1.  All living beings, whether plants or animals, are called organisms.

               2.  Most of the important life activities happen in the cytoplasm.
               3.  The cell membrane encloses the cytoplasm and nucleus.
               4.  Cells in all parts of a plant have tiny rod-shaped called vacuole.
               5.  Microalgae are microscopic plant like organisms.

            D.  Short answer type questions.                                                            Decision-making Skills

               1.  Define microorganisms.
               2.  How does yeast make dough soft and fluffy?
               3.  Name the process in yeast that converts sugars into alcohol.
               4.  Write about the different pats in cells.

               5.  What are microalgae?

            E.  Long answer type questions.                                                              Critical Thinking Skills
               1.  Describe the following:
                   a. organisms             b. cells
               2.  Explain the following:

                   a. cell membrane         b. cell wall             c. cytoplasm
               3.  What are the stops to grow Sprirulina?
               4.  What are microalgae and why are they important for the Earth?

               5.  What is the difference between unicellular and multicellular microorganisms?


              Project Ideas                                                                                     Exploration

            •  The cell is called the basic unit of life because it is the smallest structure that carry out all the
               frui ons necessary for survival. Make a chart on mul cellular organisms.

              Life Skills                                                                                        Inference


            •  Microorganisms cannot thrive in environments with very high solute concentra ons (salt or sugar).
               Which inhibits their growth and prevents spoilage.

              Enhance your Life Skills                                                                   Mental Development

            1.  How does fleets make bread and cakes so  and fluffy?

            2.  Why is warm milk preferred for making curd?




                                                                 28
                                                               Science-8
   23   24   25   26   27   28   29   30   31   32   33