test for 10 class students.


Self Evaluating Test
        Its hard to beat a person who never gives up. (Babe Ruth)
        I fear no one but respect every one.
     Total time:1h 30min.                    Total No: 72                        Passing No: 65%
                The test is of 1st chapter biology and 1st and 2nd chapter chemistry.
First section BIOLOGY
          Q.no.1: fill in the blanks. (5)
   The RBCs of birds have                  shape.
   WBCs are also called as                 .
   The life span of human a normal typical RBC is                     .
    A normal mature man has            to              liters of blood.
    Hemophilia is a            disease.
          Q.no.2: Answer the following short questions. (21)
     How veins regulate blood flow through them?
     What is anemia? And what are its symptoms?
     What is pulmonary circulation?
      Explain the difference between single and double circuit circulation?
      How stomata regulate the amount of water in plants?
      Explore the difference between cuspid and semi lunar valves?
            Q.no.3: Answer the long questions. (6)
      Explain structure of heart.
Second section CHEMISTRY.
          Q.no.1: fill in the blanks. (8)
    Equilibrium is taken from               word.
    Chemical formula of urea is             .
    Law of mass action was proposed by             and                in               .
    Concentration of gases in a system is measured from their                .
    The melting point of Na Cl is                .
    The color of K2 Cr2 O7 is               .
    The salts of ammonium have             like odor.
     Anthocyanins is an                .
         Q.no.2: Balance the following equations. (5)
             N2 + H2 --------- NH3
             H2 SO4 + Na---------- Na2 SO4 + H2
             Ca Cl2 + K2 SO ----------- K Cl + CaSO4
             PbCl2 + CuSO4 ------------   PbSO4 + CuCl2
         Q.no.3: Answer the following short questions. (15)
   Write the difference between Acids, Bases and Salts.
   What are universal indicators?
   What is the importance of Kc in chemical reactions?
   What is PH scale?
   Write properties of Acids?
         Q.no.4: Answer the long questions. (12)
    Explore the law of mass action.
    What is Lewis concept of acids and bases?
                                                                      THE END

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