X SA I PHY TEST FULL SYLLABUS 2

1.         [1] Why  should solar cookers  are to be covered with  glass plate  ?                                                   

2.         [1] Define  electric  circuit.   Distinguish between open  and  closed  circuit.                                        

3.         [2] (a)     What  material is used  in making the filament of an electric  bulb  ?                                  

(b)     Name  the characteristics which  make  it suitable for this.

4.         [2] Two electric bulbs  A and  B are marked 220V, 40W and  220V, 60W respectively. Which one of the two  has  greater resistance ?

5.         [2] Differentiate overloading and  short  circuiting.                                                                        

6.         [2] Write  any  two  advantages of using  Biogas.                                                                                     

7.         [3] A piece of wire of resistance 20 Ohm is drawn out so that its length  is increased to twice its  original length.  Calculate the resistance of the wire  in the new  situation

8.         [3] (a)     What  is the total  resistance of n resistors each of resistance ‘R’ connected in :            

(i)      Series                               (ii)     Parallel

(b)     Calculate the  resultant resistance of 3 resistors 3 ,  4   and  12 Ohm  connected in parallel.

9.         [3] (a)     What  is a fuel ?                                                                                                                            

(b)     Write  any  two  characteristics of a good  fuel.

10.     [3]Draw  a diagram to show  how  a magnetic needle deflects  when it is placed above  or below  a straight conductor carrying current depending on the direction of the current in the  conductor.

11.     [5] (a)     What  is a Solenoid  ?                                                                                                                   

(b)     Draw  the field lines of the magnetic field through and  around a current carrying solenoid.

(c)     Compare the  field  pattern with  magnetic field  around a bar  magnet

OR

(a)     Which  rule  helps  to find  the force on a current carrying conductor in a magnetic field ?

(b)     State the  rule.

(c)     Name  the  three  factors  on  which  the  force  on  the  current carrying conductor depend.

X SA I TEST BIO FULL SYLLABUS

1.    [2]Mention the components of the transport system in highly  organized plants.  State the functions of these  components.

2.       [3] (a) What  is a fuel ?                                                                                                                            

 (b)Write  any  two  characteristics of a good  fuel.

3.       [3]Name  the hormone secreted by thyroid gland.  Write its function.  Why is it important for us to have  iodised salt in our  diet ?

4.       [3] How  does  feed-back mechanism regulate the hormone secretion ?                                           

5.        [3]   (i)      What  do you  understand by the term  hydrated salt ?                                                        

  (ii)     Give  two  examples of hydrated salt  which  are  white  and  state  their  chemical formula.

6.       [3]Why  the  medium becomes  acidic  in  mouth ?   What  is the  ill effect  of the  acidic medium ?  How  this can be prevented ?

7.       [5] (a)     Draw  a neat  diagram of Alimentary canal  and  label  the  following parts.                  

(i)      the largest  gland

(ii)     the gland that  secretes  digestive enzymes as well as hormones.

(iii)    the part  where digested food  is absorbed.

(b)     What  are Villi ?  Mention their  functions.

(OR)

(a)     Draw  the cross section  of the leaf and  label the following parts.

(i)      upper epidermis                  (ii)     chloroplast

(b)     Define  photosynthesis.

(c)     List three  events  which  occur  during this  process.

(d)     Write  down the chemical  equation involved in photosynthesis.

(e)     How  is unused energy stored in plants ?