Saturday, September 20, 2014

Model questions for SA-1 (MATHS)

Model questions for SA-1 (MATHS)
      1.     Factorize: 4x2 + 24xy +9y2
      2.     Factorize: 25a2-16y2
      3.     Factorize: 7m2-m
      4.     Convert into decimal form and state the type of the expansion
a.     39/5
b.     17/5 
     5.     If m + 1/m  = 2 , find m2 + 1/ m2
     6.     If  n - 1/n  = 3, find  n2 + 1/ n2
     7.     The perimeter of an equilateral triangle is 24, find the area of the triangle using Heron’s formula.
     8.     Plot the points on the graph: (2,-3), (-5,7), (-4,-4), (0,3), (-6,0)
     9.     Find the value:  25-1/2  x  5 x  253/2
    10.                         Find the value:  72   x   343-1/3 x  493/2  
1  11.                        Simplify: (5 - 7 ) ( 7 + 5)
                                       9 - 22
    12.                         Simplify:  ( 7 - 9 ) ( 9 + 7 )
                                        7 - 25
    13.                        Say the quadrant: (4,6), (-3,6) , (-2,-10)
    14.                        Write the complimentary angle of : a. 550  ,   b. 750 c. 330
    15.                         O is the mid point of AB, M is the mid point of AO, what will be the    relation between length of AM and AB, also prove it.
   16.                        State and prove any one criteria of congruence of two triangles.
   17.                           Expand: (a) (3x+4y)3  (b) (3m – n )3

   18.                         Factorize: m2 + 9n2 + 25p2 + 6mn + 30np +10pm Also find the value when                   m=1,n=3 and p=-1

Monday, September 15, 2014

tissue worksheet 2

Class: 9
Month: June
Worksheet Number: 09/Sci/06/02
Subject: Science-Biology
Chapter: 06 - Tissues


Name: ____________________________________________


Section A: Exposition


Each question carries 1 mark:


1.      Which type of tissue is most abundant in animals?

2.      Which type of epithelium is present in the organs where the exchange of substances takes place?

3.      Which connective tissue connects two bones?

4.      Which connective tissue is present in ear?

5.      Which tissue connects bone to another bone?

6.      Name the following:-

a.       Multinucleate muscle fibre

b.      Spindle shaped muscle fibre

c.       Muscle that gets fatigued very soon

7.      Name two parts of your body, made from cartilage.

8.      What is synapse?


Each question carries 2 marks:


9.  What substances are transported by blood?


Each question carries 3 marks:


10.  How many types of elements together make up the xylem tissue? Name them.

11.  How many types of elements are found in phloem? Write their functions.

12.  Give three functions of blood

13.  Where columnar epithelium found and what is its function?


Section B: Extended Exposition


Each question carries 1 mark:


14. Which type of connective tissue is present in hump of camel and blubber of whale?

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Class: 9
Month: June
Worksheet Number: 09/Sci/06/02
Subject: Science-Biology
Chapter: 06 - Tissues


15.  Which connective tissue matrix contains salts of calcium and phosphorus?

16.  Which tissue connects bone to another bone?

17.  What type of matrix does bone has?


Each question carries 2 marks:


18.  Blood is considered to be connective tissue. Give reason.

19.  What will happen if; cells of epithelial tissue are not compactly packed?

20.  What will happen if; Lymph is not returned to blood?


Section C: Interpretation & Reasoning


Each question carries 1 mark:


21.  Name the simple permanent tissue which forms the basic packing tissue

22.  Name the simple permanent tissue which provide flexibility in plants

23.  Give one example of protective tissue in plants.

24.  Name the complex tissue which helps in conduction of water and minerals.

25.  Name the complex tissue which helps in conduction of food. Identify the type of tissue in these:

a.       a) skin

b.      b) bone

c.       c) inner lining of mouth

26.            Name these:

a.           process of neuron, which carries impulse away from cyton

b.          processes of neuron, which receive the impulse and pass it to cell body

c.           the muscle of heart

d.          one structure in our body which bears ciliated epithelium.


Each question carries 2 marks:


27.  Draw any two types of white blood corpuscle

28.  Distinguish between striated or unstriated muscle.



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Class: 9
Month: June
Worksheet Number: 09/Sci/06/02
Subject: Science-Biology
Chapter: 06 - Tissues






30.  How is meristematic tissue classified on the basis of its location?

31.  Which structure protects the plants body against the invasion of parasites? Mention its other functions also.

32.  How is outermost layer of cell in plants, adapted to perform its function effectively?

33.  Branches of a tree are able to move and bend freely in high wind velocity. Why?


Section D: Problem Solving


Each question carries 2 marks:


34.      Draw the diagram of tissue specialized in reception and transmission of impulses.

35.      Label the following

a.       i)  Part which receives impulses

b.      ii) Part which carries impulses away from the cell body

c.       iii) Cyton


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Class: 9
Month: June
Worksheet Number: 09/Sci/06/02
Subject: Science-Biology
Chapter: 06 - Tissues


Each question carries 5 marks:































































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bio tissue worksheet 1

Class: 9
Month: June
Worksheet Number: 09/Sci/06/01
Subject: Science-Biology
Chapter: 06 - Tissues


Name: ____________________________________________


Section A: Exposition


Each question carries 1 mark:


1.      What is a tissue?

2.      What are the two main categories of plant tissue?

3.      Define simple tissues

4.      Define complex permanent tissue.

5.      Name the types of simple tissues

6.      Which tissue makes up the husk of coconut?

7.      Where is apical meristem found?

8.      What are the constituents of phloem?

9.      Which type of simple tissue is used for making ropes?


Each question carries 2 marks:


10.  State the functions of parenchyma.

11.  What are the functions of stomata?


Each question carries 3 marks:


12.  How many types of elements together make up the xylem tissue? Name them.

13.  How many types of elements are found in phloem? Write their functions.


Section B: Extended Exposition


Each question carries 1 mark:


14.  What is the other name of dividing tissue in plants?

15.  Name the cell which is attached to the lateral side of sieve tube.




1


Class: 9
Month: June
Worksheet Number: 09/Sci/06/01
Subject: Science-Biology
Chapter: 06 - Tissues


Each question carries 2 marks:


16.  Water hyacinth floats on water surface. Explain.

17.  What will happen if, apical meristem is damaged or cut?

18.  What will happen if, cork is not formed in older stems and roots?


Section C: Interpretation & Reasoning


Each question carries 1 mark:


19.  Name the simple permanent tissue which forms the basic packing tissue

20.  Name the simple permanent tissue which provide flexibility in plants

21.  Give one example of protective tissue in plants.

22.  Name the complex tissue which helps in conduction of water and minerals.

23.  Name the complex tissue which helps in conduction of food.


Each question carries 2 marks:


24.  Differentiate between Collenchyma and Sclerenchyma.

25.  How is meristematic tissue classified on the basis of its location?

26.  Which structure protects the plants body against the invasion of parasites? Mention its other functions also.

27.  How is outermost layer of cell in plants, adapted to perform its function effectively?

28.  Branches of a tree are able to move and bend freely in high wind velocity. Why?


Section D: Problem Solving


Each question carries 2 marks:


29.  In a temporary mount of a leaf epidermis we observe small pores.

(a)   What are the pores present in leaf epidermis called?

(b)   How are these pores beneficial to the plant?

30.  If a potted plant is covered with a glass jar water vapours appear on its wall. Why?

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Class: 9
Month: June
Worksheet Number: 09/Sci/06/01
Subject: Science-Biology
Chapter: 06 - Tissues


Each question carries 5 marks:











































33.  Draw a well labelled diagram to show the location of meristematic tissue plant body.

34.  Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell wall.




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Class: 9
Month: June
Worksheet Number: 09/Sci/06/01
Subject: Science-Biology
Chapter: 06 - Tissues




































































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