हम में हैं कुछ खास, हम में हैं कुछ बात, क्योंकि हम ही हैं दुनिया की आस.
Tuesday, September 23, 2014
Monday, September 22, 2014
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 - 2√2
12.
Simplify:
( √ 7 - √9 ) ( √ 9 + √ 7 )
7 - 2√5
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?
1
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.
2
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
3
Class: 9
|
Month: June
|
Worksheet Number: 09/Sci/06/02
|
Subject: Science-Biology
|
Chapter: 06 - Tissues
|
Each question carries 5 marks:
5
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?
2
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.
3
Class: 9
|
Month: June
|
Worksheet Number: 09/Sci/06/01
|
Subject: Science-Biology
|
Chapter: 06 - Tissues
|
|
|
|
|
4
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