Wednesday, February 8, 2017

SSC Paper Science II

SSC Papers for Practice Science II Maharashtra Board


I) A.Answer the following sub-questions:

     (1) Fill in the blank and rewrite the completed statement: (1)
Recycling is a type of ________ technology.
(2) Considering the relationship in the first pair, complete the second pair: (1)
Amoeba : Simple binary fission : : Paramoecium : ________.
(3) Find the odd one out: (1)
Blood vessels, Dentrites, Cyton, Axon
(4) Name the following: (1)
A metal which does not react with cold water but reacts with steam
(5) What is organic evolution? (1)
           
I) B. Rewrite the following statements by selecting the correct options: (5)
(1) ________ stain will clearly show Amoeba and Paramoecium in a drop of water taken on a slide and observed under a microscope.
a) Mythylene blue
b) Iodine
c) Safranin
d) Eosin 
(2) Reshma was shown slides of leaves, she could distinguish monocot and dicot leaf on the basis of  ________.
a) Shape of stomata
b) Thickness of epidermis
c) Size of cells
d) Diffusion
(3) De-starching of the plant is done for the experiment on ________ .
a) Transpiration
b) Photosynthesis
c) Respiration
d) Diffusion
(4) Iron is ________.
a) More reactive than zinc
b) More reactive than aluminium
c) Less reactive than copper
d) Less reactive than aluminium
(5) 2 ml of ethanoic acid was taken in each of test tubes A, B, C and 2ml, 4 ml, 6 ml of water was added to them respectively. A clear solution is obtained in ________.
a) Test tube A
b) Test tube B
c) Test tube C
d) All the test tubes

II)  Answer any five of the following: (10)
(1) Give scientific reasons:
Paleontological evidence suggests that invertebrates came into existence before the vertebrates.
(2) How will you obtain alternative fuel?
(3) Translate the following statement into chemical equation and then balance it:
What happens when aluminium oxide dissolves in aqueous sodium hydroxide?
(4) Write a short notes on the following:
Germination of seed.
(5) What are alkynes? Name the first member of alkyne family.
(6) Explain two methods to prevent corrosion of metals.

III)  Attempt any five of the following: (15)
(1) Describe the general properties of ionic compounds.
(2) Describe the structure of Benzene. Write its molecular and structural formulae.
(3) Explain the structure of a neuron with the help of a neat well-labelled diagram.
(4) What are plant hormones? Give suitable examples with their functions.
(5) Explain advantages of limited family size and compare it with disadvantages of large family size.
(6) What do you mean by biological resources? What are the reasons for depletion of biological resources.

IV)  Attempt any one of the following: (5)
(1) Answer the following questions with reference to the excretory system in human beings:
i) State the names of organs of the system.
ii) Explain the structure and functions of a nephron
iii) Write the functions of Bowman’s capsule.

(2) With the help of a diagram (Punnet square) show a Mendelian experiment where tall pea plant bearing red flowers is crossed with a short pea plant bearing white flowers. Write both the phenotypic and genotypic ratio for F2 generation.

Monday, February 6, 2017

SSC Papers Geometry

SSC Papers for Practice Geometry Maharashtra Board



Q.1) Solve any Five (5)       
1) In ∆ABC ∠C = 60o, ∠B=  90o, AC = 10cm. Find AB and BC.
2) Draw  an angle of measure 120o and bisect it.
3) Find area of sector of a circle of radius 6cm and arc length 15cm.
4) Find slope of inclination of line if Θ= 30o.
5) The terminal arm is on negative y axis what are the possible angles?
6) Two circles having radius 5cm and 4cm touch each other internally. Find distance between their centres.

Q.2) Solve any Four (8)
1) In Fig. 2.17, Q is the centre of circle and PM  and PN are tangent segments to the circle.  If ∠MPN = 40°, find ∠MQN.

2) In the figure ray PT is the bisector of ∠QPR. Find value of x and the perimeter of ∆PQR.
3) Find value of cosΘ and sinΘ if the ray passes through point(4,5)
4) Check whether following points are collinear P(2,4),  Q (4,6) and R (6,8)
5) Draw a circle of radius 3.4cm. Take a point K on the circle and draw tangent without using centre.
6) Find measure of arc of circle if the radius is 3.5cm and area of sector is 3.85 sqcm.

Q.3. Solve any Three (9)
1) As shown in Fig. 2.55, two chords AB and CD  of the same circle are parallel to each other.  P is the centre of the circle,  Show that ∠CPA = ∠DPB.

2) Prove Areas of similar triangle.
3) Construct the incircle of ∆STU in which ST = 7 cm, ∠T = 120°, TU = 5 cm.
4) The volume of cylinder is 6160cm3 and height is 10cm. Find its curved surface area.
5) Prove that  1 + Sin A = 1 + Sin A + Cos A 
                       Cos A      1 + Cos A - Sin A


Q.4. Solve any Two (8)
1) In the adjoining figure, O is the centre  and seg AB is a diameter. At the point C  on the circle, the tangent CD is drawn.  Line BD is a tangent to the circle at the  point B. Show that seg OD|| chord AC.
       
2) Show that P(-2,4), Q(4,8), R(10,5) and S(4,1) are the vertices of a parallelogram.
3) In∆PQR ∠Q= 90o, seg QM is median. PQ2 + PR2 = 169. Draw a circumcircle of ∆PQR

Q.5. Solve any Two (10)
1. A man on a cliff observes a boat at an angle of depression 30o, which is sailing towards  the point of the ‘shore immediately beneath him . Three minutes later the angle of  depression of the boat is found to be 60o. Assuming that the boat sails at a uniform  speed , determine how much more time it will take to reach the shore .
2. Marbles of diameter 1.4cm are dropped into a beaker containing some water and are fully submerged. The diameter of beaker is 7cm. find how many marbles are dropped if the water rises by 5.6cm.
3. Two poles of height a meters and b meters are p metres apart. Prove that the height h of the point of intersection N of the lines joining the top of each pole to the foot of the opposite pole is   ab  
                           a+b

Friday, February 3, 2017

SSC Papers History & Civics

SSC Papers for Practice History & Civics Maharashtra Board


Q.1. (A) Fill in the blanks by choosing correct alternatives given in the brackets: (3)
1) ______________ wrote the books Through The Dark Continent and Darkest Africa. (Mungopark, Stanley, Livingstone, Samuel Baker)
2) Jomo Keneta started ______________ movement in Kenya. (Non-co-operation, Mau-Mau, Swadeshi, Anti racial)
3) In 1949 under the leadership of ______________ nationalist China was formed. (Dr.Sen Yat Sen, Mao Tse Tung, Yang Chaug, Che Tu Tus)

Q.1. (B) Match the Groups: (3)
        
Group A
Group B
1.    Super computer
2.    Missile man of India
3.    Father of rocket science

a. Charles Babbage
b. Godard
c. Vijay Bhatkar
d. Dr. A.P.J.Abdul Kalam

Q.2. Answer the following question in 20 to 25 words each: (Any Two) (4)
1) What is economic imperialism?
2) Write a note on foreign policy of Bismark.
3) Write a note on the Security Council of United Nations Organisation.

Q.3. Give reason for the following statement in 25 to 30 words each: (Any Two) (4)
1) The undeveloped and developing nations are in the cluthes of globalization.
2) The democratic governments collapsed after world war I.
3) The continent of Africa was known as unknown continent till 18th century.

Q.4. Answer the following question in 30 to 40 words each: (Any Two) (6)
1) How was India brought under the reign of England?
2) Explain the role of the middle-class in the process of decolonization.
3) Which factors were responsible for the process of decolonization?

Q.5. Answer the following question in 60 to 80 words each: (Any Two) (8)
1) Explain the effects of the cold war.
2) Write about Hitler’s internal policy.
3) Explain the contribution of Lenin in Russian Revolution.

CIVICS

Q.6. Fill in the blanks choosing correct word from the bracket: (3)
1) ______________is the core of democracy. (People, Representative, People’s participation Parliament)
2) ______________is the oldest political party in India. (Indian National Congress, Nationalist Congress Party, BJP, BSP)
3) In Australia amendment to constitution is brought by ______________. (Plebiscite, Recall, Refrendum)

Q.7. Answer the following question in One sentence each: (Any Three) (3)
1) Give any one example of people’s participation in democracy.
2) Which efforts are made in India to overcome man women inequality?
3) What is representative democracy?
4) What is a criteria for recognition of national political party?
5) What is referendum?

Q.8. State whether the following statements are true or false with reason: (Any Two) (4)
1) In dictatorship people have right to criticize the government.
2) All women in the world have the right to vote.
3) Political party is a bridge between the government and people.

Q.9. Answer the following questions in 25 to 30 words: (Any One) (2)
1) What are the challenges for personal liberty?
2) Suggest measures to overcome the problem of castism.

Wednesday, February 1, 2017

SSC Papers Algebra

SSC Papers for Practice Algebra Maharashtra Board


Q1. Attempt any 5 from the following  5
1. Find the mean if ∑fx = 2500 and∑f = 50.
2. State whether the following sequence is an A.P. or not 4,9,14,24……
3. Form an equation for the following example. The sum of a natural number ‘x’ and its reciprocal is 37
                  8
4. Which of the following equations are quadratic? (i) 13 = 5y2 – y3   (ii) - 5 x2 = 2x + 9                                                                                                            3
5. If  12x + 13y=29 and 13x + 12y = 21 find (x + y)
6. A die is thrown and P is the event of getting a prime number. Write the event P using set form

Q2. Attempt any 4 from the following 8 
1. Find the value of discriminant of the following equation  √3 x2 + 2√2x – 2√3 = 0
2. Without actually solving the simultaneous equations given below, decide whether these have unique.
3. Solution, no solution or infinitely many solutions.8y = x – 10; 2x = 3y +7
4. For an A.P the first term is 25 and 20th term is 500. Find the common difference.
5. One card is drawn from a well shuffled deck of 52 cards. Find the probability of getting a king of red color.
6. Solve by factorization 49x2 – 25 = 0
7. Below is given the distribution of money (in Rs) collected by students for flood relief fund.
8. Find the mean of money ( in Rs) collected by a student by using , ‘direct method’ .
Money (in Rs)
0 – 10
10 – 20
20 – 30
30 – 40
40 – 50
No of students
5
7
5
2
6

Q3. Attempt any 3 from the following 9
1. There is a auditorium with 35 rows of seats. There are 20 seats in the first row , 22 seats in the second row, 24 seats in the third row, and so on. Find the number of seats in the twenty fifth rows.
2. Three coins are tossed simultaneously. Find the probability that   a) head at the second position  b) no tail
3. If one root of the quadratic equation kx2 – 20x + 34= 0 is 5 – 2√2  find k
4. Solve the following simultaneous equations using cramer’s rule  x +18 = 2y ; y = 2x -9 
5. Represent the following data using histogram
Height of students (cm)
140 – 144
145 - 149
150 – 154
155 - 159
No of students
2
12
10
4

Q4. Attempt any 2 from the following 8
1. Find  negative term from the following A.P 122,116,110….( find smallest n such that tn < 0)
2. Two digit number are formed from the digits 0,1,2,3,4 where digits are not repeated. Find the probability of the event  that (i) The number formed is an even number. (ii) the number formed is greater than 40 (iii)the number
Formed is prime number
3. The weight of coffee (in gms) in 70 pockets is given below..Determine the modal weight of coffee in packets.
Weights (gm)
200 – 201
201 – 202
202 – 203
203 – 204
204 – 205
205 – 206
No. of packets
12
36
20
9
2
1

Q5. Attempt any 2 from the following 10
1. The weight of a bucket is 19kg when it is filled with water up to 5/7 of capacity and weight is 22kg if it is filled with water up to 6/7 of its capacity. Find the weight of bucket if it is completely filled with water.
2. Exterior angle of a regular polygon having n sides is more than that of the polygon having n2 side by 50o. Find number of the sides of each polygon.
3. Among the group of students 10% scored mars below 20. 20% scored marks between 20 and 40, 35% scored marks between 40 and 60,20% scored marks between 60 and 80.the remaining 30students scored marks between 80 and 100. (i) prepare frequency distribution from the above information (ii)draw histogram.