Sslc Model Papers Essay Sample

Time Allowed:2. 30 Hours ] [ Maximum Marks: 75
Direction: Check the inquiry paper for equity of printing. If there is any deficiency of equity. inform the Hall Supervisor instantly. Note: This inquiry paper contains three Sections.
Section -I
( Marks: 15 ) Note: I ) Answer all the 15 inquiries.
two ) Choose the correct reply from the four options
given in the brackets. 15 ten 115
1. Theory of natural choice was proposed by
( Charles Darwin. Hugo de Vries. Gregor Johann Mendel. Jean Baptise Lamarck ) 2. The first vaccinum injected into a merely born babe is_
( Oral infantile paralysis. DPT. DPT and unwritten infantile paralysis. BCG )
3. In sexual reproduction of blooming workss the first event involved in this is

( fertilisation. sprouting. regeneration. pollenation )
4. The xylem in the workss are responsible for_
( conveyance of H2O. conveyance of nutrient. conveyance of amino acid. conveyance of O ) 5. green house gas which causes clime alteration and planetary heating. ( Hydrogen. O. N. carbondioxide )

6. The atoms in assorted signifiers are seeable merely under dark-field microscope. A solution incorporating such atoms is called. ( true solution. colloidal solution. suspension. H2O )
7. pH = -log10 ( H+ ) . The pH of a solution incorporating H ion. concentration of 0. 001m solution is_ ( 1. 3. 11. 14 )
8. Gold does non happen in the combined signifier. It does non respond with air ( or ) H2O. It is in_
( native province. combined province. assorted province. gaseous province )
9. Second group elements are called_
( base. alkalic earth metals. passage elements. minor passage elements )

10. IUPAC name of the first member of acetylene is. ( C2H6. acetylene. C2H6. ethyne ) 11. The weight of 50 kilograms individual at the surface of Earth is_
( 50N. 35N. 380N. 490N )
12. The possible difference required to go through a current 0. 2A in a wire of opposition 20 ohm is_ ( 100V. 4V. 0. 01V. 40V )
13. The Sl units of electric power is_ ( Joule. Volt. Watt. Coulomb ) 14. An electric current passing through a metallic music director produces_ around it.
( heat. visible radiation. magnetic field. mechanical force )
15. The Hubble infinite telescope design with twois known for good imagination public presentation over a broad field of position. ( plane mirrors. inflated mirrors. concave mirrors. convex mirrors ) SECTION -II
( Marks: 40 )

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Note: Answer any 20 inquiries.
16. Match the followers: Diseases with symptoms
a. NyctalopiaProfuse loss of blood
b. Pernicious anemiaBleeding gums
c. ScurvyNight sightlessness
d. HaemorrhageDestruction of RBC

20×2 =40

17. Identical twins are syngenic with similar chromosomal contents. Natural ringers are those who posses indistinguishable chromosomes. Fill up with suited word given in brackets. a. Identical twins are ( natural ringers. induced ringers )

B. Identical twins are ( dissimilar to each other. similar to each other ) 18. Human encephalon and the maps of different parts are given above. Mark ( a ) and ( B )

a. Seat of odor

S. THIYAGARAJAN. Msc. . B. ecl. .

B. Seat of vision

( 10 BIOLOGY )

19. Convct the statement if they are ¥110.
a. Alpha cells pmduce Insulin and beta cells produce glucagon. b. Cortlacna auppre•= the Immune radon spen! 18.
c. Thymus secretory organ is a lymphoid mass.
d. OvaJY produces eggs and androgen.
20. Basad on ralatlonshlp lllllntha spaces: ThjroJCina: Penlonality harmone Adrenaline: 21. Pull the diagram and label the parts.
. – .
. /

22. Write the three of import parta of uriniferous tubules.
23. Detect the diagram

a. Mention the type of motions shawn In Figure A and B.
B. How does the ITIIMiment differ fram the motion of mirnaea. 24. Based on relationship 1111 up:
Giant: Baleen home bases. Bat: —
25. Fill inthe blarn:

Elli: teloty cqan
a. Kidneies
b. Lu•

Elli: telo. y pnxtuclsSent out as



Decompo …/ ( Green

‘p’la”n”ts J
a. Name the procedure noted as No. 1and 3.
B. Specify the procedure 1.
c. Name anyone dodo fuel.
27. A non-renewable resource is a natural resource. If it is replaced by natural procedure at a rate comparable or faster than its rate of ingestion by human. Read this statement and confirm whether it is right or wrong. If it is wrong statement.

28. Describe: Energy preservation.
29. What are the bio fuels used for transit?
30. Distinguish between the saturated and unsaturated solution utilizing the informations given below at a temperature of 25″C. ( NaCI is 36 g ) a. 16 g NaCI in 100 g waterb. 36 g NaCI in 100 g H2O
31. Find the concentration of solution in footings of weight per centum if 20 gm of common salt is dissolved in 50 gm of H2O. 32. Fillin

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a. Monoatomic
b. Diatomic
c. Triatomic
d. Polyatomic


33. Why does the coloring material of Cu sulfate alteration when an Fe nail is kept in it? Justify your reply. 34. The hydroxide ion concentration of a
solution is 1. 0 ten 10-9m. What is the pH of the solution?

35. a. Any metal mixed with quicksilver is called amalgam. The amalgam used for dental filling is_ i. Ag – Sn amalgamii. Cu- Sn amalgam


B. Metallic elements present in brass are_ ( Zn. Cu/Cu. Fe/Fe/ . AI/AJ. Cu ) 36. Iron reacts with cone HCI and Cone. H 04 acids. But. it does non respond with Cone. HNOa. Why?
37. Diamond is the hardest allotrope of C. Give ground for its hardness. 38. Differentiate mass and weight
39. Assertion ( A ) : Liquid N Is the most normally used component In cryogenies. Reason { R ) : It is non lawfully corruptible around the universe.
a. Both ( A ) and ( R ) are right
B. ( A ) is WRJ but ( R ) is right.
c. Both ( A ) and ( R ) are wro.
d. ( A ) is right but ( R ) is wro.
40. Pull this diagram and label the parts.


degree Celsiuss

vitamin D

41. 1n the list of non conventional beginnings of energy given below. some of them are wro. List out the incorrect 1s.
( weave energy. solar energy. hydro electric power. atomic energy. tidal energy. beckon energy. geothennal energy ) 42. Pull the conventional diagram of an electric circuit consisting of a batiBry of two cells of 1. 5V each. three opposition of 5ohm and 15ohm severally and a stopper key. all connected In sertes.

43. Match the following Inthe instance of a convex lens
Position of the object•Relative size of the image
a. Beyond 2Finfinitive big
B. At 2Fdiminished

c. Between Fand 2F
d. At focal point F

same size

$ . ntiYAGARAJAN. Mtc. . B. . erectile dysfunction. .
c. ll: tlt4884148

( 10 BIOLOGY )

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44. A concave lens has focal length of 15 mutton quad. At what distance should the object from the lens be placed. so that it forms an image 10 mutton quad from the lens? 45. Fill in the spaces:
a. For a motor: a lasting magnet. so commercial motor_ b. Focal length of a lens: metre. so for power of a lens_

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Section – Ill
( Marks: 20 )
Note: I ) Answer any four inquiries by taking one inquiry from each portion. two ) Each inquiry carries five Markss.
three ) Draw diagram wheresoever necessary.
46. List the recent progresss made in bio-technical field through a chart.

Organic acids

47. There is a widespread eruption of malaria in your country.
a. Suggest some controlling steps to the local governments concerned. B. Pick out the right symptom for malaria.
( iciness and tremble and a rise in temperature. diarrhoea )
Part -II
48. Write the two events involved in the sexual reproduction blossoming workss. a. Discuss the first event and compose the types.
B. Give the advantages and disadvantages of that event.
49. In your country there is scarceness of H2O. Due to this the people are affected. So what are the steps to be taken by you to run into out the scarceness of H2O? PART -Ill
50. a. List out the differences between atoms and molecules. B. Find the figure of moles in Cu incorporating 12. 046 ten 1022 molecules. S. THIYAGARAJAN. Msc. . B. erectile dysfunction. . ( 10 BIOLOGY ) P. G. ASST. IN BIOLOGY

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51. a. Define esterification. Give its chemical reaction.
B. Write any two utilizations of ethyl alcohol.

52. a. Newton’s foremost jurisprudence of gesture gives a qualitative definition of force. Justify. B. 10mls5 m/sF. 12mls4mls
8-8- 8-8–
The figure represents two organic structures of multitudes 10 kilograms and 20 kilogram and traveling with an initial speed of 10 ms”1and 5 ms”1 severally. They are clashing with each other. After hit they are traveling with speeds 12ms•1and 4ms•1 severally. If the clip of hit be 2 sec. calculate F1 and F2.

53. a. Re-draw the above diagram
B. This diagram represents_
c. Label the parts of the diagram.
d. Write the rule of the device denoted in the diagram. Roentgen

s r• . . ” . . -c

S. THIYAGARAJAN. Msc. . B. erectile dysfunction. .
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( 10 BIOLOGY )