Transcription of Part - III SCIENCE
1 6830 part - IIIA / SCIENCE ( u B[Q / Tamil & English Versions) | : 2 o ][ zu v sP : 75 Time Allowed : 2 Hours ][Maximum Marks : 75A :(1)A zx UP \ P Aa_ v Q E u G u \ zxU P . Aa_ v S A UPsP o h Eh i P u UP .(2)} A x P mk G x u S AiU P ik u S kzu sk . h[P u S ] kzu .Instructions :(1)Check the question paper for fairness of printing. If there is any lack offairness, inform the Hall Supervisor immediately.(2)Use Blue or Black ink to write and underline and pencil to draw :C zu P U P :This question paper contains three sections.]
2 & I / SECTION - I( v sP : 15) / (Marks : 15)S :(i)C E 15 UP US h UP .15x1=15(ii)A h U S P kUP mk hP P \ h z u ukzx G u .Note :(i)Answer all the 15 questions.(ii)Choose the correct answer from the alternatives given in the brackets.[ v P / Turn overNo. of Printed Pages : 16!6830 SCIENCE ! v GsRegister _ \ u } | vUP mk u P n zv _____ \ P ] u h v US .(B , mh , P , h h )In persons suffering from insulin - dependent diabetes, _____ the cells of pancreasare degenerated.(Alpha, Beta, Gamma, Delta)2. u S uUS u u P kUP k | z uk ] _____.
3 ( , DPT, DPT , BCG)The first vaccine injected into a just born baby is _____.(Oral polio, DPT, DPT and Oral polio, BCG)3. | u hU P sh zxh u h h | a _ _____.( u k, u , Am , )The endocrine gland related to the immune system is _____.(Thyroid, Thymus, Adrenal, Pineal)4.} F zu u A zx x _____ P } P]Q x.(C zx , si \ , U , )If a water soaked seed is pressed, a small drop of water comes out through the_____.(Stomata, Lenticel, Micropyle, Radicle)5. m _____ C h P n kQ x.( x B UQ x sm UQ , Chx B UQ Chx sm UQ , x sm UQ ~ u ,Chx sm UQ u )Mitral valve is found between _____.
4 (Right auricle and right ventricle, Left auricle and left ventricle, Right ventricle andpulmonary artery, Left ventricle and aorta)36830[ v P / Turn over6. m , En P E g_ u P ] P _____ .( h [P , U P \ P , P , h P )In monotropa the special type of root which absorbs nourishment is the _____.(Haustoria, Mycorrhizal root, Clinging root, Adventitious root)7. i u uUS P _____ }UP .( u { a _zvP , C sh { a _zvP , { a_zvP , a _zvP )The sedimented and floating materials are removed by this treatment process.(Primary treatment, Secondary treatment, Tertiary treatment, Peripheral treatment) Ph zxU S P _ ]UP kzx UP _____.}}
5 ( & BU , BU & |m , m & |m )The mixture of gases used by deep-sea divers is _____.(helium - oxygen, oxygen - nitrogen, hydrogen - nitrogen) ]miU A zv P E x. u E A _____.( UiU A , h h U A , ]m U A )Vinegar is present in acetic acid. Curd contains _____ acid.(Lactic acid, Tartaric acid, Citric acid) zxU P a \ [P US Ai h u _____ u Sv E x.(14& x u Sv , 15& x u Sv , 16& x u Sv )An element which is an essential constituent of all organic compounds belongs to the_____ group.(14th group, 15th group, 16th group) C U Pmi kzu kQ x.(Gzu , Gzu U A )_____ is used for coagulating rubber from latex.
6 (Ethanol, Ethanoic acid) S A G x _____ E A US n E Pa ] P A k P S .( cm, cm, mm, mm)Screw Gauge is an instrument used to measure the dimensions of very small objectsupto _____.( cm, cm, mm, mm) u mk uzv Sa \ C A _____ .(Ch a], kUP , \, Pnzu US \)The physical quantity which is equal to the rate of change of momentum is _____.(displacement, acceleration, force, impulse) m o G x _____ A S BS .( zu k, v , , mh )Kilowatt-hour is the unit of _____.(potential difference, electric power, electric energy, charge) PU Phzv mh Gu a _ _____ IE US.
7 (P u , G v \, ysk mh )An electric current through a metallic conductor produces _____ around it.(magnetic field, mechanical force, induced current)56830[ v P / Turn over & II/SECTION - II( v sP : 40) / (Marks : 40)S : G C x UP US h UP .20x2=40 Note :Answer any twenty questions s P u ] zv S , zv S k .R UP q s P Gzu P kP P sk G U S kP.(i) uU Pso { } , P , , a \ G kQ P k _____ G k .(ii) , P n k A mk P kP _____ G k .The inheritable characters vary in different species and within the same species.
8 Namethe variation in the following cases.(i)The eye colour among the human beings are varied as blue, black, brown, greenetc. This is called as _____ variation.(ii)The dentition in the rabbit and the elephant are not the same. This is called as_____ G G ?What is Genetic Engineering ? uS u C nP zxP.( xP , G , ~sq , ] u , P A [P )(i)uk x(ii)C P (iii)]m U A (iv) mh P Match the following by identifying the pair :(medicines, fuel, microbes, metabolism, organic acids)(i)Vaccine,(ii)Natural gas,(iii)Citric acid,(iv)Vitamins6683019. S P | P uU S mh H kQ.
9 | , S P | x E Pzv UP BQ A S P kQ . CUT \ ? u P C v zv G and Kwashiorkar are both protein deficiency defects. Marasmus differsfrom Kwashiorkar in enlarged belly and swelling in the face. Are these symptoms forthe above diseases correct ? If not, correct E hz u x P kUP mk S P Eu P[P U S the diagram and label the parts with the help of the clues given :(i)Cx ] } Pzv x A x _ .(ii)Cx _ US P B h j P i BS .(i)It is otherwise called supra renal gland.(ii)It secretes two hormones, namely aldosterone and P kUP mk hz u x R P[P U S UP.]
10 (i)GU (ii)S { U Draw the given diagram and label the following parts.(i)Exine(ii)Tube nucleus76830[ v P / Turn over22. a ` JmhP uP P | Q S any four adaptations seen in the camel so that it can live successfully in zv u u uz u ukzx G xP.(i)S , S , L , B .(ii) kP , P h \ kP , P iP , ^ .Pick out the odd one out.(i)globulin, glomerulus, fibrinogen, albumin(ii)mountain goat, big horned sheep, grizzly bear, seal24. Amh n { }UP E P P P ] } P ] } , U A , Q mi UQ |m P P ~ k P _____ u _____AvP } E P Complete the table given below :Excretory organDisposed asExcretory productsKidneysUrineNitrogenous waste products - Urea, Uric acid, Creatinine air _____.
