Odisha HSC Paper 2014 Science Part II

No. of Questions : 5 PART – II
No. of Printed Pages : 32
Booklet Sl. No. : ......................... SUBJECTIVE
Roll No. of the Candidate
Time : 1 Hour 30 Minutes
Full Marks : 50
(Verified and found correct)
2014
Script
Full signature of the Invigilator AH
Date of exam : ...............................

REGULAR GSC
AR – 16-GSC
SET : A SCIENCE
FÜÿç ¨÷ÉÓ
§ óàÿS§ DˆÿÀÿ Qæ†ÿæsçLÿë DNÿ ¨Àÿêäæ ÓÀÿç¯ÿæ¨{Àÿ œÿçÀÿêäLÿZÿë ÜÿÖæ;ÿÀÿ LÿÀÿç{¯ÿ >
: ¨Àÿêäæ$öêZÿ œÿçþ{;ÿ Óí`ÿœÿæ :
Lÿ. ¨÷ɨ § †ÿ÷ ÓóàÿS§ DˆÿÀÿ Qæ†ÿæsç ¨æB¯ÿæ ¨{Àÿ FÜÿæ D¨{Àÿ þë’ÿ÷†ç ÿ $#¯ÿæ ¨÷ɧ ÓóQ¿æ H ¨õÏæ ÓóQ¿æ ¨÷ɨ § †ÿ÷
ÓóàÿS§ DˆÿÀÿ Qæ†ÿæÀÿ ¨÷{†ÿ¿Lÿ ¨õÏæ{Àÿ ¨÷ɧ ÓóQ¿æ H ¨õÏæ ÓóQ¿æ ÓÜÿç†ÿ þçÁÿæB œÿçA > F$#{Àÿ þë’ÿ÷†ç ÿ $#¯ÿæ
{Ósú Óó{Lÿ†ÿ ¨÷†ÿç ¨õÏæ{Àÿ {àÿQæ {ÜÿæBdç Lÿç œÿæÜÿ] þš þçÁÿæB œÿçA >
Q. ¾’ÿç Lÿçdç †ÿøsç ¨Àÿçàÿäç†ÿ ÜÿëF, {†ÿ{¯ÿ †ÿøs¾
ç Në ÿ ¨÷ɨ
§ †ÿ÷ ÓóàÿS§ DˆÿÀÿ Qæ†ÿæsç ¨Àÿêäæ SõÜÿ ’ÿæßç†ÿ´{Àÿ $#¯ÿæ
œÿçÀÿêäLÿZÿë {üÿÀÿæB AæD {SæsçF vÿçLÿú ¨÷ɧ¨†ÿ÷ ÓóàÿS§ DˆÿÀÿQæ†ÿæ þæSçœÿçA >
S. ¨÷{†ÿ¿Lÿ ¨÷ɧÀÿ †ÿ{Áÿ ’ÿçAæ¾æB$#¯ÿæ œÿç•öæÀÿç†ÿ ×æœÿ{Àÿ DˆÿÀÿ {àÿQ#¯ÿæLÿë {Üÿ¯ÿ >
W. Aæ¯ÿÉ¿Lÿ ×{Áÿ {ÉÌ{Àÿ ’ÿçAæ¾æB$#¯ÿæ A†ÿçÀÿçNÿ ¨õÏæ{Àÿ DˆÿÀÿ {àÿQæ¾æB ¨æÀÿç¯ÿ > {ÉÌ{Àÿ
’ÿçAæ¾æB$#¯ÿæ ×æœÿ{Àÿ þš Àÿüÿú LÿÀÿæ¾æB¨æÀÿç¯ÿ >
FOR USE AT THE EVALUATION CENTRE
Q. No. Marks Full Signature of
Awarded Examiner
Full Signature of the Scrutiniser
01 Regd. No.
Regd. No.
02 Regd. No.
Full Signature of the Deputy Chief Examiner
03 Regd. No.
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04 Regd. No.
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05 Regd. No. Regd. No.

Total Mark in words (......................................................................................)

Full Signature of the Examiner Who Entered The Total Marks
Regd. No. ................................ Date of Evaluation ......................
P.T.O.

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AR - 16 / P - II / GSC 2 Contd.

¨Àÿêäæ$öêþæ{œÿ ¾$æÓ»¯ÿ œÿçf µÿæÌæ{Àÿ DˆÿÀÿ {’ÿ{¯ÿ >
Candidates are required to write the answers in
their own words as far as practicable.
xÿæÜÿæ~ ¨æQ{Àÿ ’ÿçAæ¾æB$ç¯ÿæ ÓóQ¿æSëÝLç ÿ þíàÿ¿æZÿ Óí`ÿæDdç >
The figures in the right-hand margin indicate marks.
ÓþÖ ¨÷ÉÀ§ ÿ DˆÿÀÿ œÿç{”öÉæœÿëÓæ{Àÿ {àÿQ >
Answer all questions as directed.

Lÿ - ¯ÿçµÿæS ({µÿò†ÿçLÿ ¯ÿçjæœ )ÿ
Section – A (SCP )

1. (i) ¯ÿç’ÿ뿆ÿú ¨÷†ÿç{Àÿæ™SëÝLç ÿÀÿ ¨óNÿç (series) Óó{¾æS F¯ÿó Óþæ;ÿÀÿ Óó{¾æS - ¨÷{†ÿ¿Lÿ
{ä†ÿ÷{Àÿ Óþ†ÿëàÿ¿ ¨÷†ÿç{Àÿæ™ œÿç‚ÿöß LÿÀÿç¯ÿæ ¨æBô Óí†ÿ÷SÝë Lç ÿ œÿçSþœÿ LÿÀÿ > 5
Deduce the formulae to determine the effective resistance in each
case of series combination and parallel combination of resistances.
Lÿçºæ / OR
¯ÿç’ÿ뿆ÿú {Ó÷æ†ÿ Ó¸Lÿ}†ÿ "fëàÿúZÿ †ÿ樜ÿ œÿçßþ' œÿçSþœÿ LÿÀÿ > SõÜÿ ¯ÿç’ÿ뿆ÿú ¨Àÿç¨${Àÿ üÿë¿fúÀÿ
Lÿæ¾ö¿LÿæÀÿç†ÿæ ¯ÿëlæA >
Deduce ‘Joule’s law of heating’ relating to the heating effect of electric
current. Explain the working of a fuse in house wiring.

AR - 16 / P - II / GSC 3 P.T.O.

AR - 16 / P - II / GSC 4 Contd.

(ii) Óþê¨ ’ÿõÎç Lÿ'~ Àÿɽ`ç ÿç†ÿ÷ ÓÜÿæ߆ÿæ{Àÿ ¯ÿëlæA > `ÿÉþæ ¯ÿ¿¯ÿÜÿæÀÿ LÿÀÿç FÜÿæ Lÿç¨Àÿç
’ÿíÀÿêµÿí†ÿ LÿÀÿæ¾æF Àÿɽ`ç ÿç†ÿ÷ ÓÜÿ Aæ{àÿæ`ÿœÿæ LÿÀÿ > 3

Explain what is shortsight with the help of ray diagram. Discuss with
ray diagram how it is removed using spectacles.
Lÿçºæ / OR
’ÿíÀÿ’ÿõÎç Lÿ'~ Àÿɽ`ç ÿç†ÿ÷ ÓÜÿæ߆ÿæ{Àÿ ¯ÿëlæA > `ÿÉþæ ¯ÿ¿¯ÿÜÿæÀÿ LÿÀÿç FÜÿæ Lÿç¨Àÿç ’ÿíÀÿêµÿí†ÿ
LÿÀÿæ¾æF, Àÿɽ`ç ÿç†ÿ÷ ÓÜÿ Aæ{àÿæ`ÿœÿæ LÿÀÿ >
Explain what is longsight with the help of ray diagram. Discuss with
ray diagram how it is removed using spectacles.

AR - 16 / P - II / GSC 5 P.T.O.

AR - 16 / P - II / GSC 6 Contd.

(iii) ¯ÿæßë{Àÿ $#¯ÿæ FLÿ Aæ߆ÿ WœÿæLÿæÀÿ Lÿæ`ÿQƒ þš{Àÿ Aæ{àÿæLÿ ÀÿɽÀç ÿ ¨÷†ÿçÓÀÿ~ {¾æSëô
¨æÉ´ö ¯ÿç×樜ÿ Àÿɽ`ç ÿç†ÿ÷ ÓÜÿ ¯ÿëlæA > 2

Explain with ray diagram what is the lateral displacement of a ray of
light due to refraction in a rectangular glass slab kept in air.
Lÿçºæ / OR
FLÿ {àÿœÿúÓÀú ÿ ¨æH´æÀÿú Lÿ'~ ¯ÿëlæA > 25 cm {üÿæLÿÓú ’ÿíÀÿ†ÿæ ¯ÿçÉÎ
ç A¯ÿ†ÿÁÿ {àÿœÿúÓÀú ÿ
¨æH´æÀÿú œÿç‚ÿöß LÿÀÿ >
Explain what is power of a lens. Find the power of a concave lens of
focal length 25 cm.

AR - 16 / P - II / GSC 7 P.T.O.

2. (i) ¨÷{†ÿ¿Lÿ {ä†ÿ÷{Àÿ Lÿæsæßœÿú H Aæœÿæßœÿú D{àÿâQ LÿÀÿç F¯ÿó xÿsú H Lÿ÷Óú B{àÿLÿúsœ÷ ÿçLÿ
ÓóÀÿ`ÿœÿæ þæšþ{Àÿ {Óæxÿçßþú {üÿâæÀÿæBxÿú A~ëÀÿ Svÿœÿ F¯ÿó þæ{S§Óß ç þú {LÿâæÀÿæBxÿú
A~ëÀÿ Svÿœÿ Aæ{àÿæ`ÿœÿæ LÿÀÿ > 5
Discuss the formation of each of sodium fluoride molecule and
magnesium chloride molecule with the help of dot-cross electronic
structures mentioning the cat-ions and an-ions in each case.
Lÿçºæ / OR
Lÿæ{¯ÿöæ{œÿsú ™æ†ÿ먃
ç H ÓàÿúüÿæBxÿú ™æ†ÿ먃
ç - ¨÷{†ÿ¿LÿÀÿë ¯ÿçÉ•
ë ™æ†ÿë Lÿç¨Àÿç œÿçÍæÓœÿ
LÿÀÿæ¾æF, A¯ÿàÿºœÿêß ¨•†ÿçSÝë Lç ÿ D’ÿæÜÿÀÿ~ H ÓþêLÿÀÿ~ ÓÜÿ Aæ{àÿæ`ÿœÿæ LÿÀÿ >
Discuss with examples and equations the usual procedures of
extraction of pure metals from carbonate ores and sulphide ores.

AR - 16 / P - II / GSC 8 Contd.

AR - 16 / P - II / GSC 9 P.T.O.

(ii) ÓÜÿ Óó{¾æfLÿ ¯ÿ¤ÿ Lÿ'~ ¯ÿëlæA > B{àÿLÿúsœ÷ ÿú xÿsú-Lÿ÷Óú `ÿç†ÿ÷ þæšþ{Àÿ œÿæB{s÷æ{fœÿú
A~ëÀÿ Svÿœÿ Aæ{àÿæ`ÿœÿæ LÿÀÿ > 3
Explain what are co-valent bonds. Discuss the formation of nitrogen
molecule with the help of electron dot-cross diagram.
Lÿçºæ / OR
Aæ™ëœÿçLÿ ¨¾ö¿æßÓæÀÿ~êÀÿ ¨¾ö¿æßSëÝLç ÿ{Àÿ {þòÁÿçLÿSëÝLç ÿÀÿ {¾æf¿†ÿæ, ¨Àÿþæ~ëÀÿ AæLÿæÀÿ
F¯ÿó ™æ†ÿ¯ÿ ¨÷Lÿõ†ÿç Lÿç¨Àÿç Lÿ÷þæœÿ´ß{Àÿ ¨Àÿç¯ÿˆÿ}†ÿ {ÜÿæB$æF Aæ{àÿæ`ÿœÿæ LÿÀÿ >
Discuss with examples the gradual change in the valency, atomic
size and metallic properties in the periods of the modern periodic
table.

AR - 16 / P - II / GSC 10 Contd.

AR - 16 / P - II / GSC 11 P.T.O.

(iii) Óó{ÉâÌ~ ÀÿæÓæßœÿçLÿ ¨÷†ÿçLÿ÷ß
ç æ F¯ÿó ¯ÿç×樜ÿ ÀÿæÓæßœÿçLÿ ¨÷†ÿçLÿ÷ß
ç æ Lÿ'~ - ¨÷{†ÿ¿LÿÀÿ
{SæsçF {àÿQæFô D’ÿæÜÿÀÿ~ {’ÿB ÀÿæÓæßœÿçLÿ ÓþêLÿÀÿ~ ÓÜÿ ¯ÿëlæA > 2
Explain the combination chemical reaction and the displacement
chemical reaction giving one example of each with chemical
equation.
Lÿçºæ / OR
¯ÿçWsœÿ ÀÿæÓæßœÿçLÿ ¨÷†ÿçLÿ÷ß
ç æ F¯ÿó {’ÿ´†ð ÿ ¯ÿç×樜ÿ ÀÿæÓæßœÿçLÿ ¨÷†ÿçLÿ÷ß
ç æ Lÿ'~ - ¨÷{†ÿ¿LÿÀÿ
{SæsçF {àÿQæFô D’ÿæÜÿÀÿ~ {’ÿB ÀÿæÓæßœÿçLÿ ÓþêLÿÀÿ~ ÓÜÿ ¯ÿëlæA >
Explain the decomposition chemical reaction and the double
displacement chemical reaction giving one example of each with
chemical equation.

AR - 16 / P - II / GSC 12 Contd.

AR - 16 / P - II / GSC 13 P.T.O.

3. (i) Aæ{àÿæLÿ ¨÷†ÿçÓÀÿ~Àÿ ’ÿ´†ç ÿêß œÿçßþsç {àÿQ > FLÿ þæšþÀÿ ¨Àÿþ ¨÷†ÿçÓÀÿ~æZÿ (n) Lÿ'~
¯ÿëlæA > n21 H n12 ¨÷{†ÿ¿Lÿ Lÿ'~ ¯ÿëlæF Aæ{àÿæ`ÿœÿæ LÿÀÿ > 3
Write the second law of refraction of light. Explain what is absolute
refractive index (n) of a medium. Discuss what are meant by n21
and n12.
Lÿçºæ / OR
þæœÿ¯ÿ `ÿäëÀÿ Óþæ{ßæfœÿ ¨æH´æÀÿú Lÿ'~ H FÜÿæ Lÿç¨Àÿç Lÿæ¾ö¿LÿæÀÿê ÜÿëF ¯ÿëlæA > FLÿ Óë×
þæœÿ¯ÿ `ÿäë ¨æBô ’ÿíÀÿ¯ÿç¢ÿë Lÿ'~ H œÿçLÿs¯ÿç¢ÿë Lÿ'~ {àÿQ >
Explain what is the power of accommodation of human eye and how
it work. Write what are distant point and near point for a healthy
human eye.

AR - 16 / P - II / GSC 14 Contd.

AR - 16 / P - II / GSC 15 P.T.O.

(ii) {Üÿæ{þæàÿSÓú {É÷~ê Lÿ'~ D’ÿæÜÿÀÿ~ {’ÿB ¯ÿëlæA > {Üÿæ{þæàÿSÓú {É÷~êÀÿ Óæ™æÀÿ~
A~ë Óó{Lÿ†ÿ Lÿ'~ ¯ÿëlæA > 2
Explain with examples what is a homologous series. Explain what is
the general molecular formula of a homologous series.
Lÿçºæ / OR
ÓóÀÿ`ÿœÿæŠLÿ AæB{ÓæþÀÿú Lÿ'~ S÷æüÿçLÿú Óó{Lÿ†ÿ ÓÜÿ D’ÿæÜÿÀÿ~ {’ÿB ¯ÿëlæA >
Explain what are structural isomers giving example with graphic
formulae.

AR - 16 / P - II / GSC 16 Contd.

AR - 16 / P - II / GSC 17 P.T.O.

Q - ¯ÿçµÿæS (fê¯ÿ ¯ÿçjæœ )ÿ
Section – B (SCL)

3. (iii) þœÿëÌ¿ ÉëLÿ÷æ~ëÀÿ FLÿ œÿæþæZÿç†ÿ `ÿç†ÿ÷ AZÿœÿ LÿÀÿ > (¯ÿ‚ÿöœÿæ Aœÿæ¯ÿÉ¿Lÿ) 3
Draw a labelled diagram of human sperm. (Description not required)
Lÿçºæ / OR
þœÿëÌ¿ {Àÿ`ÿœÿ †ÿ¦Àÿ FLÿ œÿæþæZÿç†ÿ `ÿç†ÿ÷ AZÿœÿ LÿÀÿ > (¯ÿ‚ÿöœÿæ Aœÿæ¯ÿÉ¿Lÿ)
Draw a labelled diagram of human excretory system. (Description
not required)

AR - 16 / P - II / GSC 18 Contd.

(iv) Aæªç{Lÿæ Aæ{¢ÿæÁÿœÿ ¯ÿçÌß{Àÿ {àÿQ > 2
Write about Apico movement.
Lÿçºæ / OR
¯ÿçɆ´ ÿ樜ÿ Lÿ'~ H FÜÿæÀÿ ¨÷µÿæ¯ÿþæœÿ {àÿQ >
What is global warming and write its effects.

AR - 16 / P - II / GSC 19 P.T.O.

4. (i) ÓóÉNÿç †ÿˆÿ´ ’ÿ´æÀÿæ D—ÿç’ÿ{Àÿ fÁÿÀÿ ¨Àÿç¯ÿÜÿœÿ ¯ÿëlæA > 5

Explain the transportation of water in plants by cohesion theory.

Lÿçºæ / OR
þœÿëÌ¿ AS÷ þÖçÍÀÿ ¯ÿçµÿçŸ AóÉ H †ÿæ'Àÿ Lÿæ¾ö¿ ¯ÿ‚ÿöœÿ LÿÀÿ >
Describe the different parts and their function of human fore brain.

AR - 16 / P - II / GSC 20 Contd.

AR - 16 / P - II / GSC 21 P.T.O.

(ii) ¨ÀÿçÓó×æ{Àÿ DŒæ’ÿLÿ, µÿäLÿ H A¨WsLÿÀÿ FLÿ ¯ÿç¯ÿÀÿ~ê ’ÿçA > 5
Give an account of producer, consumer and decomposer in the
ecosystem.
Lÿçºæ / OR
¨÷æLÿõ†ÿçLÿ Ó¸’ÿ ÓóÀÿä~Àÿ "ÓºÀÿ~ H ¨ëœÿ…`ÿLÿ÷~' ¯ÿ‚ÿöœÿæ LÿÀÿ >
Describe the ‘reduce and recycle’ of conservation of natural
resources.

AR - 16 / P - II / GSC 22 Contd.

AR - 16 / P - II / GSC 23 P.T.O.

5. (i) Aæ{àÿæLÿ{ÉÈÌ~Àÿ Aæ{àÿæLÿÉNÿç {ÉæÌ~vÿæÀÿë AæÀÿ» LÿÀÿç ÉLÿöÀÿæ ¨÷Ö†ë ÿç ¨¾ö¿;ÿ ÀÿæÓæßœÿçLÿ
¨÷Lÿ÷ß
ç æÀÿ {Óæ¨æœÿSëÝLç ÿ {àÿQ > 3
Write the steps of chemical processes which take place beginning
from light absorption to formation of starch in photosynthesis.
Lÿçºæ / OR
SâæB{LÿæàÿçÓÓ
ç ú H ÓëÀÿæÓæÀÿ Lÿç~œ´ ÿ ¯ÿëlæA >
Explain glycolysis and alcoholic formentation.

AR - 16 / P - II / GSC 24 Contd.

AR - 16 / P - II / GSC 25 P.T.O.

(ii) {ÓòÀÿ`ÿëàÿæÀÿ Svÿœÿ {àÿQ > (`ÿç†ÿ÷ Aœÿæ¯ÿÉ¿Lÿ) 3
Write the structure of solar cooker. (Diagram not required)
Lÿçºæ / OR
fÁÿdæßæ ¨Àÿç`ÿæÁÿœÿæ ¨æBô {LÿDô ¨’ÿ{ä¨þæœÿ œÿçAæ¾æB$æF ?
What steps are taken for watershed management ?

AR - 16 / P - II / GSC 26 Contd.

AR - 16 / P - II / GSC 27 P.T.O.

(iii) A¯ÿ{ÉÌæèÿ Lÿ'~ ? FÜÿæÀÿ {SæsçF D’ÿæÜÿÀÿ~ ’ÿçA > 2
What is vestigial organ ? Give one example of it.
Lÿçºæ / OR
àÿçèÿ œÿç•æö Àÿ~{Àÿ {ÓOÿ {Lÿ÷æ{þæ{fæþúÀÿ µÿíþLç ÿæ Lÿ'~ ?
What is the role of sex chromosome in the sex determination ?

AR - 16 / P - II / GSC 28 Contd.

(iv) ™þœÿê H ÉçÀÿæ þš{Àÿ ÀÿNÿ Ó´æµÿæ¯ÿçLÿ µÿæ{¯ÿ LÿæÜÿ]Lÿç fþæs ¯ÿæ¤ÿç œÿ $æF ? 2

Why does the blood not clot naturally inside the arteries and veins ?

Lÿçºæ / OR
{üÿâæÀÿç{fœÿú H üÿæB{sæ{Lÿ÷æþú üÿëàÿ ™Àÿç¯ÿæ ¨÷Lÿ÷ß
ç æLÿë Lÿç¨Àÿç œÿçߦç†ÿ LÿÀÿ;ÿç ?
How do florigen and phytochrome regulate the flowering process ?

AR - 16 / P - II / GSC 29 P.T.O.

A†ÿçÀÿçNÿ ¨õÏæ
ADDITIONAL PAGE

AR - 16 / P - II / GSC 30 Contd.

AR - 16 / P - II / GSC 31 P.T.O.

A†ÿçÀÿçNÿ ¨õÏæ
ADDITIONAL PAGE

AR - 16 / P - II / GSC 32 Contd.