HP Board 8th Class Model Test Paper 2024 Science

16 (8th) File -10

MODEL TEST PAPER ∑ ) ¿Ù≈Ë ‹«∏ ∑ Ë ∑ Ë π) ¿Ù≈ð ‹«∏ ∑ð ∑ Ë
CLASS - 8th ª) ¬ÈM · ∑ Ë ÉÊ) ◊Á„‹Ê ∑ Ë
SUBJECT - Science Voice of which of the following is likely to have
minimum frequency ?
Time : 3 hours M.M. : 100
a) Baby girl b) Baby boy
¬˝‡ÔŸ ‚¢¯ v - wz Ã∑ ∑ð ¬˝‡ÔŸ ’„È Áfl∑ ÀÔ¬Ëÿ „Ò – Áfl∑ ÀÔ¬ øÈÁŸ∞
c) A man d) A woman
Q.No 1 - 25 are MCQ. Choose the right option :-
y. ∞∑ ≈Ò « ¬Ù‹ Á¡‚ ¬˝∑˝ ◊ hÊ⁄Ê √ÿS∑ ◊ð¥ Áfl∑ Á‚à „ÙÃÊ „Ò fl„ „Ò —
v. ÁŸêÔŸÁ‹Áπà ◊𥠂ð ∑ ıŸ ‚Ë ¬ıœÊ ÉÊ⁄ ªÒ‚ Ÿ„Ë¥ „Ò ?
∑ ) ÁŸ·ðøŸ π) ∑ ÊÿÊ¢Ã⁄áÊ
∑ ) ∑ Ê’¸Ÿ «Êß•ÊÚÄÔ‚Êß« π) ‚À» ⁄ «Êß•ÊÚÄ‚Êß«
ª) ⁄Ù¬áÊ ÉÊ) ◊È∑È ‹Ÿ
ª) ◊ÒÕðŸ ÉÊ) ŸÊß≈˛ Ù¡Ÿ
A tadpole devlops into an adult frog by the process
Which of the following is not a greenhouse gas ? of
(a) Carbon dioxide (b) Sulphur dioxide a) fertilisation b) metamorphosis
(c) Methane (d) Nitrogen c) embedding d) budding
w. ÁŸêÔŸÁ‹Áπà ◊𥠂ð Á∑ ‚ð ÉÊ·¸áÊ mÊ⁄Ê •Ê‚ÊŸË ‚ð •ÊflðÁ‡Êà Ÿ„Ë¥ Á∑ ÿÊ z. ‚¢ø⁄áÊËÿ ⁄٪٥ ∑ Ê ‚’‚ð ◊ÈÅÿ ∑ Ê⁄∑ „Ò —
¡Ê ‚∑ ÃÊ ? ∑ ) øË¥≈ Ë π) ◊ÄπË (ÉÊ⁄ð ‹È ◊ÄπË)
∑ ) å‹ÊÁSÔ≈ ∑ ∑ Ê ¬Ò◊ÊŸÊ π) ÃÊ¢’ð ∑ Ë ¿«∏ ª) ∑ ÊÚ∑ ⁄Ùø ÉÊ) ÁÃËË
ª) »Í ‹Ê „È •Ê ªÈé’Ê⁄Ê ÉÊ) ™ ŸË flSòÊ The most common carrier of communicable disease
Which of the following cannot be charged easily is
by friction ? a) ant b) housefly
a) A plastic Scale b) A Copper rod c) dragonfly d) spider
c) An inflated balloon d) A Woollen cloth. {. ’¢Œ ∑ ◊⁄ð ◊ð¥ ∑ Ùÿ‹Ê ¡‹ÊŸÊ πÃ⁄ŸÊ∑ „ÙÃÊ „Ò ? ß‚ ¬Á⁄ÁSÕÁà ◊ð¥
x. ÁŸêÔŸ ◊𥠂ð Á∑ ‚ flÊ∑Ô˜ äflÁŸ ∑ Ë •ÊflÎÁà ãÿÍŸÃ◊ „ÙŸð ∑ Ë ‚ê÷ÊflŸÊ ∑ ıŸ ‚Ë ªÒ‚ ©à¬ãŸ „ÙÃË „Ò Á¡‚∑ð ∑ Ê⁄áÊ ‚Ù∞ „È ∞ √ÿÁÄÔÃÿÙ¥ ∑ Ë
„Ò– ◊ÎàÿÈ ÷Ë „Ù ‚∑ ÃË „Ò –

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∑ ) ŸÊߺ˝Ù¡Ÿ π) ∑ Ê’¸Ÿ ◊ٟٕÊÚÄ‚Êß« ~. ∑ ÙÁ‡Ê∑ Ê ∑ð Á∑ ‚ ÷ʪ ◊ð¥ ∑ ÙÁ‡Ê∑ Ê¢ª ¬Ê∞ ¡ÊÃð „Ò¥ ?
ª) ∑ Ê’¸Ÿ«Êß•ÊÄ‚Êß« ÉÊ) •ÊÄ‚Ë¡Ÿ ∑ ) ∑ ÙÁ‡Ê∑ ʺ˝√Ôÿ π) Á⁄ÁÄÔÃ∑ Ê
It is dangerous to burn coal in a closed room. which ª) ∑ð ãº˝∑ ÉÊ) å‹ÊÁS≈«
gas is produced in above situation due to which Which part of cell contains organelles?
the person sleeping in the room could be killed .
a) cytoplasm b) vacuoles
a) Nitrogen b) Carbon monoxide
c) Nucleus d) Plastids
c) Carbon dioxide d) oxygen
vÆ. øËŸË ∑ Ù ∞À∑ Ù„‹ ◊𥠬Á⁄flÁÃø ∑ ⁄Ÿð ∑ð ¬˝∑˝ ◊ ∑ Ê ŸÊ◊ „Ò —
|. “⁄ð « «Ê≈Ê ’È∑ ” ◊ð¥ ∑ ıŸ ‚ð ¡ËflÙ¥ ∑ Ê Á⁄∑ Ê«¸ ⁄πÊ ¡ÊÃÊ „Ò ?
∑ ) ŸÊß≈˛ Ù¡Ÿ ÁS⁄Ë∑ ⁄áÊ π) ◊ÙÁÀ«¢ ª
∑) ‹ÈåÃÔ ¡Ëfl π) ‚¢∑ ≈ʬãÔŸ S¬Ë‡ÊË¡
ª) Á∑ áflŸ ÉÊ) ‚¢∑˝ ◊áÊ
ª) ◊Îà ¡Ëfl ÉÊ) ‹Ê‹ ⁄¢ ª ∑ð ¡Ëfl
The process of conversion of sugar into alcohol is
What type of record is kept by red data book ? called.
a) Extinct animals a) Nitrogen fixation b) moulding
b) Endangered species c) fermentation d) infection
c) Dead animals vv. ‚ÙÁ«ÿ◊ •ı⁄ ¬Ù≈ÊÁ‡Êÿ◊ ∑ Ù ∑ ıŸ ‚𠬌ÊÕ¸ ◊ð¥ ⁄πÊ ¡ÊÃÊ „Ò ÃÊÁ∑ flð
d) Red coloured animals •Êªð Ÿ ¬∑ «∏ð
}. ÁŸêÔŸÁ‹Áπà ◊𥠂ð ∑ ıŸ ‚Íÿ¸ ∑ Ê ª˝„ Ÿ„Ë¥ „Ò ? ∑ ) ¬ÊŸË π) Á◊^Ô Ë ∑ Ê Ãð‹
∑ ) ‚ËÁ⁄ÿ‚ π) ’Èœ ª) ‚⁄‚Ù¥ ¬Ê©«⁄ ÉÊ) Á◊^Ô Ë, ⁄ð Ã
ª) ‡ÊÁŸ ÉÊ) ¬ÎâflË In which substance, the sodium and potassium are
Which of the following is NOT a planet of the sun ? stored, so that they wouldn’t catch fire.

a) Sirius b) Mercury a) Water b) Kerosine oil

c) Saturn d) Earth c) musturd powder d) soil, sand

18 (8th) File -10

vw. flð å‹ÒÁS≈« Á¡Ÿ◊𥠄⁄Ê ⁄¢ ¡∑ ©¬ÁSÕà „ÙÃÊ „Ò ........... ∑ „‹ÊÃð „Ò¥ – vz. CFC ∑ Ê ¬Í⁄ Ê ŸÊ◊ „Ò
∑ ) Õ˝Ùê’Ùå‹ÊS≈ π) Ä‹Ù⁄Ùå‹ÊS≈ ∑ ) ∑ Ê’¸Ÿ » ÊS»ð ≈ Ä‹Ù⁄Êß««
ª) ÀÿÍ∑ Ùå‹ÊS≈ ÉÊ) Õ◊Ù¸å‹ÊÁS≈∑ π) ∑ Ê’¸Ÿ »È ‹⁄ËŸ ∑ Ê’¸Ÿ
Those plastids in which green pigment is present
ª) Ä‹Ù⁄Ù ç‹Ù⁄Ù ∑ Ê’¸Ÿ
are known as .............
ÉÊ) Ä‹Ëÿ⁄ » ÊÚª Ä‹ËŸ⁄
a) Thrompoplast b) Chloroplast
The full form of CFC is
c) Leukoplast d) Thermoplastic
vx. Ÿ⁄ •ı⁄ ◊ÊŒÊ ÿÈÇÔ◊∑ ∑ Ê Á◊‹ŸÊ ............. ∑ „‹ÊÃÊ „Ò ? a) Carbon phosphate chloride
∑ ) ÁŸcÔ∑ Ê·Ÿ π) ÁŸ·ðøŸ b) Chloro fluoro carbon
ª) ¬⁄ʪáÊ ÉÊ) ‚¢ÿÙ¡Ÿ c) Carbon fulreen carbon
The process of fusion of male and female gamete d) Clear fog cleaner
is called ...........
v{. ¬˝Áà ∞∑ Ê¢∑ ˇÊðòÊ» ‹ ¬⁄ ‹ªŸð flÊ‹ð ’‹ ∑ Ù ∑ „Ãð „Ò –
a) Emission b) tertilisation
∑ ) ŒÊ’ π) ªÈM àfl
c) pollination d) fusion
ª) ¬˝ÁÃ∑ ·¸áÊ ÉÊ) ∑ ·¸áÊ
vy. •ê‹Ëÿ fl·Ê¸ ◊ÈÅÿ× Á◊üÊáÊ „Ò
∑ ) ‚À» ÿÍÁ⁄∑ •ı⁄ ŸÊßÁ≈˛ ∑ •ê‹ Force per unit area is called .............

π) ¡‹ •ı⁄ Ãð‹ (a) Pressure (b) Gravity
ª) ∞Á‚Á≈∑ •Ç‹ •ı⁄ ’˝Ù◊ËŸ (c) Repulsion (d) Drag
ÉÊ) ∞S∑ ÊÁ’¸∑ fl Á‚Á≈˛ ∑ •◊‹ v|. ÁŸêÔŸ ◊𥠂ð ∑ ıŸ ‚Ê ∑ ÕŸ ‚„Ë „Ò –
Acid rain is mainly a mixture of ∑ ) ‚÷Ë œÊÃÈ∞¢ Ããÿ „ÙÃË „Ò¥–
a) Sulphuric and Nitric acid
π) ‚÷Ë •œÊÃÈ∞¢ Ããÿ „ÙÃË „Ò¥–
b) Water and oil
ª) ‚Ê◊Êãÿ× œÊÃÈ∞¢ Ããÿ „ÙÃË „Ò¥ –
c) Acetic acid and bronine
ÉÊ) ∑È ¿ •œÊÃÈ∞¢ Ããÿ „ÙÃË „Ò –
d) ascorbic and citric acid

19 (8th) File -10

Which of the following statement is corrrect ? These are reserved forests which provide
a) All metals are ductile. protection and suitable living condition to the wild
b) All non-metals are ductile. animals. People living nearby are allowed to do
certain activties such as grazing by their livestock,
c) Generally, metals are ductile.
collecting medicinal plants, firewood etc. These are
d) Some non-metals are ductile.
called
v}. ߟ ¬ŒÊÕÙ¸ ∑ð ’ŸŸð ∑ Ê ¬˝∑˝ ◊ ’„Èà œË◊Ê „Ò – •ı⁄ ߟ∑ð ’ŸŸð ∑ Ë
a) Zoo b) garden
¬Á⁄ÁSÕÁÃÿÊ° ¬˝ÿÙª‡ÊÊ‹Ê ◊𥠩à¬ãÔŸ Ÿ„Ë¥ ∑ Ë ¡Ê ‚∑ ÃË ÁŸêÔŸ Áfl∑ À¬Ù¥
◊𥠂ð ∑ ıŸ ‚𠬌ÊÕ¸ ∞ð‚ð „Ò¥ ? c) National park d) Wild life centualy
∑ ) ∑ Ê°ø π) å‹ÊÁS≈∑ wÆ. •ÁÇŸ‡Ê◊Ÿ ◊𥠬˝ÿÈÄÔà „ÙŸð flÊ‹Ë ªÒ‚ „Ò
ª) œÊÃÈ ÉÊ) ¡Ëflʇ◊ ßZœŸ ∑ ) „Êß«˛ Ù¡Ÿ π) •ÊÄ‚Ë¡Ÿ
The formation of these is a very slow process and ª) ◊ËÕðŸ ÉÊ) ∑ Ê’¸Ÿ «Êß•ÊÄÔ‚Êß«
conditions for their formation cannot be created in The gas used in the operation of extinguishing fire
laboratory. Which of the materials are these from
a) Hydrogen b) oxygen
the given options.
c) Methane d) Carbon dioxide
a) Glass b) plastic
wv. øÊ⁄ ’ìÊÙ¥ ∑ Ù ‹Ù≈ÁŸ∑ , SÕÒÁÃ∑ ÃÕÊ ‚¬Ë¸ ÉÊ·¸áÊ ∑ð ∑ Ê⁄áÊ ’‹Ù¥ ∑ Ùð
c) metal d) fossil fuel
ÉÊ≈Ãð ∑˝ ◊ ∑ð √ÿflÁSÕà ∑ ⁄Ÿð ∑ð Á‹∞ ∑ „Ê ªÿÊ– ©Ÿ∑ Ë √ÿflSÕÊ
v~. ÿð flð •Ê⁄ÁˇÊà flŸ ˇÊðòÊ „Ò¥ ¡„Ê° flãÿ¬˝ÊáÊË ‚È⁄ ÁˇÊà ∞fl◊Ô˜ ‚¢⁄ ÁˇÊà ⁄„Ãð
ŸËøð ŒË ªß¸ „Ò – ‚„Ë √ÿflSÕÊ ∑ Ê øÿŸ ∑ ËÁ¡∞ -
„Ò¥ – •Ê‚¬Ê‚ ⁄„Ÿð flÊ‹ð ‹ÙªÙ¥ ∑ Ù ∑È ¿ ªÁÃÁflÁœÿÙ¥ ∑ Ë •ŸÈ◊ÁÃ
⁄„ÃË „Ò¥ ¡Ò‚𠬇ÊÈ ø⁄ÊŸÊ, •ı·œËÿ ¬ıœð ß∑ ^Ôð ∑ ⁄ŸÊ fl ¡‹ÊflŸ ∑ ) ‹Ù≈ÁŸ∑ SÕıÁÃ∑ ‚¬Ë¸ π) ‹Ù≈ÁŸ∑ , ‚¬Ë¸, SÕıÁÃ∑
‹∑ «∏ Ë ß∑ _Ô Ê ∑ ⁄ŸÊ– ÿð ˇÊðòÊ ÄÿÊ ∑ „‹ÊÃð „Ò – ª) SÕÒÁÃ∑ , ‚¬Ë¸, ‹Ù≈ÁŸ∑ ÉÊ) ‡Ê¬Ë¸, SÕıÁÃ∑ ‹Ù≈ÁŸ∑
∑ ) ¬˝ÊáÊË ©ÉÊÊŸ (ÁøÁ«∏ ÿÊ ÉÊ⁄) Four Children were asked to arrange force due to
π) ©¬flŸ rolling static and sliding friction in a decreasing
ª) ⁄ÊcÔ≈˛ Ëÿ ©ÉÊÊŸ order.Their arrangements are given below. Choose
the correct arrangement.
ÉÊ) flãÿ¬˝ÊáÊË •èÿÊ⁄áÔÿ

20 (8th) File -10

a) rolling, Static, Sliding Statement-I : Some living beings give birth to young
b) rolling, Sliding, Static ones.
Statement-II : Some animals lay eggs which later
c) static, Sliding, rolling
develop into young ones.
d) Sliding, Static, rolling
a) 1 is corrrect but 2 is wrong
ww. ÿËS≈ ∑ Ê ©¬ÿÙª ÁŸêÔŸ ∑ð ©à¬ÊŒŸ ◊𥠄ÙÃÊ „Ò –
b) 2 is right but 1 wrong
∑ ) øËŸË π) ∞À∑ Ù„‹ c) 1 and 2 both are wrong
ª) „Êß≈˛ ÙÄ‹ÙÁ⁄∑ •ê‹ ÉÊ) •ÊÄ‚Ë¡Ÿ d) 1 and 2 both are right
Yeast is used in the production of wz. •Ê¬∑𠬫∏ Ù‚ ∑ð ∞∑ ‚îÊŸ ÉÊð¥ÉÊÊ ŸÊ◊∑ ⁄Ùª ‚ð ª˝Á‚à „Ò¥ ÄÿÙ¥Á∑
a) Sugar b) alcohol ∑ ÕŸ v ÄÿÙ¥Á∑ ©ã„ð¥ ÕÊÿ⁄Êÿ« ª˝ÁãÔÕ ‚ð ‚¢’¢ÁœÃ ⁄Ùª „Ò –
c) hydrochloric acid d) oxygen ∑ ÕŸ w ÕÊÿ⁄Êÿ« ª˝ÊÁãÕ ∞Á«˛ ŸðÁ‹Ÿ „Ê◊Ù¸Ÿ ‚Ô˝ÊÁflà ∑ ⁄ÃË „Ò –
wx. ∞∑ ÿÈÇÔ◊Ÿ¡ ◊𥠬Ê∞ ¡ÊŸð flÊ‹ð ∑ð ãº˝∑ Ù¥ ∑ Ë ‚¢ÅÿÊ „ÙÃË „Ò ? ∑ ) ∑ ÕŸ v ‚„Ë „Ò ¬⁄ w ªÀÔÃ
∑ ) ∑ Ù߸ Ÿ„Ë¥ π) ∞∑ π) ∑ ÕŸ w ‚„Ë „Ò ¬⁄ ªÀÔÃ
ª) ŒÙ ÉÊ) øÊ⁄ ª) ∑ ÕŸ v •ı⁄ w ŒÙŸÙ¥ ‚„Ë „Ò¥ –
ÉÊ) ∑ ÕŸ v •ı⁄ w ŒÙŸÙ¥ ªÀà „Ò
The number of nuclei present in a zyote are
Statement-I : Gentleman in your neighbourhood
a) none b) one
is affected with ‘Goitre’ disease because.
c) two d) four
Statement-II : Thyroid gland secreter “Adrenaline
wy. ∑ ÕŸ - v ∑È ¿ ¡Ëfl Áfl∑ Á‚à Á‡Ê‡ÊÈ ∑ Ù ¡ãÔ◊ ŒðÃð „Ò ¢ Hormone.”
∑ ÕŸ - w ∑È ¿ ¡Ëfl •¢«ð ŒðÃð „Ò¥ ¡Ù ’ÊŒ ◊ð¥ Á‡Ê‡ÊÈ ◊ð¥ Áfl∑ Á‚à „ÙÃð a) Statement 1 is right but 2 is wrong
„Ò ¢ – b) Statement 2 is right but 1 is wrong
∑ ) v-‚„Ë „Ò ¬⁄ w ªÀÔà π) w ‚„Ë¥ „Ò ¬⁄– ªÀà c) Statement 1 and 2 both is right
ª) v •ı⁄ w ŒÙŸÙ¥ ªÀà „Ò¥ – ÉÊ) v •ı⁄ w ŒÙŸÙ¥ ‚„Ë „Ò¥ – d) Statement 1 and 2 both are wrong.

21 (8th) File -10

w{. ÁŸêÔŸ ¬˝‡ÔŸÙ¥ ∑ð ‚¢ÁˇÊåÔà ©ûÊ⁄ •¬Ÿð ‡ÊéŒÙ¥ ◊𥠌ËÁ¡∞ ¬˝‡ÔŸ w •¢∑ ∑ Ê f) What are the advantages of using CNG and
„Ò– LPG as fuels.
∑ ) Sflë¿ ¬Ê⁄Œ‡ÊË ¡‹ ‚ŒÒfl ¬ËŸð ÿÙÇÿ „ÙÃÊ „Ò – 2 x 7 = vy ¿) ª˝ËŸ „Ê©‚ ¬˝÷Êfl ∑ ıŸ-∑ ıŸ ‚Ë ªÒ‚Ù¥ ∑ Ë fl¡„ ‚ð „ÙÃÊ „Ò ?
Á≈å¬áÊË ∑ ËÁ¡∞– g) Which gases contribute to the green house
a) Clear transparent water is always fit for Effect ?
drinking comment. w|. Á◊‹ÊŸ ∑ ËÁ¡∞ (10)

π) ÿÁŒ ‡ÊÈ∑˝ ‚Ê¢äÿÃÊ⁄ð ∑ð M ¬ ◊ð¥ ÁŒπÊ߸ Œð ⁄„Ê „Ò ÃÙ •Ê¬ ß‚ ∑ ) ¬ÈM · „Ê◊Ù¸Ÿ π⁄Ë» » ‚‹
•Ê∑ Ê‡Ê ∑ð Á∑ ‚ ÷ʪ ◊𥠬Ê∞°ªð ? π) ⁄Êß ÊÙÁ’ÿ◊ ‹ÈåÔà ¬˝¡ÊÁÃ
b) In which part of the sky can you find venus if it ª) œÊŸ øãº˝◊Ê
is visible as an evening star ? ÉÊ) •ÊflÎÁà ∑ Ê ◊ÊòÊ∑ ª„Ÿð
ª) ‚ÊÁŒ¸ÿÙ¥ ◊ð¥ Sflð≈ ⁄ ©ÃÊ⁄Ãð ‚◊ÿ ø≈-ø≈ ∑ Ë äflÁŸ ‚ÈŸÊ߸ ŒðÃË æ) ’Ê∑ ÿ¢òÊ ‹∑ «∏ Ë ∑ Ë ‹ÈªŒË ‚ð ’ŸÊ
„Ò , √ÿÊÅÿÊ ∑ ËÁ¡∞? ø) ⁄ð ÿÊÚŸ Á⁄ÁÄÔÃ∑ Ê
c) Sometimes, a cracking sound is heard while ¿) ¬˝¡ÊÁÃÿÊ° ¡Ù ‚◊ÊåÔà „Ù ªß¸ „≈¸ ¡˜Ô
taking off a sweater during winters Explain. ¡) Sfláʸ ŸÊß≈˛ Ù¡Ÿ ÁSÕ⁄Ë ∑ ⁄áÊ
ÉÊ) •¬Ÿð •Ê‚-¬Ê‚ ∑ð ∑È ¿ ÁflÉÊÈËðÁ¬Ã flSÃÈ•Ù¥ ∑ Ë ‚ÍøË ¤Ê) œ⁄ÃË ∑ Ê ©¬ª˝„ ≈ð S≈ÙS≈Ë⁄ÙŸ
’ŸÊß∞– ÜÊ) ∑ ÙÁ‡Ê∑ ʺ˝√ÿ ◊ð¥ πÊ‹Ë ‚¢⁄ øŸÊ ∞«∏ ◊‚ ∞ð嬋
d) Prepare a list of electroplated objects around Match the following
you. a) Male Kharif crop
æ) ´ ÃÈSòÊÊfl ÄÿÊ „Ò ? fláʸŸ ∑ ËÁ¡∞– b) Rhizobium Extinct species
e) What is menstruation? Explain. c) Paddy Moon
ø) ‚Ë∞Ÿ ¡Ë •ı⁄ ∞‹.¬Ë.¡Ë ∑ Ê ßZœŸ ∑ð M ¬ ◊𥠩¬ÿÙª ∑ ⁄Ÿð d) Unit of frequency Jewellery
∑ð ÄÿÊ ‹Ê÷ „Ò¥ ? e) Voice box Prepared by using
wood pulp

22 (8th) File -10

f) Rayon Vacuole æ) ∞Áߟ‹ ª¢˝ÁÕ ‚ð ‚Ô˝ÊÁflà „Ê◊Ù¸Ÿ
g) Species which Hertz e) The Hormone secreted by Adrenal gland.
have vanished ø) •¢« ÊáÊÈ ∑ „Ê° ©à¬ÊÁŒÃ „ÙÃð „Ò¥ ?
h) Gold Fixing nitrogen f) Where do the eggs develop ?
i) Satellite of the earth Testosterone ¿) ‚¡ËflÙ¥ ∑ Ë ◊Í‹÷Íà ‚⁄øŸÊà◊∑ ß∑ Ê߸–
j) Empty structure in g) Basic structural unit of living beings.
Cyptoplasm Adam’s apple ¡) ∞∑ ÁflÁ‡ÊcÔ≈ •ÊflÊ‚ ◊𥠬Ê߸ ¡ÊŸð flÊ‹Ë S¬Ë‡ÊË Ê
w}. ÁŸêÔŸ ¬˝‡ÔŸÙ¥ ∑ð ©ûÊ⁄ ∞∑ ‡ÊéŒ ◊𥠌ËÁ¡∞ 1X 10 = 10 h) Species found only in a particular habitat.
∑ ) ⁄Ê‚ÊÿÁŸ∑ ¬ŒÊÕ¸ ¡Ù ¬ıœÙ¥ ∑ Ù ¬Ù·∑ ¬˝ŒÊŸ ∑ ⁄Ãð „Ò¥ ¤Ê) Œ„Ë ∑ð ¡◊Ÿð ◊𥠂„Êÿ∑ ¡ËflÊáÊÈ
a) Chemical substance which provide nutrition i) The bacteria which is helpful in setting of curd
to the plants. ÜÊ) œÊÃÈ∞¢ •ê‹Ù¥ ∑ð ‚ÊÕ Á∑˝ ÿÊ ∑ ⁄∑ð ∑ ıŸ ‚Ë ªÒ‚ ’ŸÊÃË „Ò¥ ?
π) ÃÊ⁄Ù¥ ∑ Ê ‚◊Í„ ¡Ù ¬Ò≈ Ÿ¸ ’ŸÊÃÊ „Ò – j) Which gas is formed when acids react with
b) Group of stars that form patterns metals ?
ª) ¬ÎâflË ∑ Ë å‹ð≈ Ù¥ ∑ Ë ‚Ë◊Ê•Ù¥ ¬⁄ ÷Í∑ êÔ¬ •ÊŸð ∑ Ë ¬˝ÄÎÁà „ÙÃË w~. ÁŸêÔŸ ¬˝‡ÔŸÙ¥ ∑ð ©ûÊ⁄ ŒËÁ¡∞ – ¬˝àÿð∑ ¬˝‡ÔŸ x •¢∑ ∑ Ê „Ò ? 3 X 8 = 24
„Ò– ÿð ............. ∑ „‹ÊÃË „Ò ¢– ∑ ) ÃÊ¡◊„‹ ∑ Ë ‚¢ÈŒ⁄ÃÊ ¬⁄ ‚¢∑ ≈ ∑ Ê fláʸŸ ∑ ËÁ¡∞ –
c) Earthquake tend to occour at the boundaries a) Describe the threat to Taj Mahal.
of earth’s plate. These are called ..............
π) √ÿÊÅÿÊ ∑ ËÁ¡∞ Á∑ ‚åÔô Á· ∑ Ë ‚„ÊÿÃÊ ‚ð œ˝Èfl ÃÊ⁄ð ∑ Ë
ÉÊ) ÁflœÈà œÊ⁄Ê mÊ⁄Ê Á∑ ‚Ë ¬ŒÊÕ¸ ¬⁄ flÊ¢Á¿Ã œÊÃÈ ∑ Ë ¬⁄à ÁŸˇÊðÁ¬Ã ÁSÕÁà •Ê¬ ∑Ò ‚ð ôÊÊà ∑ ⁄𥠪ð –
∑ ⁄Ÿð ∑ Ë ¬˝Á∑˝ ÿÊ ÄÿÊ ∑ „‹ÊÃË „Ò –
b) Explain how you can locate the Pole Star with
The process of depositing a layer of any the help of Ursa Major.
desired metal on another material by means
ª) ¬⁄ÊfløŸ ∑ð ÁŸÿ◊ Á‹Áπ∞ –
of electricity is called ............
c) State in writing the laws of reflection.

23 (8th) File -10

ÉÊ) ◊ÊŸ ‹ËÁ¡∞ •Ê¬ ÉÊ⁄ ‚ð ’Ê„⁄ „Ò¥ ÃÕÊ ÷Í∑ ê¬ ∑ð ¤Ê≈∑𠋪Ãð xv. ◊ÊŸfl ŸðòÊ ∑ Ê ŸÊ◊¢Á∑ à ÁøòÊ ’ŸÊß∞ •ı⁄ •Ê°πÙ¥ ∑ Ù ‚È⁄ ÁˇÊà ⁄πŸð ∑ð
„Ò¥ – •Ê¬ •¬Ÿð ’øÊfl ∑ð Á‹∞ ÄÿÊ ‚ÊflœÊÁŸÿÊ° ’⁄Ãð¥ªð ? Á‹∞ •Êfl‡ÿ∑ ’ÊÃÙ¥ ∑ Ù Á‹Áπ∞ – 4

d) Suppose you are outside yours home and an Draw a well labelled diagram of Human Eye and
earthquake strikes. what precaution would Write some important facts to keep your eyes
you take to protect yourself ? healthy.
æ) fláʸŸ ∑ ËÁ¡∞, ÉÊ·áʸ Á∑ ‚ ¬˝∑ Ê⁄ ‡ÊÈòÊ •ı⁄ Á◊òÊ ŒÙŸÙ¥ „Ò – xw. ∑ ÊÚ¬⁄ Á¡¢∑ ∑ Ù ©‚∑ð ‹fláÊ ∑ð Áfl‹ÿŸ ‚ð ÁflSÕÊÁ¬Ã Ÿ„Ë¥ ∑ ⁄
©ŒÊ„⁄áÊ ŒËÁ¡∞ – ‚∑ ÃÊ – ∑ Ê⁄áÊ ’ÃÊß∞ – ∑ ÊÚ¬⁄ ∑ Ù ÁflSÕÊÁ¬Ã ∑ ⁄Ÿð flÊ‹Ë Á∑ ‚Ë
e) Give exmaples to show that friction is both a œÊÃÈ ∑ Ê ŸÊ◊ ’ÃÊß∞– 4
friend and a foe. Give reason, why copper can not displace zinc from
ø) ‚͡◊¡ËflÙ¥ mÊ⁄Ê „ÙŸð flÊ‹Ë „ÊÁŸÿÙ¥ ∑ Ê ‚¢ÁˇÊà Áflfl⁄áÊ ŒËÁ¡∞– its salt solution. Give example of the metal which
is able to displace from its solution.
f) Write a short paragarph on the harmful effects
of microorganisms. xx. ∑ ) √ÿÊÅÿÊ ∑ ËÁ¡∞ Á∑ ‚åÔÃÁ·¸ ∑ Ë ‚„ÊÿÃÊ ‚ð œ˝Èfl ÃÊ⁄ð ∑ Ë
ÁSÕÁà ∑Ò ‚ð ôÊÊà ∑ ⁄𥠪ð– ÁøòÊ ∑ð mÊ⁄Ê ‚◊¤ÊÊß∞– 2.5
¿) ◊Ù◊’ûÊË ∑ Ë ÖflÊ‹Ê ∑ Ê ÁøÁã„à ÁøòÊ ’ŸÊß∞–
π) ‚Íÿ¸ ¬Ífl¸ ÁŒ‡ÊÊ ◊ð¥ „Ë ÄÿÙ¥ ©ªÃÊ „Ò ? ¬ÎâflË ∑ Ë ªÁà ∑ð •ÊœÊ⁄
g) Make a labelled diagram of candle flame.
¬⁄ ∑ Ê⁄áÊ S¬cÔ≈ ∑ ËÁ¡∞ – 2.5
¡) ÁŸêÔŸ ¬˝‡ÔŸÙ¥ ∑ð ÁflSÃÎà ©ûÊ⁄ Á‹Áπ∞– •ı⁄ •Êfl‡Ôÿ∑ ÃÊŸÈ‚Ê⁄
a) Explain how can you locate the pole star with
⁄ð πÊ¢Á∑ à ÁøòÊ ÷Ë ’ŸÊß∞–
the help of ursa Major with the help of diagram.
h) Explain the following question and make well
b) Why does sun always rise in the East ?
labelled diagrams as per questions need.
Give reason on the basis of Ear th’s
xÆ. ∞∑ S¬cÔ≈ ŸÊß≈˛ Ù¡Ÿ ø∑˝ πË¥ø ∑ ⁄ Áflfl⁄áÊ ŒËÁ¡∞ Á∑ ÁflÁ÷ãÔŸ
4 movement.
‚͡◊¡ËflÙ¥ ∑ Ë „◊Ê⁄ð flÊÿÈ◊áÔ« ‹ ◊ð¥ ÄÿÊ ÷ÍÁ◊∑ Ê „Ò ?
Explain the role of various microorganisms in
our atomsphere with the help of a Nitrogen cycle
diagram.