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#### Creative Important 1 Marks Questions

10th Standard EM

Reg.No. :
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Science

Time : 02:00:00 Hrs
Total Marks : 250

Part A

115 x 1 = 115
1. Physics that deals with the effect of force on bodies is

(a)

Kinematics

(b)

Dynamics

(c)

Statics

(d)

Mechanics

2. The resistance of a body to change its state of motion is called

(a)

force

(b)

momentum

(c)

inertia of motion

(d)

inertia of direction

3. A & B are two objects with masses 100 kg & 75 kg respectively, then _______

(a)

both will have same inertia

(b)

B'will have more inertia

(c)

A will have more inertia

(d)

both will have less inertia

4. If two equal forces acting along opposite direction is parallel to each other then they are called as

(a)

resultant

(b)

equilibriant

(c)

like

(d)

unlike

5. The acceleration due to gravity varies on earth with

(a)

distance

(b)

height

(c)

mass of an object

(d)

all the above

6. On a rainy day, small oily films on water show brilliant colours. This is due to

(a)

scattering

(b)

dispersion

(c)

reflection

(d)

refraction

7. When a person is myopic, he / she can clearly see

(a)

Both nearby & far off

(b)

Only nearby objects

(c)

Only far off objects

(d)

Neither nearby nor far off objects

8. In Astigmatism, eye cannot see

(a)

distance object

(b)

nearby object

(c)

parallel lines

(d)

both a & b

9. Cylindrical lens is used to correct

(a)

Myopia

(b)

Hypermetropia

(c)

Presbyopia

(d)

Astigmatism

10. In a simple microscope to obtain higher magnification, the focal length convex lens should be _____

(a)

Large

(b)

Small

(c)

1 cm

(d)

None

11. Thermal expansion atparticular temperature is less in

(a)

solid

(b)

liquid

(c)

gas

(d)

all above

12. Increase in area due to heating is called

(a)

Linear expansion

(b)

Superficial expansion

(c)

Cubical expansion

(d)

real expansion

13. According to Charles's law

(a)

P ∝ $\frac{1}{V}$

(b)

V ∝ T

(c)

V ∝ n

(d)

all the above

14. SI unit of temperature is ______

(a)

K

(b)

°C

(c)

/°C

(d)

0F

15. Charles's law is also called as ______

(a)

the law of temperature

(b)

the law of pressure

(c)

the law of volume

(d)

the law of gas

16. The relation between potential difference (V) and current (I) is:

(a)

$\alpha$I

(b)

V$\alpha$I2

(c)

V$\alpha$$\frac{I}{I}$

(d)

None of the above

17. Which of the following laboratory apparatus is used during the verification of Ohm's law?

(a)

Voltmeter

(b)

Ammeter

(c)

Rheostat

(d)

All the above

18. If one of the resistors in a parallel circuit is removed, the total resistance will be

(a)

Doubled

(b)

Decreases

(c)

Increases

(d)

Constant

19. The expression for the heat is

(a)

H=VIt

(b)

H=I2Rt

(c)

$H=\frac { { V }^{ 2 } }{ R } t$

(d)

all the above

20. In which one of the following heating effect the current is undesirable?

(a)

electric iron

(b)

electric motor

(c)

fuse wire

(d)

electric bulb

21. Which voice is likely to have minute frequency?

(a)

baby girl

(b)

boy

(c)

A man

(d)

A woman

22. Dogs can receive sound upto _____ kHz.

(a)

20

(b)

25

(c)

10

(d)

15

23. Sound waves do not travel through.

(a)

vaccum

(b)

solid

(c)

liquid

(d)

gases

24. The speed of sound in a medium depends upon

(a)

frequency

(b)

amplitude

(c)

wavelength

(d)

properties of the medium

25. A source emits a frequency of 1 kHz is moving toward a rest listener with a speed of 0.9 V, where V is the speed of sound wave. The frequency heard by the listener is ________.

(a)

10 Hz

(b)

0.1 Hz

(c)

100 Hz

(d)

10 kHz

26. Atomic nucleus was discovered by _______

(a)

Rutherford

(b)

Newton

(c)

Einstein

(d)

Nobel

27. Radioactive materials are kept -in thick -walled ________ containers.

(a)

aluminium

(b)

iron

(c)

brick

(d)

28. U238 is fissionable _________ neutrons.

(a)

only by fast

(b)

only by slow

(c)

both fast and slow

(d)

by thermal

29. Atom bomb explosions produce ______ waves.

(a)

gravitational

(b)

sand

(c)

shock

(d)

electric

30. BARC is situated at ________.

(a)

Trombay

(b)

Kalpakkam

(c)

Trivandrum

(d)

Thumba

31. Atoms of different elements with different atomic numbers, but same mass number are known as _________

(a)

isobars

(b)

isotopes

(c)

isotones

(d)

isomers

32. Which of the following contains maximum number of molecules?

(a)

1 g of N2

(b)

1 g of CO2

(c)

1 g of H2

(d)

1g of O2

33. The number of molecules in 16.0 g of oxygen is:

(a)

6.023 x 1023

(b)

6.023 x 10-23

(c)

3.01 X 10-23

(d)

3.0115 x 1023

34. Which of the following contains the largest number of molecules?

(a)

0.2 mol H2

(b)

8.0 g H2

(c)

17 g of H2O

(d)

6.0 g of CO2

35. The total number of atoms represented by the compound CuSO4. 5H2O is

(a)

27

(b)

21

(c)

5

(d)

8

36. The number of neutrons in 8O16 is ________

(a)

8

(b)

16

(c)

32

(d)

24

37. Arrange the following in the increasing order of the size. Cl-, Cl, Cl+

(a)

Cl- < Cl+ < Cl

(b)

Cl4 < Cl- < Cl+

(c)

Cl+ < Cl < Cl-

(d)

Cl+ < Cl < Cl-

38. The process of extracting the ore from the earth's crust is ____________

(a)

Metallurgy

(b)

Mining

(c)

Smelting

(d)

Leaching

39. Metals are ______________

(a)

Electro positive

(b)

Electronegative

(c)

both (a) and (b)

(d)

neither (a) nor (b)

40. The chief ore of copper is ________

(a)

Copper pyrites

(b)

Copper glance

(c)

Cyprite

(d)

Rupy copper

41. Hygroscopic substances are used as __________ agents.

(a)

oxidizing

(b)

reducing

(c)

decarbocyleting

(d)

drying

42. Salt solution containing common salt in water is an example for _____________

(a)

binary solution

(b)

trinary solution

(c)

suspension

(d)

colloidal solution

43. Which of the following is a saturated solution?

(a)

5g NaCI in 100g water

(b)

109 NaCI in 100g water

(c)

20g NaCI in 100g water

(d)

36g NaCI in 100g water

44. Solubility of CO2 gas in water ___________ with the increase in pressure.

(a)

increases

(b)

decreases

(c)

remains constant

(d)

None of these

45. Which of the following is a dehydrating agent (absorbs moistone)

(a)

sodium hydroxide

(b)

anhydrous calcium chloride

(c)

sugar

(d)

None of these

46. The reaction between hydrogen and oxygen gas to form water is __________________

(a)

combination

(b)

redox

(c)

exothermic

(d)

all of these

47. Which among the following chemical reaction is an example of combination reaction?
(i) H2(g)+ CI2(g) ⟶ 2HCI(g)
(ii) AnOH(aq) + HCl(aq) ⟶ NaCl(aq) + H2O(1)
(iii)2Mg(S)+ O2(g) ⟶ 2MgO(S)
(iv) Zn(S)+ 2HCI(aq) ⟶ ZnCl2 + H2(g)

(a)

only (i)

(b)

both (i) and (iii)

(c)

only (iii)

(d)

both (i) and (ii)

48. Decomposition reactions are brought about by ________

(a)

heat

(b)

light

(c)

electricity

(d)

all the above

49. When Zinc metal is placed in hydrochloric acid, the gas evolved is _________________

(a)

CO

(b)

CO2

(c)

H2

(d)

H2O

50. Heat is evolved during __________ reaction.

(a)

Combination

(b)

Combustion

(c)

Decomposition

(d)

Endothermic

51. Ethene is an ___________

(a)

alkane

(b)

alkene

(c)

alkyze

(d)

armatic hydrocarbon

52. Methylene group is

(a)

CH4

(b)

- CH3

(c)

- CH2 -

(d)

- CH -

53. Identify the product formed when ethanol reacts with sodium

(a)

Sodium acetate

(b)

Sodium ethanate

(c)

Sodium ethoxide

(d)

Sodium formate

54. The organic acid present in Vinegar is ___________ acid.

(a)

methanoic

(b)

ethanoic

(c)

Propanoic

(d)

Butanoic

55. The sodium salt of long chain fatty acid which helps in cleaning of clothes is ________________

(a)

vinegar

(b)

detergent

(c)

soap

(d)

both (b) and (c)

56. Amphivasal bundle belongs to ___________ type of vascular, bundle.

(a)

concentric

(b)

collateral

(c)

conjoint

(d)

57. Respiratory quotient for aerobic respiration is ____________

(a)

2

(b)

infinity

(c)

1

(d)

0

58. __________ help in absorption of water and minerals.

(a)

Root hairs

(b)

Stomata

(c)

Epidermis

(d)

Trichomes

59. Name the tissue present between the upper and lower epidermis.

(a)

Lower epidermis tissue

(b)

Pith

(c)

Upper epidermis tissue

(d)

Mesophyll

60. Chloroplasts are ___________ shaped organelles.

(a)

disc

(b)

round

(c)

oval

(d)

circle

61. Leeches have ___________

(a)

heart

(b)

lungs

(c)

true blood vessels

(d)

excretory organs

62. The urinogenital canal of female rabbit is formed by union of_________

(a)

urethra and vagina

(b)

(c)

(d)

63. The_______ glands are modified glands of the skin

(a)

perineal

(b)

mammary

(c)

gastric

(d)

salivary

64. The opening of pulmonary arch into right ventricle of rabbit is guarded by_________ semilunar valves.

(a)

2

(b)

4

(c)

3

(d)

1

65. Each kidney is made up of several___________

(a)

mascula

(b)

nephrons

(c)

cortex

(d)

epididymis

66. Persons with __________blood group can receive blood from 'AB' group individuals

(a)

'A' only

(b)

Bonly

(c)

AB and 0

(d)

A, B,AB and 0

67. The life span of platelets is_________

(a)

3 weeks

(b)

1 month

(c)

2-3 days

(d)

40 days

68. _______is not a feature of veins.

(a)

Red in colour

(b)

Non-elastic walls

(c)

Lack internal valves

(d)

Blood flow with low pressure

69. Angiology is the study of_________

(a)

heart

(b)

heart attack

(c)

blood vessels

(d)

diseases of blood

70. Absorption of water by modern frames of windows in rainy reason is an example of________

(a)

diffusion

(b)

osmosis

(c)

imbibitio

(d)

ranspiration

71. ______ carry impulses from the sense organ to the central nervous system.

(a)

unipolar neurons

(b)

efferent neurons

(c)

motor neurons

(d)

sensory neurons

72. ______ is the largest portion nearly two - third of the brain.

(a)

Thalamus

(b)

Cerebrum

(c)

Diencephalon

(d)

Cerebellum

73. ______ acts as a relay centre.

(a)

Thalamus

(b)

Hypothalamus

(c)

Cerebrum

(d)

Cerebellum

74. _____ second largest part of the brain formed of two large sized hemispheres.

(a)

Cerebellum

(b)

Cerebrum

(c)

Thalamus

(d)

Diencephalon

75. _____ carry command from spinal cord to our arm.

(a)

Motor neurons

(b)

Sensory neurons

(c)

Unipolar neurons

(d)

Afferent neurons

76. The term Auxin was introduced by _____

(a)

Went

(b)

Kogi

(c)

Charles Darwin

(d)

Kurosawa

77. ______ is not a function of thyroid.

(a)

BMR

(b)

Body temperature

(c)

Carbo hydratemetabolism

(d)

Anti-allergic

78. Premature shedding is caused by ______

(a)

auxin

(b)

ethylene

(c)

ABA

(d)

gibberellin

79. _____ promotes the ripening of fruits.

(a)

Auxin

(b)

Abscisic Acid

(c)

Ethylene

(d)

Cytokinin

80. The mineralocorticoids secreted by Zona glomerulosa is ______

(a)

aldosterone

(b)

testosterone

(c)

estrogen

(d)

progesterone

81. Fragmentation is seen in_________

(a)

Spirogyra

(b)

Bryophyllum

(c)

Yeast

(d)

Hydra

82. Regeneration is seen in_____

(a)

Plasmodium

(b)

Spirogyra

(c)

Hydra

(d)

Amoeba

83. Each stamen consists of a small bag like structure called_______

(a)

Anther

(b)

Filament

(c)

Pollengrain

(d)

Germpore

84. Theejection of milk is stimulated byposterior pituitary hormone called_____

(a)

Prolactin

(b)

Insulin

(c)

Oxytocin

(d)

Estrogen

85. Breaking of the filament into many fragments is called_____________

(a)

Fission

(b)

Fragmentation

(c)

Budding

(d)

Regeneratio

86. v shaped chromosomes are called_______

(a)

metacentric

(b)

acrocentric

(c)

submetacentric

(d)

telocentric

87. The haploid condition in a human cell refers to________ chromosomes

(a)

44

(b)

23

(c)

46

(d)

22

88. ______is not a nitrogenous base.

(a)

(b)

Thymine

(c)

Leucine

(d)

Cytosine

89. In human,each cell normally consists _________of chromosomes.

(a)

23 pairs

(b)

22 pairs

(c)

20 pairs

(d)

12 pairs

90. Hydrogen bonds between the nitrogeneous bases make the DNA molecule________

(a)

unstable

(b)

stable

(c)

unbalanced

(d)

disturbed

91. The idea of Chemical Evolution of life was developed by_______

(a)

Haldane and Oparin

(b)

Pasteur

(c)

Libby

(d)

Leonardo da vinci

92. _________ is called the Father of Palaeontology.

(a)

Pasteur

(b)

Birbal sahani

(c)

Haeckel

(d)

Leonardo da vinci

93. The Father of Paleobotany / Founder of Modern Paleobotany is _______

(a)

Leonardo da Vinci

(b)

Sternberg

(c)

Haldane

(d)

Sahani

94. Paleobotany is derived from Greek words Paleon that means _________.

(a)

old

(b)

new

(c)

past

(d)

aged

95. Radioactive Carbon (C14) dating method was discovered by_________

(a)

w. F.Libby

(b)

Niels Bohr

(c)

Issac Newton

(d)

William Harvey

96. The rice variety peta was from __________

(a)

China

(b)

Mexico

(c)

Indonesia

(d)

India

97. Pusa snowball is a disease resistant variety of________.

(a)

cowpea

(b)

cauliflower

(c)

wheat

(d)

rice

98. Pusa sawani is a insect resistant variety of __________

(a)

cowpea

(b)

flat bean

(c)

(d)

brassica

99. Blood dotting factors produced by biotechnology helps patients suffering from__________.

(a)

haemophilia

(b)

homeostasis

(c)

cerebral palsy

(d)

CHD

100. In human beings, _________ of the DNA base sequences are the same and this is called as bulk genomic DNA.

(a)

99%

(b)

50%

(c)

90%

(d)

70%

101. ______________ is a symptom of CHD.

(a)

Glycosuria

(b)

Ischemia

(c)

Hyperglycemia

(d)

Polyphagia

102. ____________ help reduce blood sugar levels.

(a)

Sweet potato

(b)

Tomato

(c)

Beetroot

(d)

Cane sugar

103. ____________ is not a symptom of AIDS.

(a)

Increase in number of WBC

(b)

Lack of appetite

(c)

Weight loss

(d)

Swelling of lymph nodes

104. Obesity is not a risk factor for ___________

(a)

AIDS

(b)

diabetes

(c)

arthritis

(d)

CHD

105. Sexually abused children show symptoms of ______________

(a)

frequent urinary infection

(b)

(c)

(d)

migraine

106. The Chipko movement originated in_________

(a)

(b)

Uttarakhand

(c)

(d)

107. There are______ biosphere reserves in India.

(a)

5

(b)

13

(c)

15

(d)

18

108. Choose the word not applicable to fossil fuels

(a)

Hydrocarbons

(b)

Decomposition

(c)

Natural process

(d)

Inexhaustible

109. __________is not obtained from petroleum.

(a)

Biogas

(b)

Diesel

(c)

Gasoline

(d)

LPG

110. Water is denser than air and therefore can generate electricity at________than wind turbines.

(a)

lower speeds

(b)

high speeds

(c)

very low speeds

(d)

very high speeds

111. The output of any application is commonly known as______

(a)

File

(b)

Folder

(c)

Disk

(d)

Output

112. Notes can be collected, edited and printed using______

(a)

Paint

(b)

Scratch

(c)

(d)

LINUX

113. Tocreate animations, cartoons and games easilywecan use_________

(a)

Paint

(b)

(c)

LINUX

(d)

Scratch

114. In Scratch, the characters are known as_________

(a)

Sprite

(b)

Stage

(c)

Element

(d)

Script

115. The device which helps in explaining the concepts easily through pictures is________

(a)

Visible Communication Device

(b)

Visible Cinema Device

(c)

Visual Cinema Device

(d)

Visual Communication Device

116. Part B

94 x 1 = 94
117. If the body behaves contrary to their own natural state is called _______.

()

violent motion

118. The product of mass &velocity of a moving body is _____

()

momentum

119. When a force of 1 N acts on a mass of 1 kg that is forced to move, the object moves with _____

()

an acceleration of 1 ms-2

120. The moment of a couple is the product of ______ and perpendicular distance between the forces.

()

force

121. When a person falls freely under the action of gravity has ______

()

zero weight

122. Refractive index of a medium is dependent on ______ of the light.

()

wavelength

123. The magnification is _____ than 1, then the image obtained is diminished

()

less

124. ______ tough membrane protects the internal parts of the eye.

()

sclera

125. To increase the focal length, the ciliary muscle ______

()

relaxes

126. According to optical property, telescope is classified into ______ and ______

()

Refracting telescope, Reflecting telescope

127. The average kinetic energy of the molecules of a substance is called ____

()

Temperature

128. The SI unit of temperature is ______

()

kelvin

129. Temperature is an indication of the _____ of molecules.

()

average kinetic energy

130. Transfer of heat energy from low temperature to high temperature object is called _____

()

cooling

131. Change in dimension due to raise in temperature is called _____

()

thermal expansion

132. The purpose of a rheostat is __________.

()

to vary the magnitude of current

133. Nichrome is an alloy of _________ and __________.

()

Nickel, chromium

134. The graph between V and 1 is ________ for a conductor

()

straight line

135. The reciprocal of resistance is ________

()

conductance

136. ________ is represented by joule / coulomb

()

Potential difference

137. High and low pressure regions of longitudinal wave is called _______ and ________.

()

compression and rarefaction

138. Number of vibrations produced in one second is __________ of the wave.

()

frequency

139. The speed of sound is inversely proportional to ________.

()

square root of density

140. The loudness of normal human voice is _______.

()

60 dB

141. The minimum distance required to hear an echo is 1/2oth part of the magnitude of velocity of sound in air, if the velocity of sound is ________ then the minimum distance required to hear an echo is 17.2m.

()

344 ms-1

142. When an ∝ - particle is emitted, a new atomic nuclei is formed whose ________.

()

atomic number decreases by two and mass number decreases by four

143. The radioactive isotope used to diagnose anaemia is  __________

()

Fe59

144. The process in which nucleus of one element is converted into nucleus of another element is  __________.

()

nuclear reaction

145. The mass of the fissile material at the critical size is called ________

()

critical mass

146. 1 eV is equal to _______.

()

1.6 x 10-19J

147. ___________ is the smallest indivisible entity of matter.

()

Atom

148. Isotopes differ in

()

atomic mass or number of neutrons

149. Sub atomic particles are ___________

()

protons, neutrons, and electrons

150. Sulphonic acid is a ___________

()

hetero poly atomic molecule

151. The value of STP is ___________

()

273.15K & 1 atm

152. Horizontal rows in periodic table are called ________

()

Periods

153. The anion is _______________ than its neutral atom

()

larger

154. Unit of iozisation energy is __________

()

KJ / mol

155. Ionization energy ____________ along the period and _________ down the group in periodic table.

()

increases, decreases]

156. The black oxide of copper is ______________

()

CuO (Copper (II) Oxide)]

157. The effectof pressure on the solubility of a gas in liquid is given by ____________

()

Henry's law

158. Magnesium sulphate heptahydrate is called _____________

()

epsom salt

159. Caustic potash is an example of _________ substance.

()

deliquescent

160. The substance present in lesser amount, in a solution is called ___________

()

solute

161. Give an example for solid in gas? _____________

()

smoke

162. The pH value of milk of magnesia is 10. It is ____________ in nature.

()

basic

163. The chemical reactions which takes place with the evolution of heat energy are called ____________ reaction.

()

exothermic

164. pH oflemon juice is ____

()

2

165. pH of an acidic solution is ____________

()

<7

166. The reaction that cannot be reversed is called _____________

()

irreversible reaction

167. The simplest alkane is _______________ CH4.

()

methane

168. Theprincipal source of butyric acid is _______

()

butter

169. Ethanol is manufactured by the fermentation of ___________________

()

molasses

170. The gas formed during the decarboxylation of sodium salt of ethanoic acid is ___________

()

methane

171. Sodium salts of fatty acids are known as _____________

()

hard soaps

172. The band like thickenings found in endodermis of dicot root are called ______________

()

casparian strips

173. Light reaction is also called __________

()

Hill reaction

174. Cellular respiration is a ______________ process.

()

biochemical

175. ______ is the first step in aerobic and anaerobic respiration.

()

glycolysis

176. TCA cycle is also known as __________

()

krebs cycle

177. All the four channels of circulatory system are connected together in_________ segment of leech.

()

26th

178. The sub pharyngeal ganglion in leech is formed by fusion of ________pairs of ganglia

()

four

179. In rabbit the testis consists of_________

()

seminiferous tubules

180. Lungs are covered by a membrane called________

()

pleura

181. In leeches each segment beav a number of projections called _________

()

.receptors

182. A mature RBC lacks a____________

()

nucleus

183. The______ among the leucocytes produce antibodies during infection.

()

lymphocytes

184. _________is a passive process

()

Diffusion

185. In______movement water occurs through thecytoplasm of cells.

()

symplastic

186. Elements like________ are not remobilised in the plant

()

calcium

187. The cytoplasm of a neuron has granular bodies called ______

()

nissl's granules

188. The afferent neurons are called _____

()

sensory neurons

189. The innermost membrane of the meninges is ______

()

piamater

190. The posterior most region of spinal cord tapers to form ________

()

filum terminale

191. Acquired reflexes are called ________

()

conditioned reflexes

192. _____ is the cytokinin got form maize (Zea mays).

()

Zeatin

193. _____ are more efficient than auxins in promotting parthenocarpy.

()

Gibberellin

194. ______ is known as the Father of Endocrinology.

()

195. Lack of skeletal development caused due to thyroid dysfunction is called ______

()

Cretinism

196. ______ hormone increases blood glucose levels.

()

Glucagon

197. Autogamy refers to________

()

self pollination

198. The LH hormone is at a peak during _________phase of menstrual cycle

()

ovulatory

199. The term mutation was coined by________

()

Hugo De Vries

200. Adenine and Guanine are called_______

()

purines

201. Discontinuous variation form the basis for mutation theory proposed by_________.

()

De vries

202. __________ arises due to errors occurring in DNA.

()

Mutation

203. TV - 29 is a ________ variety of tea.

()

triploid

204. Hybrid DNA got by genetic engineering is called ________.

()

rDNA / recombinant DNA

205. HIV belongs to a group of viruses called ___________

()

retroviruses

206. HIV attacks the ____________ of the body.

()

lymphocytes

207. The word 'Forest' is derived from the latin word_________

()

Foris

208. The number of basins that India has identified for shale gas exploration is_______

()

six

209. The characters on the background of a scratch window is known as_________

()

sprite

210. We can change the background colour by____________

()

stage

211. Part C

94 x 1 = 94
212. Dynamics

213. (1)

$\frac{W}{Q}$

214. Natural motion

215. (2)

Atria

216. Acceleration due to gravity

217. (3)

CaSO4·2H2O

218. Universal gravitational constant

219. (4)

Insulator

220. rn x a

221. (5)

0.5 % - 1.0%

222. Object which give out light

223. (6)

Heavy water

224. Blue colour of the sea

225. (7)

746 watt

226. Myopia

227. (8)

Solvent

228. Between F1 and 2F2

229. (9)

intensity

230. Compound Microscope

231. (10)

600R

233. (11)

Liquid sodium

234. Linear expansion

235. (12)

Pump

236. Transmission of heat

237. (13)

Hydrochloric acid

238. Coefficient of expansion

239. (14)

hydrocarbon

240. mass of substance

241. (15)

Spinal nerves

242. Potential difference

243. (16)

Synaptic knob

244. Direction of current

245. (17)

short sightednes

246. LED

247. (18)

Mechanical strength

248. James P. Mitchell

249. (19)

Nuclear transfer

250. one horse power

251. (20)

Furan

252. loudness

253. (21)

ester

254. Mega phone

255. (22)

Tetraploidy

256. Listener moves away from stationary listener

257. (23)

258. Infrasonic

259. (24)

Rice

260. Architectural acoustician

261. (25)

Haemocoelic fluid

262. Moderator

263. (26)

Papillae

264. Coolant

265. (27)

Amalgam

266. Control rod

267. (28)

Dependent

268. Dosimeter

269. (29)

convection

270. Leukemia

271. (30)

Boron

272. Diatomic

273. (31)

Milk

274. Isotones

275. (32)

Change in length

276. 224 lit of N2

277. (33)

horn shaped device

278. 6.023 x 1022 CO2 molecules

279. (34)

Shale Gas

280. Isobars

281. (35)

ms-2

282. Nitrogen

283. (36)

10 moles

284. Copper

285. (37)

286. Steel

287. (38)

Force acting on moving bodies

288. Cinnabar

289. (39)

source

290. Wrought iron

291. (40)

Narcotic

292. Liquid in solid

293. (41)

Melvin Calvin

294. White vitriol

295. (42)

ZnSO4·7H2O

296. Gypsum

297. (43)

Systole

298. Liquid - Liquid

299. (44)

Sneezing

300. Water

301. (45)

Islets of Langerhans

302. Quick lime

303. (46)

It helps to absorb sodium ions from the renal tubules.

304. Slaked lime

305. (47)

force

306. Milk of magnesia

307. (48)

CaO

308. stomach

309. (49)

nuclear fusion

310. burning petrol

311. (50)

Egg

312. Hetero cyclic

313. (51)

Hydrophily

314. Alicylic

315. (52)

18Ar40,20Ca40

316. > C = O

317. (53)

0.25% - 2% carbon

318. (54)

CHD

319. Ethanol

320. (55)

Transmission cables

321. Artificial photosynthesis

322. (56)

15

323. Biosynthetic phase

324. (57)

Mutagen

325. Tissue system

326. (58)

Pictures

327. F1 particles

328. (59)

Notes

329. Sclerenchyma

330. (60)

60 % - 65%

331. Jaws

332. (61)

mole

333. Pharynx

334. (62)

Scattering of light

335. Liver

336. (63)

LED TV

337. 4 channels

338. (64)

10

339. Fallopian tube

340. (65)

same number of neutrons

341. Neutrophils

342. (66)

N m2kg-2

343. Basophils

344. (67)

ketone

345. Contraction

346. (68)

Sahani

347. Double walled sac

348. (69)

C. N. R. Rao

349. Auricle

350. (70)

V ∝ n

351. Myelin sheath

352. (71)

HgS

353. Swellings

354. (72)

355. Peripheral nervous system

356. (73)

Ocean tides

357. Spinal cord

358. (74)

Sachs

359. Basic reflex

360. (75)

Cyclo propane

361. Epinephrine

362. (76)

H2

363. Pancreas

364. (77)

Galvanometer

365. Mineralocorticoids

366. (78)

Reddish brown

367. Gibberellic acid

368. (79)

10Hz

369. Acromegaly

370. (80)

Condom

371. Barrier methods

372. (81)

Cranial nerves

373. Pollination by water

374. (82)

0.1 mole

375. Helicase

376. (83)

Replication site

377. 4n

378. (84)

Caudal vertebra

379. Vestigial organs

380. (85)

Two convex lenses

381. Paleozoic ferns

382. (86)

designs concert halls

383. Ian Wilmut

384. (87)

CH3CH2OH

385. X-rays

386. (88)

Beyond 2F2

387. Fatty substances

388. (89)

K-1

389. Pain killer

390. (90)

Pituitary

391. Small old rocks

392. (91)

Pericardium

393. Tidal energy

394. (92)

Ca (OH)2

396. (93)

Cristae

397. Paint

398. (94)

$\left( \frac { V-{ V }_{ L } }{ V } \right) n$

Part D

25 x 1 = 25
399. The process of extracting over from the earth's crust.

()

Mining.

400. The rocky impurities associated with the over.

()

Gangue.

401. The process of reducing the roasted oxide ore to metal under molten condition.

()

Smelting

402. Noble metals occurs in their state.

()

Free state

403. Corrosion can be prevented by many ways.
(a) Name the metal which is used for galvanization.
(b) What is the use of coating with paints?

()

(a) Zinc.
(b) Paint coated metal surfaces keep out air and moisture

404. Arrangement of xylem in a root

()

Exarch.

405. The Vascular bundle is radial, exarch and tetrarch in

()

Dicot root

406. Which enzyme is released by yeast during fermentation?

()

Zymase.

407. The end product of oxidative phos phorylation is

()

ATP + H2O.

408. Substance present in casparian strips.

()

Suberin.

409. How many segments are involved in formation of anterior sucker in leech?

()

First five segments

410. Tissue found below longitudinal muscles in leech

()

Botryoidal tissue

411. Dental formula of rabbit.

()

$\cfrac { 2033 }{ 1022 }$

412. Another name for birth canal

()

Vagina

413. List anyone of the Characteristic feature of Phylum Annelida.

()

Metameric segmentation.

414. Protective sheath found above myelin sheath _____

()

Neurilemma

415. Protective sheath covering.the axon.

()

Myelin sheath

416. Four rounded bodies found in mid brain.

()

417. What does the word 'pons' mean.

()

Bridge

418. Special fluid nourishing the brain.

()

Cerebrospinal fluid

419. Gaseous plant hormone or fruit ripening hormone.

()

Ethylene

420. Period of rest undergone by buds before sprouting.

()

Dormancy

421. Testis and ovary are collectively called.

()

422. Glands located on the thyroid gland.

()

Parathyroid gland

423. Endocrine cells of pancreas.

()

Islets of Langerhans