Solved UHS Past Papers

PHYSICS

Q1. When a helium atom loses an electon it becomes:
a) an alpha particle
b) proton
c) a positive helium ion
d) a negative helium ion

Q2. Beta ray emitted by a radioactive substance is:
a) an electron which was existing outside the nucleus
b) an electron which was existing inside the nucleus
c) an electron emitted by the nuclues as a result of the decay of neutron inside the nucleus
d) a pulse of electromagnetic wave

Q3. An electric charge in uniform motion produces:
 a) an electric field
 b) a magnetic field
 c) both electric and magnetic fields
 d) neither electric nor magnetic fields

Q4. What is emitted by a hot metal filament in a cathode ray tube?
 a) x-ray
 b) proton
 c) electron
 d) photon

Q5. If the mass of the bob of a pendulum is doubled its time period is:
 a) halved
 b) doubled
 c) unchanged
 d) increases four times

Q6. The centre of Newton rings is dark due to:
 a) polarization
 b) destructive inference
 c) constructive inference
 d) reflection

Q7. Which one is the most stable element on the basis of binding energy:
 a) Sn
 b) Ba
 c) Kr
 d) Fe

Q8. Resistance in RC circuit of time constant 2 seconds in 1000 Ohm. What is value of C in the circuit?
 a) 2 μ farad
 b) 20 μ farad 
 c) 200 μ farad
 d) 2000 μ farad

Q9. The Lenz's law refers to induced....
 a) emf
 b) resistance
 c) shear
 d) currents

Q10. In which of the following, output is similar to NAND gate if input A=0 and input B=1
 a) NOR
 b) XNOR
 c) XOR
 d) both b and c

Q11. For atomic hydrogen spectrum, which of the following series lies in visible region of electromagnetic spectrum?
 a) Lyman series
 b) Paschen series
 c) Balmer series
 d) Bohr series

Q12. ------ are the particles that experience strong nuclear force
 a) electrons
 b) muons
 c) neutrinos
 d) neutrons 
  

Q13. The vertical velocity of ball thrown upward --- with time.
a) decreases linearly
b) remains constant
c) doubles
d) decreases parabolically

Q14. The force required to bend the normally straight path of a particle into a circular path is call ---- force
a) travelling
b) bending
c) centrifugal
d) centripetal

Q15. A disc at rest without slipping, rolls down a hill of height (3 x 9.8)m. What is its speed in m/sec when it reaches the bottom?
a) 11.4
b) 19.6
c) 22.8
d) 9.8

Q16. Tuning of the radio is the best example of electrical ----
a) resonance
b) resistance
c) current
d) none of these

Q17. A standing wave pattern is formed when the length of string is an integral multiple of ---- wavelength.
a) triple
b) full
c) half
d) double

Q18. Which of the following lights travels the fastest in optical fibres?
a) visible light
b) invisible infra-red
c) ultra-violet
d) ordinary light

Q19. The algebraic sum of potential changes in a closed circuit is zero is Kirchhof's ----- rule.
a) first
b) second
c) third
d) none of these

Q20. In LED when an electron combines with a ---- during forward bias conduction, a photon of visible light is emitted.
a) high voltage
b) photon
c) hole
d) positron

Q21. For photons of energy greater than 1.02 MeV the probability of pair production occurence ------ as the energy increases.
a) increase
b) reduces to half
c) completely diminishes
d) remains unchanged

Q22. The neutron is assumed to be made of
a) one up quark and two down quarks
b) two up quarks and two down quarks
c) two up quarks and one down quark
d) one up quark and one down quark

Q23. An ---- missile is called a ballistic missile
a) un-powered and guided
b) un-guided and powered
c) powered and guided
d) un-powered and un-guided

Q24. Two cylinders of equal mass are made from same material. The one with the larger diameter accelerates ----- the other under the action of same torque.
a) faster than
b) slower than
c) equal to
d) none of these

Q25. The angular frequency of simple pendulum is directly proportional to ------
a) L
b) 1/L 
c) √ L
d) √ 1/L

Q26. Two waves of slightly different frequencies and traveling in same direction produce -----
a) interference
b) polarization
c) stationary waves
d) beats

Q27. A single mode step index fibre has core of about ---- μm diameter
a) 50 to 1000
b) 50
c) 30
d) 5
Q28. A 5 Ohm resistor is indicated by a single ----- color band around its body
a) red
b) green
c) blue
d) brown

Q 29. Practically ------- current flows in a reverse biased p-n junction.
a) No
b) Very ;arge
c) few milliamperes
d) both a and c

Q30. Cesium coated oxidized silver emits electrons for ------ light.
a) infra red
b) ultra violet
c) visible
d) green

Q31. The cobalt is absorbed by
a) bones
b) skin
c) liver
d) thyroid gland

Q32. In a step down transformer the output current ------
a) is reduced
b) is increased
c) remains same
d) none of these

Q33. Force in terms of base units is expressed as
a) kg ms¯²
b) kg m²s¯³
c) kg m²s¯²
d) none of these

Q 34. 100 joules work has been done by an agency in 10 seconds. What is power of agency?
a) 1000 watt
b) 100
c) 10 watt
d) 0.10 watt

Q35. The acceleration is proportional to the displacement and is directed towards mean position in ------ motion
a) gravity
b) simple harmonic
c) uniform
d) projectile

Q36. In gases the speed of sound is inversely proportional to ------ of the density when other factors are same.
a) square root
b) square
c) third power
d) third root

Q37. A watch maker uses ------- to repair the watches.
a) telescope
b) convex lens
c) convex mirror
d) concave lens

Q38. A 2m long pipe is open at both ends. What is second harmonic frequency?
a) 42.5 Hz
b) 85 Hz
c) 220 Hz
d) none of these

Q39. A wire has resistance 100 Ohm at 0⁰C and 200 Ohm at 100⁰C. What is its temperature coefficient on K-1?
a) -0.01
b) -1/273
c)  0.01
d) 1/273


Q40. The net magnetic field created by the electrons within an atom is due to the field created by their ------ motion.
a) orbital
b) spin
c) orbital & spin
d) oribital x spin


Q41. At high temperature, the proportion of --------- wavelength radiation increase
a) AM radio
b) Long radio
c) Shoter
d) Both a and c


Q42. In photoelectric effect removal of photons is observed at ------ energies
a) low
b) high
c) intermediate
d) both a and c


Q43. Which device is the most efficient?
a) nuclear reactor
b) storage battery
c) silicon solar cell
d) dry battery cell

Q44. The units of E in E=mc² are
a) kg m s ¯²
b) kg m² s¯²
c) N m s ¯²
d) both b and c

Q45.  Work done on a body equals change in its ------ energy
a) Total
b) potential
c) kinetic
d) all of these

Q46. A pipe varies uniformly in diameter from 2 m to 4 m. An incompressible fluid enters the pipe with velocity 16m/sec. What is velocity of fluid when it leaves the pipe?
a) 64 m/sec
b) 32 m/sec
c) 8 m/sec
d) 4 m/sec

Q47. Transverse waves can not be setup in ---------
a) merals
b) solids
c) fluids
d) soil

Q48. The ratio of the -------- is called magnification
a) image size to object size
b) object size to image size
c) eyepiece size to object size
d) none of thse

Q49. Which of the following has the highest resistivity?
a) germanium
b) silver
c) copper
d) platinum

Q50. An n-type semi-conductor is made by doping silicon crystal with --------
a) indium
b) aluminium
c) arsenic
d) both b and c

Q51. Objects can not be accelerated to the speed of light in free spaces is consequence of
a) mass variation
b) energy-mass relationship
c) inertia forces
d) all of these

Q52. A certain radioactive mass decays from 64 gm to 2 gm in 20 days. What is its half life?
a) 5 days
b) 4 days
c) 10 days
d) 6 days

Q53. If inductance is denoted by L and resistance by R, which of the following is true for a choke?
a) R is large, L is very small
b) R is very small, L is large
c) both R and L are large
d) both R and L are very small

Q54. A force 2i + j has moved its point of application from (2,3) to (6,5). What is work done?
a) -10
b) +10
c) -18
d) +18

Q55. The escape velocity corresponds to ------- energy gained by body, which carries it to an infinite distance from the surface of earth.
a) total
b) potential
c) initial kinetic
d) none of these

Q56. The drag force decreases as the speed of an object moving through fluid ----------
a) increases
b) decreases
c) remains constant
d) both b and c

Q57. Light year is a measure of
a) distance
b) time
c) intensity of light
d) velocity

Q58. A yellow light of wavelength 500 mm emitted by a single source passes through two narrow slits 1 mm apart. How far apart are two adjacent bright fringes when interference is observed on a screen 10 m away?
a) 5 mm
b) 1.33 mm
c) 0.5 mm
d) 50 mm

Q59. The heat produced by a current I in the wire of resistance R during time interval t is
a) I²/Rt
b) I²Rt
c) I²/R/t
d) IR²t

Q60. Which of the following is the most ductile?
a) glass
b) copper
c) cast iron
d) high carbon steel



CHEMISTRY

Q61. Which type of bonding is present in NH₄Cl
a) ionic
b) covalent
c) coordinate covalent
d) all of these

Q62. When CuSO₄ is electrolyzed in aqueous solution using copper electrode, then the substance which deposits at the cathode is:
a) copper metal
b) copper ions
c) hydrogen
d) oxygen

Q63. Aldehydes can be synthesized by the oxidation of
a) primary alcohols
b) secondary alcohols
c) organic acids
d) inorganic acids

Q64. The products of the fermentation of  a sugar are ethanol and
a) wateer
b) oxygen
c) carbon dioxide
d) sulfur dioxide

Q65. ---------- serve as carriers of heredity from one generation to the other
a) lipids
b) caeseins
c) formaldehyde
d) nucleoproteins 

Q66. --------- extraction is controlled by partition law
a) iodine
b) benzoic acid
c) solvent
d) stationary

Q67. The process of effusion is best understood by ------ law
a) Graham's
b) Charles's
c) Boyle's
d) none of those

Q68. --------has dipole moment
a) CO
b) CO₂
c) benzene
d) all of these

Q69. ----------- is used as catalyst in Haber's process for NH₃ gas manufacture
a) iron
b) carbon
c) copper
d) silver

Q70. In many of its properties ------ is quite different from the other alkalie metals
a) Li
b) Be
c) Na
d) K

Q71. Which element forms long chains alternating with oxygen?
a) carbon
b) silicon
c) nitrogen
d) all of these

Q72. The percentage of carbon in medium carbon steel is
a) 0.7 - 1.5
b) 0.1 - 0.2
c) 0.2 - 0.7
d) 1.6 - 2.00

Q73. Name the rare halogen among the following
a) F
b) Cl
c) I
d) At

Q74. Which bond will break when electrophile attacks an alcohol?
a) O - H
b) C - O
c) both a and b
d) none of these

Q75. The extent of un-saturation in a fat is expressed as its
a) acid number
b) iodine number
c) saponification number
d) none of these

Q76. The process of filtration is used to separate ---- particles from liquids.
a) radial
b) angular
c) insoluble
d) soluble 



Q77. London forces are very significant in ------------
a) sulphur
b) phosphorous
c) argon
d) sugar

Q78. Which of the following formation is endothermic reaction?
a) 2H₂ + O₂ --> 2H₂O
b) C + O₂ --> CO₂
c) N₂ + O₂ --> N₂O₂
d) none of these

Q79. Name the partially miscible liquids from the following?
a) alcohol -ether
b) nicotine - water
c) benzene water
d) both a,b

Q80. AlI₃ is electrically a -----------
a) conductor
b) non-conductor
c) semiconductor
d) none of these

Q81. The elements of IIIA to VIIIA subgroups except He are known as ------ block elements.
a) q
b) s
c) p
d) none of these

Q82. Concentrated nitric acid gives ----- when it reacts with tin.
a) Nitric oxide
b) Meta stannic acid
c) Ammonium nitrite
d) none of these

Q 83. Sulphuric acid is used to manufacture
a) HCl and HNO₃
b) H₃PO₄
c) both a and b
d) both HCl and 2COOH

Q84. Alkanes containing ------- carbon atoms are waxy solids
a) upto 4
b) 5 to 17
c) 18 or more
d) none of these


Q85. Which of the following is used to make chloral hydrate?
a) acetaldehyde
b) formaldehyde
c) none of these
d) both a and b


Q86. Ten moles of hydrogen are allowed to react with 6 moles of oxygen. How much water will be obtained from reaction on complete consumption of one gas?
a) 10 moles
b) 8 moles
c) 6 moles
d) 4 moles


Q87. The highest temperature a substance exist as ---- is called its critical temperature.
a) solid
b) liquid
c) gas
d) isotope


Q88. ----- hybridization leads to a regular tetrahedral structure
a) sp³
b) sp²
c) sp
d) all of these


Q89. Osmotic pressure of a solution is ------- property
a) Obligative
b) Fractional
c) Colligative
d) Automated


Q90. Magnesium reacts with hydrogen at high pressure in the presence of catalyst ---- forming magnesium hydride.
a) dolomite
b) MgI₂
c) Mg₃N₂
d) epsom salt

Q91. Which metal is commonly used to remove air bubbles from molten metals?
a) aluminium 
b) copper
c) sodium
d) calcium

Q92. With increase in number of unpaired electrons, paramagnetism
a) increases
b) decreases
c) remains constant
d) decreases then increases

Q93. Which element has the largest number of allotropic forms?
a) phosphorous
b) sulphur
c) oxygen
d) both a & c   




Q94. Which of the following bonds has minimum bond energy?
a) C-F
b) C-Cl
c) C-I
d) C-Br

Q95. Which of the following does not react with water?
a) Li
b) Na
c) Mg
d) Be

Q96. Al₂O₃(SiO₂).2H₂O is called
a) clay
b) talc
c) asbestos
d) none of these


Q97. CaO forms fertilize slag by reacting with
a) Pe₂O₅
b) Fe₂O₃
c) silica
d) FeO

Q98. ----------- is colorless volatile liquid at room temperature
a) HCl
b) HF
c) HI
d) HBr

Q99. Hydrogen passed through phenol at 150°C in the presence of ----- catalyst gives cyclohexanol..
a) Tin
b) Nickel
c) Iron
d) Sodium

Q100. Ethanol - water is ------ mixture
a) azeotropic
b) ideal
c) benedict's
d) aliphatic

Q101. The mobile phase in paper chromatography is usually
a) an organic liquid
b) sulphuric acid
c) water
d) silver nitrate

Q102. The amount of heat absorbed by one mole of solid at 1 atm when it melts into liquid form is denoted by -----
a) ΔH v
b) ΔH f
c) ΔH i
d) ΔH s

Q103. In synthetic fibres ----- bonding is responsible for tensile strength
a) Nitrogen
b) Hydrogen
c) Oxygen
d) None

Q104. Boiling point of HF is ----- H₂O
a) Lower than
b) Higher than
c) Equal to
d) Almost same as

Q105. ------- is necessary for development of leaves and it tends to accumulate in leaves and bark
a) NO₂
b) Calcium
c) Gypsum
d) Nitrogen

Q106. Which of the following is pale yellow to reddish yellow in color?
a) Pb₂O
b) PbO₂
c) PbO
d) 2PbCO₃.Pb(OH)₂

Q107. In which of the following carbon is double bonded with itself?
a) alkane
b) ether
c) alkene
d) alkyne

Q108. In this process higher hydrocarbons can be cracked at lower temperature and lower pressure.
a) thermal cracking
b) catalytic cracking
c) steam cracking
d) reforming

Q109. Acetic acid is called ----- acid
a) Methanoic
b) Propanoic
c) Ethanoic
d) Butanoic

Q110. Na may be denoted by ------- electron configuration notation
a) 1s²2s¹
b) [Ar]4s¹
c) [Ne] 3s¹
d) None of these     



   


Q111. Which is the best drying agent in desiccators?
a) KOH
b) gypsum
c) CaCl₂
d) silica sand

Q112. 100 m3 of a gas at 3 atm pressure and 27°C is transferred to a chamber of 300 m³ volume maintained at a temperature of 327°C. What will be the pressure in chamber?
a) 6 atm
b) 4 atm
c) 2 atm
d) 1 atm

Q113. The crystals of ----- are ionic solids
a) sugar
b) iron
c) diamond
d) NaCl

Q114. Which material possesses the highest pH?
a) soft drinks
b) bananas
c) milk of magnesia
d) sea water

Q115. The electron present in a particular orbit -------energy
a) releases
b) does not radiate
c) absorbs
d) none of these

Q116. Al₂F₂SiO₄ is named as
a) gibbsite
b) emerald
c) bauxite
d) cryolite


Q117. Name the oxide in which N has the highest oxidation number
a) nitrous oxide
b) nitric oxide
c) nitrogen peroxide
d) nitrous anhydride


Q118. Sulphur has oxidation state of --------
a) + 2 
b) + 4 and + 6
c) none of these
d) both a and b


Q119. CH₃-O-CH₃ is example of ----- isomerism
a) metamerism
b) functional group
c) chain
d) position


Q120. ---------- are product of reaction of an alcohol and aromatic bi-functional acids
a) acrylic resins
b) polyester resins
c) PVCs
d) polyaride resin

 ENGLISH

Q121. He was ----- of all valuable possessions
a) robbed
b) stolen
c) pinched
d) established

Q122. The presence of armed guards ------- us from doing anything disruptive
a) defeated
b) excited
c) irritated
d) prevented

Q123. Our flight was -------- from Lahore to Islamabad airport
a) diverted
b) reflected
c) deflected
d) shifted

Q124. I am ------- forward to our picnic scheduled in next month
a) looking
b) planning
c) seeling
d) going
 



Q137.
a) A day later he reached his first glimpse of Lahore.
b) A day later he took his first glimpse of Lahore.
c) A day later he found his first glimpse of Lahore.
d) A day later he caught his first glimpse of Lahore.

Q138.
a) This will have a bad impact to the economy
b) This will have a bad impact on the economy
c) This will have a bad impact at the economy
d) This will have a bad impact over the economy

Q139.
a) It would save him from dying of thirst
b) It would save him from dying from thirst
c) It would save him from dying with thirst
d) It would save him from dying by thirst

Q140.
a) All this flashed by his mind in an instant of protest
b) All this flashed on his mind in an instant of protest
c) All this flashed through his mind in an instant of protest
d) All this flashed by off his mind in an instant of protest


In each of the following question, four alternative meanings of a word are given. You have to select the NEAREST CORRECT MEANING of the given word and fill the appropriate bubble / circle on the MCQ response form

Q141. Vexing
a) annoying
b) aggressive
c) viable
d) waxy

Q142. Vague
a) respectful
b) uncertain
c) warlock
d) snow white

Q143. Mangled
a) dodged
b) grained
c) indisputable
d) damaged

Q144. Prodigious
a) productive
b) enormous
c) prudential
d) waddle

Q145. Astounded
a) shocked
b) discarded
c) assured
d) attracted

Q146. Sagacity
a) foolishness
b) large city
c) onions
d) wisdom

Q147. Grim
a) gratis
b) restless
c) severe
d) grater

Q148. Indolently
a) lazily
b) indecently
c) ideally
d) gaily

Q149. Perish
a) furious
b) come to death
c) secret
d) frustrated

Q150. Doze
a) dogged
b) diet
c) sleep
d) medicine to be taken



BIOLOGY
Q151. Which of the following receptors produce sensation of pain?
a) mechanoreceptors
b) nociceptors
c) chemoreceptors
d) thermoreceptors

Q152. When you finger accidentally gets caught in a door, the pain message is sent to your brain through __________ . 
a) Homeostasis
b) sensory receptors
c) caffeine
d) the medulla

Q153. Neck has ______ type of joint
a) ball and socket
b) pivot
c) hinge
d) fibrous

Q154. End product of hemoglobin break down is:
a) creatinine
b) bilirubin
c) hypoxanthin
d) xanthin

Q155. In what direction can a DNA polymerase work when catalyzing the addition of nucleotide monomers to build a strand of DNA?
a) from the 5' toward the 3' end of the new strand being assembled
b) from the replication centers in two directions called replication forks
c) from the 3' to the 5' end of the strand being assembled
d) in both directions if DNA ligase is present

Q156.Which bond is the potential source of chemical energy for cellular activities
a) C-N
b) C-O
c) C-H
d) H-O

Q157. Sharks and rays are included in class
a) cyclostomata
b) chondrichthyes
c) osteichthyes
d) tetrapods

Q158. In what stage of aerobic respiration are 2-carbon molecules oxidized completely to carbon dioxide?
a) Glycolysis
b) ETC
c) Kreb cycle
d) Calvin cycle

Q159. Which of the following does not have specialized respiratory organs?
a) Hydra
b) Birds
c) Cockroach
d) Both a and b


Q160. Humming birds belong to the category
a) Heterotherms
b) Endotherms
c) Ectotherms
d) none of these


Q161. Syphilis is caused by
a) Neisseria gonorrhoeae
b) Catsworm
c) Treponema pallidum
d) Herpes simplex


Q162. In moths male is _____
a) Heterogametic
b) Homogametic
c) Dieogametic
d) both b and c


Q163. When carbon dioxide pressure increases the capacity of hemoglobin to hold oxygen ______
a) increases many fold
b) decreases
c) remains constant
d) is doubled


Q164. The soluble part of cytoplasm is termed as
a) cisternae
b) cytosol
c) endocytosis
d) both a and b


Q165. Name the enveloped RNA virus that causes infusion hepatitis
a) HBV
b) HAV
c) HCV
d) none of these


Q166. In general asexual reproduction is common in
a) humans
b) basidiomycota
c) deuteromycota
d) basidiospores






Q167. Name the vertebrates which are without jaws
a) osteichthyes
b) cyclostomata
c) chondrichthyes
d) none of these

Q168. The total inside capacity of lungs of adult human beings when fully inflated is
a) 5 ml
b) 50 ml
c) 500 ml
d) 5000 ml

Q169. Which of the following belong to collenchyma cells?
a) fibers
b) vessels
c) sclereides
d) none of these

Q170. Which of the following promotes both leaf and fruit growths?
a) auxins
b) gibberelllins
c) abscisic acid
d) ethane

Q171. Name the external factor of growth in plants
a) carbon dioxide
b) water
c) hormones
d) nutrition

Q172. The genes of blue opsin is present on
a) autosome 9
b) autosome 7
c) autosome 1
d) autosome 3

Q173. The dew drops on tips of grass leaves is an example of
a) infestation
b) bleeding
c) exudation
d) imbibition

Q174. Which of the following modifies proteins and lipids by adding carbohydrates
a) golgi apparatus
b) polysome
c) plasma membrane
d) none of these

Q175. Which of the following are spiral-shaped bacteria?
a) cocci
b) bacilli
c) pseudomonas
d) vibrio

Q176. Which of the following is used for lowering blood cholesterol?
a) neurospora
b) griseofulvin
c) aspergillus
d) lovastatin

Q177. Which of the following are called placental mammals?
a) prototheria
b) eutheria
c) metatheria
d) all of these

Q178. The attraction among water molecules which hold water together is called
a) tension
b) adhesion
c) cohesion
d) ambibition

Q179. Pick the paratonic movement from the following
a) nastic
b) turgor
c) growth
d) tactic

Q180. Which of the following controls several automatic functions like breathing, heart rate and blood pressure?
a) midbrain
b) pons
c) medulla
d) cerebellum

Q181. Which of the following has 40 chromosomes?
a) corn
b) sugarcane
c) frog
d) mouse

Q182. The cell suspension culture of ______ produces quinine
a) soybean
b) cinchona ledgeriana
c) digitalis lanata
d) luceferin

Q183. Which one of the following is most slender in structure?
a) microtubules
b) micro filaments
c) intermediate filaments
d) both a and b

Q184. Name the human tissues that contain about 85% water
a) nerve cells
b) bone cells
c) brain cells
d) none of these



Q185. Which of the following are colorless?
a) chloroplasts
b) chromoplasts
c) leucoplasts
d) none of these

Q186 Name the one involved in DNA replication
a) cysts
b) mesosomes
c) ribosomes
d) spores

Q187. Which of the following has rootless sporophytes?
a) Psilopsida
b) Tracheophyta
c) Lycopsida
d) Sphenopsida

Q188. Chlorophylls absorb mainly _______ wave length
a) yellow
b) green
c) violet-blue
d) indigo

Q189. _____ did not have the adaptations to remove the flooding of their cells in fresh water
a) both b , d
b) hydrophytes
c) none of b, d
d) xerophytes

Q190. Which of the following is made up of bones and cartilage?
a) endoskeleton
b) exoskeleton
c) hydrostatic skeleton
d) both a and b

Q191. This disease is characterized by the decline in brain function
a) Alzheimer's disease
b) Parkinson's disease
c) Epilepsy
d) None of these

Q192. Prophase, metaphase and telophase are subdivisions of
a) mitosis
b) karyokinesis
c) cytokinesis
d) none of these

Q193.  ______ organs are functionally different but structurally alike
a) analogous
b) unilogous
c) homologous
d) hypologous

Q194. Which of the following gives blue color with iodine
a) starch
b) cellulose
c) glycogen
d) all of these

Q195. Herpes simplex is caused by _______ virus
a) enveloped RNA
b) RNA tumor
c) glycogen
d) both b and c

Q196. Name the cynobacteria which are helpful in fixing atmospheric nitrogen
a) heterocytes
b) nostoc
c) akinetes
d) hormogonia

Q197. Name the class that contains seedless plants
a) angiospermae
b) gymnosperm
c) paraphsys
d) filicineae

Q198. Which form of anaerobic respiration occurs in muscle cell of humans and other animals during extreme physical activities?
a) alcoholic fermentation
b) lactic acid fermentation
c) glycolysis
d) pyruvic acid oxidation

Q199. How much water approximately is required to excrete 1kg of ammonia nitrogen?
a) 500 ml
b) 5 litre
c) 300 litre
d) 500 litre

Q200. Which disease causes immobility and fusion of vertebral joint?
a) sciatica
b) spondylosis
c) disc skip
d) rickets

Q201. Which hormone continues to promote protein synthesis throughout the body even after the cease in growth?
a) TSH
b) ADH
c) ACTH
d) STH

Q202. Position of a gene on the chromosome is called its
a) phenotype
b) locus
c) junction
d) genotype