Paper I – Science
Q.1 Why are viruses referred to as obligate Parasite? A. They cannot reproduce outside of a host cell. B. Virus DNA always inserts itself into host DNA. C. The protein is the best cytoplasm. D. The enzymes carried by the virus. Chosen Option: A
Q.2 The waves produced on the earth’s surface is called: A. Ocean wave B. Seismic wave C. Sound wave D. Electromagnetic wave Chosen Option: B
Q.3 Which of the following is not a herbicide? A. 2,4D B. DCMU C. VAM D. Agent orange Chosen Option: D
Q.4 A rectangular block 2m long, 1m wide and 1m deep, floats in water. The depth of immersion is 0.5m. If water weights 10KN/m³. The weight of the block is- A. 5 KN B. 20 KN C. 15 KN D. 10 KN Chosen Option: A
Q.5 If the current I through a resistor is increased by 100% (assume that temperature remains constant), the increase in Power dissipated will be:- A. 1 B. 2 C. 3 D. 4 Chosen Option: B
Q.6 Which of the following compound is most acidic? A. Cl₂O₇ B. P₄O₁₀ C. SO₃ D. B₂O₃ Chosen Option: C
Q.7 Any change in environment to which an organism responds is called. A. Stimulus B. Co-ordination C. response D. hormone Chosen Option: C
Q.8 The least resistance obtained by using 2 Ω, 4 Ω, 1 Ω and 100 Ω is A. < 100 Ω B. < 4 Ω C. < 1 Ω D. > 2 Ω Chosen Option: D
Q.9 The difference between maximum and minimum resistance that can be obtained by connecting three resistances of 1/3 Ω each is: A. 8/9 Ω B. 1 Ω C. 1/9 Ω D. 2/3 Ω Chosen Option: B
Q.10 The mass number A is given by ______ (Z is atomic number and N is number of neutrons) A. A = Z – N B. A = Z + N C. A = N – Z D. A = 2 (Z + N) Chosen Option: B
Q.11 Identify the set of micronutrients (nutrients required by plants in small quantities): A. Copper, Phosphorous, Calcium B. Sulphur, Aluminium, Chlorine C. Zinc, Iron, Manganese D. Potassium, Magnesium, Copper Chosen Option: B
Q.12 Seed dispersal may be said to help the plants in all of the following except: A. avoid competition for sunlight, water and minerals B. invade new habitats C. produce new varieties D. over crowding Chosen Option: D
Q.13 What is the state of refrigerant when it enters into the evaporator? A. High Pressure, low temperature B. Low Pressure, Medium temperature C. Low Pressure, low temperature D. Medium Pressure, Low temperature Chosen Option: B
Q.14 Detoxification site in the liver cell is. A. Golgi apparatus B. Free ribosomes C. RER D. SER Chosen Option: D
Q.15 Which of the following cannot be considered a form of matter? A. Atom B. Water C. Humidity D. Electron Chosen Option: D
Q.16 Which of the following can be used for studying human evolution? A. Excavation B. Time dating C. determining DNA sequence D. All Chosen Option: D
Q.17 Neetu has two test tubes containing dilute hydrochloric acid and dilute sodium hydroxide solution, but they are not labeled. Adding which of the following solutions to the test tubes will help her visually identify the acidic and basic solution? A. only vinegar B. only baking soda C. only sodium chloride D. either vinegar or sodium chloride Chosen Option: D
Q.18 The value of Avogadro’s constant is – A. 6.022 × 10²⁴ B. 60.22 × 10²³ C. 6.022 × 10²² D. 6.022 × 10²³ Chosen Option: D
Q.19 When water at 0°C freezes to form ice at the same temperature of 0°C, then it: A. Absorbs some heat B. Releases some heat C. Neither absorbs nor releases heat D. Absorbs 3.34 × 10⁵ J/kg of heat Chosen Option: B
Q.20 If the amount of water vapour in air is high then the rate of evaporation will be? A. Decrease B. zero C. remain the same D. increase Chosen Option: A
Q.21 A motorcyclist going with a constant speed in a circular track has – A. Linear velocity is constant B. constant acceleration C. Angular velocity is constant D. Constant force Chosen Option: A
Q.22 Which of the following acts as a buffer? A. HNO₂ and NaNO₂ B. HCl and KCl C. HNO₃ and NH₄NO₃ D. NaOH and NaCl Chosen Option: C
Q.23 The value of solar energy absorbed per square meter from the surface of the earth per second is ……………. A. 0.3 KJ/S B. 1.36 KJ/S C. 2.36 KJ/S D. 1.76 KJ/S Chosen Option: D (Marked for Review)
Q.24 The speed of a moving object is 0.06 m/s. This speed is equal to A. 1.08 km/h B. 2.16 km/h C. 0.216 km/h D. 0.0216 km/h Chosen Option: C
Q.25 Two devices are connected between two points, say A and B, in parallel. The physical quantity that will remain the same between the two points is A. Current B. Voltage C. Resistance D. None of these Chosen Option: A
Q.26 Which of these is not a function of auxin? A. Inducing callus formation B. Inducing dormancy C. Enhancing cell division D. maintaining apical dominance Chosen Option: B
Q.27 The amount of sound energy passing each second through unit area is called the ------ of sound. A. Loudness B. Intensity C. Audible Range D. Reverberation Chosen Option: A
Q.28 the place where the value of ‘g’ is unaffected by the increase or decrease in the speed of rotation of the earth about its own axis is. A. Tropic of Cancer B. Tropic of Capricorn C. Poles D. Equator Chosen Option: C
Q.29 The correct chemical formula among the following is – A. CaCl B. NaSO₄ C. MgCl₂ D. CaOH Chosen Option: D
Q.30 Frozen storage is generally operated at a temperature of- A. 0° C B. (-) 18° C C. (-)50° C D. (-) 60° C Chosen Option: B
Q.31 Which of the following is a type of Precipitation? A. Dew B. Fog C. Mist D. Hailstone Chosen Option: A
Q.32 Identify the Principle behind the working of an AC generator A. Eddy current B. Faraday’s law C. Lenz’s law D. Electromagnetic induction Chosen Option: A
Q.33 Based on Archimedes Principle, for totally immersed objects, what is the volume of the fluid displaced by the object? A. Greater than its own volume B. less than its own volume C. Equal to its own volume D. Depends on the fluid Chosen Option: D
Q.34 The common name of ethyne is A. Propylene B. Ethylene C. Acetylene D. Methyl-Acetylene Chosen Option: C
Q.35 The skylight of the house is given very close to the roof. A. to throw household garbage B. to talk C. Because hot air rises up and comes out of the skylight. D. None of these. Chosen Option: C
Q.36 Which among the following is/are also known as the Amphibians of the Plant Kingdom? A. Bryophyta B. Thallophyta C. Pteridophyta D. More than One options are correct. Chosen Option: A
Q.37 Groups were left in Mendeleev’s Periodic table to allow for the discovery of new elements in the future. Which of the following elements did not find a Place in the Periodic table until much later in history. A. Silicon B. Oxygen C. Fluorine D. Germanium Chosen Option: D
Q.38 In order to reduce electricity consumption at home, what kind of appliance should one purchase? A. One which draws low power B. One which produces less heat C. One which operates at a higher voltage D. One which draws a high amount of current Chosen Option: B
Q.39 Which of the following element has same valency and number of valence electrons ? A. Nitrogen B. Sulphur C. Carbon D. Oxygen Chosen Option: A
Q.40 Which of the following is a weed? A. Sudan grass B. Cowpea C. Parthenium D. Linseed Chosen Option: C
Q.41 The value of g on the surface of the moon A. keeps changing day by day B. is less than that on the earth. C. is more than that on the earth. D. is the same as on the earth. Chosen Option: B
Q.42 Which of the following statements is correct regarding Mendeleev’s classification of elements? A. Mendeleev’s periodic table was based on atomic number B. There were eight periods and seven groups in the periodic table C. A and B D. Mendeleev’s periodic table could accommodate noble gases when they were discovered Chosen Option: C
Q.43 Thermal energy is ----- A. equal to the temperature of 1 Kelvin of water B. equal to 100 °C C. The latent heat of vaporization absorbed by the body is equal D. None of these. Chosen Option: D
Q.44 Which of the following types of motion is not exhibited by the earth moving around the sun? A. Circular B. Rotational C. Rectilinear D. Periodic Chosen Option: D
Q.45 The correct order of increasing acidic strength is A. Phenol < Ethanol < Chloroacetic acid < Acetic acid B. Ethanol < Phenol < Chloroacetic acid < Acetic acid C. Ethanol < Phenol < Acetic acid < Chloroacetic acid D. Chloroacetic acid < Acetic acid < Phenol < Ethanol Chosen Option: B
Q.46 Which of the following statements is TRUE about the uptake of water in plants? A. It occurs all the time due to diffusion. B. Water enters the roots due to osmosis. C. At night when transpiration is low, roots do not take up water. D. The movement of water from roots to leaves is bidirectional. Chosen Option: C
Q.47 Where is Barauni oil Refinery located? A. Begusarai B. Patna C. Gaya D. Rohtas Chosen Option: C (Note: Document shows green on A in one place but Chosen C – inconsistency in overlay; Chosen is C)
Q.48 The cell wall of Spirogyra contains A. Cellulose B. Chitin C. Lignin D. Suberin Chosen Option: A
Q.49 Plants that do not have a differentiated plant body belongs to the group. A. Pteridophyta B. Phanerogams C. Thallophyta D. Bryophyta Chosen Option: C
Q.50 What causes reverberation? A. Diffraction B. Frequency C. Reflection D. Refraction Chosen Option: B
Q.51 Which one of the following shows the correct sequence of the path of urine in the human excretory system? A. Kidney → urinary bladder → ureter → urethra B. Kidney → ureter → urethra → urinary bladder C. Kidney → urethra → urinary bladder → ureter D. Kidney → ureter → urinary bladder → urethra Chosen Option: D
Q.52 Which of the following is a set of animals in which all show external fertilization? A. Lizards, butterflies, frogs B. Butterflies, frogs, fish C. Frogs, fish, starfish D. Hens, lizards, butterflies Chosen Option: A
Q.53 Which material is used for the production of thermal energy? A. Water B. Coal C. Petroleum D. None of these Chosen Option: B
Q.54 Identify an example of decomposers that are found in the bottom of a pond: A. Zooplankton B. Jellyfishes C. Flagellates D. Phytoplankton Chosen Option: D
Q.55 The two domains to which Prokaryotes are classified into are :- A. Bacteria and Protista B. Bacteria and Archaea C. Archaea and Eukarya D. Eukarya and Monera Chosen Option: A
Q.56 Which of the following gas is evolved when ethanol reacts with sodium A. CO₂ B. H₂ C. O₂ D. N₂ Chosen Option: B
Q.57 Which type of reaction is given below? CuSO₄ → FeSO₄ + Cu A. Neutralisation B. Displacement C. Combination D. None of these Chosen Option: B
Q.58 During contraction of heart, what prevents backflow of blood? A. Thin walls of atria B. Thick muscular walls of ventricles C. Valves in heart D. All of these Chosen Option: C
Q.59 In Prokaryotic cell, ribosome are- A. 70 S B. 80 S C. 60 S + 40 S D. 50 S + 40 S Chosen Option: A
Q.60 The gravitational potential energy of an object of mass m, raised through a height h, from the earth’s surface is given by. A. 1/2 mv² B. mgh C. Fs D. w Chosen Option: B
Q.61 Which of the following is not among the invertebrates in Whittaker’s classification? A. Molluscs B. Annelids C. Platyhelminthes D. Protozoa Chosen Option: D
Q.62 The states of matter are----- A. solid, ice, gas B. mud, liquid, gas C. solid, liquid, gas D. clay, gas, ice Chosen Option: C
Q.63 Woody Plants carry gaseous exchange through A. root hair B. Stem hair C. Lenticels D. epidermal cells Chosen Option: D
Q.64 Which of the following is a complex accident? A. hot water spill burns, B. boiled water spill C. burning by exhaling hot vapor at 100°C D. None of these. Chosen Option: C
Q.65 HIV virus is :- A. Lentivirus B. Capripox virus C. Gallivirus D. Papillomavirus Chosen Option: C
Q.66 Biodegradable waste can be transformed into compost by a process called ? :- A. Composting B. Recycling C. Reusing D. Wasting Chosen Option: A
Q.67 The orbit of an electron around the nucleus is A. circular B. Big circle C. oval D. square Chosen Option: C
Q.68 The atom of an element has electronic configuration 2,8,7. To which of the following elements would it be chemically similar? A. N (7) B. P (15) C. Na (11) D. F (9) Chosen Option: D
Q.69 Read the following statements carefully and select the correct option. S1: Rayon is a synthetic fibre. S2: Rayon is made without using any natural raw material. A. S1 is true and S2 is false B. S1 is false and S2 is true C. Both S1 and S2 are false D. Both S1 and S2 are true Chosen Option: A
Q.70 Where is the headquarter of United Nations Environment Program (UNEP) located? A. Nairobi (kenya) B. New York C. Geneva D. None of these Chosen Option: C
Q.71 Which of these character is dominant ? A. Wrinkled shape of seeds B. Apical position of flower C. Green colour of seed D. Axial position of flower Chosen Option: C
Q.72 Which of the following statements give characteristics of contact forces ?
- It appears between an object when it is in contact with some other object
- It satisfies the third law of motion
- It may appear between a pair of solid and fluid A. 1 and 3 only B. 2 and 3 only C. 1 and 2 only D. 1, 2 and 3 Chosen Option: D
Q.73 Which one among the following combinations most appropriately represent the components of balanced diet ? A. Carbohydrate, vitamins, proteins, fat, minerals, fibres and water B. Carbohydrate, vitamins, proteins, fat and minerals C. Carbohydrate, vitamins, proteins, minerals and water D. Vitamins, proteins, fat, minerals, fibres and water Chosen Option: A
Q.74 The group Amniota (Amnia) includes A. Reptiles and birds B. Reptiles and Mammals C. Birds and Mammals D. Reptiles, birds and Mammals Chosen Option: A
Q.75 Express the Power dissipated in a 100 Ω resistor in dB relative to 1 mW, when the voltage across the resistor is 1.0 Vrms- A. 100 dB B. 20 dB C. 10 dB D. 1 dB Chosen Option: C
Q.76 Lysosomes are the reservoirs of A. Fat B. RNA C. Secretory glycoproteins D. Hydrolytic enzymes Chosen Option: D
Q.77 Which of the following reactions are not feasible? A. PbSO₄ + Fe B. Al + CuSO₄ C. Zn + CaSO₄ D. Mg + ZnSO₄ Chosen Option: A
Q.78 Which on of the following metals reacts with cold water to make hydroxide of metal? A. Na & K B. Mg & Ca C. Na & Cu D. None of these Chosen Option: B
Q.79 Smooth endoplasmic reticulum performs- A. Synthesis of Lipids B. Sterol metabolism C. Detoxification D. All of them Chosen Option: D
Q.80 Which one of the following is a sedimentary type of biogeochemical cycle? A. Phosphorous and Carbon monoxide B. Oxygen and nitrogen C. Phosphate and nitrogen D. Phosphorous and Sulphur Chosen Option: D
Q.81 An ice cube floats in a glass of water, what happens to the level of water in the glass when ice melts? A. Decreases B. Increases C. Remains the same D. First increases and then decreases Chosen Option: B
Q.82 Greenhouse gases are A. Methane B. Nitrous oxide C. Carbon dioxide D. All Chosen Option: C
Q.83 Select the group which shares maximum number of common characters :- A. two individuals of a same species B. two individuals of a same genus C. two individuals of a same order D. two individuals of a same family Chosen Option: A
Q.84 The resistance of a conductor does not depend on. A. length of a conductor B. cross sectional area of a conductor C. Temperature of a conductor D. Electric current flowing through a conductor Chosen Option: C
Q.85 The displacement of a body is zero. The distance covered A. may or may not be zero B. Depends upon the acceleration C. is not zero D. is zero Chosen Option: C
Q.86 The pressure exerted by a liquid column at the bottom of the liquid container is A. Dependent on the density of the liquid B. Equal in all directions. C. Not dependent on the area of cross-section of container. D. All these are true. Chosen Option: B
Q.87 Collision between marble balls is which type of collision? A. Inelastic collision B. Elastic Collision C. Destructive collision D. None of these Chosen Option: B
Q.88 ‘X’ is a rectangular coil consisting of a large number of turns of copper wire wound over a soft iron core in an AC generator. Identify ‘X’ A. Slip ring B. Armature C. Copper brushes D. Field magnet Chosen Option: D
Q.89 Read the following text: When a negatively charged rod is brought near an uncharged electroscope, (a) the electroscope leaves move further apart (b) both the electroscope leaves acquire similar charge (c) the negative charges pass on to the electroscope causing its leaves to move further apart. Of the above three statements: A. (a) and (b) are observations and (c) is an inference B. (a), (b) and (c) are observations C. (a),(b) and (c) are inferences D. (a) is an observation while (b) and (c) are inferences Chosen Option: C
Q.90 The cells having more than two complete sets of chromosomes are called. A. Haploid B. Diploid C. Polyploid D. Polyhybrid Chosen Option: C
Q.91 The valency of nitrogen in NH₃ is – A. 2 B. 0 C. 3 D. 4 Chosen Option: C
Q.92 Which one of the following properties of an element was considered by Mendeleev in order to form his Periodic Table? A. Atomic volume B. Atomic mass C. Atomic number D. Vapour density Chosen Option: C
Q.93 Mendel selected which of the following traits for his studies? A. Stem length, flower position B. Flower colour, seed shape C. Colour of pod, colour of seed D. All of these Chosen Option: D
Q.94 X and Y are thick, black liquids which can be used for metalling the roads. X is derived from petroleum and Y is derived from coal. Which of the following can X and Y respectively be? A. Coal Tar, Charcoal B. Charcoal, Bitumen C. Coal Tar, Bitumen D. Bitumen, Coal Tar Chosen Option: D
Q.95 In a uniform magnetic field, the field lines are: A. Curved B. Parallel equidistant straight lines C. Parallel but non-equid spaced straight lines D. Nothing can be said Chosen Option: B
Q.96 Which of the following food products are the best sources of animal proteins? A. Milk B. Egg C. Cheese D. All of these Chosen Option: D
Q.97 Plants reproducing by spores are grouped under – A. Bryophytes B. Sporophytes C. Cryptogams D. Thallophytes Chosen Option: B
Q.98 What is the name of the region where double-stranded single circular DNA is found in the Prokaryotic cell ? A. Protonucleus B. Nucleus C. Nucleoid D. Nucleoplasm Chosen Option: D
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