hpas prelims science questions

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2025 HPAS Science Questions

Q14. A tadpole develops into an adult frog by the process of:
  • (A) Fertilisation
  • (B) Metamorphosis
  • (C) Embedding
  • (D) Budding
View Answer
Answer: (B)
Q33. Given below are two statements: Statement I: Magnetite is a natural magnet. Statement II: A freely suspended magnet always aligns in N-S direction. In the light of the above statements, choose the most appropriate answer from the options given below:
  • (A) Both Statement I and Statement II are correct
  • (B) Both Statement I and Statement II are incorrect
  • (C) Statement I is correct and Statement II is incorrect
  • (D) Statement I is incorrect and Statement II is correct
View Answer
Answer: (A)
Q34. Given below are two statements: Statement I: The mass of an object is a measure of its inertia. Statement II: Force of friction always opposes motion of objects. In the light of the above statements, choose the most appropriate answer from the options given below:
  • (A) Both Statement I and Statement II are correct
  • (B) Both Statement I and Statement II are incorrect
  • (C) Statement I is correct and Statement II is incorrect
  • (D) Statement I is incorrect and Statement II is correct
View Answer
Answer: (A)
Q54. Arrange the following substances in increasing order of their pH value (1) Gastric Juice (2) Milk of Magnesia (3) Lemon Juice (4) Pure Water. Choose the correct answer from the options given below :
  • (A) (1), (2), (3), (4)
  • (B) (4), (3), (2), (1)
  • (C) (3), (4), (1), (2)
  • (D) (1), (3), (4), (2)
View Answer
Answer: (D)
Q60. What is the audible range of sound for the average human ear ?
  • (A) 20 Hz to 20 kHz
  • (B) 0 Hz to 20 Hz
  • (C) 20 kHz to 50 kHz
  • (D) 50 kHz to 1 MHz
View Answer
Answer: (A)
Q74. Consider the following statements : (1) A concave mirror always forms a real image. (2) A real image cannot be obtained on a screen. (3) A concave lens always form a virtual image. (4) White light is composed of seven colours. Choose the correct answer from the options given below :
  • (A) (1) and (2) only
  • (B) (2) and (4) only
  • (C) (3) and (4) only
  • (D) (1) and (3) only
View Answer
Answer: (C)
Q93. Match List I with List II: List-I (Indian Breed of Sheep): (a) Patanwadi, (b) Bakharwal, (c) Rampur Bushair, (d) Lohi. List-II (State where found): (i) Rajasthan, (ii) Jammu & Kashmir, (iii) Gujarat, (iv) Himachal Pradesh. Choose the correct answer from the options given below:
  • (A) (i) (ii) (iii) (iii)
  • (B) (iii) (ii) (iv) (i)
  • (C) (iii) (ii) (iv) (i)
  • (D) (iii) (iii) (iv) (i)
View Answer
Answer: (C)
Q94. Match List I with List II: List-I (Function): (a) Absorption of food, (b) Killing of bacteria, (c) Chewing of food, (d) Formation of faeces. List-II (Part of digestive canal): (i) Stomach, (ii) Large intestine, (iii) Small intestine, (iv) Buccal cavity. Choose the correct answer from the options given below :
  • (A) (iii) (i) (iv) (ii)
  • (B) (i) (iii) (ii) (iv)
  • (C) (iii) (iv) (ii) (i)
  • (D) (iii) (ii) (i) (iv)
View Answer
Answer: (A)

2024 HPAS Science Questions

Q92. Which of the following processes is not related to nutrition?
  • (A) Ingestion
  • (B) Assimilation
  • (C) Egestion
  • (D) Scouring
View Answer
Answer: (D)
Q93. The process by which the heat comes to us from the sun is called:
  • (A) Convection
  • (B) Radiation
  • (C) Conduction
  • (D) Dispersion
View Answer
Answer: (B)
Q94. Given below are two statements: Statement I: Upper jaw is an immovable joint. Statement II: The cartilages are harder than bones. In the light of the above statements, choose the most appropriate answer from the options given below:
  • (A) Both Statement I and Statement II are correct
  • (B) Both Statement I and Statement II are incorrect
  • (C) Statement I is correct and Statement II is incorrect
  • (D) Statement I is incorrect and Statement II is correct
View Answer
Answer: (C)
Q95. Given below are two statements: Statement I: Rusting of Iron is a chemical change. Statement II: The process of depositing a layer of Zinc on Iron is called galvanisation. In the light of the above statements, choose the most appropriate answer from the options given below:
  • (A) Both Statement I and Statement II are correct
  • (B) Both Statement I and Statement II are incorrect
  • (C) Statement I is correct and Statement II is incorrect
  • (D) Statement I is incorrect and Statement II is correct
View Answer
Answer: (A)
Q96. Arrange the following gases according to speed of sound in them from lowest to highest: (1) Sulphur dioxide (2) Helium (3) Oxygen (4) Hydrogen. Choose the correct answer from the options given below:
  • (A) (2), (1), (3), (4)
  • (B) (1), (3), (2), (4)
  • (C) (4), (3), (1), (2)
  • (D) (3), (4), (1), (2)
View Answer
Answer: (B)
Q97. Consider the following statements: (1) The innermost part of flower is called ovary. (2) Leaf usually has a lamina. (3) Roots absorb water and minerals from the soil. (4) Petals is not the part of a flower. Choose the correct answer from the options given below:
  • (A) (1) and (2) only
  • (B) (2) and (4) only
  • (C) (2) and (3) only
  • (D) (3) and (4) only
View Answer
Answer: (C)
Q98. Consider the following statements: (1) Insulin regulates blood sugar level. (2) Secretion of estrogen occurs in males. (3) Deficiency of iodine may cause dwarfism. (4) Thyroid gland regulates metabolism for body growth. Choose the correct answer from the options given below:
  • (A) (1) and (3) only
  • (B) (2) and (3) only
  • (C) (1) and (4) only
  • (D) (2) and (4) only
View Answer
Answer: (C)
Q99. Match List I with List II: List I (Acid): (a) Lactic, (b) Oxalic, (c) Tartaric, (d) Formic. List II (Found in): (i) Curd, (ii) Spinach, (iii) Ant’s sting, (iv) Grapes.
  • (A) (ii)(i)(iv)(iii)
  • (B) (i)(iii)(iv)(ii)
  • (C) (i)(ii)(iv)(iii)
  • (D) (ii)(iv)(i)(iii)
View Answer
Answer: (C)
Q100. Match List I with List II: List I (Scientist): (a) Galileo, (b) Hertz, (c) Robin Warren, (d) Edward Jenner. List II (Country): (i) Germany, (ii) England, (iii) Italy, (iv) Australia.
  • (A) (iii)(i)(iv)(ii)
  • (B) (iii)(i)(ii)(iv)
  • (C) (iii)(iv)(i)(iii)
  • (D) (ii)(i)(iii)(iv)
View Answer
Answer: (A)

2023 HPAS Science Questions

Q10. Lithosphere is known as:
  • (a) Abiotic component
  • (b) Biotic component
  • (c) Both (a) and (b)
  • (d) Neither (a) nor (b)
View Answer
Answer: (a)
Q14. Which of the following is a biotic component?
  • (a) Soil
  • (b) Air
  • (c) Animal
  • (d) Water
View Answer
Answer: (c)
Q20. Winnowing refers to:
  • (a) Separation of grain from stalk
  • (b) Separation of components from mixture
  • (c) Separation of large sized impurities
  • (d) Separation of water vapour from liquid
View Answer
Answer: (a)
Q33. Given below are two statements: Statement I: Force has magnitude as well as direction. Statement II: Sliding friction is smaller than static friction. In the light of the above statements, choose the most appropriate answer from the options given below:
  • (a) Both Statement I and Statement II are correct
  • (b) Both Statement I and Statement II are incorrect
  • (c) Statement I is correct and Statement II is incorrect
  • (d) Statement I is incorrect and Statement II is correct
View Answer
Answer: (a)
Q34. Given below are two statements: Statement I: The materials which allow heat to pass through them easily are called insulators. Statement II: The range of temperature in clinical thermometer is from 32°C. In the light of the above statements, choose the most appropriate answer from the options given below:
  • (a) Both Statement I and Statement II are correct
  • (b) Both Statement I and Statement II are incorrect
  • (c) Statement I is correct and Statement II is incorrect
  • (d) Statement I is incorrect and Statement II is correct
View Answer
Answer: (b)
Q60. Arrange the following elements in terms of their atomic number from lowest to highest: (1) Carbon (2) Oxygen (3) Sodium (4) Silicon. Choose the correct answer from the options given below:
  • (a) 4, 3, 2, 1
  • (b) 3, 4, 1, 2
  • (c) 2, 4, 1, 3
  • (d) 1, 2, 3, 4
View Answer
Answer: (d)
Q54. Arrange the following animal products in terms of percent protein from highest to lowest: (1) Cow milk (2) Egg (3) Meat (4) Fish. Choose the correct answer from the options given below: (a) 1, 2, 3, 4 (b) 2, 4, 1, 3 (c) 3, 4, 2, 1 (d) 1, 3, 2, 4 Answer: (c)
Q73. Consider the following statements: (1) Protozoans cause serious diseases like dysentery (2) All microorganisms grow on our food and cause food poisoning (3) Microorganisms can live in desert environment (4) All microorganisms are useful for commercial production of medicines and alcohol. Choose the correct answer from the options given below:
  • (a) 2 and 4 only
  • (b) 1 and 4 only
  • (c) 1 and 3 only
  • (d) 2 and 3 only
View Answer
Answer: (c)
Q74. Consider the following statements: (1) Manure and fertilizers are the main source of nutrient supply to crops (2) Inorganic farming is practiced with minimal use of fertilizers and pesticides. (3) Growing of different crops on a piece of land in pre-planned succession is called intercropping (4) Bee-keeping is done to get wax. Choose the correct answer from the options given below:
  • (a) 1 and 2 only
  • (b) 3 and 4 only
  • (c) 2 and 3 only
  • (d) 1 and 4 only
View Answer
Answer: (d)
Q93. Match List I with List II: List-I (Vitamin/Mineral): a. Iron, b. Iodine, c. Calcium, d. Vitamin B1. List-II (Symptoms): i. Weak muscles, ii. Anaemia, iii. Mental disability in children, iv. Tooth decay. Choose the correct answer from the options given below:
  • (a) ii iii iv i
  • (b) ii iv iii i
  • (c) ii iii i iv
  • (d) i ii iv iii
View Answer
Answer: (a)
Q94. Match list I with list II: List-I (Quantity): a. Weight, b. Volume, c. Temperature, d. Pressure. List-II (Unit of Measurement): i. Cubic meter, ii. Newton, iii. Pascal, iv. Kelvin. Choose the correct answer from the options given below:
  • (a) ii iv i iii
  • (b) iii iv ii i
  • (c) ii iii ii i
  • (d) I iii iv ii
View Answer
Answer: (b)

2021 HPAS Science Questions

Q90. Fats are made from edible oils using the process of:
  • (A) Saponification
  • (B) Esterification
  • (C) Catalytic hydrogenation
  • (D) Hydrogenation
View Answer
Answer: (C)
Q91. The main precursors of winter smog are:
  • (A) N2O and hydrocarbons
  • (B) NO2 and hydrocarbons
  • (C) SO2 and hydrocarbons
  • (D) SO2 and ozone
View Answer
Answer: (B)
Q92. Most kidney stones are composed of:
  • (A) Calcium carbonate
  • (B) Calcium oxalate
  • (C) Magnesium carbonate
  • (D) Magnesium oxalate
View Answer
Answer: (B)
Q94. There are two statements given below: Statement I: Steam produces less severe burns than water at the same temperature. Statement II: Dry ice is colder than regular ice.
  • (A) Both Statement I and Statement II are correct.
  • (B) Both Statement I and Statement II are incorrect.
  • (C) Statement I is correct and Statement II is incorrect.
  • (D) Statement I is incorrect and Statement II is correct.
View Answer
Answer: (D)
Q95. Arrange the following electromagnetic waves according to the increasing frequency: (1) Gamma rays, (2) X-rays, (3) Radio waves, (4) Microwaves.
  • (A) 3, 4, 2, 1
  • (B) 1, 2, 4, 3
  • (C) 2, 1, 4, 3
  • (D) 4, 3, 1, 2
View Answer
Answer: (A)
Q97. Consider the given four statements and choose the correct answer from the given options: (1) A concave mirror is a diverging mirror (2) Image formed by a concave mirror is generally real and inverted (3) A convex mirror is a converging mirror (4) Image formed by a convex mirror is always virtual, erect and diminished.
  • (A) 1 and 2 only
  • (B) 1 and 3 only
  • (C) 2 and 4 only
  • (D) 3 and 4 only
View Answer
Answer: (C)
Q98. Consider the given four statements about ethanol and choose the correct answer from the given options: (1) It is the main constituent of all alcohol drinks (2) It is not a good solvent (3) It is soluble in water in all proportions (4) It cannot be used as an additive in petrol.
  • (A) 1 and 2 only
  • (B) 1 and 3 only
  • (C) 2 and 4 only
  • (D) 1 and 4 only
View Answer
Answer: (B)
Q99. Match List I with List II: List I (Acid): (a) Ascorbic Acid, (b) Malic Acid, (c) Formic Acid, (d) Tartaric Acid. List II (Source): (i) Apples and pears, (ii) Ant stings, (iii) Tamarind and grapes, (iv) All citrus fruits.
  • (A) (ii)(iii)(iv)(i)
  • (B) (iv)(iii)(ii)(i)
  • (C) (iv)(i)(ii)(iii)
  • (D) (iv)(iii)(i)(ii)
View Answer
Answer: (C)
Q100. Match List I with List II: List I: (a) Hydrophone, (b) Megaphone, (c) Anemometer, (d) Tachometer. List II: (i) An instrument measuring the rotation speed of a shaft or disk, (ii) An instrument that measures wind speed, (iii) An instrument that spreads sound to far-off places, (iv) An underwater device that detects and records ocean sounds from all directions.
  • (A) (iv)(ii)(iii)(i)
  • (B) (i)(iii)(ii)(iv)
  • (C) (i)(ii)(iv)(iii)
  • (D) (iv)(iii)(ii)(i)
View Answer
Answer: (D)

2020 HPAS Science Questions

Q11. Consider the given four statements:
1. Blood plasma contains significant amounts of antibodies to fight corona virus.
2. Blood plasma is a pale-yellow in colour.
3. Blood plasma contains hemoglobin.
4. Any person can donate blood plasma to any other person affected by corona virus.
  • (a) 1 and 3
  • (b) 3 and 4
  • (c) 1 and 3
  • (d) 2 and 4
View Answer
Answer: (Question scrapped)
Q17. Match List-I with List-II: List-I: A. Litmus, B. Nitrogen, C. Calcium Hydroxyapatite, D. Hydrogen Peroxide. List-II: 1. Tooth enamel, 2. Anti microbial agent, 3. Chips sealed in packet, 4. Lichen.
  • (a) A-4, B-3, C-1, D-2
  • (b) A-4, B-3, C-2, D-1
  • (c) A-3, B-4, C-1, D-2
  • (d) A-2, B-3, C-4, D-1
View Answer
Answer: (a)
Q18. Match List-I with List-II: List-I: A. S.I. unit of power of a lens, B. S.I. unit of electric potential difference, C. Potential difference between two points, D. S.I. unit of electric charge. List-II: 1. V, 2. Coulomb, 3. Diopter, 4. W/Q.
  • (a) A-4, B-3, C-2, D-1
  • (b) A-3, B-4, C-1, D-2
  • (c) A-2, B-3, C-4, D-1
  • (d) A-3, B-1, C-4, D-2
View Answer
Answer: (d)
Q19. Match List-I with List-II: List-I: A. Peristaltic movement, B. Gastric glands, C. Amylase, D. Bile juice. List-II: 1. Saliva, 2. Alimentary canal, 3. Inner lining of stomach, 4. Liver.
  • (a) A-4, B-3, C-2, D-1
  • (b) A-3, B-4, C-1, D-2
  • (c) A-1, B-2, C-3, D-4
  • (d) A-2, B-3, C-1, D-4
View Answer
Answer: (d)
Q20. Match List-I with List-II: List-I: A. Gregor Mendel, B. Harold C. Urey, C. Charles Darwin, D. Dmitri-I-Mendeleev. List-II: 1. Role of earthworms in soil fertility, 2. University of Vienna, 3. Origin of organic molecules on earth, 4. Periodic table.
  • (a) A-3, B-4, C-2, D-1
  • (b) A-2, B-3, C-1, D-4
  • (c) A-1, B-2, C-3, D-4
  • (d) A-4, B-3, C-2, D-1
View Answer
Answer: (b)
Q71. Which of the following statement is not correct?
  • (a) Calcium oxide reacts vigorously with water to produce lime
  • (b) Slaked lime slowly creates a layer of calcium nitrate on the walls during white washing
  • (c) Silver chloride is sensitive to sunlight
  • (d) Decomposition reactions require energy for breaking down of reactants
View Answer
Answer: (b)
Q72. Which of the following statement is correct?
  • (a) A very small opaque object does not change the straight path of light
  • (b) Convex mirrors are generally used in torches
  • (c) The mass density of kerosene is less than that of water
  • (d) The ability of a medium to reflect light is expressed as optical density
View Answer
Answer: (c)
Q73. Which of the following statement is not correct?
  • (a) During dental cavities, bacteria act on saliva to produce acids
  • (b) Blood pressure is much greater in arteries than in veins
  • (c) Normal systolic pressure is about 120 mm of Hg and diastolic pressure is 80 mm of Hg
  • (d) Dental plaque is caused by demineralization of enamel
View Answer
Answer: (a)
Q74. Which of the following statement is correct?
  • (a) Cell vacuoles do not store waste materials
  • (b) Water transport in plants occurs across xylem
  • (c) Breakdown of pyruvate in yeast in the absence of oxygen yields ethanol
  • (d) Energy released from the rupture of terminal phosphate group of ATP is equivalent to 35.5 kJ/mol
View Answer
Answer: (c)

2019 HPAS Science Questions

Q67. A 40 watt electric bulb is used 6 hours every day. The number of electric units it consumes in 30 days are:
  • (a) 12
  • (b) 1.2
  • (c) 2.4
  • (d) 7.2
View Answer
Answer: (d)
Q68. In nuclear fission of U235 with a slow neutron bombardment produces energy approximately:
  • (a) 50 MeV
  • (b) 100 MeV
  • (c) 200 MeV
  • (d) 930 MeV
View Answer
Answer: (c)
Q69. The dental alloy used for teeth filing contains:
  • (a) Silver, mercury, tin, copper and zinc
  • (b) Silver, gold, tin, copper and zinc
  • (c) Silver, mercury, tin, copper and aluminium
  • (d) Gold, Mercury, tin, copper and zinc
View Answer
Answer: (a)
Q70. Which one of the following substances is not responsible for water hardness?
  • (a) Calcium carbonate
  • (b) Magnesium carbonate
  • (c) Calcium nitrate
  • (d) Calcium hydrogen nitrate
View Answer
Answer: (c)
Q71. The different plant parts in which leucoplasts present are:
  • (a) Roots and underground stem
  • (b) Green leaves
  • (c) Flowers and fruits
  • (d) Green parts of young stems
View Answer
Answer: (a)
Q72. Pteridophyta do not have:
  • (a) Leaves
  • (b) Stem
  • (c) Roots
  • (d) Flowers
View Answer
Answer: (d)
Q73. In which group of animals, coelom is filled with blood?
  • (a) Annelida
  • (b) Arthropoda
  • (c) Nematoda
  • (d) Echinodermata
View Answer
Answer: (b)
Q74. Lack of oxygen in muscles often leads to cramps among athletes. The reason for this is:
  • (a) Conversion of pyruvate to ethanol
  • (b) Conversion of pyruvate to lactic acid
  • (c) No-conversion of glucose to pyruvate
  • (d) Conversion of pyruvate to glucose
View Answer
Answer: (b)

2018 HPAS Science Questions

Q7. Which of the following is not derived from wild cabbage?
  • (A) Broccoli
  • (B) Cauliflower
  • (C) Kohlrabi
  • (D) Spinach
View Answer
Answer: (D)
Q8. Which of the following scientists is associated with the theory of natural selection during the evolution of life?
  • (A) Mendel
  • (B) Darwin
  • (C) Haldane
  • (D) Miller
View Answer
Answer: (C)
Q9. In which of the following conditions bio-gas is produced?
  • (A) Presence of oxygen
  • (B) Action of aerobic microorganisms
  • (C) Action of anaerobic microorganisms
  • (D) Presence of fertilizers
View Answer
Answer: (B)
Q10. Why do ventricles have thicker muscular walls than atria?
  • (A) Ventricles receive oxygen-rich blood than atria.
  • (B) Ventricles have to pump blood into various organs
  • (C) Atria have to pump blood into various organs
  • (D) Ventricles first receives blood from the various organs.
View Answer
Answer: (B)
Q11. Which of the following is not a reflex action?
  • (A) Breathing
  • (B) Heart-pumping
  • (C) Salivation
  • (D) Movement of hand
View Answer
Answer: (D)
Q12. Which part of the brain maintains posture and equilibrium of the body?
  • (A) Fore-brain
  • (B) Mid-brain
  • (C) Hind-brain
  • (D) Spinal cord
View Answer
Answer: (C)
Q13. What is the color of Litmus solution when it is neither acidic nor basic?
  • (A) Red
  • (B) Yellow
  • (C) Blue
  • (D) Purple
View Answer
Answer: (D)
Q14. Which of the following statements is not correct?
  • (A) All bases are soluble in water
  • (B) All bases do not dissolve in water
  • (C) An alkali is a base that dissolves in water
  • (D) Bases generate hydroxide (OH-) ions in water.
View Answer
Answer: (A)
Q15. What does ‘p’ represent in pH?
  • (A) Potential
  • (B) Property
  • (C) Power
  • (D) Potenz
View Answer
Answer: (D)
Q16. Which of the following does not represent a refractive defect of vision?
  • (A) Myopia
  • (B) Hypermetropia
  • (C) Presbyopia
  • (D) Cataract
View Answer
Answer: (D)
Q17. During dispersion of white light by the glass prism, which of the following light of the spectrum bends the most?
  • (A) Blue
  • (B) Violet
  • (C) Indigo
  • (D) Red
View Answer
Answer: (B)
Q18. Which of the following phenomena is responsible for twinkling of stars?
  • (A) Reflection of starlight
  • (B) Refraction of starlight
  • (C) Dispersion of starlight
  • (D) Tyndall effect
View Answer
Answer: (B)

2017 HPAS Science Questions

Q91. Which of the following is not a fundamental unit?
  • (a) Meter
  • (b) Litre
  • (c) Kilogram
  • (d) Second
View Answer
Answer: (b)
Q92. The liquid used in a clinical thermometer is:
  • (a) Alcohol
  • (b) Water
  • (c) Mercury
  • (d) Benzene
View Answer
Answer: (c)
Q93. The image formed by a convex mirror is:
  • (a) Erect and diminished
  • (b) Erect and enlarged
  • (c) Inverted and diminished
  • (d) Inverted and enlarged
View Answer
Answer: (a)
Q94. Renewable source of energy is:
  • (a) Coal
  • (b) Fossil fuels
  • (c) Natural gas
  • (d) Sun
View Answer
Answer: (d)
Q95. The global warming has resulted:
  • (a) Increase in yield of the crop
  • (b) Decrease in sea levels
  • (c) Decrease in human deaths
  • (d) Increase in sea levels
View Answer
Answer: (d)
Q96. Photosynthesis occurs in:
  • (a) Nucleus
  • (b) Mitochondria
  • (c) Chloroplast
  • (d) None of the above
View Answer
Answer: (c)
Q97. In which part of our body RBC formed?
  • (a) Liver
  • (b) Heart
  • (c) Bone-marrow
  • (d) Kidney
View Answer
Answer: (c)
Q98. “Rataundhi” is due to deficiency of which Vitamin?
  • (a) Vitamin A
  • (b) Vitamin B6
  • (c) Vitamin C
  • (d) Vitamin B12
View Answer
Answer: (a)
Q99. Core of a transformer is made of:
  • (a) Steel
  • (b) Soft iron
  • (c) Copper
  • (d) Aluminium
View Answer
Answer: (b)
Q100. Which of the following is in the deficiency in a body during “Dengue” fever?
  • (a) Haemoglobin
  • (b) Sugar
  • (c) Platelets
  • (d) Water
View Answer
Answer: (c)

2016 HPAS Science Questions

Q91. In order to prevent oxidation of potato chips during storage in sealed bags, chip manufacturers seal the packet in the presence of:
  • (a) Oxygen
  • (b) Nitrogen
  • (c) Hydrogen
  • (d) Carbon dioxide
View Answer
Answer: (b)
Q92. Where from is litmus dye extracted?
  • (a) A lichen
  • (b) A liverwort
  • (c) A moss
  • (d) A pteridophyte
View Answer
Answer: (a)
Q93. If someone is suffering from the problem of acidity after overeating, what is the remedy?
  • (a) Lemon juice
  • (b) Vinegar
  • (c) Baking soda
  • (d) Blue berry juice
View Answer
Answer: (c)
Q94. Which of the following has a pH of about 10?
  • (a) Gastric juice
  • (b) Blood
  • (c) Milk of magnesia
  • (d) Sodium
View Answer
Answer: (c)
Q95. Which of the following processes does not take place during photosynthesis?
  • (a) Absorption of light energy by chlorophyll
  • (b) Conversion of light to chemical energy
  • (c) Splitting of water molecules into hydrogen and oxygen
  • (d) Chlorophyll degradation
View Answer
Answer: (d)
Q96. Which of the following instruments is used for measuring the depth of the ocean?
  • (a) Galvanometer
  • (b) Ammeter
  • (c) Barometer
  • (d) Fathometer
View Answer
Answer: (d)
Q97. Light year is a unit of :
  • (a) Light
  • (b) Time
  • (c) Intensity of light
  • (d) Astronomical distance
View Answer
Answer: (d)
Q98. Which of the following are the primary colors?
  • (a) Yellow, green, Blue
  • (b) Red, Green, Blue
  • (c) Red, Green, White
  • (d) Red, Magenta, Blue
View Answer
Answer: (b)
Q99. Nail polish remover contains:
  • (a) Benzene
  • (b) Acetone
  • (c) Acetic acid
  • (d) Petroleum ether
View Answer
Answer: (b)
Q100. The most abundant rare gas in the atmosphere is:
  • (a) Helium
  • (b) Neon
  • (c) Xenon
  • (d) Argon
View Answer
Answer: (d)

2014 HPAS Science Questions

Q83. The World’s highest ground based telescopic observatory is located in: (a) Colombia (b) India (c) Nepal (d) Switzerland ANSWER: (b)
Q84. The hormone insulin is a:
  • (A) Glycolipid
  • (B) Fatty acid
  • (C) Peptide
  • (D) Sterol
View Answer
Answer: (C)
Q85. The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by:
  • (A) a decrease in the supply of oxygen
  • (B) minor wear and tear of muscles fibres
  • (C) the depletion of glucose
  • (D) the accumulation of lactic acid
View Answer
Answer: (D)
Q86. Which one of the following agricultural practices is eco- friendly?
  • (A) Organic farming
  • (B) Shifting cultivation
  • (C) Cultivation of high yielding varieties
  • (D) Growing plants in glass – houses
View Answer
Answer: (A)
Q87. According to the World Health Organization, the disease which causes the death of the largest number of people today is:
  • (A) AIDS
  • (B) Tuberculosis
  • (C) Malaria
  • (D) Ebola
View Answer
Answer: (B)
Q88. The normal temperature of human body in Kelvin scale is:
  • (A) 280
  • (B) 290
  • (C) 300
  • (D) 310
View Answer
Answer: (D)
Q89. The only snake that builds a nest is:
  • (A) Chain viper
  • (B) King cobra
  • (C) Krait
  • (D) Saw- scaled viper
View Answer
Answer: (B)
Q90. Which one of the following does not contain silver?
  • (A) Horn Silver
  • (B) German Silver
  • (C) Ruby Silver
  • (D) Lunar Silver
View Answer
Answer: (B)
Q91. Aluminium surfaces are often ‘anodized’, this means the deposition of a layer of:
  • (A) Chromium oxide
  • (B) Aluminium oxide
  • (C) Nickel oxide
  • (D) Zinc oxide
View Answer
Answer: (B)
Q92. Which one of the following polymers is widely used for making bullet proof material?
  • (A) Polyvinyl chloride
  • (B) Polyamides
  • (C) Polyethylene
  • (D) Polycarbonates
View Answer
Answer: (D)
Q93. When a CD compact disc use in audio and video systems) is seen in sunlight, rainbow like colours are seen. This can be explained on the basis of the phenomenon of :
  • (A) Reflection and diffraction
  • (B) Reflection and transmission
  • (C) Diffraction and transmission
  • (D) Refraction, diffraction and transmission
View Answer
Answer: (D)
Q94. Which one of the following does a TV remote control unit use to operate a TV set?
  • (A) Light Waves
  • (B) Sound Waves
  • (C) Micro Waves
  • (D) Radio Waves
View Answer
Answer: (D)
Q95. The working principle of a washing machine is:
  • (A) Centrifugation
  • (B) Dialysis
  • (C) Reverse osmosis
  • (D) Diffusion
View Answer
Answer: (A)
Q96. A fuse is used in main electric supply as a safety device. Which one of the following statements about the fuse is correct?
  • (A) It is connected in parallel with the main switch
  • (B) It is made mainly from silver alloys
  • (C) It must have a low melting point
  • (D) It must have a very high resistance
View Answer
Answer: (C)
Q97. A simple machine helps a person in doing:
  • (A) Less work
  • (B) the same amount of work with lesser force
  • (C) the same amount of work slowly
  • (D) the same amount of work much faster
View Answer
Answer: (B)
Q98. Domestic electrical wiring is basically a:
  • (A) Series connection
  • (B) Parallel connection
  • (C) Combinations of series and parallel connection
  • (D) Series connection within each room and parallel connection elsewhere
View Answer
Answer: (B)
Q99. The most widely used antacid is:
  • (A) Cetrizine
  • (B) Iproniazid
  • (C) Chlorpheniramine
  • (D) Zantac
View Answer
Answer: (D)
Q100. Which of the following drugs reduces fever?
  • (A) Analgesic
  • (B) Antipyretic
  • (C) Antibiotic
  • (D) Tranquilizer
View Answer
Answer: (B)

2013 HPAS Science Questions

Q84. The working principle of a washing machine is:
  • (a) Centrifugation
  • (b) Dialysis
  • (c) Reverse Osmosis
  • (d) Diffusion
View Answer
Answer: (a)
Q85. An air bubble in water will act like a:
  • (a) Convex mirror
  • (b) convex lens
  • (c) Concave mirror
  • (d) Concave lens
View Answer
Answer: (d)
Q86. Diffusion of light in the atmosphere takes place due to:
  • (a) carbon dioxide
  • (b) Dust particles
  • (c) Helium
  • (d) Water vapors
View Answer
Answer: (b)
Q87. The characteristics odour of garlic due to:
  • (a) A Chloro Compound
  • (b) A sulphur compound
  • (c) Acetic acid
  • (d) A fluorine compound
View Answer
Answer: (b)
Q88. Which one of the following is an active component of clove oil?
  • (a) Menthol
  • (b) Eugenol
  • (c) Methanol
  • (d) Benzaldehyde
View Answer
Answer: (b)
Q89. Which one of the following is not an essential micronutrient for plants?
  • (a) Boron
  • (b) Zinc
  • (c) Sodium
  • (d) Copper
View Answer
Answer: (c)
Q90. fat present below the skin surface in our body, acts as a barrier against:
  • (a) loss of heat from our body
  • (b) loss of essential body fluids
  • (c) loss of salts from the body
  • (d) entry of harmful microorganism from the environment
View Answer
Answer: (a)
Q91. When ants bite, they inject:
  • (a) glacial acetic acid
  • (b) methanol
  • (c) formic acid
  • (d) stearic acid
View Answer
Answer: (c)
Q92. The “stones” formed in human kidney consist mostly of:
  • (a) calcium oxalate
  • (b) sodium acetate
  • (c) magnesium sulphate
  • (d) calcium alone
View Answer
Answer: (a)
Q93. Cryogenic engines find applications in :
  • (a) Submarine propulsion
  • (b) Frost-free refrigerators
  • (c) rocket technology
  • (d) researches in super conductivity
View Answer
Answer: (c)
Q94. In eye donation, which one of the following parts of donor’s eyes is utilized?
  • (a) Iris
  • (b) Lens
  • (c) Cornea
  • (d) Retina
View Answer
Answer: (c)
Q95. The major component of honey is:
  • (a) Glucose
  • (b) Sucrose
  • (c) Maltose
  • (d) Fructose
View Answer
Answer: (d)
Q96. Arteries supplying blood to the heart are called:
  • (a) Carotid arteries
  • (b) Hepatic arteries
  • (c) Coronary arteries
  • (d) pulmonary arteries
View Answer
Answer: (c)
Q97. What is the average fat content of “Buffalo milk”?
  • (a) 7.2%
  • (b) 4.2%
  • (c) 9.0%
  • (d) 10.0%
View Answer
Answer: (a)
Q98. Which one of the following fuels causes minimum environmental pollution?
  • (a) Diesel
  • (b) Coal
  • (c) Hydrogen
  • (d) Kerosene
View Answer
Answer: (c)
Q99. Standard 18-carat gold sold in the market contains:
  • (a) 82 parts gold and 18 parts other metals
  • (b) 18 parts gold and 82 parts other metals
  • (c) 18 parts gold and 6 parts other metals
  • (d) 9 parts gold and 15 parts other metals
View Answer
Answer: (c)
Q100. Which one of the following types of glasses can cut-off ultraviolet rays?
  • (a) Soda glass
  • (b) Pyrex glass
  • (c) Jena glass
  • (d) Crookes glass
View Answer
Answer: (d)

2011 HPAS Science Questions

Q90. Which of the following is not a natural polymer?
  • (a) Wool
  • (b) Silk
  • (c) Cotton
  • (d) Teflon
View Answer
Answer: (d)
Q91. A polymer which is used for making ropes and carpet fibers is:
  • (a) Polyacetylene
  • (b) Polypropylene
  • (c) Polyacrylonitrile
  • (d) PVC
View Answer
Answer: (b)
Q92. The urine sample of a diabetic patients contains:
  • (a) Sucrose
  • (b) Fructose
  • (c) Glucose
  • (d) All of the above
View Answer
Answer: (c)
Q93. The quality of diesel oil for use in diesel engines is determined by:
  • (a) The composition of the oil
  • (b) The octane number
  • (c) The cetane number
  • (d) The amount of additive added
View Answer
Answer: (c)
Q94. Rusting of iron is:
  • (a) An electrochemical process
  • (b) A photochemical process
  • (c) An electro analytical process
  • (d) All of the above
View Answer
Answer: (a)
Q95. When mild steel is heated to a high temperature and suddenly cooled in water, it becomes hard and brittle. The process is called:
  • (a) Hardening
  • (b) Annealing
  • (c) Quenching
  • (d) Tempering
View Answer
Answer: (c)
Q96. Which of the following is used as moderators in nuclear reactors?
  • (a) Graphite
  • (b) Paraffin
  • (c) Heavy water
  • (d) All of the above
View Answer
Answer: (d)
Q97. Silicon carbide (SiC) is known as:
  • (a) Quartz
  • (b) Tridynite
  • (c) Corundum
  • (d) Carborundum
View Answer
Answer: (d)
Q98. A pale blue gas with a fish-like odour restores the color of a blackened lead painting. The gas is also used as rocket fuel. It is:
  • (a) Oxygen
  • (b) Ammonia
  • (c) Sulphur dioxide
  • (d) None of these
View Answer
Answer: (d)
Q99. The bleaching action of chlorine occurs in the presence of:
  • (a) Moisture
  • (b) Sunlight
  • (c) Pure oxygen
  • (d) Pure sulphur dioxide
View Answer
Answer: (a)
Q100. Haem is the important biologically in the myoglobin which is used to store:
  • (a) Nitrogen in muscles
  • (b) Chlorine in muscles
  • (c) Oxygen in muscles
  • (d) Carbon dioxide in muscles
View Answer
Answer: (c)

2010 HPAS Science Questions

Q3. Which of the following is not a plant hormone?
  • (a) Cytokinin
  • (b) Auxin
  • (c) Calcium
  • (d) Gibberellin
View Answer
Answer: (c)
Q4. Asbestos is no longer preferred for commercial use because:
  • (a) It causes lung cancer
  • (b) Its structures are very weak
  • (c) It is not sound proof
  • (d) It catches fire
View Answer
Answer: (a)
Q5. Iodine is obtained from:
  • (a) Gracilaria
  • (b) Laminaria
  • (c) Oedogonium
  • (d) Spirogyra
View Answer
Answer: (b)
Q6. The term Biomagnification refers to:
  • (a) raising of environmental issues by man
  • (b) growth of organism due to food consumption
  • (c) increase in population size
  • (d) increase in concentration of non-biodegradable pollutants
View Answer
Answer: (d)
Q7. Which part of the world has a high density of organisms?
  • (a) Grasslands
  • (b) Savannah
  • (c) Deciduous forests
  • (d) Tropical rain forests
View Answer
Answer: (d)
Q8. Hemorrhagic dengue fever is spread by:
  • (a) Aedes fluviatilis
  • (b) Aedes albimenus
  • (c) Aedes aegyptii
  • (d) Aedes meristica
View Answer
Answer: (c)
Q56. Which one of the following in non-toxic?
  • (a) Cadmium
  • (b) Mercury
  • (c) Lead
  • (d) Sodium
View Answer
Answer: (d)
Q57. Which of the following properties is not related to LASER?
  • (a) High intensity
  • (b) High coherence
  • (c) High monochromaticity
  • (d) High optical activity
View Answer
Answer: (d)
Q58. In which form is phosphorus predominantly found in soil?
  • (a) Orthophosphate
  • (b) Phosphorus oxide
  • (c) Phosphorous sulphide
  • (d) Phosphoric acid
View Answer
Answer: (a)
Q59. Carbohydrates are not used in:
  • (a) Food industry
  • (b) Textile industry
  • (c) Cosmetic industry
  • (d) Paint industry
View Answer
Answer: (d)
Q60. Nanotechnology is where particles of the following size are used:
  • (a) 109 cm
  • (b) 10-9 m
  • (c) 10-9 cm
  • (d) 109 cm
View Answer
Answer: (b)
Q94. Antibodies are found in:
  • (a) Platelets
  • (b) RBC
  • (c) Lymphocytes
  • (d) Eosinophils
View Answer
Answer: (c)
Q95. Night-blindness is caused by the deficiency of:
  • (a) Vitamin A
  • (b) Vitamin B6
  • (c) Vitamin B12
  • (d) Vitamin C
View Answer
Answer: (a)
Q96. Human eye is sensitive to wavelength it’s the range of:
  • (a) 300-390 nm
  • (b) 300-360 nm
  • (c) 380-760 nm
  • (d) 790-800 nm
View Answer
Answer: (c)

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