Q 1. Which of the following metals is considered as the most important constituent for haemoglobin?
A. Iron B. Calcium C. Aluminium D. Potassium
Ans. Iron
Q 2. Insulin helps to maintain normal blood glucose level (per 100 ml of blood) at ________.
A. 80-120 mg B. 90-140 mg C. 50-70 mg D. 100-125 mg
Ans. 80-120 mg
Q 3. Which of the following does not conduct electricity?
A. Copper B. Aluminium C. Glass D. Gold
Ans. Glass
Q 4. When light bends as it enters a different medium, it is called _______ .
A. Reflection B. Refraction C. Opaqueness D. Replication
Ans. Refraction
Q 5. Two resistances 24-ohm and 6-ohm are connected in series. What is the total resistance of the circuit?
A. 30-ohm B. 4-ohm C. 0.25-ohm D. 24-ohm
Ans. 30-ohm
Q 6. To generate electricity using wind mill, the wind speed should be __________ to maintain the required speed of the turbine.
A. Lesser than 15 km per hour B. Higher than 15 km per hour
C. Higher than 30 km per hour D. Lesser than 5 km per hour
Ans. Higher than 15 km per hour
Q 7. Which of the following instruments is used to detect the direction of the electric current?
A. Voltmeter B. Ammeter C. Galvanometer D. Thermometer
Ans. Galvanometer
Q 8. Light travels fastest in __________.
A. Glass B. Water C. Air D. Diamond
Ans. Air
Q 9. According to Ohm's law, current I=?
A. V/R B. V+R C. R/V D. VR
Ans. V/R
Q 10. Digestion in human beings begins in the mouth and ends in the _________.
A. Small intestine B. Large intestine C. Esophagus D. Liver
Ans. Small intestine
Q 11. Which of the following units is used to measure electric power?
A. Joule B. Watt C. Ampere D. Volt
Ans. Watt
Q 12. Lightning is an example of __________.
A. Kinetic force B. Mechanical force C. Magnetic force D. Electrostatic force
Ans. Electrostatic force
Q 13. The atomic number of natural radioactive element is _______ .
A. Greater than 82 B. Not defined C. At least 80 D. Less than 80
Ans. Greater than 82
Q 14. The SI Unit of pressure is ________ .
A. Newton B. Kilo calorie C. Pascal D. Joule
Ans. Pascal
Q 15. The SI unit of electric power is ________ .
A. Ohm B. Ampere C. Volt D. Watt
Ans. Watt
Q 16. Any energy that is stored is called _______.
A. Potential energy B. Kinetic energy C. Electric energy D. Gravitational energy
Ans. Potential energy
Q 17. Which one of the following is NOT used in batteries?
A. Lithium B. Lead C. Cadmium D. Arsenic
Ans. Arsenic
Q 18. Electric current is expressed in ___________.
A. Volt B. Watt C. Ampere D. Coulomb
Ans. Ampere
Q 19. One atomic mass unit is defined as ___________ part of the mass of one atom of carbon.
A. 1/12th B. 1/2 C. 1/10th D. 1
Ans. 1/12th
Q 20. Which of the following types of motions is an example of a rectilinear type of motion?
A. The movement of a striker across a carom board B. The bouncing of a ball
C. The spinning of a top D. The movement of a merry-go-round
Ans. The bouncing of a ball
Q 21. The thin metallic wire used in an electric bulb as filament is made of _________.
A. Copper B. Silver C. Tungsten D. Nichrome
Ans. Tungsten
Q 22. A magnifying glass is a _____ type of lens.
A. Convexo-concave B. Concave C. Convex D. Concavo-Convex
Ans. Convex
Q 23. A nuclear reaction where the nucleus of an atom splits into smaller parts is known as:
A. Nuclear condensation B. Nuclear combination C. Nuclear fission D. Nuclear
Ans. Nuclear fission
Q 24. An electric bulb is connected to a 240 V generator. The current is 0.50 A. What is the power of the bulb?
A. 110 W B. 120 W C. 480 W D. 440 W
Ans. 120 W
Q 25. Which of the following optical phenomenon is used in movie projectors?
A. Shadow B. Persistence of vision C. Interference D. Mirage
Ans. Persistence of vision
Q 26. __________ helps to measure the potential difference between two points in an electrical circuit.
A. Ammeter B. Voltmeter C. Rheostat D. Ohmmeter
Ans. Voltmeter
Q 27. Convex mirror always gives a/an _________ image.
A. Diminished B. Inverted C. Virtual and Erect D. Inverted and Real
Ans. Virtual and Erect
Q 28. Three resistances having the values 5-ohm, 10-ohm, 30-ohm are connected parallel to each other. What is the total resistance of the circuit?
A. 3-ohm B. 6-ohm C. 30-ohm D. 10-ohm
Ans. 3-ohm
Q 29. Which symbol is the chemical symbol for gold?
A. Ag B. Pb C. Sn D. Au
Ans. Au
Q 30. When white light is passed through a __________, it is dispersed into its seven-colour components.
A. Glass B. Air C. Water D. Prism
Ans. Prism
Q 31. Name the compound: Na2S2O3
A. Sodium thiosulphate B. Sodium nitrite C. Sodium sulfate D. Sodium Silicate
Ans. Sodium thiosulphate
Q 32. An example of aqueous solution is _______ .
A. Sugar B. Benzene C. Ether D. CS2
Ans. Sugar
Q 33. There are approximately ______ numbers of known elements in the periodic table.
A. 186 B. 202 C. 118 D. 114
Ans. 118
Q 34. Which of the following gases is NOT an oxidizing agent?
A. Oxygen B. Carbon Dioxide C. Nitrogen D. Hydrogen
Ans. Hydrogen
Q 35. Chemical name of quick lime is _________.
A. Sodium Chloride B. Carbon Dioxide C. Calcium Carbonate D. Calcium Oxide
Ans. Calcium Oxide
Q 36. ________ is called artificial silk.
A. Rayon B. Polyester C. Nylon D. Acrylic
Ans. Rayon
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