Which instrument is used to measure atmospheric pressure?
[Image of aneroid barometer diagram]- a) Screw gauge
- b) Barometer
- c) Stethoscope
- d) Hygrometer
Which blood components are responsible for transporting oxygen throughout the body?
[Image of red blood cells oxygen transport]- a) Neutrophils
- b) Platelets
- c) White Blood cells
- d) Red Blood Cells
What type of plants are adapted to survive in extremely dry environments?
- a) Hydrophytes
- b) Helophytes
- c) Xerophytes
- d) Aerophytes
Why is water often referred to as the universal solvent?
- a) Polar nature
- b) Hydrogen bonding
- c) Ionic bond
- d) Both polar nature and hydrogen bonding
What term describes oxides that can behave as both acids and bases?
- a) Acid
- b) Salt
- c) Amphoteric
- d) Basic
Which industrial process is used for manufacturing sodium carbonate?
- a) Solvay process
- b) Haber process
- c) Contact process
- d) Ostwald process
How are liquid hydrocarbons converted into gaseous hydrocarbons?
- a) Oxidation
- b) Cracking
- c) Distillation
- d) Hydrolysis
What chemical process is used to produce margarine from vegetable oils?
- a) Chlorination
- b) Carbonization
- c) Hydrogenation
- d) De-carbonization
What are the smallest blood vessels with single-cell thick walls called?
[Image of capillary structure diagram]- a) Veins
- b) Pulmonary artery
- c) Capillaries
- d) Arteries
Which compound demonstrates the highest solubility in water?
- a) Salt
- b) Sugar
- c) Camphor
- d) Sulphur
In what physical state are most metals found at room temperature?
- a) Solid
- b) Liquid
- c) Gas
- d) Plasma
What is the approximate total capacity of human lungs?
- a) 2 liters
- b) 4 liters
- c) 6 liters
- d) 8 liters
How many bits constitute one byte in computing?
- a) 4 bits
- b) 6 bits
- c) 8 bits
- d) 10 bits
Who was the first mathematician to develop the binomial theorem?
- a) Muhammad ibn Musa al-Khwarizmi
- b) Omar Khayyam
- c) Al-Beruni
- d) Euclid
What invention is Robert Bunsen most famous for?
- a) Bunsen Burner
- b) Bunsen Micrometer
- c) Bunsen Compass
- d) Bunsen Battery
From which organism was DNA polymerase first discovered in 1956?
- a) E. coli
- b) Streptococcus
- c) Pseudomonadota
- d) Staphylococcus
Which gas poses the most significant threat to the ozone layer?
- a) Carbon dioxide
- b) Chlorofluorocarbon
- c) Nitrogen oxide
- d) Sulphur dioxide
Which of the following is classified as a greenhouse gas?
- a) Oxygen
- b) Methane
- c) Sulphur dioxide
- d) Nitrogen
Which chemical element is the main component of bleaching powder?
- a) Nitrogen
- b) Iodine
- c) Chlorine
- d) Bromine
What type of chemical bond results from attraction between oppositely charged ions?
- a) Metallic bond
- b) Ionic bond
- c) Covalent bond
- d) Hydrogen bond
What happens to gas volume when pressure is increased in a cylinder?
- a) Increase
- b) Decrease
- c) Remains same
- d) Fluctuates
What is the phenomenon called when sound waves bounce back after hitting a surface?
- a) Reflection
- b) Refraction
- c) Diffraction
- d) Absorption
Why is Cobalt-60 used in cancer treatment?
- a) Emit Alpha rays
- b) Emit Gamma rays
- c) Emit Nuclear rays
- d) Emit Beta rays
What should be the orientation of a room for optimal natural light and air?
- a) Evening
- b) East-facing
- c) West-facing
- d) North-facing
Where is the voice box located in the human body?
- a) Larynx
- b) Pharynx
- c) Trachea
- d) Esophagus
What is the approximate half-life period for Carbon-14?
- a) 1.2 days
- b) 5730 years
- c) 5.73 days
- d) 57.3 years
Which gas is produced by photocopier machines during operation?
- a) Carbon dioxide
- b) Sulphur dioxide
- c) Ozone
- d) Nitrogen oxide
Which chamber of the human heart receives oxygen-rich blood from lungs?
[Image of human heart diagram chambers]- a) Right atrium
- b) Right ventricle
- c) Left atrium
- d) Left ventricle
Which variety of coal is used on the largest industrial scale?
- a) Lignite
- b) Bituminous
- c) Anthracite
- d) Sub-bituminous
What is the smallest measurement possible with a standard Vernier Caliper?
[Image of vernier caliper reading]- a) 0.1 mm
- b) 1 mm
- c) 10 mm
- d) 100 mm
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