The uncharged particle in an atom is called:
• Proton
• Neutron
• Electron

The smallest planet of the solar system is:
• Venus
• Mercury
• Pluto
• Uranus

The _______ causes the sun burn and sun tan:
• Ultraviolet Light
• Alpha Radiation
• Gamma Radiation

The lightest gas is:
• Hydrogen
• Helium
• Neon

Bi-Focal lens was invented by:
• Newton
• Galelio
• Benjamin Franklin

______ is the best conductor of electricity:
• Copper
• Silver
• Iron
• Zinc

The _______ causes maximum spoilage of our cereal crop:
• Bacteria
• Fungi
• Viruses

A true fruit if derived from the ______ of a flower:
• Ovary
• Ovule
• Thalamus

Hydrophobia is a symptom of _______ disease:
• Malaria
• Small pox
• Rabies

Blood cells are manufactured by _____ of the body:
• Liver
• Spleen
• Bone-marrow

Which of the following are mixtures and which are compunds:
• Air (mixture)
• Sugar (compound)
• Cement (mixture)
• Water (compound)
• Brass (mixture)
• Stainless Steel (mixture)

Give common names of the following chemicals:
• Sodium chloride (table salt or common salt)
• Copper sulphate (blue vitriol)
• Sodium bicarbonate (backing powder)
• Potassium per oxide (bleach)
• Calcium carbonate (marble or chalk)
• Sodium hydroxide (caustic soda)
• Calcium sulphate (gypsum)
• Calcium oxychloride (bleaching powder)

Name the industry in which each of the following chemicals is used:
• Gypsum
• Sodium metabi sulphate
• Silica
• Sodium hydroxide

Answer: Gypsum is used for the manufacturing of cement; Sodium Metabi is used in fruit and fruit juices; Silica is used in glass making; Sodium Hydroxide is used in laundry soap and paper industry.

Associate the correct name of the scientist associated with the following inventions:
(corrected list)
• Diesel Engine: Rudolph Diesel
• Electric Bulb: Thomas Edison
• Radio Telephone: Lee De Forest
• Transistor: Bardeen Shockley
• Microphone: E. Graham Bell
• Laser: Charles H. Town
• Television: Jhon H. Baird
• Fountain Pen: Waterman

Which part of the plant are the following:
• Carrot: Root
• Turnip: Root
• Ginger: Root
• Potato: Stem
• Cinnamon: Bark
• Cucumber: Fruit
• Saffron: Flower
• Peas: Fruit

Describe the following psychological terms:
• Phobia
• Hysteria
• Mania
• Schizophrenia
Answer: Phobia is unrealistic and excessive fear from an object or situation; Hysteria is a psychological condition manifested with lack of control over emotions by morbid self-consciousness of anxiety; Mania is a psychological illness marked by excitement, violence, enthusiasm and obsession; Schizophrenia is a functional psychosis characterized by disturbances of thinking, motivation and mood coupled with hallucinations and delusions.

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The precondition for existence of a higher humanity is not the state, but the nation possessing the necessary ability.