851. The basic duty of every citizen is :

A. Obedience to constitution and law *
B. To get education
C. To work hard
D. To respect elders.

852. Optical Fiber system is a :

A. Defence Mechanism
B. Telecommunication system *
C. Air Raid system
D. None of these

853. Which poisonous gas is produced when coal is burnt without enough air supply?

A. Ammonia
B. Carbon monoxide *
C. Nitorgen
D. Hydrogen

854. Sunlight falling on our skin causes it to produce _______.

A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D *

855. Common salt is also called________.

A. Amino Acid
B. Sodium Chloride *
C. Sodium Potassium
D. None in the above

856. The total number of districts in punjab is _________.

A. 32
B. 34
C. 35
D. 36 *

857. Reko Diq is a mining project in pakistan by___________.

A. Coal reserves
B. Copper reserves *
C. Iron ore
D. Oil reserves

858. “A thing of beauty isa joy for ever” is a famous verse by______.

A. Wordsworth
B. Shelly
C. Keats *
D. Byron

859. Which part of human body is more prone to damage from the “Hepatitis Virus.

A. Kidneys
B. Lungs
C. Spleen
D. Liver *

860. Mossad ” is the intelligence agency of :

A. Iraq
B. Israel *
C. Egypt
D. Russia

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