WAPDA Past Papers

Q No 1: The matter is composed of extremely tiny particles called: _____
A. Ions
B. Radicals
C. Moles
D. Atoms

Q No 2: The mixture of ____ and_____ is used as a fungicide:
A. Sulpher and Nitrogen
B. Sulpher and Calcium Hydroxide
C. Nitrogen and ammonia
D. Carbon and Phosphorus

Q No 3: The Green color of the plant is due to _____
A. Cromoplast
B. Chlorophyll
C. Leucopiast
D. Cellulose

Q No 4: Glucose reacts with______to produce energy in respiration:
A. Water
B. Light
C. Oxygen
D. Sulpher

Q No 5: ______ is poisonous brownish color gas:
A. Sulpher dioxide
B. Carbon dioxide
C. Nitrogen oxide
D. Clorine

Q No 6: ______ brings messages from the eyes to the brain:
A. Retina
B. Optic nerve
C. Cornea
D. Iris

Q No 7: The conversion of liquid into solids is called:
A. Freezing
B. Melting
C. Boiling
D. Vapourization

Q No 8: One gram fats produce nearly ______ calories of energy:
A. 4000
B. 3000
C. 9000
D. 6000

Q No 9: The ‘ear canal’ is about ___________cm long :
A. 3
B. 5
C. 6
D. 7

Q No 10: The molecule of chlorine can break ____ molecules of ozones :
A. 20
B. 20,000
C. 30,000
D. 100000

Q No 11: _____ play/plays an important role in cell division:
A. Vacuole
B. Centrioies
C. Ribosome
D. Mitochondria

Q No 12: Tapeworm lives in ____ as parasites and spread many diseases:
A. Throat
B. stomach
C. Liver
D. Intestine

Q No 13: _____ are used to sterilize the operation equipments:
A. X rays
B. Ultraviolet rays
C. Gamma rays
D. Alpha rays

Q No 14: The fusion of male and female gametes results in ___:
A. Eggs
B. Sperms
C. Zygote
D. Embryo

Q No 15: The strong acid has pH equal to _____:
A. 2
B. 5
C. 6
D. 7

Q No 16: “Rust” and “Smut” are plant diseases caused by_____:
A. bacteria
B. virus
C. fungi
D. algac

Q No 17: The relation between predator and prey is called_______:
A. parasitism
B. mutualism
C. predation
D. symbiosis

Q No 18: The value of π is _______:
A. 7/22
B. 22/7
C. 12/7
D. 22/7

Q No 19: A pen costs Rs x. Asif bought 3 pens and paid Rs 15, the value of x will be:
A. 15
B. 45
C. 5
D. 60

Q No 20: 7/8 – 3/4
A. 1/8
B. 1/4
C. 21/32
D. 1/2