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A. CO2, sunlight, carbohydrates, water
B. Oxygen, CO2, sunlight
C. Chlorophyll, oxygen, carbohydrates
D. Water, CO2, Chlorophyll, sunlight
Answer
D. Water, CO2, Chlorophyll, sunlight
Submitted by: Toheed Ahmed
‘Pasteurized Milk’ is _________?
A. Specially treated milk in order to kill bacteria
B. Milk mixed with protein rich powder
C. Milk rich in fats
D. Medicated milk for children
Answer
A. Specially treated milk in order to kill bacteria
Submitted by: Toheed Ahmed
The newly discovered high-temperature superconductors are
A. Ceramic oxides
B. Pure rare-earth metals
C. Metal alloys
D. Inorganic polymers
Answer
A. Ceramic oxides
Submitted by: Toheed Ahmed
Of the following, which provides the maximum amount of energy in the present day world?
A. Liquid fuels
B. Coal
C. Hydroelectric power resources
D. Atomic energy
Answer
C. Hydroelectric power resources
Submitted by: Toheed Ahmed
The hormone that increases the rate of heart beat and blood pressure after shock in a person is
A. Adrenalin
B. Pancreatin
C. Throxin
D. Gastrin
Answer
A. Adrenalin
Submitted by: Toheed Ahmed
All the following contribute to pollution except
A. Automobiles
B. Hydro-electric power project
C. Nuclear power plants
D. Thermal power plants
Answer
B. Hydro-electric power project
Submitted by: Toheed Ahmed
Rainbow is produced by tiny rain drops suspended in front of sun rays as a result of
A. Refraction and dispersion
B. Reflection and interference
C. Reflection, refraction and dispersion
D. Interference
Answer
C. Reflection, refraction and dispersion
Submitted by: Toheed Ahmed
Speed of sound is greater in solids than in liquids because
A. The solids have high elasticity
B. The atoms in solids are regularly arranged
C. The liquids have high elasticity
D. The atom in liquids are closely packed
Answer
A. The solids have high elasticity
Submitted by: Toheed Ahmed
Amnesia is related to ________?
A. Loss of Teeth
B. Sleeping sickness
C. Loss of hearing
D. Loss of memory
Answer
D. Loss of memory
Submitted by: Toheed Ahmed
Which of the following is the correct sequence of evolution?
A. Frogs – Birds – Reptiles — Fishes — Mammals
B. Birds — Frogs — Reptiles — Mammals — Fishes
C. Fishes — Frogs — Reptiles — Birds — Mammals
D. Fishes — Reptiles — Frogs — Mammals — Birds
Answer
C. Fishes — Frogs — Reptiles — Birds — Mammals
Submitted by: Toheed Ahmed