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Science 8th Class Urdu Medium Online Test MCQs With Answers
Question # 1
When light falls on transparent object such as air, water, glass ,etc. It passes through them unchanged, it is called.
Choose an answer
Absorption
Reflection
Transmission
Diffusion
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Question # 2
For making bioplastic, we used corn starch and glyceroal with amount.
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1.4 g and 0.5 g
1.5 g and 0.4 g
1.5 g and 0.5 g
0.5 g and 0.6 g
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Question # 3
The characters which are passed from parents to off spring.
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Environmental characters.
Naturla characters
Non -inheritable characters.
Hereditary characters.
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Question # 4
Neuron or nerve cell is the basic structural and functional unit of.
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PNS and CNS
Nervous stem
Organ system
Spinal cord
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Question # 5
Cleaning of ...... by artificial method is called dialysis.
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Water
Urine
Acid
Blood
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Question # 6
Draught and excessive...............in the soil also have harmful effects on crop productivity.
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Water
Insects
Salts
Minerals
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Question # 7
Chromosoems are made of.
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DNA only
DNA, Proteins and fats
Proteins only
DNA, and proteins
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Question # 8
During the combustion of fossil fuel. Which gas is ener the atmosphere.
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Nitrogen
Oxygen
Carbon di oxide
Hydrogen
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Question # 9
Two equal forces actat the same time on the same stationary object but in the opposite directions. Which statement describes the object's motion.
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The object changes direction
The objet accelerates
The object remains stationary
The object moves at a constant speed
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Question # 10
Genetically modified organisms are used to produce.
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Insulin
Vaccines
Protein
Insulin and Vaccines
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Question # 11
The chemicla reaction during which a compound splits up into two or more simple substanes, is called.
Choose an answer
Additon reaction
Decomposition
Replacement reaction
Balanced reaction
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