**Laughing gas has chemical composition of the following two elements which are:**A) Nitrogen + HydrogenB) Nitrogen + CarbonC) Nitrogen + OxygenD) Oxygen + Carbon Show Answer Correct Answer: C – Nitrogen + Oxygen
**Hepatitis A is transmitted to different individuals by:**A) WaterB) SneezingC) SpitD) Faeces Show Answer Correct Answer: A – Water
**The unit that coordinates different devices of the computer system is:**A) ALUB) RegisterC) Control UnitD) Logical instruction Show Answer Correct Answer: C – Control Unit
**The instrument which is specially designed for recording earthquake waves is called seismograph which measures:**A) Diatonic ScaleB) Fahrenheit ScaleC) Richter ScaleD) Celsius Scale Show Answer Correct Answer: C – Richter Scale
**The most abundant element present in the human body is:**A) NitrogenB) CarbonC) HydrogenD) Oxygen Show Answer Correct Answer: D – Oxygen
**The planet Mercury completes one rotation around the sun in:**A) 88 daysB) 365 daysC) 98 daysD) 60 days Show Answer Correct Answer: A – 88 days
**Cancer can be treated by:**A) Antibiotics and vaccinesB) Radiotherapy and antibodiesC) Chemotherapy and radiotherapyD) Antibodies and chemotherapy Show Answer Correct Answer: C – Chemotherapy and radiotherapy
**Fossils found in the lowest geological strata are generally the most:**A) AdvancedB) ComplexC) PrimitiveD) Specialized Show Answer Correct Answer: C – Primitive
**Animals obtain carbohydrate mainly from:**A) SucroseB) StarchC) GlucoseD) Glycogen Show Answer Correct Answer: B – Starch
**Cusec is a unit of:**A) AreaB) TimeC) DistanceD) Flow rate Show Answer Correct Answer: D – Flow rate
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