Tetraethyl lead (TEL) is

• a catalyst used in burning fossil fuel
• an antioxidant
• a reductant
• an antiknock compound
Correct Option: D  [ an antiknock compound ]

Remark:

Malaria is transmitted from one person to another by:

• Aedes Mosquito
• Culex Mosquito
• Anopheles Mosquito
• All of the above
Correct Option: C  [ Anopheles Mosquito ]

Remark:

Which of the following is a communicable disease?

• Measles
• Scurvy
• Asthma
• Diabetes
Correct Option: A  [ Measles ]

Remark:

Parasites which initiate production of antibodies within hosts are termed as

• Homoparasites
• Zooparasites
• Pathogenic parasites
• Endoparasies
Correct Option: C  [ Pathogenic parasites ]

Remark:

Muscle fatigue is due to accumulation of

• Carbon Dioxide
• Creatinine
• Lactic acid
• Ethyl alcohol
Correct Option: C  [ Lactic acid ]

Remark:

Which of the following is not a viral disease ?

• Tuberculosis
• Polio
• Swine flu
• Hepatitis
Correct Option: A  [ Tuberculosis ]

Remark:

Glaciers always melt first at the:

• top surface
• sides
• bottom
• middle surface
Correct Option: C  [ bottom ]

Remark:

Which of the following is an example of static electricity ?

• Glass rod rubbed with silk cloth
• Ebonite rod rubbed with wool
• Lightening in the sky
• All of the above
Correct Option: D  [ All of the above ]

Remark:

Which of the following is not a property of acids ?

• All acids have sour taste
• All acids are corrosive in nature
• For acidic solutions pH = <7
• Acids turn red litmus to blue
Correct Option: D  [ Acids turn red litmus to blue ]

Remark:

Which of the following is used in pencils ?

• Graphite
• Silicon
• Charcoal
• Phosphorous
Correct Option: A  [ Graphite ]

Remark: