Living in the atmosphere of CO is dangerous because it:

• Reduces organic matter of tissues
• Dries up the blood
• Combined with O₂ present inside to form CO₂
• Combines with haemoglobin and makes it incapable of absorbing oxygen
Correct Option: C  [ Combined with O₂ present inside to form CO₂ ]

Remark:

The pigment which is responsible for blood clotting is:

• Fibrinogen
• Haemoglobin
• Glucose
• Blood Cells
Correct Option: A  [ Fibrinogen ]

Remark:

Pituitary gland is located in

• brain
• kidney
• liver
• intestine
Correct Option: A  [ brain ]

Remark:

"Athlete's foot" is:

• a specific footwear for athletes to prevent them from straining their feet
• an allergic skin rash
• a common fungal infection that attacks the skin below the toes
• an eczema
Correct Option: C  [ a common fungal infection that attacks the skin below the toes ]

Remark:

The Bhopal Gas Tragedy was caused by :

• Phosgen gas
• Carbon monoxide
• Methyl isocyanate
• Chlorine
Correct Option: C  [ Methyl isocyanate ]

Remark: On 2–3 December, 1984 at the Union Carbide India Limited (UCIL) pesticide plant.

The art and science of map making is called:

• remote sensing
• cartography
• photogrammetry
• mapping
Correct Option: B  [ cartography ]

Remark:

Normally, the substances that fight against diseases in human body are known as :

• Antibodies
• Deoxyribo nucleic acid
• Ribo nucleic acid
• Enzymes
Correct Option: A  [ Antibodies ]

Remark:

What is Air Quality Index ?

• It tells about sound pollution.
• It measures air pollution mainly sulphur content in the air.
• It measures ozone levels in the selected area.
• It checks the colour of the air.
Correct Option: C  [ It measures ozone levels in the selected area. ]

Remark:

The rusting of the iron is the example of:

• Oxidation
• Reduction
• Polymerisation
• Galvanization
Correct Option: A  [ Oxidation ]

Remark:

Which of the following is a ripening hormone?

• GA-3
• Auxin
• Cytokinin
• Ethylene
Correct Option: D  [ Ethylene ]

Remark: Ethylene is used for the controlled ripening of citrus fruits, tomatoes, bananas and many other fruits, vegetables and flowers.