In medical terminology, USG stands for:

• Undersized gland
• Ultrasonography
• Unsegmented gonads
• None of the above
Correct Option: B  [ Ultrasonography ]

Remark:

Consider the following diseases:

i)Cholera
ii)Tuberculosis
iii)Small pox
iv)Typhoid

Which of the above diseases are caused by bacteria ?

• (i) and (iii) only
• (ii) and (iv) only
• (i), (iii) and (iv)
• (i), (ii) and (iv)
Correct Option: D  [ (i), (ii) and (iv) ]

Remark:

What is the meaning of the word 'Tsunami' in Japanese?

• High waves
• Destructive waves
• Harbour waves
• none of these
Correct Option: C  [ Harbour wave ]

Remark: Indian Ocean Tsunami occurred on 26 December, 2004 with an epicentre off the west coast of Sumatra, Indonesia.

The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organism is:

• 4-6
• 2-4
• 8-10
• 12-16
Correct Option: A  [ 4-6 ]

Remark:

Which of the following is used in pencils ?

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

Remark:

The growth of bacteria is measured by:

• hemocytometer
• spectrophotometer
• calorimeter
• auxanometer
Correct Option: B  [ spectrophotometer ]

Remark:

Oxidation is a process which involves

• addition of Oxygen.
• addition of Hydrogen.
• removal of Oxygen.
• addition of Nitrogen.
Correct Option: A  [ addition of Oxygen. ]

Remark: the term "oxidation" is defined as the addition of oxygen/electronegative element to a substance or removal of hydrogen/electropositive element from a substance.

The exit of food from the stomach is regulated by which muscle

• cardiac
• sphincter
• skeletal
• None of these
Correct Option: B  [ sphincter ]

Remark:

Which of the following is not a biofertilizer ?

• Rhizobium
• Mucor
• Azotobacter
• Anabaena
Correct Option: B  [ Mucor ]

Remark:

Boiling point of water inside a sealed pressure cooker is:

• 100℃
• 121℃
• 95℃
• 0℃
Correct Option: B  [ 121℃ ]

Remark: