Which of the following is the uppermost layer of the atmosphere?

• Stratosphere
• Mesosphere
• Ionosphere
• Exosphere
Correct Option: D  [ Exosphere ]

Remark:

Which of the following is used to express the speed of internet connectivity ?

• Mb / sec
• Mb
• Herz
• Kb
Correct Option: A  [ Mb / sec ]

Remark:

Which pigment gives pale yellow color to urine?

• Erithromycin
• Amoxylin
• Urochronie
• Unicom
Correct Option: C  [ Urochronie ]

Remark:

Who invented vaccination for 'small pox'?

• Sir Fredrick Grant Banting
• Sir Alexander Fleming
• Edward Jenner
• Louis Pasteur
Correct Option: C  [ Edward Jenner ]

Remark:

Which part is modified as the tusk of elephant?

• canine
• premolar
• second incisor
• molar
Correct Option: C  [ second incisor ]

Remark:

Time during which a job is processed by the computer is:

• Delay time
• Real time
• Down time
• Execution time
Correct Option: D  [ Execution time ]

Remark:

When a bus starts suddenly, the passengers sitting in the bus lean backward. This is because of :

• Inertia of rest
• Inertia of motion
• Momentum
• Gravity of the earth
Correct Option: A  [ Inertia of rest ]

Remark:

The pale yellow colour of urine is due to the presence of which pigment?

• Urophyll
• Urochrome
• Chlorophyll
• Chloroplast
Correct Option: B  [ Urochrome ]

Remark:

Plants absorb dissolved nitrates from soil and convert them into:

• free nitrogen
• urea
• ammonia
• proteins
Correct Option: C  [ ammonia ]

Remark:

Red data book contains data of which of the following?

• All plant species
• All animal species
• All endangered species
• All extinct species
Correct Option: C  [ All endangered species ]

Remark: