Which cells in our body are popularly called 'soldiers' of the human body?

• Eosinophils
• White blood cells
• Red blood cells
• Basophils
Correct Option: B  [ White blood cells ]

Remark:

Which among the following elements increases the absorption of water and calcium in plants ?

• Manganese
• Boron
• Copper
• Molybdenum
Correct Option: B  [ Boron ]

Remark:

What is the dimensions of A4 size paper?

• 210 mm X 297 mm
• 217 mm X 290 mm
• 200 mm X 300 mm
• none of these
Correct Option: A  [ A4 measures 210mm x 297mm or 8.27inches x 11.69inches ]

Remark: Legal- 21.59mm X 35.56mm

Who discovered Electron?

• Enrico Fermi
• Robert Noyce
• J.J.Thomson
• James Dyson
Correct Option: C  [ J.J.Thomson ]

Remark:

Decibel is the unit used for

• intensity of light
• intensity heat
• intensity of sound
• frequency of radio wave
Correct Option: C  [ intensity of sound ]

Remark:

ATM means:

• All Time Money
• Automatic Teller Machine
• Automated Teller Machine
• Any Time Money
Correct Option: C  [ Automated Teller Machine ]

Remark:

The motion of which particle through a metallic wire is called electric current?

• Electron
• Positron
• Neutron
• Photon
Correct Option: A  [ Electron ]

Remark:

Which of the following could be used as fuel in propellant of rockets?

• liquid hydrogen + liquid nitrogen
• liquid oxygen + liquid argon
• liquid nitrogen + liquid oxygen
• Liquid hydrogen + liquid oxygen
Correct Option: D  [ Liquid hydrogen + liquid oxygen ]

Remark:

Which of the following is not correct ?
(a) Exercise does not help in managing psychological discomfort.
(b) Exercise increases cardio-respiratory fitness.
(c) Exercise reduces risk of diabetes.
(d) Exercise helps in managing bone health.

• Exercise does not help in managing psychological discomfort.
• Exercise increases cardio-respiratory fitness.
• Exercise reduces risk of diabetes.
• Exercise helps in managing bone health.
Correct Option: A  [ Exercise does not help in managing psychological discomfort. ]

Remark:

The number of protons in an alpha particle is :

• one
• two
• three
• four
Correct Option: B  [ two ]

Remark: