All ships have sonar system. It is used to detect /measure :

• Distance of the shore
• Sound on the surface
• Sound of animals in Sea
• Depth of ocean
Correct Option: D  [ Depth of ocean ]

Remark:

What is the full form of USB?

• Unlimited Service Band
• Unlimited Serial Bus
• Universal Serial Bus
• Unlimited Storage Bus
Correct Option: C  [ Universal Serial Bus ]

Remark:

In India which is the most widely used form of renewable energy ?

• Geothermal energy
• Hydro-electric energy
• Solar energy
• Thermal energy
Correct Option: C  [ Solar energy ]

Remark:

The Law of Segregation and The Law of Independent Assortment were discovered by

• Johann Gregor Mendel
• Thomas Hunt Morgan
• Govindjee
• M. D. Hatch
Correct Option: A  [ Johann Gregor Mendel ]

Remark:

Growth hormone is produced by :

• Bones
• Pituitary gland
• Thyroid gland
• Adrenal gland
Correct Option: B  [ Pituitary gland ]

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:

How many bones are there in each hand of an adult human being?

• 19
• 27
• 37
• none of these
Correct Option: B  [ 27 ]

Remark: 8 carpal bones (Wrist).
5 metacarpal bones (Palm).
12 phalanges (Fingers).
02 sesamoid bones at the base of the thumb.
total to 27 bones in each hand.
.
Adult Human Body-206,

The mixture of flammable gases (carbon monoxide and hydrogen) and nonflammable gases (nitrogen and carbon dioxide) is called by what name?

• Laser Star Gas
• Breathing Gas
• Producer Gas
• Laughing Gas
Correct Option: C  [ Producer Gas ]

Remark:

Intestinal bacteria synthesizes which vitamin in the human body?

• Vitamin A
• Vitamin C
• Vitamin D
• Vitamin K
Correct Option: D  [ Vitamin K ]

Remark:

In coriander the useful parts are:

• roots &leaves
• leaves & flowers
• leaves & dried fruits
• flower& dried fruits
Correct Option: C  [ leaves & dried fruits ]

Remark: