The isotope used for the production of atomic energy is:

• U-235
• U-238
• U-234
• U-236
Correct Option: A  [ U-235 ]

Remark:

The waves which can propagate even through the vacuum,are called __________.

• Mechanical waves
• Reverse waves
• Inverted waves
• Electromagnetic waves
Correct Option: D  [ Electromagnetic waves ]

Remark:

The longest day in the southern Hemisphere is on :

• 22nd December
• 21st June
• 21st March
• 23rd September
Correct Option: A  [ 22nd December ]

Remark:

Which of the following is not a property of heavy water ?

• Boiling point of heavy water is lower than that of ordinary water
• density of heavy water is higher than that of ordinary water
• freezing point of heavy water is higher than that ordinary water
• it produces corrosion
Correct Option: A  [ Boiling point of heavy water is lower than that of ordinary water ]

Remark:

"Seahorse" is a:

• Mammal
• Plant
• Fish
• None of the above
Correct Option: C  [ Fish ]

Remark: Seahorse (Hippocampus) is a tiny fish that named for the shape of its head, which looks like the head of a tiny horse. There are at least 50 species of seahorses.

Lens is made up of:

• pyrex glass
• flint glass
• ordinary glass
• cobalt glass
Correct Option: B  [ flint glass ]

Remark:

Which part is modified as the tusk of elephant?

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

Remark:

A man inside a moving train tosses a coin, the coin falls behind him. The train is moving:

• forward with a uniform speed
• backward with a uniform speed
• forward with deceleration
• forward with acceleration
Correct Option: D  [ forward with acceleration ]

Remark:

Which is the largest part of the human brain ?

• Medulla Oblongata
• Cerebellum
• Cerebellum
• none of them
Correct Option: C  [ Cerebellum ]

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,