Which of the following is a ripening hormone?

• GA-3
• Auxin
• Cytokinin
• Ethylene
Correct Option: D  [ Ethylene ]

Remark: Ethylene is used for the controlled ripening of citrus fruits, tomatoes, bananas and many other fruits, vegetables and flowers.

Any part of the computer, which can be seen by the eyes and felt by touching, is called:

• Hardware
• Software
• Liveware
• Firmware
Correct Option: A  [ Hardware ]

Remark:

The growth of bacteria is measured by:

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

Remark:

In which direction a rainbow is formed ?

• Above the sun
• Below the sun
• Opposite to the sun
• At the level of the sun
Correct Option: C  [ Opposite to the sun ]

Remark:

Which one of the following is called the 'power house' of the cell ?

• Golgi body
• Mitochondrion
• Ribosome
• Lysosome
Correct Option: B  [ Mitochondrion ]

Remark:

Which of the following is NOT an allotrope of carbon?

• Diamond
• Graphite
• C-60
• Methane
Correct Option: D  [ Methane ]

Remark:

Running water is the source of:

• hydel power
• thermal Power
• nuclear power
• None of the Above
Correct Option: A  [ hydel power ]

Remark:

The nearest planet to the sun is:

• Venus
• Mars
• Mercury
• Jupiter
Correct Option: C  [ Mercury ]

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.

When a moving bus suddenly stops, passengers sitting inside leans forward. This is due to

• Conservation of Mass
• Inertia of rest
• Inertia of Motion
• None of these
Correct Option: C  [ Inertia of Motion ]

Remark: Inertia of motion is defined as the property of a body to resist any change to its state of uniform motion.