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 of the following contains maximum carbon dioxide ?

• Grasslands
• Forests
• Oceans
• Agroecosystems
Correct Option: C  [ Oceans ]

Remark:

Which of the following statements is correct ?

• Protons are negatively charged and are present in the nucleus
• Electrons are positively charged and are present in the nucleus
• Electrons are negatively charged and are present in the orbits
• The entire mass of atom is distributed in the orbits
Correct Option: C  [ Electrons are negatively charged and are present in the orbits ]

Remark:

Adult Filaria worms live in human:

• Blood
• Lymphatics
• Liver
• Intestine
Correct Option: B  [ Lymphatics ]

Remark:

1 Gigabyte (GB) is equal to:

• 1024 bytes
• 1024 KB
• 1024 MB
• 1024 TB
Correct Option: C  [ 1024 MB ]

Remark:

Which of the following cell organelles is referred to as the 'suicidal bags' or 'disposal units' ?

• Lysosome
• Peroxisomes
• Glyoxisomes
• Mtochondria
Correct Option: A  [ Lysosome ]

Remark:

A CD-ROM is a kind of:

• Optical disk
• Magnetic disk
• Fibre disk
• None of these
Correct Option: A  [ Optical disk ]

Remark:

Humidity is a measure of

• pressure in the air
• viscosity of the air
• air resistance
• moisture in air
Correct Option: D  [ moisture in air ]

Remark:

If a liquid is heated in space under no gravity, the transfer of heat will take place by process of:

• conduction
• convection
• radiation
• cannot be heated in the absence of gravity
Correct Option: C  [ radiation ]

Remark:

Which is the largest part of the human brain ?

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

Remark: