The longest cell in animals is

• Nerve cell
• Hepatocyte (Liver cell)
• Blood cell
• Muscle cell

The digested food is absorbed in

• Stomach
• Intestine (small)
• Intestine (large)
• Colon

Compound microscope has

• two lenses
• requires UV light source
• used to view only dead organisms
• requires large room space

Chiropterochory is a seed dispersal process through

• Birds
• Bats
• Reptiles
• Insects

The exit of food from the stomach is regulated by which muscle

• cardiac
• sphincter
• skeletal
• None of these

The red planet is

• Venus
• Saturn
• Mars
• Neptune

Humidity is a measure of

• pressure in the air
• viscosity of the air
• air resistance
• moisture in air

Which among the following is respiratory pigment in human beings?

• Melanin
• Haemoglobin
• Rhodopsin
• Bilirubin

Which of the following is an example of thermoplastics?

• Bakelite
• Melamine
• PVC
• none of these

As per Bureau of Indian Standards (BIS) for drinking water acceptable limit for total hardness as CaCO3 is

• 100 mg/l
• 200 mg/l
• 300 mg/l
• None of these