The Microbes used in baking industry is ________?

A. Penicillin
B. Yeast
C. Water
D. None of these

_______________ causes biomagnification problem in the Ecosystem.

A. Lead
B. Mercury
C. Chromium
D. Copper

What would you find in a Vivarium?

A. Microorganisms
B. Animals
C. Humans
D. None of these

The light rays used for eliminating bacteria?

A. X-rays
B. Infrared rays
C. Microwave radiation
D. Ultra-violet radiation

The term “white coal” sometimes referred to which of the following?

A. Geothermal electricity
B. Wind energy
C. Hydroelectricity
D. Biomass energy

Who was the first to measure the earth’s circumference?

A. Eratosthenes
B. Galileo
C. Copenicus
D. Ptolemy

Which one of the following clouds is found at the highest level in the atmospher?

A. Stratus
B. Cumulus
C. Stratocumulus
D. Cirrus

Which of the following in human body is involved in controlling blood sugar level?

A. Pitutary glands
B. Islets of langerhans
C. Hypothalamus
D. Spleen

What is the number of known crystalline phases of water ________?

A. 4
B. 8
C. 17
D. 18

Which one of the following is not a plant product?

A. Caffeine
B. Nicotine
C. Piperine
D. Saccharin