91. Unit of environment:
a) Biotic
b) Abiotic
c) Ecosystem
d) Ecology
92. Blood Group is identified by?
a) Antigen
b) Antidote
c) Protein
d) Hemoglobin
93. Lightning bulb made up of:
a) Nickel
b) copper
c) Aluminum
d) Tungsten
94. Metal that remains liquid at room temperature:
a) Mercury
b) Gellium
c) Francium
d) Bromine
95. Electricity invented by:
a) Thomas Edison
b) Nikola Tesla
c) Benjamin Franklin
d) Michael Faraday
96. The study of Insect is called:
a) Anthropology
b) Entomology
c) Ornithology
d) Geology
97. Study of interaction of living organisms with other organisms and their environment relates with:
a) Botany
b) Ecology
c) Social biology
d) Pharmacology
98. Which of the following components is rich in fat:
a) Banana
b) Butter
c) Milk
d) None of these
99. CNG burns less efficient than which gas:
a) Butane
b) Propane
c) Methane
d) Hydrogen
100. Water has maximum density at:
a) 0°C
b) 1°C
c) 4°C
d) None of these
