11: Which one of the following is NOT radioactive ?
(a) Astatine
(b) Francium
(c) Tritium
(d) Zirconium
12: Snake bite first affects the:
(a) Nervous system
(b) Blood circulation
(c) Brain
(d) Lungs
13: In the context of CO2 emission and global Warming, what is the name of a market driven device under the UNFCC that allows developing countries to get funds/incentives from the developed countries to adopt better technologies that reduce greenhouse gas emissions?
(a) Carbon Footprint
(b) Carbon Credit Rating
(c) Clean Development Mechanism
(d) Emission Reduction Norm
14: To a person on the moon, the sky appears:
(a) White
(b) Black
(c) Blue
(d) Orange
15: Which one of the following agricultural practices is eco-friendly ?
(a) Organic farming
(b) Shifting cultivation
(c) Cultivation of high-yielding varieties
(d) Growing plants in glass-houses