Basic General Knowledge
Nowadays many novel chemicals are being synthesized termed as xenobiotics. The unique feature of these is what they are I.biodegradable II.non- biodegradable III.pose on environmental threat IV.they are environment friendly

I, III, IV
II, III, IV
II, III
I, III

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Basic General Knowledge
What is the purpose of 'United Nations Conference on Trade and Development' (UNCTAD)?

Promotes International Monetary co-operation & expansion of International Trade
Set rules for World Trade
Promotes International Trade with a view to accelerate economic growth of developing countries
None of these

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