Parthenium hysterophorus:

I:	is also called as carrot grass or the gajar grass.
II:	is a common invasive species in India and came as a contaminant with wheat
III:	produces allelopathic chemicals
IV:	produces pollens that are common cause of allergies in humans

1. Only I, II and III are correct
2. Only I, II and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct

Zygogrammabicolorata is:
1. an invasive species in India that has disrupted many aquatic ecosystems
2. a beetle introduced in India to biocontrol carrot grass
3. a very important decomposers in polar regions
4. a threatened species of amphibian in western ghats of India

We all know that water hyacinth is an invasive plant that has caused havoc in many water bodies in our country. But it has some usefulness as well. This includes:
I. Substrate for biogas production
II. Bio cleaning of industrial waters
III. Source of effective antipyretic

Exploring molecular, genetic and species-level diversity for products of economic importance is called as:

World summit on Sustainable Development (2002) was held in
1. Argentina
2. Brazil
3. South Africa
4. Sweden

In a co-evolved highly specific plant-pollinator obligatory mutualism, if one of the members gets extinct, the other most likely:

Identify the incorrectly matched pair:

Identify the incorrectly matched pair:

What is the number of mega-diversity countries in the world?

Match each item in Column I with one in Column II and choose the correct answer from the codes given below:

Codes :