MCQs on Invasive Species & India's Biodiversity

1.

The 'precautionary principle' in the context of invasive species suggests:

A Allowing introduction if potential harm is uncertain

B Taking preventive measures even with incomplete scientific certainty of harm

C Waiting for definitive proof of damage before acting

D Focusing only on species that have already caused significant damage

2.

Effective management of invasive species requires:

A A single agency responsible for all aspects

B Coordination among various government departments, research institutions, and local communities

C Focusing only on eradication after establishment

D Reliance solely on natural predators

3.

Which of the following is a crucial component of an enhanced national strategy against invasive species?

A Ignoring early detection and rapid response

B Strengthening border control and quarantine measures

C Promoting the introduction of new alien species

D Reducing public awareness campaigns

4.

Invasive alien species can impact India's biodiversity by:

A Enhancing native species populations

B Reducing competition for resources

C Outcompeting native species for resources and habitat

D Improving ecosystem stability

5.

Which of the following invasive alien species poses a significant threat to India's freshwater ecosystems?

A Prosopis juliflora

B Lantana camara

C Water Hyacinth (Eichhornia crassipes)

D Parthenium hysterophorus

6.

Which of the following is a major pathway for the introduction of invasive alien species into India?

A Natural migration across borders

B International trade and travel

C Government-led conservation programs

D Indigenous species adaptation

Environment & Ecology MCQs - 2026-05-04