Question

When certain exotic species is introduced accidentally into a new geographic area, then which of the following is more likely to happen?

• A. Exotic species spread slowly.
• B. Exotic species start spreading rapidly.
• C. Exotic species perish very soon.
• D. Exotic species population remains stable.

Hint:

Without natural predators and competitors, an exotic species usually spreads rapidly.

Answer 1

The Correct Option is B

Step 1: Understanding the Concept
An exotic species brought to a new area may escape the checks which controlled it at home.

Step 2: Effect
With no natural predators, parasites or competitors, it multiplies fast and becomes invasive, as with Parthenium, Lantana and water hyacinth.

Step 3: Conclusion
The exotic species starts spreading rapidly.

Final Answer:
The exotic species is likely to start spreading rapidly. \[ \boxed{\text{(B) }\text{Exotic species start spreading rapidly}} \]