Which of the following statements are correct ? Choose the correct answer from the options given below :
- A, B and D only
- B, C and D only
- A, B and E only
- C, D and E only
Answer
(1) A, B and D only
Solution
A: Cutting and clearing of the Amazon rainforest for soyabean cultivation and pastures is an example of habitat loss ⇒ correct.
B: As per NCERT, Steller's sea cow and passenger pigeon became extinct due to over-exploitation by humans ⇒ correct.
C: The Nile perch introduced into Lake Victoria led to the extinction of more than 200 species of cichlid fish ⇒ incorrect.
D: Water hyacinth ( Eichhornia) is an alien invasive species ⇒ correct.
E: When a species becomes extinct, the plant and animal species obligatorily associated with it also become extinct (co-extinction) ⇒ incorrect.
∴ Correct statements: A, B and D only.
Answer: (1)