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NEET UG · NCERT Biology chapters · Organisms and Populations · Practice

Organisms and Populations

NCERT Class 12 Biology · Shishya practice, NCERT-based

10 questions, picked at random. Each is Shishya's own, written from this part of the NCERT chapter and answer-checked — not NCERT's text and not a NEET previous-year question. Read the chapter first; the explanation shows after each answer.

Question 1 of 10

Medium

When all starfish Pisaster were removed from an enclosed intertidal area on the American Pacific Coast, what happened?

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