WB SSC LIFE SCIENCE (IX-X) QUESTION PAPER -2025 WITH ANSWER AND EXPLANATION. EXAMINATION HELD ON 7TH SEPTEMBER 2025. SEE THE ANSWER AND EXPLANATION AND CHECK YOUR SCORE. 1.Volume of air that can be inspired by maximum effort above the tidal volume is called(A) Expiratory Reserve Volume (ERV)(B) Inspiratory Reserve Volume (IRV)(C) Functional Residual Capacity (FRC)(D) Residual Volume (RV) Answer: (B) Inspiratory Reserve Volume (IRV)Explanation: Tidal Volume (TV): Normal breath (~500 ml). Inspiratory Reserve Volume (IRV): Extra air inhaled with maximum effort after tidal inspiration (~2500–3000 ml). Expiratory Reserve Volume (ERV):…

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