Which of the following statement(s) is incorrect?

The following graph represents variation of boiling point with composition of liquid and vapours of binary liquid mixture. The graph is plotted at constant pressure. Which of the following statement(s) is incorrect. Here X & Y stands for mole fraction in liquid and vapour phase respectively.

The following graph represents variation of boiling point with composition of liquid and vapours of binary liquid mixture. The graph is plotted at constant pressure. Which of the following statement(s) is incorrect. Here X & Y stands for mole fraction in liquid and vapour phase respectively.

The following graph represents variation of boiling point with composition of liquid and vapours of binary liquid mixture. The graph is plotted at constant pressure. Which of the following statement(s) is incorrect. Here X & Y stands for mole fraction in liquid and vapour phase respectively.

For a reaction P + Q to 2R + S . Which of the following statements is incorrect?

For a reaction P + Q to 2R + S . Which of the following statements is incorrect?

Which of the following statement(s) are incorrect ?

Which of the following statement(s) are incorrect:- ltbr (A) A given species may occupy more than one trophic level in the same ecosystem (B) Pyramid of energy is always upright (C) Succession and evolution would have been antiparallel process (D) Primary succession is faster than secondary succession