Exam preparation MCQs with answers

Practice Pakistan's most useful MCQs for competitive exams

Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.

Latest MCQs

Which of the following represents osmoregulatory steps taken by hydrophytes?
  • (A)  Increases transpiration by increasing the surface area of the leave.
  • (B)  Small and thick leaves to decrease the surface area proportional to the volume of the leave.
  • (C)  Stomata closing in sufficient supply, and opening in restricted supply of water.
  • (D)  None of these
Formation of heat shock proteins in plants results in___________?
  • (A)  Elevation of temperature in cold conditions.
  • (B)  Embracing the enzymes and other proteins and prevent their denaturation.
  • (C)  Change the chemical nature of other proteins thus making them heat resistant.
  • (D)  Help in evaporative cooling.