Opening and Closing of Stomata MCQs Quiz Worksheet PDF Download

Learn opening and closing of stomata MCQs, biology test for online course learning and test prep to practice. Transport quiz questions has multiple choice questions (MCQ), opening and closing of stomata test to learn for online science course test.

Biology practice test MCQ on during day, plants keep their with options stomata opens, stomata closed, phloem blocked and xylem blocked problem solving skills for competitive exam, viva prep, interview questions with answer key. Free biology revision notes to learn opening and closing of stomata quiz with MCQs to find questions answers based online learning tests.

MCQs on Opening and Closing of Stomata Quiz PDF Download

MCQ. During day, plants keep their

  1. stomata opens
  2. stomata closed
  3. phloem blocked
  4. xylem blocked

A

MCQ. Inner side of guard cells is

  1. rough
  2. straight
  3. concave
  4. convex

C

MCQ. Outer side of guard cells is

  1. concave
  2. convex
  3. rough
  4. none of the above

B

MCQ. Number of guard cells of stoma are

  1. ten
  2. two
  3. four
  4. eight

B

MCQ. Ions that flows back to guard cells from epidermal cells at end of day are

  1. potassium ions
  2. magnesium ions
  3. phosphorus ions
  4. Sulphur ions

A