Opening and Closing of Stomata Multiple Choice Questions Online pdf eBooks Download

Learn opening and closing of stomata MCQs in biology quiz for test prep. Transport quiz questions has multiple choice questions (MCQ), opening and closing of stomata test as during day, plants keep their. Answer key help with choices as stomata opens, stomata closed, phloem blocked and xylem blocked problem solving for competitive exam, viva prep, interview questions worksheets. Free biology revision notes to practice opening and closing of stomata quiz with MCQs to find questions answers based online 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