Opening and Closing of Stomata MCQs Test and Answers pdf Download

Practice opening and closing of stomata MCQs and biology for test prep and learning. Free transport notes has multiple choice questions (MCQ) with opening and closing of stomata quiz as during day, plants keep their with answering options stomata opens, stomata closed, phloem blocked and xylem blocked for exam preparation. Study to learn opening and closing of stomata quiz with MCQs to find questions answers based online tests.

MCQs on Opening and Closing of Stomata

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