Multiple choice

Which of the following pairs are incorrectly matched?

a. Growth of roots towards the earth - Positive hydrotropism b. Bending of roots towards water - Positive hydrotropism c. Growth of pollen towards the ovule - Positive phototropism d. Winding of tendrills towards the support - Negative thigmotropism

  1. Only a and b

  2. Only a and c

  3. Only b and c

  4. Only c and d

  5. Only b and d

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. Growth of pollen towards the ovule - Chemotropism Winding of tendrills towards the support - Positive thigmotropism This is a wrong option as 'b' is correctly matched.  Bending of roots towards water - Positive hydrotropism Winding of tendrills towards the support - Positive thigmotropism