Question

Which of the following pair is proper for plant movement?

• A. Thermotaxis - Chlamydomonas
• B. Thigmotaxis - Zoospore in Oedogonium
• C. Rotation movement - Cytoplasm in Tradeschantia anther
• D. Chemotaxis - Zoospore of Volvox

Answer 1

The correct option is B Thigmotaxis - Zoospore in Oedogonium

Movement of plant in response to heat is called as thermotaxis. Movement of plant in response to a touch stimulus is called as thigmotaxis. Example include zoospore in Oedogonium. Movement of plant in response to external chemical is called as chemotaxis. Movement of plant in response to light is called as phototaxis. Chlamydomonas shows phototactic movement.

Thus, the correct answer is 'Thigmotaxis - Zoospore in Oedogonium.'