Question

The flowers of crocus and tulips show _______________ (i) Photo tropy (ii) Photo nasty (iii)Thermo nasty (iv) Haplo nasty (v) Nycti nasty

• A. (i) and (ii)
• B. (ii) and (iii)
• C. (iii) and (iv)
• D. (i) and (v)

Answer 1

Answer:

B. (ii) and (iii)

Read Explanation:

Crocus and tulip flowers respond to temperature by closing when the temperature drops. The temperature decrease required for closure is roughly equal to the temperature increase required for opening.

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