Question

Most of the desert plants bloom during night time because

• A. Their blooming is controlled by low temperature
• B. The desert insects eat away flowers during daytime
• C. They are sensitive to the phases of moon
• D. The desert insects are active during night time

Answer 1

The correct option is D The desert insects are active during night time

Association between insects and flowers

• Due to the low temperature of desert during night time, insects and other desert animals become active during this spell.
• These insects then initiate pollination of flowers during the night.
• Hence, blooming during night confers advantage to the desert plants.

Final answer
(d) The desert insects are active during night time