Question

To some extent viability of pollen grains depends on prevailing temperature and humidity.

• A. True
• B. False

Answer 1

The correct option is A True

• The period for which pollen grains remain viable is highly variable and to some extent depends on the prevailing temperature and humidity.
  
• The pistil is developed and ovules reach maturity before the pollen grains are ripe. Hybrid seed production as soon as tomato hybrid cultivars gained popularity, ordinary conditions of storage pollen viability can hardly be retained.