Question

Which of the following characteristics is common in leech, mosquito, bed bug and rat?

• A. All have anticoagulatin
• B. All have RNA as their genetic material
• C. All have no cellular membrane
• D. All have sexual phase

Answer 1

The correct option is D All have sexual phase

Leeches are hermaphrodites in most of the species. In some of leech species, younger adults function as males and become females at maturity. All have well-developed gonads and copulate. Mosquito also undergoes several sexual phase ans gets transformed into various different forms. Male bed bug can inseminate the female and have sexual phase in their life cycle. Rats reproduce sexually and have the sexual phase.
Thus, the correct answer is option D.