MCQ PracticeStructural advantages of tracheae and tracheids includeSubject: BiologyTopic: Plant KingdomAThe short length of vessels or tracheaeBPresence of cross wallsCThe wider cell cavities that facilitate rapid and efficient conductionDBoth A and BCorrect Answer: CPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the