PBIO Exam 1 Answers 100% correct 2023

Which of the following are the most common chemical elements in the molecules of life? correct answersa) carbohydrates, proteins, lipids, and nucleic acids b) water, carbohydrates, proteins, and lipids *c) carbon, hydrogen, oxygen, and nitrogen d) cells, tissues, organs, and ecosystesm Which cell type is incorrectly paired with its tissue system? correct answers*a) companion cell -- ground tissue b) trichome -- dermal tissue c) parenchyma -- ground tissue d) stomata -- dermal tissue The plant tissues which provide the plant with physical support are the: correct answersa) apical meristem and vascular cambium b) epidermis and phloem c) parenchyma and cork cambium *d) scelerenchyma and collenchyma A bell pepper is a... correct answersa) flower *b) fruit c) stem d) leaf Plants can be categorized based on the type of leaf venation (i.e. parallel vs. net). What tissue type do the leaf veins represent? correct answersa) dermal *b) vascular c) ground