★ Biology Quiz
the cells in plant leaf are impermeable , due to the presence of …….. substance.
A. cutin
B. cellulose
C. lignin
D. suberin
Select your answer:
Topics:
Organization of Systems Physical Activity Teeth & Microbes Genetics and Censorship Biology Genetics Vocabulary Integumentary System Medical Terminology Hygiene and Nutrition Bacteria and Protist Review Human Brain Diabetes Pathophysiology Cardiovascular Med Terms Psychopathology Medicine Clinics Phlebotomy Medical TerminologyOther quiz:
Circulatory System › ViewTubes that carry blood to the heart
A. Arteries
B. Veins
C. Capillaries
D. Coronary arteries
Disease Outbreak and Transmission › View
What type of transmission is this? The spray of droplets during coughing and sneezing spreads infectious disease.
A. droplet spread
B. person to person
C. food and drinking water
D. insect bites