Science Quiz - Are you scientifically literate! - 20 Nov 2014

1. Elements essential for the growth of plants include _____________________.
[A]Potassium
[B]Nitrogen
[C]Phosphorus
[D]Nitrogen, Potassium and Phosphorus


2. In both monocots and dicots, xylem and phloem cells are produced in a meristematic zone called the ______________________.
[A]Zone of elongation
[B]Vascular Cambium
[C]Apical meristem
[D]Quiescent zone


3. What is the main function of the excretory system?
[A]Get rid of waste products from your cells
[B]To excrete saliva
[C]Break down food for digestion
[D]Circulate oxygen


4. Which of the folllowing is an example of waste product?
[A]Unhealthy food
[B]Pizza
[C]Extra water and salts
[D]Fruits and vegetables


5. ________________ is not an organ of the excretory system.
[A]Liver
[B]Kidneys
[C]Skin
[D]Heart