These are similar to the questions that will be on the first lecture test.

1).	Which of the following refers to the function of plants?
	a)  genetics    b)  anatomy    c) physiology    d) classification


2).	What is an element? _______________________________________________

	
3).	What is the chemical symbol for Potassium ?  ___________


4).	Which particle in the atom has a negative electrical charge?
	a)  proton        b) gluon        c) neutron        d) electron


5).	A water molecule ( H2O ) has the atoms joined by ___ bonds :
	a) covalent       b) ionic        c) ironic        d) none of these


6).	The maximum number of electrons in the second shell of an atom is:
	a)  2        b)  4        c) 8        d) 10        e) 16


7).	Corn is in the genus:
	a) Commelinales        b) Poaceae	c) Zea        d) mays


8).	The four bases in DNA are: Adenine, Thymine, __________ and _________


9).	A molecule of fat (triglyceride) consists of  _______________________

        joined to three  ____________________


10).	Plants respond to light, water, touch and __________________.


11).	What are two uses of radioactive atoms apart from tracking chemicals
	in the body? 
	_____________________________________________________________________


12).	What are two differences between DNA and RNA molecules?
	DNA : _________________________________________________________

	RNA: __________________________________________________________


13).	Write down the chemical formula of glucose: ______________________
	

14).	What is the maximum number of chemical elements in living things ?
	a) 8        b)  16        c)  25        d)  4        e) 92


15).	What is a disadvantage of a light microscope?
	_____________________________________________________________________


16).	A scientific idea that has been supported by many experiments is a(n):
	a) variable    b) theory    c) hypothesis    d) observation


17).	Why are experiments designed to disprove the hypothesis?

	__________________________________________________________________


18).  	Which two chemicals make up cell membranes?
	___________________  and ____________________


19).  	Which part of the cell produces ribososomes?
	a) Rough ER    b) Dictyosomes    c) nucleolus    d) vacuoles


20).  	Why do plants store poison in their vacuoles?

	_____________________________________________________________________

21).	DNA replication occurs during:
	a) prophase    b) anaphase    c) interphase    d) metaphase 


22).	What does "cytokinesis" mean? ________________________________


23).  	Which chemical below would you not find in a phosholipid?
      	a) C            b) O            c) H            d) N


24).  	A gametophyte is a __1__ plant that produces gametes by __2__.
	a) haploid ; meiosis		b) diploid ; meiosis
	c) haploid ; mitosis		d) dilpoid ; mitosis


25).  	How many different amino acids are there?
      	a) 25           b) 20           c) 16          d) 6           e) 4