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Chapter 2 Organic Basis of Life

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

Negatively charged particle of the atom

a)

neutron

b)

electron

c)

positron

d)

negatron

2.

Atoms are NOT reactive when this is fulfilled

a)

all atoms are reactive at all times

b)

the octet rule

c)

the law of stability

3.

This bond is an example of what kind?

a)

ionic

b)

isotonic

c)

covalent

d)

hydrogen

4.

The ion potassium (K+) is a(n)

a)

cation

b)

anion

5.

When two or more atoms, ions, or molecules bond to form a more complex structure

a)

synthesis

b)

decomposition

c)

exchange reaction

d)

None of the above

6.

Bases release ions when combined with ______

a)

salt

b)

sodium ions

c)

hydrogen ions

7.

A chemical has a pH of 2. What does that mean?

a)

it's highly basic

b)

it's highly acidic

c)

It's slightly acidic

d)

none of the above

8.

What molecule is this?

a)

A disaccaride

b)

a triglyceride

c)

a phospholipid

d)

a nucleotide

9.

What kind of protein structure is this?

a)

secondary

b)

teritary

c)

primary

d)

quaternary

10.

What's a carbohydrate on a molecular level?

a)

primarily made of carbon, hydrogen, and oxygen on a 1:2:1 ratio

b)

a complex structure with rings of carbon

c)

a non-polar organic molecule with fatty acid tails

d)

composed of chains of nucleotides

11.

I want to test if my food has protein in it. What test would I use in the lab?

a)

Benedict's

b)

Lugol's

c)

Biuret