BIOLOGY
CHEMISTRY
CLIMATE CHANGE
PHYSICS
RANDOM
100

The most common form of how DNA exists inside a cell

Chromatin

100

How many neutrons would an element with a mass of 18 amu and 7 protons have?

11 

100

The average precipitation in Toronto over the last 67 years is 75 mm/year is an example of weather or climate?

Climate

100

Line used to calculate the angle of incidence

Normal

100

Number of atoms in HCOO2H

6

200
Structure in lungs where gas exchange happens

Alveolus

200

Bond where electrons are shared

Covalent bond

200

Why is fossil fuel burning bad?

It increases the CO2 emissions which trap more heat in Earth

200

The focus on the side of the lens where the object is found is called

Secondary principal focus

200

What type of compound is NaOH?

Polyatomic ionic compound - specifically base

300

Stage of mitosis where chromosomes condense and get attached to microtubules

Prophase

300

What is the name of the compound that is formed with the following ions? Fe2+ and CO32-

Iron (II) carbonate

300

Aside from CO2, give another example of greenhouse gas

methane

300

What happens when the eye is unable to accommodate?

Image does not form at the retina where the focal point should be

300

Type of tissue that supports the body

Connective

400

Reason to replicate DNA prior to cell division

To create identical daughter cells

400

State: 1. evidence of reaction in 2H2O(l) --> 2H2(g) + O2(g) 

2. type of reaction

New substance formed, decomposition

400

Why are northern latitudes colder than the equator?

Sun's radiation is spread over larger distances

400

Which of the following is a slower medium?

water, n=1.78

glass, n= 1.98

glass because n is larger

400

Two conditions for total internal reflection

1. angle of incidence is larger than critical angle

2. light moves from slow to fast medium

500

What holds the DNA strands together to form a double helix?

Complementary basepairing

500

Provide the balanced chemical equation

Sodium metal reacts with chlorine gas to generate a solution of sodium chloride

2Na(s) + Cl2 (g) --> 2NaCl(aq)

500

Which spheres absorb most of sun's radiation?

Lithosphere and hydrosphere

500

A virtual image is formed in a lens when 

the extension of the refracted rays meet on the side of the object

500

Chamber of heart responsible for pumping oxygenated blood into the body

Left ventricle

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