The Pauli’s Exclusion Principle states that only a maximum of _____ electrons can occupy each orbital and they must have _____ spins to minimize repulsion between them.

• Two; same

• Two; opposite

• Eight; same

• Eight; opposite

 What is the correct order of systemic circulation starting from the different parts of the body, lungs, and back to the body?

• 1. Superior and inferior vena cava, right atrium, right ventricle, lungs, left atrium, left ventricle, aorta, body

• 1. Superior and inferior vena cava, left atrium, left ventricle, lungs, right atrium, right ventricle, aorta, body

• 1. Superior and inferior vena cava, left ventricle, right ventricle, lungs, left atrium, left atrium, aorta, body

• 1. Superior and inferior vena cava, right atrium, left ventricle, lungs, left atrium, right ventricle, aorta, body

 Since O is a recessive allele for blood type, how can a person be of type-O blood?

• If a child gets O-alleles from both parents.

• If a child gets both AB from either parent.

• If a child gets the A-allele from the mother and B-allele from the father.

• If a child gets the O-allele from the mother and B-allele from the father.

Arbhey wanted to find out which numbers are read properly in the plane mirror by placing a number chart in front of it. Which numbers do you think will be read properly?

• 0, 1, 6, 8 and 9

•  0, 1, and 6

• 6 and 9

• 1.  0 and 8

What is the difference among cyclones, hurricanes, and typhoons?

• 1. Typhoons are faster than cyclones but slower than hurricanes.

• 1. Cyclones are bigger than hurricanes but smaller than typhoons.

• 1. Hurricanes are stronger than cyclones but weaker than typhoons.

• 1. Cyclones, hurricanes, and typhoons occur in different geographical areas

An ion has a charge of -3. What can you say about this ion?

• it gained 3 electrons      

• it gained 3 protons 
  

• it lost 3 electrons 

• it lost 3 protons

How will you describe the cells that result from meiosis II?

• two new genetically identical cells

• four new genetically identical cells 

• two new genetically different cells

• four new genetically different cells

 What happens to the particles of a substance when its temperature increases?

•  the number of particles in it increases.

•  the average velocity of its particles increases

• the average potential energy of particles decreases

• the average kinetic energy of its particles decreases

Which shows the correct order in the following atomic orbitals?

• f orbital, d orbital, p orbital, s orbital

• p orbital, f orbital, s orbital, d orbital

• s orbital, d orbital, f orbital, p orbital

• s orbital, p orbital, d orbital f orbital

MgBr2 is the chemical formula for magnesium bromide. What does the number “2” in the formula mean?

• 1. Bromine has 2+ charge.

• 1. Bromine has 2- charge.

• 1. There are 2 Bromine ions in every magnesium ion.

• 1. There are 2 Magnesium ions in every bromine ion.