BIO101 CERTIFICATION EVALUATION TESTED QUESTIONS WITH FULL SOLUTION GUIDE

BIO101 CERTIFICATION EVALUATION
TESTED QUESTIONS WITH FULL SOLUTION
GUIDE

●● Which is not a requirement for natural selection to occur?
A) Random mating
B) Competition for limited resources
C) Variation in the offspring
D) Unequal reproductive success
Answer: A


●● Which of the following could accept one (and only one) electron?
A) carbon (atomic number = 6)
B) nitrogen (atomic number = 7)
C) oxygen (atomic number = 8)
D) hydrogen (atomic number = 1)
Answer: D


●● What is the maximum number of single covalent bonds a carbon
atom (atomic number 6) can form with other elements?
A) 1
B) 2

,C) 3
D) 4
Answer: D


●● The functional group -NH2 is called the ________ group.
A) methyl
B) alcohol
C) amino
D) carboxyl
Answer: C


●● Which combination describes the plasma membrane?
A) Hydrophilic interior, hydrophobic exterior
B) Hydrophilic interior and exterior
C) Hydrophobic interior, hydrophilic exterior
D) Hydrophobic interior and exterior
Answer: C


●● Identify the substrate in the following reaction: Sucrose → Fructose
+ Glucose
A) Sucrose
B) Fructose

, C) Glucose
D) Fructose and glucose
Answer: A


●● The elements that make up the bulk of the Human body are...
A) Carbon, Water and Nitrogen
B) Carbon, Hydrogen, Oxygen and Nitrogen,
C) Carbon, Helium, Oxygen, Nitrogen and
D) Carbon, Oxygen, Nitrogen and Iron
Answer: B


●● The earth's crust and Human bodies are made of the same elements
in similar amounts.
True
False
Answer: False


●● In chemical bonding, when the bonded atoms share electrons, it is
specifically called ________.
A) an ionic bond
B) a covalent bond
C) a hydrogen bond
D) a polar bond