DNA, Inheritance and Evolution Quiz

In DNA, Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Which 2 molecules forms the sides (backbone) of the DNA ladder?

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• sugar and the nucleus
• deoxyribose (sugar) and phosphate

What is responsible for holding the two strands of the DNA double helix together?

• hydrogen bonds
• alleles
• London dispersion forces
• deoxyribose sugars

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

Nucleotides are made up of a sugar, phosphate, and..?

• nitrogenous base
• nucleic acid
• cholesterol
• fatty acid

Which of the following statements best explains

the Theory of Natural Selection?

• Acquired characteristics of parents can be passed on to offspring.

• Organs that are not used may disappear, while organs that are constantly used may develop.

• In nature, the organism with desirable characteristics may survive, while those with weaker traits may not.

• Organisms develop desirable structures to survive in a given environment.

Which of the following statements explains

Lamarkc,s Theory of Use and Disuse?

• Body structures develop because of mutation.

• Body structures develop because they are not in use.

• Body structures develop because of competition.

• Body structures develop because they are used extensively.

He proposed a Theory of Evolution based on Natural Selection.

• Jean Baptiste De Lamarck

• Jean Baptiste De La Salle

• Charles Darwin

• Charles Marvin