WorksheetsTrueYou Workshop Quiz
Total questions: 12
Worksheet time: 12mins
1. A molecule
a) Is the smallest unit of an element.
b) Is made up of two or more atoms.
c) Is made up of identical or different atoms.
d) All a), b) and c) answers are correct.
e) Exactly two answers are correct.
2. An animal cell
a) Is surrounded by a cell membrane.
b) Has a nucleus.
c) Has chloroplasts.
d) All a), b) and c) answers are correct.
e) Exactly two answers are correct.
3. Large biological molecules
a) Include carbohydrates, lipids, proteins, and nucleic acids.
b) Are polymers made up of monomers.
c) May be linear or branched chains.
d) All a), b) and c) answers are correct.
e) Exactly two answers are correct.
4. Which is the best correct answer?
a) Protein is a biopolymer made up of 20 different types of amino acids.
b) RNA is a biopolymer made up of four (4) different types of nucleotides.
c) Carbohydrate is a biopolymer made up of different types of simple sugars.
d) All a), b) and c) answers are correct.
e) Exactly two answers are correct.
5. In an animal cell,
a) DNA is tightly bound to proteins to form chromatin.
b) Chromatin is thicker and more clearly visible than chromosomes.
c) Genes on DNA tightly bound to proteins in chromatin can be expressed.
d) All a), b) and c) answers are correct.
e) All a), b) and c) answers are wrong.
6. In a DNA double helix,
a) Two complementary linear DNA strands base pair with each other.
b) A pairs with U and G pairs with C.
c) The nucleotide sequence or base sequence stores genetic information.
d) All a), b) and c) answers are correct.
e) Exactly two answers are correct.
7. Metabolism
a) Involves chemical reactions that only lead to degradation of metabolites.
b) Involves only hormones to carry out various steps in a metabolic pathway.
c) Produces building blocks, energy, and metabolic wastes to sustain life.
d) All a), b) and c) answers are correct.
e) All a), b) and c) answers are wrong.
8. Which is the best correct answer?
a) DNA makes RNA through the process of translation.
b) RNA is a nucleic acid and contains four (4) monomers: A, C, G, and U.
c) RNA makes protein through the process of transcription.
d) DNA can base pair with RNA, with A pairing with T and G with C.
e) Exactly two answers are correct.
9. Gene expression
a) Refers to transcription, when the genetic information in DNA is changed to RNA.
b) Must always lead to protein production.
c) Cannot be controlled, i.e., cannot be switched on or off.
d) All a), b) and c) answers are correct.
e) Exactly two answers are correct.
10. Which is the best correct answer?
a) A mutation is a heritable change in the genetic material.
b) A base substitution (e.g., G is replaced with T) is a point mutation.
c) A point mutation may involve an addition or deletion of a nucleotide.
d) All a), b) and c) answers are correct.
e) All a), b) and c) answers are wrong.
11. Which is the best correct answer?
a) Genetics is the science of inheritance or heredity.
b) Genomics is the study of an organism’s genome.
c) All genetic profiling tests are for diagnosis and treatment of diseases.
d) All a), b) and c) answers are correct.
e) Exactly two answers are correct.
12. Which is the best correct answer?
a) Lactose intolerance is hereditary in most cases.
b) Lactose intolerance is due to the reduced activity of the enzyme lactase.
c) Lactase breaks lactose down into simpler sugar forms called glucose and galactose.
d) All a), b) and c) answers are correct.
e) Exactly two answers are correct.
