PORTAGE LEARNING- BIOD 101 EXAM QUESTIONS AND 100% CORRECT ANSWERS|2025/2026

PORTAGE LEARNING- BIOD 101 EXAM
QUESTIONS AND 100% CORRECT
ANSWERS|2025/2026
What is matter and what states can it exist in? - ANSWER-
B B B B B B B B B B B



Matter is anything that takes up space, by having volume, and has mass. Can exist in a s
B B B B B B B B B B B B B B B B B



olid, liquid, or gaseous state.
B B B B




Explain the difference between essential and trace elements - ANSWER-
B B B B B B B B B



Essential elements are required for human life. Trace elements are only required in sma
B B B B B B B B B B B B B



ll quantities
B




Describe an ionic bond - ANSWER- B B B B B



formed when ions of molecules of opposite charge are attracted to one another
B B B B B B B B B B B B




Describe a covalent bond - ANSWER- B B B B B



formed when electrons are shared equally between two atoms to complete the valenc
B B B B B B B B B B B B



e shells of both
B B B




Describe a hydrogen bond - ANSWER- B B B B B



formed by electrostatic interactions between molecules- B B B B B



B relatively weak and breaks easily B B B B




True or False: Anions are positive charged ions whereas cations are negatively charged ions. -
B B B B B B B B B B B B B B



ANSWER-
B



False: cations are positively charged ions whereas anions are negatively charged ions
B B B B B B B B B B B




Which of the following is not one of the organic compounds that make up a biomacromolecul
B B B B B B B B B B B B B B B



e; lipids, proteins, ribosomes, or carbohydrates - ANSWER-
B B B B B B B Ribosomes



What are carbohydrates? - ANSWER-
B B B B



Carbohydrates are the primary source of fuel for organisms and have the same three el B B B B B B B B B B B B B B



ements in their structure; carbon, hydrogen, oxygen
B B B B B B