FREE AND STUDY GAMES ABOUT BIO EXAM QUESTIONS

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FREE AND STUDY GAMES ABOUT BIO EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -32 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: sharing of pair of electrons- molecules

Answer:

covalent

Question 2: substances that release hyrdoxiode ions when dissolved in water

Answer:

bases

Question 3: organisms that break down complex compounds and dead tissue

Answer:

decomposers

Question 4: the concentration of hydrogen ions in a solution

Answer:

pH

Question 5: the special role and place of an organism within its habita is its

Answer:

niche

Question 6: minimum amounts of energy required for reactants to form products

Answer:

activation energy Question 7: pure substances which cannot be broken down into other substances by ordinary chemicals

Answer:

element

Question 8: pure water is

Answer:

neutral Question 9: group of similar organisms that can breed and produce fertile offspring

Answer:

speicies Question 10: particular environment to which a particular species is adapted is its

Answer:

habitat Question 11: as group of ecosystems that share similar climates and typical organisms.

Answer:

biomine

Question 12: two or more elements chemically combined

Answer:

compound

Question 13: substances that release hydrogen ions when dissolves in water

Answer:

acid

Question 14: all the living and nonliving things in a selected area form a

Answer:

ecosystem

Question 15: substance that lowers energy needed to start a chemical reaction

Answer:

catalyst

Question 16: acids and bases are key substances in

Answer:

biology

Question 17: an animal that eats both plants and animals

Answer:

omnivore

Question 18: bases (ions)

Answer:

OH- ions

Question 19: acids (ions)

Answer:

H+ ions

Question 20: basic unit of matter

Answer:

atoms

Question 21: animals that feed only on dead organisms are

Answer:

scavengers

Question 22: all life on earth

Answer:

biosphere

Question 23: members of a single species that occupy a common area form an

Answer:

population Question 24: macro molecules that contain nitrogen as well as carbon, hydrogen and oxygen

Answer:

protien Question 25: atoms of the same element that differ in the number of neutrons they contain.

Answer:

isotopes

Question 26: transfer of electrons- ions

Answer:

ionic

Question 27: protein that is a biological catalyst

Answer:

enzyme

Question 28: made up of atoms

Answer:

matter