Q: Fermat's principle states that what will always take the path that takes the least amount of time? Choices: - sound - wind - electricity - light A:
light

(Question)
Q: Energy comes in discrete packages called what? Choices: - quasar - quota - quasi - quanta A:
(Answer)
quanta

Ques: Q: Receptors for what chemical messengers recognize molecules with specific shapes and side groups, and respond only to those that are recognized? Choices: - acids - chromosomes - enzymes - hormones A:
Ans: hormones

(Q).
Q: Insect wings are part of the exoskeleton and attached to the what? Choices: - neck - head - spines - thorax A:
(A).
thorax

Ques:Q: Which theory is the idea that the characteristics of living organisms are controlled by genes, which are passed from parents to their offspring? Choices: - species theory - evolution theory - fossil theory - gene theory A:

Ans:gene theory

Q: In physics, the number of waves that pass a fixed point in a given amount time is referred to as what ? Choices: - combination frequency - wave count - creation frequency - wave frequency A:
wave frequency