Ques: Q: Different colors of light differ in terms of which important attribute? Choices: - lenses - prisms - frequencies - wavelengths A:
Ans: wavelengths

Ques: Q: What happens when development of nervous system is disturbed? Choices: - vascular disorders - muscular disorders - neurochemical disorders - neurodevelopmental disorders A:
Ans: neurodevelopmental disorders

Ques: Q: The major salivary enzyme is called? Choices: - synthase - mucosa - sucrase - amylase A:
Ans: amylase

Ques: Q: What has the burning of fossil fuels increased in the atmosphere? Choices: - ozone - oxygen - temperature - carbon dioxide A:
Ans:
carbon dioxide