Science Bowl Practice Questions with Verified Solutions

Science Bowl Practice Questions with Verified Solutions Math; Multiple Choice: If the determinant of a matix is zero, the matix is said to be W.) an Eigen-matrix X.) singular Y.) invertible Z.) Gaussian X.) singular Math; Multiple Choice: Matrix multiplication differs from scalar multiplication in that matrix multiplication is not W.) commutative X.) associative Y.) distributed over addition Z.) well-defined W.) commutative Physics; Multiple Choice: materials that transmit sound easily are W.) non elastic X.) elastic Y.) nonmetallic Z.) metals only X.) elastic Physics; Multiple Choice: the interactions between two waves arriving at the same point at the same time is called W.) refraction X.) reflection Y.) diffraction Z.) interference Z.) interference Biology; MC: the grasslands of South Africa are the W.) velds X.) pampas Y.) steppes Z.) prairies W.) velds Biology; MC: Parasitism is a type of W.) commensalism X.) mutualism Y.) predation Z.) symbiosis Z.) symbiosis Biology; MC: The symbiotic relationship between sea anemones and shrimp is an example of W.) mutualism X.) parasitism Y.) commensalism Z.) competition Y.) commensalism Earth and Space; MC: The largest group of rock-forming minerals consists of the W.) quartzes X.) halides Y.) silicates