Pair of Linear Equations in Two Variables A pair of linear equations in two variables can be represented as:a)ax2+by+c=0ax^2 +…
Polynomials A polynomial of degree 1 is called:a) Linear polynomialb) Quadratic polynomialc) Cubic polynomiald) None of theseAnswer: aA polynomial of…
Real Numbers Euclid's division algorithm helps in determining:a) LCMb) HCFc) Square rootd) Cube rootAnswer: bWhich of the following is not…
Arithmetic Progressions What is the common difference of the AP: 3, 7, 11, 15, ...?a) 2b) 3c) 4d) 5Answer: cWhich…
Our Environment What is an ecosystem?a) A collection of only animals in a regionb) A system where living and non-living…
Magnetic Effects of Electric Current What happens when an electric current passes through a metallic conductor?a) It produces heatb) It…
Electricity 1. What is the SI unit of electric current?A) VoltB) AmpereC) OhmD) CoulombAnswer: B) Ampere2. Which instrument measures electric…
The Human Eye and the Colorful World What is the transparent bulge on the front surface of the eyeball called?a)…
Light Reflection and Refraction What is the principal focus of a concave mirror?a) The point where parallel rays convergeb) The…
Heredity 1. What is heredity?a) The process of creating DNAb) The transmission of traits from one generation to the nextc)…