Question : ______ are also known as heat waves.

Option 1: Infrared waves

Option 2: Gamma rays

Option 3: Light waves

Option 4: X-rays

Question : Blood group was discovered by:

Option 1: William Harvey

Option 2: Landsteiner

Option 3: Pavlov

Option 4: Alexander Fleming

Question : Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength.

Option 1: Microwave, infrared, visible, X-rays

Option 2: X-rays, visible, infrared, Microwave

Option 3: Visible, infrared, microwave, X-ray

Option 4: X-rays, infrared, visible, microwave

Question : What is the value of $\frac{x^2-x-6}{x^2+x-12}÷\frac{x^2+5x+6}{x^2+7x+12}$?

Option 1: $1$

Option 2: $\frac{(x-3)}{(x+3)}$

Option 3: $\frac{(x+4)}{(x-3)}$

Option 4: $\frac{(x-3)}{(x+4)}$

Question : Which of the following tests helps in diagnosis of cancer ?

Option 1: Urine test

Option 2: Blood test

Option 3: Biopsy

Option 4: X-Ray