Question : Which of the following statements is incorrect?

Option 1: Metals react with oxygen to form basic oxides

Option 2: Non-metals are malleable

Option 3: Non-metals do not produce any sound

Option 4: Metals have low ionisation enthalpy

Question : Which of the following elements is used in the manufacture of fertilisers?

Option 1: Fluorine

Option 2: Potassium

Option 3: Lead

Option 4: Aluminium

Question : For a country having an inflationary situation, which of the following statements is incorrect?

Option 1: The cost of living rises.

Option 2: Profit rises faster than wages.

Option 3: The value of money falls.

Option 4: The country's exports become more competitive.

Question : Biomagnification implies

Option 1: Toxic matters are magnified

Option 2: Living beings are magnified

Option 3: Light is magnified

Option 4: Food is magnified

Question : Choose the word that can substitute the given group of words.
A living organism that steals nourishment from other living beings.

Option 1: Vector

Option 2: Parasite

Option 3: Insect

Option 4: co-dependent