Water -Elixir of life

1. Water is also referred to as?

• (A) Universal solvent

• (B) Universal liquid

• (C) Universal indicator

• (D) Universal coolant

2. During the change in the state of water there is a change in which amongst the following?

• (A) Temperature

• (B) Texture

• (C) Colour

• (D) None of the above

Which of the following is less dense than water?

• (A) Oil

• (B) Stone

• (C) Sand

• (D) Iron nail

4. The conversion of water from the gaseous to the liquid state is called as?

• (A) Combination

• (B) Condensation

• (C) Cooling

• (D) Melting

5. Which amongst the following is not a reliable source of water for farmers?

• (A) River water

• (B) Under ground water

• (C) Sea water

• (D) Rain water

The total number of elements present in water is?

• (A) 2

• (B) 4

• (C) 3

• (D) 1

The maximum portion of the earth is covered by

• (A) River water

• (B) Ocean water

• (C) Spring water

• (D) Equally distributed as a & b

The amount of water contributed by plants towards water cycle is referred to as?

• (A) Translocation

• (B) Transpiration

• (C) Transportation

• (D) None of the above

Which of the following biological activities require water for the survival of human beings?

• (A) Excretion

• (B) transportation of nutrients

• (C) Regulation of body temperature

• (D) All of the above

The state of water which occupies the maximum volume is.

• (A) Solid

• (B) Liquid

• (C) Vapor

• (D) Semi – solid