Test: Evaporation And Condensation


5 Questions MCQ Test Science Class 9 | Test: Evaporation And Condensation


Description
This mock test of Test: Evaporation And Condensation for Class 9 helps you for every Class 9 entrance exam. This contains 5 Multiple Choice Questions for Class 9 Test: Evaporation And Condensation (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Evaporation And Condensation quiz give you a good mix of easy questions and tough questions. Class 9 students definitely take this Test: Evaporation And Condensation exercise for a better result in the exam. You can find other Test: Evaporation And Condensation extra questions, long questions & short questions for Class 9 on EduRev as well by searching above.
QUESTION: 1

Transpiration from the leaves of trees is an example of:

Solution:

Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. Transpiration is essentially evaporation of water from plant leaves.

QUESTION: 2

Natural phenomenon like fog, mist or frost are caused due to:

Solution:

Fog, mist or frost are due to condensation, depending upon the physical conditions of atmosphere.

QUESTION: 3

Which statement regarding the effect of humidity on evaporation is correct?

Solution:

Humidity refers to presence of vapour in air. So, if humidity increases then the rate of evaporation decreases as vapours in air are already present.

QUESTION: 4

Vaporization starts at __________ point.

Solution:

At Bubble point liquid starts evaporating which is the point at which vaporization starts.

QUESTION: 5

Mixture containing ions, atoms and electrons is known as

Solution:

Mixtures containing ions, atoms and electrons are known as plasma. A Plasma is an ionized gas in which sufficient energy is provided to free electrons from atoms or molecules to allow both ions and electrons to coexist. Plasma is the fourth state of matter.

Related tests