PTE Reading Test 4 (Multiple-choice, Choose Multiple Answer)- Practice Sample

Multiple-choice Choose Multiple Answer – Read the text and answer the multiple-choice question by selecting the correct response. You will need to select more than one response.

PTE Reading – Multiple-choice Choose Multiple Answer

Read the following passage and answer question #1.

The difference between a liquid and a gas is obvious under the conditions of temperature and pressure commonly found at the surface of the Earth. A liquid can be kept in an open container and fills it to the level of a free surface. A gas forms no free surface but tends to diffuse throughout the space available; it must therefore be kept in a closed container or held by a gravitation field, as in the case of a planet’s atmosphere. The distinction was a prominent feature of early theories describing the phases of matter. In the nineteenth century, for example. one theory maintained that a liquid could be “dissolved” in a vapor without losing its identity. and another theory held that the two phases are made up of different kinds of molecules: liquidons and gasons. The theories now prevailing take a quite different approach by emphasizing what liquids and gases have in common. They are both forms of matter that have no permanent structure, and they both flow readily. They are fluids.

The fundamental similarity of liquids and gases becomes clearly apparent when the temperature and pressure are raised somewhat. Suppose a closed container partially filled with a liquid is heated. The liquid expands, or in other words becomes less dense; some of it evaporates. In contrast, the vapor above the liquid surface becomes denser as the evaporated molecules are added to it. The combination of temperature and pressure at which the densities become equal is called the critical point. Above the critical point the liquid and the gas can no longer be distinguished; there is a single, undifferentiated fluid phase of uniform density.

Ques 1. Which of the following are true statements in accordance with the information given in the above passage?

[A]. The difference between a liquid and a gas under normal conditions on Earth is that the liquid forms a free surface.
[B]. when the temperature is increased in a closed container holding a liquid?
[C]. In the nineteenth century some scientists viewed liquidons and gasons as different types of molecules.
[D]. Critical point is When the densities of the two phases are equal.
[E]. the gases of the Earth’s atmosphere are contained by the field of space.


Read the following passage and answer question #2.

In terrestrial affairs we think of “big” as being complicated; a city is more intricate than a village, an ocean more complicated than a puddle. For the universe, the reverse seems to be the case bigger is simpler Galaxies have some puzzling features, but on the whole, they are scarcely more complicated than the stars that compose them Beyond the galaxies, in the hierarchy of the cosmos, there are clusters of galaxies; these clusters are loosely bound by the gravity of their largest members and tend to look very much the same in all directions. Simplest of all is the universe at large, it is far less complicated than the Earth, one of its most trivial members. The universe consists of billions of galaxies flying apart as if from an explosion that set it in motion, it is not lopsided, nor does it rotate. The more thoroughly scientists investigate the universe, the more clearly its simplicity shines through.

Ques 2. Which of the following statements can be supported from the text?

[A]. The universe is a relatively simple phenomenon.
[B]. Billions of galaxies are predicted to explode, adding to universal complexity.
[C]. Galaxy clusters are an illusion.
[D]. Clusters of galaxies are held together by gravity.


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