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Exams
Subjective exams measure your ability in several areas. Besides recall information, you must be able to organize content logically and intelligently express yourself in a clearly understood manner. Subjective tests provide a greater opportunity for students to show their broad knowledge of a subject area. Answers may be in the form of paragraphs or lengthy essays.
When you review for an essay exam, concentrate on main ideas rather than details. Since essay tests are limited to a few questions, they are likely to deal with more important ideas of a subject. Prepare a list of questions that you think might be asked. Write an answer to each of your questions. Rather than writing complete sentences, jot down your thoughts in outline form. Doing so will help you organize the information so that you can express yourself clearly.
When you take the test, read through all the questions before you start to write. Allot time for each question, allowing more time for questions worth the most points. Read each question carefully to determine exactly what is being asked. Pay attention to words such as define, illustrate, explain, list, compare, and contrast. Each word requires a different type of response.
In answering subjective questions, the student should
- A. keep it brief and specific.
- B. capitalize the matching letters.
- C. include more than is asked.
- D. write out the words - true or false.
Correct Answer: A
Rationale: When answering subjective questions, it is advised to keep responses brief and specific, as indicated in the passage. While subjective exams allow for detailed answers, focusing on main ideas and organizing thoughts clearly is crucial. This approach suggests that students should provide concise and to-the-point responses while still ensuring they cover the topic adequately. Therefore, option A aligns best with the recommended strategy for answering subjective questions.
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The Water Cycle
Water is needed to sustain practically all life functions on planet Earth. A single drop of this compound is composed of an oxygen atom that shares its electrons with each of the two hydrogen atoms.
The cycle starts when precipitation, such as rain, snow, sleet, or hail, descends from the sky onto the ground. Water that is not absorbed immediately from the precipitation is known as runoff. The runoff flows across the land and collects in groundwater reservoirs, rivers, streams, and oceans.
Evaporation takes place when liquid water changes into water vapor, which is a gas. Water vapor returns to the air from surface water and plants.
Ultimately, condensation happens when this water vapor cools and changes back into droplets of liquid. In fact, the puffy, cotton clouds that we observe are formed by condensation. When the clouds become heavily laden with liquid droplets, precipitation ensues.
What can the reader conclude from this passage about ponds and lakes?
- A. They are examples of groundwater reservoirs.
- B. They are not important in the collection of runoff.
- C. They do not play a role in water collection.
- D. They consist of only water collected through precipitation.
Correct Answer: A
Rationale: Ponds and lakes are mentioned in the passage as part of the water cycle. The text states that runoff water collects in groundwater reservoirs, rivers, streams, and oceans. Since ponds and lakes are water bodies that collect and store runoff, they can be considered as examples of groundwater reservoirs. Therefore, the correct answer is A: 'They are examples of groundwater reservoirs.' Ponds and lakes play a significant role in the collection and storage of water within the water cycle, contrary to options B and C, which incorrectly suggest they are not important or do not play a role. Option D is incorrect as it oversimplifies the water sources for ponds and lakes by stating they consist solely of water collected through precipitation.
The ebb and flow of laughter and silence fills the room as four old friends gather to engage in a
round of Bridge playing. For the beginner, Bridge can be complicated, but with time, effort, and a good teacher, even the novice can become proficient. Composed of two main parts, bidding and playing, Bridge requires the player's undivided attention. The dealer deals the entire deck of playing cards evenly between the for players, with
each person receiving thirteen cards. In the bidding portion of the game, the four suits of cards in the deck are ranked highest to lowest as follows: spades, hearts, diamonds, and finally clubs. However, during play all the suits of cards are
considered equals, and they go from highest to lowest from the ace being high to the two cards
being low. The highest number of tricks wins. A trick is one card played by each player for a
total of four. After the lead player lays down his/her card, the other players follow suit, if
possible. The highest card within the four "same suit" cards played wins the trick and picks up all
four cards. If a player cannot follow suit, he/she plays any card, but to make the game more
interesting and challenging, one suit is named a trump suit which means that if a player plays a
card from the trump suit, it always wins the trick. If two cards from the trump suit are played, the
highest card within the trump suit wins the trick. Obviously, the team with the most tricks wins
the hand.
The passage implies that
- A. Playing bridge requires concentration.
- B. Bridge is an extremely easy game to play.
- C. Bridge is only for older people.
- D. Bridge is only for women.
Correct Answer: A
Rationale: The correct answer is A: 'Playing bridge requires concentration.' The passage mentions that Bridge requires the player's undivided attention, indicating that concentration is necessary to play the game effectively. The intricate details provided about the rules and gameplay of Bridge emphasize the need for focus and mental engagement. While the passage does not suggest that Bridge is easy or exclusively for older people or women, it highlights the complexity and attention required to excel in the game.
About 6% of the earth is covered by rainforests. The largest rainforest in the world is the
Amazon Basin, which stretches over 2.3 million square miles in nine different South American countries. This area is double the length of all the other remaining rainforests in the world. Brazil contains 60%of the Amazonian rainforest, since it lies at the mouth of the river Amazon. This river is the second largest in the world and contains more than one-fifth oftheworldĆ¢Ä‚¬Ä„¢sfresh water. The Amazon rainforest is a type of wet broadleaf forest. The weather there is very humid and warm as it rains quite a bit. Because of the high rainfall, the forest is very rich and green. The
tree leaves are pointed and narrow so that the raindrops can easily drop off wet plants. This
tropical rainforest has more living species than the entire European continent. There are over 400 types of insects living in one single rain forest tree for a total of 2.5 million species. One square kilometer of rainforest may contain over 75,000 types of trees and approximately 438,000
different kinds of plants, which comes to a total of 90,000 tons of greenery overall. The Amazon rainforest is home to 2,000 birds and mammals, with one in every five birds in the world living there. Local farmers have lived off this rich and diverse land for thousands of years. They have been able to find food and water here without destroying the land. The Kayapo people of Brazil
farm in an environmentally-friendly way. Instead of chemicals, they use burned wood to enrich the soil, and plant banana trees, which attract wasps. These wasps then feed on leafcutter ants and get rid of these harmful insects. The rainforest also offers a lot of tropical fruits, such as bananas and coconuts, as food.
Cinnamon is made from the bark of a rainforest tree. Amazonian Indians use the fruit and stem
of the Buruti plant as a drink, to make bread and to build houses. Many other plants are used as medicine. But the Amazon rainforest is in very big danger of disappearing. 9,169 square miles of
forest have been cut down in 2003 in Brazil alone. An area of the size of a football field is burned down basically every minute, which means that the rain forest may be gone by the year 2030.The dangers related to this type of activity are obvious. Trees take in poisonous carbon
dioxide from the air and give off oxygen. There is more oxygen and less carbon dioxide around a
rainforest. When trees are cut down, however, the amount of carbon dioxide increases, and the
air gets warmer. This leads to global warming, which is extremely harmful to the environment. It
is estimated that the burning of Brazilian rainforests alone produces 200 million metric tons of carbon dioxide ayear. Another danger connected with destroying the rainforest is the disappearance of plants and animals. When trees are cut down, plants and animals have no more
food left and slowly die out. Killing wild animals is illegal in Brazil, but there is plenty of stealing going on. 38 million animals are stolen and sold illegally each year. The most hunted
animals are birds, especially parrots, followed by snakes and the jaguar.
What does the sentence 'people of Brazil farm in an environmentally friendly way' mean in paragraph 3?
- A. They do not poison the soil when farming.
- B. They use natural chemicals to enrich the soil.
- C. They plant and preserve banana trees.
- D. They do not kill insects even if they are harmful.
Correct Answer: A
Rationale: The correct answer is A: 'They do not poison the soil when farming.' The statement in the paragraph refers to the environmentally friendly farming practices of the Kayapo people in Brazil. Instead of using harmful chemicals, they opt for burned wood to enrich the soil. This sustainable approach helps maintain the fertility of the land without causing harm to the environment. It highlights their conscious effort to farm in a way that is beneficial and sustainable for the ecosystem, emphasizing the importance of preserving the environment while meeting their agricultural needs.
Blood Pressure Regulators
The body is composed of systems that have evolved and diversified in order to maintain the natural functions and processes they regulate. One such system that has these regulators is the bodyÄ€™s cardiovascular system. The bodyÄ€™s pump, which regulates the flow of vitally needed oxygen to all cells of the body, as well as the discard of carbon dioxide and other waste products, is the heart.
Because blood pressure varies at different points within the body, differing components are needed to keep the bodyÄ€™s blood pressure regulated. Three of the basic components are baroreceptors, chemoreceptors, and the kidneys.
Baroreceptors are stretch receptors composed of fine branching nerve endings and are contained along the walls of the arteries near the heart and in other areas of the body as well. Impulses are related to this stretching along the arterial walls, which causes these baroreceptors to send out even more impulses to the heart, arteries, and veins, causing the blood pressure to go either up or down.
Chemoreceptors are located along the walls of the arteries and monitor changes in oxygen level, carbon dioxide, and pH. Just think! A fall in oxygen causes receptors to send impulses to raise the blood pressure.
The kidneys play a role in regulating blood pressure by absorbing salts and water and removing wastes. Hormones secreted by the adrenal cortex cause the kidney to keep or let go of any salt and water. This has an influence on blood volume and consequently on blood pressure.
What is a major difference in the way baroreceptors and chemoreceptors work from the way the kidneys work?
- A. Baroreceptors and chemoreceptors both work within the wall of the arteries, sending out impulses to raise or lower blood pressure, whereas the kidneys help control blood volume.
- B. Baroreceptors and chemoreceptors both work to help maintain blood volume, whereas the kidneys take care of salts, water, and waste removal.
- C. Baroreceptors and chemoreceptors must work together to control blood pressure, whereas the kidneys work with the adrenal cortex.
- D. Baroreceptors and chemoreceptors are both located near the adrenal cortex, whereas the kidneys are located near the heart.
Correct Answer: A
Rationale: Baroreceptors and chemoreceptors function by sensing changes in the body's blood pressure within the walls of the arteries and sending signals to raise or lower blood pressure accordingly. On the other hand, the kidneys play a role in controlling blood volume by absorbing salts and water and removing wastes. This contrast highlights a major difference between how baroreceptors/chemoreceptors regulate blood pressure and how the kidneys manage blood volume. While the former adjust blood pressure directly, the kidneys affect blood volume, which indirectly influences blood pressure. Therefore, option A correctly distinguishes the roles of baroreceptors/chemoreceptors and kidneys in maintaining cardiovascular homeostasis.
Which sentence is grammatically correct?
- A. The dog catches the Frisbee well.
- B. The band did well during the halftime show.
- C. Sarah plays her new saxophone well.
- D. The band that played before ours was good.
Correct Answer: C
Rationale: In English, 'well' is the appropriate adverb used to describe how an action is performed. 'Good' is an adjective and should not be used to describe actions. Therefore, the correct sentence is 'Sarah plays her new saxophone well.'