Nokea
Cystic fibrosis is a disease that is passed down through families. It is caused by a defective gene
that makes the body produce abnormally thick and sticky fluid, called mucus. This mucus builds
up in the breathing passages of the lungs and in the pancreas. The buildup of mucus results in
life-threatening lung infections and serious digestion problems. The disease may also affect the
sweat glands and a man's reproductive system. Millions of Americans carry a CF gene, but do
not have symptoms. This is because a person with CF must inherit two defective genes, one from
each parent. About 1 in 29 Caucasian Americans have the CF gene. It is more common among
those of northern or central European descent. Most children with CF are diagnosed by age 2.
For a small number, the disease is not detected until age 18 or older. These children often have a
milder form of the disease.
In context, the word 'defective' in the first sentence of the passage means which of the following?
- A. Unusual
- B. Remarkable
- C. Remarkable
- D. Faulty
Correct Answer: D
Rationale: The correct answer is D: 'Faulty.' In the context of the passage, 'defective' describes a gene that is not functioning correctly, leading to the production of abnormally thick and sticky fluid. The word 'defective' implies that the gene is flawed, imperfect, or faulty, which aligns with the definition of 'Faulty.' Choices A and B, 'Unusual' and 'Remarkable,' do not accurately reflect the negative connotation associated with 'defective' in this context. Therefore, 'Faulty' is the most appropriate interpretation of 'defective' in this sentence.
You may also like to solve these questions
The ability to see at a distance, in good light, does not diminish as a result of aging to the extent
that other visual acuities do. Myopia, or nearsightedness, is more common to younger eyes,
while presbyopia, or farsightedness, more commonly afflicts people as they age. The word
presbyopia comes from Greek presbys, "old man," and opia, "eye," and names a condition in
which, because the lens of the eye hardens slightly and loses elasticity as a person ages, one
cannot as easily focus sharply on nearby objects. This condition leads to the familiar habit of
lifting up one's glasses and bringing an object or reading material close to the face so that the
eyes can more easily focus on it. The function of the lens is to accommodate different focal
points so that sensory data can be correctly directed to the retina for interpretation into images by
the brain. Corrective lenses, particularly bifocals or progressive lenses, adjust for the focal point
aberration. In essence, they do the work that the eye can no longer do for itself.
In the context of the passage, what does 'accommodate' mean?
- A. Arrange lodging for
- B. Contain
- C. Make allowances for
- D. Excuse
Correct Answer: B
Rationale: In the context of the passage, 'accommodate' refers to the function of the lens in the eye to adjust for different focal points, allowing sensory data to be correctly directed to the retina for interpretation into images by the brain. Therefore, 'contain' is the most appropriate definition in this context as it reflects the lens's ability to adapt and encompass various focal points.
Nurseries
If you thought nurseries were just for babies, well, think again! Being special kinds of farms, nurseries are used to raise plants in mass quantities. Plants, trees, and shrubs are typically grown in nurseries and then sold to farmers and gardeners to plant in homes, businesses and farms. Most nurseries are found in the more rural parts the country because much land is required to have a viable nursery. If a nursery sells plants to others, it must obtain a special permit from the local city or county, which keeps the competition fair and does not saturate the market with a large number of nurseries selling similar products.
Also on the grounds of nurseries are greenhouses which are made of glass or plastic panes that protect the plants from weather elements that may harm them and cause them not to grow and develop. The glass panels in greenhouses allow for sunlight to enter and moisture to be trapped inside. This creates a tropical environment which allows orchids and poinsettias to grow. It ensures that vegetables and fruits will grow large, which makes them valuable to farmers.
Why do they need a special permit?
- A. To ensure that nurseries follow safety regulations.
- B. Too many nurseries mean that there are not enough buyers for the plants that need to be sold.
- C. To control the quality of plants sold in nurseries.
- D. To provide financial assistance to new nursery owners.
Correct Answer: B
Rationale: Nurseries need a special permit to prevent oversaturation of the market with a large number of nurseries selling similar products. If there are too many nurseries, it can lead to a situation where there are not enough buyers for the plants being produced, which can impact the businesses' sustainability and profitability. By regulating the number of nurseries through permits, the local government aims to maintain a balance between supply and demand in the market.
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 the above passage, the word 'subjective' refers to test questions that
- A. are matching.
- B. allow you to choose an answer.
- C. are true or false.
- D. require you to write your own answer.
Correct Answer: D
Rationale: The term 'subjective,' as used in the passage, pertains to test questions that demand individuals to express their thoughts, organize information, and provide detailed responses. These types of questions often require writing essays or paragraphs, aligning closely with the description of subjective tests presented in the passage. Therefore, the correct answer is D: 'require you to write your own answer.' This choice accurately reflects the nature of subjective exams as discussed in the passage.
Nurseries: If you thought nurseries were just for babies, well, think again! Being special kinds of farms, nurseries are used to raise plants in mass quantities. Plants, trees, and shrubs are typically grown in nurseries and then sold to farmers and gardeners to plant in homes, businesses, and farms. Most nurseries are found in the more rural parts of the country because much land is required to have a viable nursery. If a nursery sells plants to others, it must obtain a special permit from the local city or county, which keeps the competition fair and does not saturate the market with a large number of nurseries selling similar products.
Also on the grounds of nurseries are greenhouses which are made of glass or plastic panes that protect the plants from weather elements that may harm them and cause them not to grow and develop. The glass panels in greenhouses allow for sunlight to enter and moisture to be trapped inside. This creates a tropical environment which allows orchids and poinsettias to grow. It ensures that vegetables and fruits will grow large, which makes them valuable to farmers.
In the passage, the word 'panel' means
- A. The part of a vehicle that supports the controls and dials.
- B. A strip of board or other material that forms a section of a wall or door.
- C. A list of jurors.
- D. A strip of material set lengthwise in or on a garment.
Correct Answer: B
Rationale: The correct answer is B: A strip of board or other material that forms a section of a wall or door. In the context of the passage, the word 'panel' refers to the glass or plastic panes that make up the structure of greenhouses. Greenhouses are described as having glass panels that allow sunlight to enter and moisture to be trapped inside, creating a specific environment for plant growth. This definition aligns with choice B, as a panel is a section of a wall or door made of a specific material. Choices A, C, and D are incorrect as they do not correspond to the definition of 'panel' as used in the passage. Choice A refers to a part of a vehicle, choice C refers to a list of jurors, and choice D refers to a strip of material in a garment, none of which relate to the context of greenhouses described in the passage.
Photosynthesis is a process used by plants, algae, and certain bacteria to convert light energy into chemical energy stored in sugar molecules. This process is fundamental to life on Earth as it provides the primary source of energy for nearly all organisms. The energy is captured from sunlight by a pigment in the plants called chlorophyll, which gives plants their green color.
During photosynthesis, carbon dioxide from the air and water from the soil react in the presence of light to form sugars and oxygen. The oxygen is released into the atmosphere, which is crucial for the survival of most life forms on Earth. The sugars produced are used by the plant for energy and growth, storing excess energy as starch.
The process occurs in two main stages: the light-dependent reactions and the Calvin cycle. In the light-dependent reactions, energy from sunlight is absorbed by chlorophyll and converted into stored chemical energy in the form of ATP and NADPH. The Calvin cycle uses the ATP and NADPH produced in the light-dependent reactions to convert carbon dioxide into glucose.
Photosynthesis not only sustains plant life but also maintains the atmospheric oxygen levels and is a key factor in the carbon cycle, helping to regulate Earth's climate.
Which of the following is NOT a product of photosynthesis?
- A. Oxygen
- B. Sugar
- C. Nitrogen
- D. ATP
Correct Answer: C
Rationale: The correct answer is C: 'Nitrogen.' During photosynthesis, oxygen, sugar, and ATP are all products of the process. Oxygen is released into the atmosphere, sugar is the main product used by the plant for energy and growth, and ATP is a form of stored chemical energy. However, nitrogen is not a direct product of photosynthesis. The process primarily involves the conversion of carbon dioxide and water into sugars and oxygen, with nitrogen not being part of the immediate products.