This General Science aptitude test #4 will assess your knowledge of general science. Subjects include earth science, chemistry, biology, and physics. The questions are based on knowledge generally acquired during high school.
There are 10 questions on the test. There is no time limit on the test. You may not skip any of the questions on this assembling objects aptitude test. You must answer all 10 questions in order to receive your score. Your score will be shown immediately after you complete the test.
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General Science Aptitude Test 4
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Science has shown that populations have limits to growth. Environmental resistance is seen in the availability of space, the number of people in relation to available resources, and the capacity of the natural systems (photosynthesis, biodiversity, nutrient cycles) to support human beings. Quality of life in the future must also be considered as a factor in human population growth. Human population is increasing at an extremely rapid rate. Technology may be a big factor in enabling larger populations to live on the earth or, conversely, technology may lessen the carrying capacity of the earth.
Environmental resistance to a growing population is best defined as which of the following?CorrectIncorrect
Temperature levels fall from ground level to the top of the troposphere, but they rise in the stratosphere. Which of the following would best account for the rise in temperature?CorrectIncorrect
Humans have 23 pairs of chromosomes. Twenty-two of the pairs are the same in males and females. The remaining pair is made up of the sex chromosomes. These determine the sex of a baby. Females have two X chromosomes; males have one X chromosome and one Y chromosome. One of the X chromosomes is always inherited from the mother, and either one X or one Y chromosome is inherited from the father. A male baby has?CorrectIncorrect
Two organelles found in the cytoplasm are the mitochondria (found in both plants and animals) and chloroplasts. Both of these organelles are concerned with energy transformation. Chloroplasts convert light energy into chemical energy in a process called photosynthesis. Only plant cells contain chloroplasts, so only plant cells can perform this basic process on which all life depends. Mitochondria take the sugar molecules made in photosynthesis and transfer the chemical energy to a high-energy molecule called ATP that the cells can use readily. The process mitochondria use is called respiration.
Which organelle is found only in plant cells?CorrectIncorrect
Light and sound are both wave phenomena, but they are different in some ways. For example, light can travel in a vacuum, but sound cannot. Which of the following statements is a consequence of this fact?CorrectIncorrect
Given the extensive research that illustrates the potential link to learning disorders in children, California should be the first state to ban the chemicals used in flame retardants. These chemicals, which are known as polybrominated diphenyl ethers (PBDEs), were developed in the 1960s and are found in plastics and foams.
Which of the following is an opinion expressed in the above passage?CorrectIncorrect
The basic unit of life is _______.CorrectIncorrect
When a plant undergoes photosynthesis, one of the byproducts is _____?CorrectIncorrect
Why is the nucleus so important to a living cell?CorrectIncorrect
Which of the following is not an example of a fruit?CorrectIncorrect