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Natural Sciences
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Natural Sciences
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25 Questions

1. Which compound is the best conductor of electricity?
2. The entropy of a system is a measure of _____ of a system.
3. Different cell types have
4. Chlorine has the highest oxidation state in which of these compounds?
5. Chromatin consists of
6. The bottleneck effect occurs when natural disasters such as earthquakes or floods drastically reduce the size of a population. Which of the following best describes the resulting effect on the gene pool of the surviving population?
7. In cellular respiration
8. Which animal has radial symmetry?
9. Chloroplasts and mitochondria have the following property in common.
10. What percentage of energy is passed on to each successive organism in the energy pyramid?
11. When energy is added to an ideal gas - the kinetic energy of the particles
12. Waves have an associated frequency and wavelength. The product of the wavelength and frequency is equal to a constant. The relationship between wavelength and frequency is best described as
13. Which of the following materials is formed by the solidification of magma?
14. Which of the following statements is true regarding a chemical reaction that occurs spontaneously?
15. Which two planets do not have any moons?
16. The role of hemoglobin is to carry ____ from the lungs to the tissues and ____ back to the lungs.
17. The earth is not a sphere - rather it is an ellipsoid; it is flatter at the poles and bulges at the equator. This is a result of
18. The thin layer which floats on top of the earth’s mantle is the
19. Bio-organic farmers add compost to the soil to replace lost nutrients. This practice is superior to the use of chemical fertilizers because
20. As a train approaches a railway station - the people waiting will hear the squeal of the train tracks before they here the train. The reason for this is
21. Genetic tests can resolve ambiguities about whether a trait is homologous or analogous because
22. The first step in cell division is
23. Which of the following statements is NOT true regarding black holes?
24. The sequence from gene to protein in eukaryotic cells is
25. An animal cell contains M chromosomes. After mitotic cell division - each daughter cell contains ________ chromosomes.