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Consider the following statements regarding one of the major geochemical cycles, the water cycle:
1. Precipitation that falls near the equator is most likely to fall as rain into the ocean.
2. Water vapor is a greenhouse gas that helps to regulate the temperature of the earth's atmosphere.
3. Globally, precipitation far exceeds evaporation.
Which of the above statements is/are correct?
Which of the following are the biotic components of the environment?
1. Wind
2. Parasites
3. Symbionts
4. Decomposers
Choose from the following options.
Consider the following statements:
1. Population is a group of organisms occupying a defined area during a specific time.
2. Population growth rate is the percentage variation between the number of individuals in a population at two different places.
3. The main factors that make the population decrease are death and emigration.
Which of these statements is/are correct?
Consider the following statements about the major community:
1. They are dependent on neighbouring communities.
2. They depend only on the Sun's energy from outside.
Which of these statements is/are correct?
Consider the following statements about the Structure of a community:
1. A community may have one or several species.
2. The environmental factors determine the characteristic of the community.
Which of these statements is/are correct?
Consider the following statements:
1. Latitude has a strong influence on an area’s temperature.
2. As the altitude increases, the air becomes colder and drier.
Which of these statements are not correct?
Consider the following statements:
1. Secondary consumers feed on primary consumers.
2. Carnivores which feed on secondary consumers are called omnivorous.
Which of these statements is/are correct?
Consider the following statements:
1. A niche is the unique functional role or place of a species in an ecosystem.
2. Two or more species have identical niches.
3. Reproductive niche is where the organism decomposes.
Which of these statements is/are correct?
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521 videos|968 docs|446 tests
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