Science Practice Quiz 214

Q1.What constitutes the 'biosphere' or 'living world'?

A. A system formed by the interaction of all living organisms B. A narrow zone of the earth where land, water, and air interact to support life C. The physical and chemical factors of the environment D. A region consisting of gases, dust, and water vapour

Q2.What is the crucial element that links all components within an ecosystem, according to the given definition?

A. Interaction of land, water, and air B. Changes in weather and climate C. Transfer of energy and material D. Harmful rays and scorching heat

Q3.What are the consequences of changes in the atmosphere?

A. Formation of the living world B. Interaction of land, water, and air C. Changes in the weather and climate D. Transfer of energy and material

Q4.An ecosystem is formed by the interaction of all living organisms with each other and with which specific factors of the environment?

A. Social and cultural factors B. Geographical and historical factors C. Economic and political factors D. Physical and chemical factors

Q5.Besides camels, which other animals are mentioned by Heera as being found in the desert?

A. Snakes, lizards, and many insects. B. Scorpions, spiders, and desert foxes. C. Vultures, hyenas, and wild dogs. D. Antelopes, zebras, and giraffes.

Q6.What forms an ecosystem?

A. The relation between living organisms and their immediate surroundings. B. The relation between living organisms, as well as the relation between the organisms and their surroundings. C. The interaction of human beings with their modified environment. D. The dependency of plants, animals, and humans on their immediate surroundings.

Q7.Which of the following is NOT explicitly mentioned as a possible type of ecosystem in the text?

A. A large rain forest. B. A small pond. C. A city park. D. A desert.

Q8.What is emphasized as necessary between the natural and human environment?

A. Complete separation. B. Human dominance. C. A perfect balance. D. Rapid modification by humans.

Q9.On which date is World Environment Day celebrated every year?

A. June 5. B. July 15. C. August 20. D. September 10.

Q10.Which of the following is NOT considered a natural ecosystem?

A. Desert B. Aquarium C. Forest D. Grassland

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Science Practice Quiz 214