Biosphere Questions And Answers: 10 MCQs is important for exams. So, a quick simple 10 quizzes onÂ biosphereÂ for readers. The biosphere is all about life and generally describe our living world on earth and extends to the upper areas of theÂ atmosphereÂ where birds and insects can be found.
Further, it goes deep into the ground at a dark cave or to the bottom of theÂ ocean. In other words, the biosphere extends to any place that life (of any kind) can exist on Earth.
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1. Question1 points
Organisms at the base of the food chain areCorrectIncorrect
2. Question1 points
Which of the following is usually not an air pollutant ?CorrectIncorrect
3. Question1 points
The average salt content of sea water isCorrectIncorrect
4. Question1 points
The crop most susceptible to frost isCorrectIncorrect
5. Question1 points
In a forest the following four step food chain operates Grass, Insects, Frogs, Birds,
which of these organisms can be classified as a primary carnivore on the basis of the food chain ?CorrectIncorrect
6. Question1 points
Which of the following agricultural pratices have been primarily responsible for pollution of our wated resourcs ?
1. Use of livestock manure
2. Use of chemical fetilisers
3. Excessive use of chemical pesticidesCorrectIncorrect
7. Question1 points
Which of the following fuels causes minimum environmental pollution ?CorrectIncorrect
8. Question1 points
A microscopic organism playing a vital role in nitrogen cycle isCorrectIncorrect
9. Question1 points
Which of the following gases is not found free in airCorrectIncorrect
10. Question1 points
The amount of oxygen in the atmosphere into useful substances with the help ofCorrectIncorrect