Q. Who proposed the term ecosystem?

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Q. Name the organisms that manufacture organic compounds from simple inorganic compounds without using sunlight?

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Q. Which of the following organism eats feces?

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Q. Which of the following type of productivity counts the total fixation of energy by photosynthesis?

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Q. Hekistotherm vegetation is found in which of the following region?

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Q. Pyramid of numbers for grassland ecosystem is____________

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Q. Pyramid of number defines the individuals of each species belonging to trophic level in an ecosystem.

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Q. Which of the following statement is CORRECT about the pyramid of energy?

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Q. Which of the following has a higher assimilation efficiency?

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Q. Which of the following ecosystem consists of forest, grassland and deserts?

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Q. Mark the one, which comes under a lotic ecosystem?

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Q. Which of the following is inter-tidal zone between land and open sea?

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Q. Which of the following zone lies at the bottom of the sea?

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Q. The collection of individuals which belongs to the same species when live together in a region is known as ____________

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Q. The size of the population is represented by the property called density.

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Q. Name the term which defines the study of the characteristics and parameters of the population.

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Q. Which of the following term defines the ability of the individual in the population to produce new individuals?

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Q. Which of the following survivorship curve is suitable for the organisms who breeds several times during the course of their life span?

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Q. Name those organisms who can breed only once in their lifetime?

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Q. Which of the following structure can be seen in the diminishing population?

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