Agriculture - Single MCQs (Page 173)

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Q1721. Prairies and steppes are parts of the natural regions called?...Q1722. The earth could have sustained more population if all the people would have been...Q1723. Ecosystem may be defined as?...Q1724. In an aquatic environment, microscopic animals and plants are collectively known...Q1725. The term biosphere is used for the zone of earth where life exists?...Q1726. Pond is an example of?...Q1727. An ecosystem is?...Q1728. A habitat of long severe winters and growing season limited to a few months of s...Q1729. Each human couple should produce only two children which help in?...Q1730. Ecosystem is?...