Question : The primary producer in an ecosystem are:
Option 1: Women
Option 2: Men
Option 3: Plants
Option 4: Bacteria
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Correct Answer: Plants
Solution : The correct answer is plants.
Producers are the autotrophs in an ecosystem. They are the primary energy producer in any ecosystem and form the base of any trophic level in terrestrial and aquatic ecosystem. Producers in terrestrial ecosystem are green plants and blue green algae which are able to generate energy through photosynthesis. While producers in an aquatic ecosystem are phytoplanktons.
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Question : In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Our beautiful ecosystem is being systematically (1)____ by industrial pollution channelled into rivers like the Ganga and the Yamuna, nuclear wastes from atomic plants muted into the world’s oceans, and (2)____ gases such as carbon dioxide mixed with the ozonosphere. Besides, tropical rainforests and green pastures are disappearing (3)_____ the pressure of a proliferating population. Dams are being (4)_____ over the rivers like the Narmada to change nature’s well-balanced surface equations between flora and fauna, and sloping mountainous terrain is being converted into mini oceans to supply electricity to the ever-starving industrial stomach of our age. Elephants, tigers, the wild rhinos of South Africa and many other forest creatures have become (5)_____ species.
Question
Select the most appropriate option to fill in the blank number 3.
Option 1: in
Option 2: to
Option 3: on
Option 4: under
Select the most appropriate option to fill in the blank number 4.
Option 1: validated
Option 2: built
Option 3: detected
Option 4: associated
Select the most appropriate option to fill in the blank number 1.
Option 1: damaged
Option 2: oriented
Option 3: glorified
Option 4: designed
Select the most appropriate option to fill in the blank number 2.
Option 1: poisonous
Option 2: useful
Option 3: nuclear
Option 4: hygienic
Select the most appropriate option to fill in the blank number 5.
Option 1: accumulated
Option 2: specified
Option 3: endangered
Option 4: granted
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