MCQ
India has nearly ..... varieties of plants
- A$25,000$
- B$54,000$
- ✓$45,000$
- D$35,000$
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$I.$ The transfer of energy from producers to top consumers through a series of organisms is called food chain
$II.$ A food chain is always straight and proceeds in a progressive straight line
$III.$ In a food chain, there is unidirectional flow of energy from sun to producers and subsequently to series of different types of consumers
Which of the statements given above are correct?