Consider the following statements about food chain:
$I.$ The transfer of energy from producers to top consumers through a series of organisms is called a food chain.
$II.$ $A$ food chain is always straight and proceeds in a progressive straight line.
$III.$ In a food chain,there is a unidirectional flow of energy from the sun to producers and subsequently to a series of different types of consumers.
Which of the statements given above are correct?

  • A
    $I$ and $II$
  • B
    $I$ and $III$
  • C
    $II$ and $III$
  • D
    $I, II$ and $III$

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Similar Questions

Match the following Column-$I$ with Column-$II$:
Column-$I$Column-$II$
$(i)$ Sedimentary cycle$(P)$ Primary consumer
$(ii)$ Gaseous cycle$(Q)$ Carbon
$(iii)$ Herbivore$(R)$ Tertiary consumer
$(iv)$ Top carnivore$(S)$ Sulphur

The functional aspects of an ecosystem mainly include which of the following?

$A$ man-made ecosystem is:

Match the List-$I$ with List-$II$:
List-$I$ List-$II$
$a$. Carbon dissolved in oceans $i$. $55$ billion tons
$b$. Annual fixation of carbon through photosynthesis $ii$. $71 \%$
$c$. $PAR$ captured by plants $iii$. $4 \times 10^{13} \ kg$
$d$. Productivity of oceans $iv$. $2$ to $10 \%$

Choose the correct answer from the options given below:

Choose the correct sentence regarding the carbon cycle.

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