NEET UG 2020 — Ecosystem

Which of the following statements is incorrect regarding the phosphorus cycle?

Match the trophic levels with their correct species examples in grassland ecosystem. <table class="pyq-table"><tbody><tr><td>(a)</td><td>Fourth trophic level</td><td>(i)</td><td>Crow</td></tr><tr><td>(b)</td><td>Second trophic level</td><td>(ii)</td><td>Vulture</td></tr><tr><td>(c)</td><td>First trophic level</td><td>(iii)</td><td>Rabbit</td></tr><tr><td>(d)</td><td>Third trophic level</td><td>(iv)</td><td>Grass</td></tr></tbody></table>Select the correct option.

Which of the following statements is incorrect?

The rate of decomposition is faster in the ecosystem due to following factors $\mathrm{EXCEPT}$:

In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct?