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(D) $1$. Carbon constitutes $49\%$ of the dry weight of organisms,not $39\%$. Thus,option $A$ is incorrect.$2$. Fossil fuels represent a major reservo

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Rapid deforestation and massive burning of fossil fuels for energy and transport have significantly increased the rate of release of carbon dioxide into the atmosphere.

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(D) $1$. Carbon constitutes $49\%$ of the dry weight of organisms,not $39\%$. Thus,option $A$ is incorrect.$2$. Fossil fuels represent a major reservoir of carbon. Thus,option $B$ is incorrect.$3$. According to estimates,approximately $4 	imes 10^{13} 	ext{ kg}$ of carbon is fixed in the biosphere through photosynthesis annually,not $5 	imes 10^{13} 	ext{ kg}$. Thus,option $C$ is incorrect.$4$. Human activities such as rapid deforestation and the massive burning of fossil fuels for energy and transport have significantly increased the rate of release of carbon dioxide into the atmosphere,leading to global warming. Thus,option $D$ is correct.

Column-$I$	Column-$II$
$(a)$ Earthworm	$(i)$ Pioneer species
$(b)$ Succession	$(ii)$ Detritivores
$(c)$ Ecosystem service	$(iii)$ Birth rate
$(d)$ Population growth	$(iv)$ Pollination

Column-$I$	Column-$II$
$(i)$ Ecosystem	$(P)$ Bacteria,Fungi
$(ii)$ Food chain	$(Q)$ Nutrient cycling
$(iii)$ Birds	$(R)$ Primary consumer
$(iv)$ Decomposers	$(S)$ Deer

Choose the correct sentence regarding the carbon cycle.

Similar Questions

In an ecosystem, at which trophic level can a human consuming curd be placed?

Match the following columns:
Column-$I$ Column-$II$
$(a)$ Earthworm $(i)$ Pioneer species
$(b)$ Succession $(ii)$ Detritivores
$(c)$ Ecosystem service $(iii)$ Birth rate
$(d)$ Population growth $(iv)$ Pollination

Which is the correct sequence in the food chain in a grassland?

How many food chains are there in the food web shown above?

Match the following columns:

Column-$I$ Column-$II$

$(i)$ Ecosystem $(P)$ Bacteria,Fungi

$(ii)$ Food chain $(Q)$ Nutrient cycling

$(iii)$ Birds $(R)$ Primary consumer

$(iv)$ Decomposers $(S)$ Deer

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