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Carbon cycle Multiple Choice Questions

Are you looking for Mcqs on Carbon cycle? If Yes then you are at right place. Here you will find Carbon cycle Mcq Questions and Answers, Trivia, Quiz, Interview MCQ & Carbon cycle Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Carbon cycle Mcqs. as you know Questions and Ansers on Carbon cycle is very important for Neet Exam. In this Carbon cycle MCQ section for Neet competition we are covering MCQS on Carbon cycle

Question : These entities sequester most carbon from the atmosphere

A. Plants

B. Archaea

C. Bacteria

D. Insects



विज्ञापन

Question : By this method, the majority of carbon moves from the lithosphere to the atmosphere

A. erosion

B. deposition

C. weathering

D. fossil fuel burning



विज्ञापन

Question : This carbon isotope is radioactive and very rare

A. Carbon – 11

B. Carbon – 12

C. Carbon – 13

D. Carbon – 14



विज्ञापन

Question : Most of the global warming is due to the perturbation of which of these cycles?

A. Global nitrogen cycle

B. Global carbon cycle

C. Global water cycle

D. All of these cycles equally contribute



Question : The difference between the phosphorous cycle and carbon cycle lies in the fact that

A. the phosphorous cycle does not include a gaseous phase but the carbon cycle does

B. phosphorous does not enter living entities but carbon enters

C. the phosphorous cycle includes a solid phase, the carbon cycle does not

D. primary reservoir of the phosphorous cycle is the atmosphere, but rocks are the primary reservoirs for carbon cycle



Question : Respiration and photosynthesis are central to this process

A. nitrogen cycle

B. phosphorous cycle

C. carbon cycle

D. sulphur cycle



Question : In the carbon cycle, the human body returns carbon to the atmosphere through this way:

A. formation of glucose

B. waste products

C. Photosynthesis

D. cellular respiration



Question : The role of bacteria in the carbon cycle is

A. Breakdown of organic compounds

B. Chemosynthesis

C. Photosynthesis

D. Assimilation of nitrogen compounds



Question : The source of carbon to plants in the carbon cycle is

A. fossil fuels

B. carbonate rocks

C. atmospheric carbon dioxide

D. all of the above



Question : This factor contributes to the carbon cycle

A. fossil fuel combustion

B. respiration

C. photosynthesis

D. all of these