Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth? (1). Volcanic action (2). Respiration (3). Photosynthesis (4). Decay of organic matter Select the correct answer using the code given below.

Which of the following adds/add carbon dioxide to the carbon cycle o

1.	Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth? (1). Volcanic action (2). Respiration (3). Photosynthesis (4). Decay of organic matter Select the correct answer using the code given below.
A.	1 and 3 only
B.	. 2 only
C.	1, 2 and 4 only
D.	1, 2, 3 and 4
Answer» D. 1, 2, 3 and 4

Discussion

No Comment Found

Related MCQs

. With reference to Union Budget, which of the following, is/are covered under Non-Plan Expenditure? (1). Defence-expenditure (2). Interest payments (3). Salaries and pensions (4). Subsidies Select the correct answer using the code given below.
Which of the following organizations brings out the publication known as ‘World Economic Outlook’?
There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? (1). They can accumulate in the environment, and contaminate water and soil. (2). They can enter the food chains. (3). They can trigger the production of free radicals. Select the correct answer using the code given below
Consider the following statements: (1). Animal Welfare Board of India is established under the Environment (Protection) Act, 1986. (2). National Tiger Conservation Authority is a statutory body. (3). National Ganga River Basin Authority is chaired by the Prime Minister. Which of the statements given above is/ are correct?
With reference to ‘Eco-Sensitive Zones’, which of the following statements is/are correct? (1). Eco-Sensitive Zones are the areas that are declared under the Wildlife (Protection) Act, 1972 . (2). The purpose of the declaration of Eco-Sensitive Zones is to prohibit all kinds of human activities, in those zones except agriculture. Select the correct answer using the code given below.
In the context of food and nutritional security of India, enhancing the ‘Seed Replacement Rates’ of various crops helps in achieving the food production targets of the future. But what is/are the constraint/ constraints in its wider / greater implementation? (1). There is no National Seeds Policy in place. (2). There is no participation of private sector seed companies in the supply of quality seeds of vegetables and planting materials of horticultural crops. (3). There is a demand-supply gap regarding quality seeds in case of low value and high volume crops. Select the correct answer using the code given below.
Ibadat Khana at Fatehpur Sikri was
What was/were the object/objects of Queen Victoria’s Proclamation (1858)? (1). To disclaim any intention to annex Indian States (2). To place the Indian administration under the British Crown (3). To regulate East India Company’s trade with India Select the correct answer using the code given below.
A community of people called Manganiyars is wellknown for their
Consider the following statements: (1). ‘Bijak’ is a composition of the teachings of Saint Dadu Dayal. (2). The Philosophy of Pushti Marg was propounded by Madhvacharya. Which of the statements given above is/are correct?

Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth? (1). Volcanic action (2). Respiration (3). Photosynthesis (4). Decay of organic matter Select the correct answer using the code given below.

Discussion

No Comment Found

Related MCQs

Reply to Comment