Consider the following:
1. Photosynthesis
2. Respiration
3. Decay of organic matter
4. Volcanic action
Which of the above add carbon dioxide to the carbon cycle on earth?

Options

(a)

1 and 4 only

(b)

2 and 3 only

(c)

2, 3 and 4 only

(d)

1, 2 ,3 and 4

Answer

(C)

Environment › Ecological Theory

2011

Consider the following statements: 1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes. 2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes. Which of the statements given above is/are correct?

Options

(a)

1 only

(b)

2 only

(c)

Both 1 and 2

(d)

Neither 1 nor 2

Answer

(C)

Environment › Ecological Theory

2011

Biodiversity forms the basis for human existence in the following ways:
1. Soil formation
2. Prevention of soil erosion
3. Recycling of waste
4. Pollination of crops
Select the correct answer using the code given below:

Options

(a)

1, 2, and 3 only

(b)

2, 3, and 4 only

(c)

1 and 4 only

(d)

1, 2, 3 and 4 only

Answer

(D)