Which of the following is not a factor in soil formation?

Which of the following is known as 'Orchards of the world' for the fruit cultivation?

Consider the following factors:

1. Forest

2. Grassland

3. Shrubs

How many of the factors given above is/are the broad categories of natural vegetation?

Match the following Soil types (List I) and their characteristics (List II).

List I                      List II

(Soil Type)  (Characteristics)

A. Aridisols 1. Dry soil

B. Ultisols        2. Soils in areas of permafrost

C. Gelisols 3. Soils that have had the last of their nutrient bases leached out

D. Mollisols 4. Soft soil  

How many of the pairs given above is/are correctly matched?

Which of the following soils is rich in lime, iron, alumina and magnesia?

Which of the following is/are the characteristic of Red soil?

1. The texture of these soils can vary from sand to clay, the majority being loams.

2. On the uplands, the red soils are poor, gravelly, and porous.

3. In the lower areas they are rich, deep dark and fertile.

Select the correct answer using the code given below.

Which of the following statement is correct related to the Desert Biome?

Identify the type of forest from the characteristics given below.

1. The climate is hot and receives a large amount of rainfall

2. Closely spaced trees make a canopy that restricts the sunlight to penetrate inside the forest

3. Hardwood trees are commonly found in this forest.

The variability among living organisms from all sources including terrestrial, marine and other ecosystems and the ecological complexes of which they are the part which includes diversity within species, between species of ecosystems, refers to

It is found in terrestrial, marine, and freshwater environments from the Arctic to the Antarctic, including great depths and altitudes. It is also known as "Water bears". This is the most likely description of