Name the major biomes of the earth .

Three major parts of the ear.

If R is the radius of the earth and g the acceleration due to gravity on the earth's surface, the mean density of the earth is

Name the oceans of the earth.

Name the major classes of point defects?

Name the major site where RBCs are formed.

Questions based on paragraph : Earthquakes refers to sudden vibrations on the Earth's surface and shaking of the earth . This leads to generation of seismic waves causing tremors or shaking of Earth's surface . The focal point of earthquake is the point below the epicenter on the earth surface . the major loss occurs near the area where strong convulsions or waves first reach the epicenter . earthquakes can be mild , uauslly occuring in larger numbers of intensified ( acute) , occuring rarely . the magnitude of the earthquake is measured in richter scale . : Based on the given paragraph answer the following questions : Name two modern equipments used to get prior intimation about earthquake .

Questions based on paragraph : Earthquakes refers to sudden vibrations on the Earth's surface and shaking of the earth . This leads to generation of seismic waves causing tremors or shaking of Earth's surface . The focal point of earthquake is the point below the epicenter on the earth surface . the major loss occurs near the area where strong convulsions or waves first reach the epicenter . earthquakes can be mild , uauslly occuring in larger numbers of intensified ( acute) , occuring rarely . the magnitude of the earthquake is measured in richter scale . : Based on the given paragraph answer the following questions : What is a seismometer ?

The major product of the reaction

Observe the given graph , representing distribution of major biomes and answer the following questions : . (i) On what basis the major biomes are categorized ?

Name two major divisions of cell structure.