Resouces chapter 1 geo

which one is a biotic resource

• Plant

• basin

• Salt

• River

Which one of the following statements is true about the term resources?

• Resources are free gifts of nature.

• They are the functions of human activities.

• All those things which are found in nature.

• Things which cannot be used to fulfill our needs.

Which of the following is not important for soil formation?

• Relief

• Parent rock

• Climate

• Duration of day

land resources are used for the following purposes

• forest

• roads

• grazing land

which of the following sentences about arid soil is true

• it ranges from red to brown in colour

• they are generally loamy in nature

• salt content is moderate

• the lower horizons of the soil are occupied by Kankar because of the increasing calcium content upwards

Which one of the following soils is ideal for growing cotton?

• Regur soil

• Laterite soil

• Desert soil

• Mountainous soil

Area sown more than once in an agricultural year plus net sown area is known as:

• Net sown area

• Forest cover

• Waste land

• Gross cropped area

In which of the following States mining has caused severe land degradation?

• Gujarat

• Jharkhand

• Kerala

• Uttaranchal

Red soil is mostly found in:

• Parts of Jammu & Kashmir

• Upper Ganga Plains

• Eastern and Southern part of Deccan Plateau

• None of the above

here C represnts

• top soil

•  substratum weathered parent rock material

• subsoil weathered rocks sand and silt clay

• unweathered rocks sand and silt clay