Natural sources of air pollution are

(1) Forest fires

(2) Volcanic eruptions

(3) Dust storm

(4) Smoke from burning dry leaves

Which one of the following is the correct sequence of the ecosystem in the order of decreasing productivity?

(1) Oceans, mangroves, lakes, grassland

(2) Mangroves, oceans, grassland, lakes

(3) Oceans, lakes, grassland, mangroves

(4) Mangroves, grasslands, lakes, oceans

Evergreen type Forests are found in

(1) Mediterranean region

(2) Monsoon climatic area

(3) Desert region

(4) Equatorial region

The maximum biodiversity is found in

(1) Tropical rain forests

(2) Temperate forests

(3) Coniferous forests

(4) Arctic forest

 In _______ forests, trees shed their leaves in a particular season.

(1) evergreen

(2) mangrove

(3) deciduous

(4) thorny

Biosphere refers

(1) the area of the land inhabited by living organism

(2) the part of ocean inhabited by plants and animals

(3) the portion of the earth, including the oceans, the land, the soil, and the atmosphere inhabited by living organisms

(4) the atmosphere surrounding the living organisms

Which of the following phenomena is supposedly associated with global warming?

(1) El Nino

(2) La Nina

(3) El Nino Modoki

(4) Southern Oscillation

The one who is engaged in scientific drawing of maps is called

(1) Geographer

(2) Cartographer

(3) Meteorologist

(4) Geologist

The science of map-making is

(1) Cartography

(2) Geography

(3) Carpology

(4) Geology

The instrument used for measuring area on maps is called

(1) Planimeter

(2) Eidograph

(3) Pantograph

(4) Opisometer

The land of maximum biodiversity is

(1) Tropical

(2) Temperate

(3) Monsoonal

(4) Equatorial