Tag: the biosphere

Quizzes (33) Questions (22)

Questions Related to the biosphere

Multiple choice geography climate and natural vegetation equatorial climatic region climatic regions the biosphere natural regions natural regions of the world

Which of these statements is not a valid reason for depletion of flora and fauna?

  1. Agricultural expansion

  2. Large scale developmental projects

  3. Grazing and fuel wood collection

  4. Rapid industrialisation and urbanisation

  5. None of these
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Agricultural expansion, large-scale developmental projects, grazing, fuel wood collection, and rapid industrialization are all major valid reasons for the depletion of flora and fauna. Since all listed options are valid causes, none of these is the correct choice for a non-valid reason.

Multiple choice geography climate and natural vegetation equatorial climatic region climatic regions the biosphere

Deserts are characterised by ________.

  1. scanty vegetation

  2. heavy precipitation

  3. low evaporation

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

It is an arid region characterized by extremely high or low temperatures and has scarce vegetation. The people living in desert areas have learned to cope with extremely harsh temperatures; in some places as hot as fire and some as cold as ice.

Multiple choice geography climate and natural vegetation equatorial climatic region climatic regions the biosphere natural regions natural regions of the world

Which one of the following regions, comes under the equatorial climate?

  1. Desert of Chile

  2. Amazon-basin

  3. Plain of Brazil

  4. Pampass
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Amazon Basin is characterized by high temperatures and heavy rainfall throughout the year, which is the hallmark of an equatorial climate.

Multiple choice geography climate and natural vegetation equatorial climatic region climatic regions the biosphere natural regions natural regions of the world

Deforestation leads to a _________.

  1. Increase in water holding capacity of soil

  2. Decrease in water holding capacity of soil

  3. Increased fertility of soil

  4. Decreased pollution level
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Deforestation leads to a decrease in water holding capacity of the soil. The movement of water from the soil surface to the ground  may lead to floods.

Multiple choice geography climate and natural vegetation equatorial climatic region climatic regions the biosphere natural regions natural regions of the world

The kind of vegetation in the tropical rain forest is ___________.

  1. Shrubs.

  2. Acacias.

  3. Deodar.

  4. Palm.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The tropical rainforest is a hot, moist biome where it rains all year long. It is known for its dense canopies of vegetation that form three different layers

The top layer or canopy contains giant trees that grow to heights of 75 m (about 250 ft) or more.
The middle layer, or understory, is made up of vines, smaller trees, ferns, and palms.
The bottom layer or floor of the rainforest is covered with wet leaves and leaf litter.

Multiple choice geography the biosphere alternatives for minimising depletion of natural resources components of environment effects and successes of environment conservation

Substances which break into simpler substances in course of time are __________.

  1. Biological substances

  2. Biodegradable substances

  3. Non-biodegradable substances

  4. Pro-magnifying substances
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

  • Biodegradable substances are those substances which are broken down into simpler, harmless substances in nature in due course of time by the biological processes such as micro organisms like certain bacteria.