Tag: conservation of forest and wildlife

Questions Related to conservation of forest and wildlife

Multiple choice evs forests and life forest - the dwelling place of animals forest and its importance introduction to forests conservation of forest and wildlife wildlife

In 1900, the forest cover of the world comprised

  1. 2500 million ha

  2. 7000 million ha

  3. 5500 million ha

  4. 1700 million ha

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In 1900, the forest cover of the world comprised about 7000 million hectors. In 2000, the forest cover of the world comprised only about 2370 million hector’s. It indicates that more than 50% of the tropical forests were converted into agricultural land.

Thus, the correct answer is '7000 million ha.'

Multiple choice evs forests and life forest - the dwelling place of animals forest and its importance introduction to forests conservation of forest and wildlife wildlife

Forest department has been able to maintain biodiversity by growing Pine, Teak and Eucalptus on large tracts.

  1. True

  2. False

  3. Nither

  4. Either

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Monoculture plantations (growing only one species like Pine or Eucalyptus) generally reduce biodiversity compared to natural, diverse forest ecosystems.

Multiple choice evs forests and life forest - the dwelling place of animals forest and its importance introduction to forests conservation of forest and wildlife wildlife

A natural resource is a substance/commodity that is a gift of nature which is very useful to mankind.

  1. True

  2. False

  3. Nither

  4. Either

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Natural resources are indeed defined as materials or substances that occur in nature and can be used for economic gain or human survival.

Multiple choice evs forests and life forest - the dwelling place of animals forest and its importance introduction to forests conservation of forest and wildlife wildlife

'Social foresty' aims at

  1. growing different types of plantations together

  2. growing one type of tree on the land

  3. management of forests by village bodies

  4. management of forests by cooperative societies.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Social forestry refers to the management and protection of forests and afforestation on barren lands with the purpose of helping environmental, social, and rural development, often involving local communities.

Multiple choice evs whose forests? improved methods of agriculture cropping patterns food for all conservation of forest and wildlife wildlife deforestation and conservation

World's most problematic aquatic weed is ________________.

  1. Azolla

  2. Wolffia

  3. Elchhornia

  4. Trapa

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Eichhornia crassipes (water hyacinth) is the world's most problematic aquatic weed, also called "Terror of Bengal". Because of its very high rate of growth, it can cover the surface of whole water bodies, choke them and cause a threat to other aquatic life forms.

Multiple choice evs whose forests? improved methods of agriculture cropping patterns food for all conservation of forest and wildlife wildlife deforestation and conservation

Why you never see cattle or goats browsing on weed Calotropis?

  1. The plant produces highly poisonous tannin

  2. The plant produces quinine which is bitter in taste

  3. The plant produces cardiac glycosides

  4. The plant bears prickles

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Prey species have evolved various defenses to lessen the impact depredation. For pant, herbivores are the predators plants have evolved an astonishing verity of morphological and chemical defense against herbivores. Calotropis produces highly see any cattle or goat browsing on this plant. A wide variety of chemical substance that we extract from plants on a commercial scale (nicotine, caffeine, quinine, strychnine, opium, etc.) are produced by them actually as defenses against grazers and browsers. So, the correct answer is 'The plant produces cardiac glycosides'.