Tag: need to conserve biodiversity

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Multiple choice evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

Extinction of biodiversity is caused by the habitat degradation, fragmentation, over-harvesting and introduction of new species, described as

  1. Evil quartet

  2. Four horsemen

  3. Both A and B

  4. Succession
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Evil quartet or four horsemen of the ecological apocalypse explains the four main human-induced causes of extinction which were habitat degradation, fragmentation, the introduction of exotic species and over-harvesting. Thus, the correct answer is option C.

Multiple choice evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

The phrase "evil quartet" was coined by

  1. G. Donnan

  2. J. Daimond

  3. P. Erlich

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Jared Diamond, a biologist coined the phrase 'evil quartet' to explain the four main human-induced causes of extinction which were habitat degradation, fragmentation, the introduction of exotic species and over-harvesting. Thus, the correct answer is option B.

Multiple choice evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

All non-domesticated and non-cultivated biota in the natural environment are termed 

  1. Wildlife

  2. Ordinary life

  3. Domesticated life

  4. Stray life
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
 The term biota refers to a group of animals, plants or other organisms that share the same geographical region. All non domesticated and non cultivated biota in natural environment are called wild life. E.g. Lion, deer etc and plants like sunflower, thyme present in the natural environment.
So, the correct answer is 'Wildlife'
Multiple choice evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

Which monkey has prehensile tail?

  1. Spider monkey

  2. Semnopithecus

  3. Rhesus monkey

  4. Bonnet monkey
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

There are two main groups of monkeys, 'New World monkeys' and 'Old World monkeys. Monkeys in South and Central America are called as 'New World monkeys', whereas monkeys in Africa, Asia, and Europe are called as 'Old World monkeys'. New World monkeys include marmosets, capuchins, howler monkeys, squirrel monkeys, and spider monkeys. New World monkeys are arboreal, and some have long, slender limbs, that permit easy movement in the trees. A few have prehensile tails capable of wrapping around branches and serving as fifth limbs. Thus, the correct answer is option A.

Multiple choice evs - i rules are for everyone need to conserve biodiversity protecting our environment biodiversity loss and need for conservation sustainability of natural resources adaptations - mangrove swamps, fast flowing rivers and treetops halophiles

Restoration of ecological equilibrium in mined areas can be achieved through

  1. Revegetation of the mined habitats

  2. Conversion of mined habitats into agricultural ecosystems

  3. Prevention of soil erosion

  4. Prevention of grazing
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A number of world's ecosystems have undergone significant degradation leading to a negative impact on the biodiversity and livelihood. One such ecosystem that has depleted over the years is the mined habitats. Since the mineral rich areas are also rich in forest resources. However continuous mining activities tend to change the ecological equilibrium. Restoration of the ecological equilibrium of the mined areas can be achieved by understanding the ecology, plant succession and soil types of the place and revegetation of the spoils .

Multiple choice evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

Who gave rivet popper hypothesis?

  1. E.P. Odum

  2. Paul Ehrlich

  3. Ram Deo Misra

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

Paul Ehrlich, an ecologist, gave the rivet popper hypothesis. The hypothesis explains the important role played by each species in an ecosystem. It compares the ecosystem with an airplane and says if you keep popping rivets (species), the plane will no longer fly. It also explains the role of different species in an ecosystem.

So, the correct answer is 'Paul Ehrlich'.