Tag: earth - our home

Questions Related to earth - our home

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

The first plants to reappear in a badly burned forest area will most probably be

  1. Liverworts

  2. Ferns

  3. Grasses

  4. Mosses

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
The ferns have two stages in their life cycle spore-bearing stage and sexually reproducing stage. Spore has a thick spore wall and is resistant to high temperatures and other environmental changes. The first plants to reappear in a badly burned forest area will most probably be ferns because its spores are resistant to fire.
So, the correct answer is 'Ferns'
Multiple choice evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

Which one of the following is not a conservation category of wildlife?

  1. Vulnerable

  2. Endangered

  3. Endemic

  4. Both A and B

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Vulnerable species are those that have been categorized by the International Union for Conservation of Nature as likely to become endangered unless the conditions harming their survival and reproduction are improved.
Endangered species are those that are at the risk of extinction.
Endemic species are those that exist only in one particular geographic region.
Thus the correct answer is option C.
Multiple choice evs earth - our home need to conserve biodiversity protecting our environment rules are for everyone

A biosphere reserve conserves and preserves

  1. Wild animals

  2. Land

  3. Natural vegetation

  4. All of the above

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

An area which is conserved to protect the biodiversity and culture of that area is known as biosphere reserve. A biosphere reserve is consisted of many protected areas like sanctuaries, national parks, lakes, lands mountains etc. 

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

Why should we conserve biodiversity?

  1. We should preserve the biodiversity we have inherited

  2. A loss of diversity may lead to a loss of ecological stability

  3. Both A and B

  4. None of these

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

Biodiversity is the variety of different types of life found on the Earth and the variations within species. It is a measure of the variety of organisms present in different ecosystems. we must preserve it as we have inherited it and maintain the ecological stability.

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 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'.