Tag: main natural resources

Quizzes (20) Questions (110)

Questions Related to main natural resources

Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

A similarity among black buck, gharial and rhinoceros and marsh crocodile is that they are

  1. Endangered species

  2. Oviparous

  3. Animals with thick chitinous skin

  4. Found in forests of north-East India
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The similarity between black buck, gharial, rhinoceros and marsh crocodile is that they all are endangered species as they are likely to extinct in near future.

Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

Match Column I with Column II and select the correct option from the codes given below.

Column I Column II
(a) Endemic species (i) Species that exist in very small number
(b) Endangered species (ii) Species found exclusively in a particular area
(c) Vulnerable species (iii) Species that are likely to become endangered
(d) Rare species (iv) Species that are likely to get extinct in the near future

  1. a- (ii), b- (iii), c- (i), d- (iv)

  2. a- (iv), b- (ii), c- (iii), d- (i)

  3. a- (iii), b- (i), c- (ii), d- (iv)

  4. a- (ii), b- (iv), c- (iii), d- (i)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

An endemic species is a plant or animal species with a habitat restricted to one area. An endangered species is a species which are less in number and can be extinct in near future. A vulnerable species is a species of animals or plants, which are likely to become endangered unless something changes. A rare species is a group of organisms that are very uncommon, scarce, or infrequently encountered. Thus, the correct answer is option D.


Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

Which of the following is an extinct species?

  1. Duck

  2. Dodo

  3. Dinosaur

  4. Both B and C
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The dodo (Raphus cucullatus) is an extinct flightless bird that was endemic to the island of Mauritius, east of Madagascar in the Indian Ocean. About 65 million years ago the greatest mass extinction in earth history occurred, resulting in the loss of the dinosaurs.

Therefore, the correct answer is option D.

Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

Reasons that the population size of an exotic species often grows rapidly when the species is introduced in a new environment include which of the following?
(i) The exotic species is resistant to pesticides.
(ii) There is a large, underutilised food source in the new environment.
(iii) The exotic species has few natural predators in the new environment.

  1. (i) only

  2. (ii) only

  3. (i) and (iii) only

  4. (ii) and (iii) only
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Exotic species are those species which are introduced from distant or foreign region. These species grows very fast as in the new area there are no or less competition for food and space, and also less predators and hence they show rapid reproduction and fast dispersal ability.
So, the correct answer is option D.
Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

Dodo is a

  1. Rare species

  2. Extinct species

  3. Endangered species

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

Dodo was a bird which cannot fly. This bird was found in the regions of Madagascar. The birds were transported by humans to different places. The bird got extinct about in the years of 1688-1700 because they were commonly used as food by the Dutch people. The fossils of the bird were found in the regions near Madagascar. There are cast and molds made of this bird which is present in the museums.

Thus, the correct answer is option B. 

Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

The death of the last individual of a species is called as

  1. Extinction

  2. Rare

  3. Endangered

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

The species that no more exist on earth are known as extinct species Eg. dinosaurs. The species which are on the verge of extinction and which are required to be protected and conserved are known as endangered or threatened species, Eg. tiger. A rare species is a group of organisms that are very uncommon, scarce, or infrequently encountered. Thus, the correct answer is option A.

Multiple choice biology main natural resources classification of threatened species red data book conservation of wildlife

What is an endangered animal?

  1. An animal on the verge of extinction

  2. An animal which is extinct

  3. An animal that is dangerous to humans

  4. An animal that is dangerous to other animals
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

  • Endangered species is a species of animals or plants that are at risk of extinction in the near future due to the extensive activities of the human. The number of these species is drastically reduced. 
  • If these species are not conserved or taken care of, then these species will be extinct. 
  • Example, one horned Rhinoceros, Bengal tiger etc

So, the correct answer is 'An animal on the verge of extinction'