Tag: need of conservation

Questions Related to need of conservation

Many birds from Siberia come to India, during winter months, in the search of 

  1. Warm climate and food

  2. Cool climate

  3. Water availability

  4. None of the above


Correct Option: A
Explanation:

The correct answer is 'warm climate and food'

Birds from Siberia such as the Siberian cranes come to India during winter months as they are cold-blooded animals and cannot survive in the extreme winters of their country. Food production and availability also reduces during winters making these the prime reasons for their migration to India.

Which one of the following statements are correct?
$1$. Migration leads to the redistribution of the population within a country.
$2$. Migration act as agents of social change.
$3$. Migration leads to segregation of people from diverse cultures.

  1. Only $1$ and $2$

  2. Only $1$ and $3$

  3. Only $2$ and $3$

  4. $1, 2$ and $3$


Correct Option: A
Explanation:
 Migration is relocating from one country to another hence, there is redistribution of the population within a country. Migration acts as agents of social change as for example -new ideas regarding modern technology are diffused from urban to rural population because of migration.
So, the correct answer is 'Only 11 and 2'

Which of these animals migrate the farthest?

  1. Panda

  2. Mali elephants

  3. Monarch butterflies

  4. Army ants


Correct Option: C

Which of the following helps to preserve the biosphere for future generations?

  1. Make use of technology to develop new herbicides

  2. Put all wild animals in game preserves

  3. Explore ways to drain and fill wetlands along the seacoast

  4. Understand how living things interact with their environment

  5. Settle more people inland, away from the coasts


Correct Option: D
Explanation:

The biosphere can be defined as a global ecological system that integrates all living beings and their relationships with other elements of the lithosphere, geosphere, hydrosphere and atmosphere. To preserve the biosphere for future generations, one needs to understand the livings things present and how they interact with their environment and the extent to with they are interdependent.

So, the correct option is D.

How do national parks help in conservation of wildlife?

  1. They protect wildlife

  2. They avoid pollution

  3. They protect different ecosystems

  4. They protect all types of flora


Correct Option: C

How is increase of human population a threat to wildlife?

  1. More population results in increased use of food, water and fuel

  2. Results in more use of water

  3. Results in pollution

  4. Results in use of resource


Correct Option: A

All the organisms of the animal kingdom are termed as 

  1. Fauna

  2. Protozoans

  3. Flora

  4. Wild life


Correct Option: A

Which of the following conditions causes the extinction of species?

  1. Lack of flora

  2. Lack of favourable climatic condition

  3. High temperatures

  4. All of the above


Correct Option: D

 .............. species are the species which face the danger of extinction due to the hard conditions to survive.

  1. Threatened

  2. Extinct

  3. Migratory species

  4. All of the above


Correct Option: A
Explanation:

Threatened species are the species which face the danger of extinction due to the hard survival conditions. Giant tortoise, African elephant, polar bear are some examples of threatened species. Extinct species are species who has died out. Extinction means no more individuals of that species is alive anywhere in the world. Passenger pigeon, black soft-shell turtle, Guam kingfisher are examples of extinct species. Migratory species are those animals that migrate to Australia or pass over Australian waters during their annual migrations. Whales, turtles, Monarch butterfly are some examples of migratory species. 

Thus, the correct answer is option A.

Which of the following are endangered species?

  1. Polar bears

  2. Giant pandas

  3. Rhinos

  4. All of the above


Correct Option: D
Explanation:

Endangered species are those species which are at very high risk of extinction. Due to loss of polar bears' habitat which has resulted from climate change, they are considered as an endangered species. Due to habitat destruction and food shortage, giant pandas are also considered as endangered species. Rhinos are considered as endangered species because of rising demand for the horn of rhinos. 

Thus, the correct answer is option D.