Extinction

Q.

How many species go extinct every day?

Q. The dodo is a/an species of birds.

1. endangered
2. critically endangered
3. rare
4. extinct

Q.

Which of the following correctly explains extinction?

1. Death of first individual of endangered species.

2. Death of many individuals of the species.

3. Death of the first individual of the species.

4. Death of the last individual of the species.

Q. Which of the following factors endanger the existence of endemic species?

1. Destruction of habitat
2. Establishing a national park
3. Increasing human population
4. Introduction of new species

Q. Vultures and Hyenas are (Choose the most appropriate answer)

1. herbivores
2. decomposers
3. omnivores
4. scavengers

Q. Extinction is a natural process that has occurred throughout the history of life on Earth. In the 21st century, extinction is a big problem because:

1. the rate of extinction is much slower than ever before
2. the rate of extinction is much faster than ever before
3. there are fewer species that could become extinct than ever before
4. now we can record when it happens

Q. When the number of individuals in a species becomes so small that the species may not survive, the species is:

1. endangered
2. troubled
3. extinct
4. threatened

Q. What effect does the extinction of animals have on biodiversity?

1. Extinction contributes to an increase in biodiversity.
2. Extinction contributes to a decrease in biodiversity.
3. Extinction randomly changes biodiversity in one direction or the other.
4. Extinction has no impact on biodiversity.

Q.

When we say that the Pink Headed Duck is extinct, we mean that:

1. No living member of the species exists in the wild

2. Non living member of the species exists

3. The species will definitely disappear in less than 5 years

4. There is only one living member of the species

Q.

There are only about 250 individuals of the Great Indian Bustard left in the world. What can you say about the status of this species?

1. Extinct

2. Will be threatened

3. Critically endangered

4. Of Least concern

Q. The term applied to a species that can no longer be found living is

1. troubled
2. threatened
3. extinct
4. endangered

Q. If none of the individuals within a particular species can survive to reproduce, what will happen to that species?

1. they will increase in number
2. they will become extinct
3. they will evolve into a new species
4. 
   they will adapt to a new environment

Q.

What are endangered species? [1 MARKS]

Q. What is an endangered species?

1. a species that has become domesticated
2. 
   
   a species that is included in catch and release programs
   
3. a species that is very aggressive
4. a species that is at risk of becoming extinct

Q. Only animals are facing extinction.

1. True
2. False

Q.

Studying deeper about the extinction Stephan found that maximum number of extinction of species took place in the 1800s, for example, quagga, great auk and so on. What was the major reason behind these extinctions?

1. Acid rain.

2. Hunting.

3. Increase in concentration of green house gases.

4. Air and water pollution.

Q.

Stephan was watching the movie 'Ice age'. He came across some of the characters who are extinct now. Which among the following characters are extinct?

1. All (Dab, Jennifer, Manny)

2. Manny (Woolly Mammoth)

3. Dab (Dodo bird)

4. Jennifer (Ground sloth)

Q.

Extinction can be viewed as the failure of a species to keep up with changing environmental conditions. True or False?

1. True

2. False

Q. Which of the following are most prone to extinction due to deforestation?

1. Animals
2. Plants
3. Birds
4. Microbes

Q. ___ are going extinct faster than endangered ___.

1. Plants, animals
2. Animals, plants
3. Humans, animals
4. Humans, plants

Q. Dodo birds became extinct in the year 1681 as a result of hunting.

1. True
2. False

Q. What is the fate of this line, "The first organisms who invaded the Earth were Plants"

Q.

Plant species are more vulnerable to extinction than animals because:

1. both A and B
2. plants cannot move around and so are more prone to extinction
3. none of these
4. humans depend on plants more than animals

Q. Which animal falls under the category of extinct species?

1. Ostrich
2. Cheetah
3. Lion
4. Dodo bird