What Is Latitudinal Gradient of Biodiversity

Q.

Which one of the following is an example of Ex-situ Conservation?

1. Wildlife sanctuary

2. Sacred groves

3. Seed bank

4. National park

Q.

CO2 fixation rate at light intensity in- C3 and C4 plants

Q.

What are the sources of radiation?

Q.

Edit the following paragraph:

Dolphins and killer whales have learned an elaborate routine to entertain aquarium audiences. They are thought by men to be even more scientifically intelligent than me. In the scientific experiment, they showed a great skill for distinguish between objects

Q. Greater biological diversity of tropics than temperate regions is due to the :

Q. How is our quality of life affected if, say, instead of 20, 000 we have only 15, 000 species of ants on earth?

Q.

What is gamma diversty?

Q.

Which one of the following is an example of ex-situ conservation?

1. Wildlife sanctuary

2. Seed bank

3. Sacred groves

4. National park

Q. State whether true or false:
Species richness is the biodiversity of a given area.

1. True
2. False

Q.

what is the importance of natural resource? why is it necessary to conserve them?

Q.

How many amphibian species are found in South America’s Amazonian rain forest?

1. 430

2. 427

3. 1000

4. 3000

Q. In general, latitudinal gradient states that species diversity as we move away from the equator towards the poles.

1. increases
2. decreases
3. same
4. can be predicted

Q.

The organization which publishes the red list of species is

1. WWF

2. IUCN

3. ICFRE

4. UNEP

Q. What is the pattern whereby a greater number of species is present closer to the equator and fewer present away from it?

1. Podophyllum
2. Ocinum
3. Garlic
4. Nepenthes

Q.

What do you understand by exploitation of resources with short term aims? State any four advantages of it.

Q. Species richness can be defined as

1. Number of species in a given area
2. Number of organisms per unit area
3. Total number of species on earth
4. Number of individuals in a population per unit area

Q.

Rajaji National Park is situated in ____________.

1. Rajasthan

2. Karnataka

3. Uttarakhand

4. Tamil Nadu

Q. Assertion :Tropical regions had got a long evolutionary time for species diversification as compared to temperature regions. Reason: Temperature regions have undergone frequent glaciations in the past whereas tropical regions have remained relatively undisturbed for millions of years.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. The diversity of insects ___.

1. Decreases as you move away from the poles
2. Increases as you move towards the equator
3. Stays the same as you move towards the equator
4. Is independent of the latitudes
5. Is high in the tropics

Q. The diversity of insects ___.

1. Decreases as you move away from the poles
2. Increases as you move towards the equator
3. Stays the same as you move towards the equator
4. Is independent of the latitudes
5. Is high in the tropics

Q. Species richness can be defined as

1. Number of individuals in a population per unit area
2. Number of species in a given area
3. Number of organisms per unit area
4. Total number of species on earth

Q.

Which of the given is an ex-situ conservation strategy of biodiversity?

1. Wildlife sanctuary

2. National parks

3. Sacred groves

4. Seed bank

Q. Give three hypotheses for explaining why tropics show the greatest levels of species richness.

Q. According to, May's global estimates how many species of plants and animals, respectively, are yet to be discovered and described from India?

1. 50, 000 and 90, 000
2. 3, 00, 000 and 90, 000
3. 3, 00, 000 and 1, 00, 000
4. 1, 00, 000 and 3, 00, 000

Q. At which latitude, heat gain through insolation approximately equals heat loss through terrestrial radiation?

1. 22$1/\mathring{2}$ North and South
2. ${66}^o$ North and South
3. ${40}^o$ North and South
4. 42$1/\mathring{2}$ North and South

Q.

Among the following geographical locations, where could one expect huge biological diversity?

1. GM plants

2. New substance of utility

3. New species of plants

4. Wind energy

Q. Which of the following organisms show latitudinal gradients?

1. Wildlife Sanctuary
2. Seed bank
3. Sacred groves
4. National Park

Q. Why do we need to use our resources carefully?

Q. Natural pest controlling methods are useful to biodiversity. Explain.

Q. Giving two reasons explain why there is more species of biodiversity in tropical latitudes than in temperate ones.