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12th Biology Weekly Test -1 ( Zoology - Biodiversity and its Conservation )

St. Britto Hr. Sec. School - Madurai

12th Biology Weekly Test -1 ( Zoology - Biodiversity and its Conservation )-Aug 2020

Time : 1.30 Hours

Part - A

Multiple Choice Question - Answer All Question

The Species-Area relationship was given by _________

Walter Rosen
Humboldt
Wilson
Darwin

The red data bookis maintained by __________

WWF
ENVIS
IUCN
NBA

_________ is not a hotspot in India.

Sunderbans
Pichavaram
Himalayas
Western Ghats

Red list has ________ categories.

7
6
8
12

Which of the following region has maximum biodiversity

Taiga
Tropical forest
Temperate rain forest
Mangroves

Conservation of biodiversity within their natural habitat is

Insitu conservation
Exsitu conservation
In vivo conservation
In vitro conservation

Who introduced the term biodiversity?

Edward Wilson
Walter Rosen
Norman Myers
Alice Norman

Extinction of Dodo bird and extinction of Calvaria tree is the example of:

Mass extinction
Co-extinction
Over exploitation
Exotic species invasion

Which one of the following is not coming under insitu conservation

Sanctuaries
Natural parks
Zoological park
Biosphere reserve

Which of the following is considered a hotspots of biodiversity in India

Western ghats
Indo-gangetic plain
Eastern Himalayas
A and C

Part - B

Generic 2 - Answer All Question

Name the types of extinctions.

What are the three levels of biodiversity?

‘Red data book’-What do you know about it?

Why do animals have greater diversification than plant diversity?
Give an equation for Species-Area relationship on a log scale.

What is habitat fragmentation?

Part - C

Generic 3 - Answer All Question

Where are biodiversity hotspots normally located? Why?

Why is biodiversity so important and worthy of protection?

Why is extinction of species considered to be the most severe aspect in loss of biodiversity?
What are exotic species?

Why has the dodo become extinct?

What is Red Data Book or Red list?

Part - D

Generic 5 - Answer All Question

Write the general strategies in conservation?

Mention the reasons for the richness biodiversity in the tropics.
What is mass extinction? Will you encounter one such extinction in the near future. Enumerate the steps to be taken to prevent it.

Write a note on gene banks.

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