Biodiversity and its conservation

 

CH – 15 BIODIVERSITY

A)     MULTIPLE CHOICE QUESTIONS:

CHOOSE THE CORRECT ANSWER:-

1.      The known and described number of species of all organisms on the earth is between

                                            I.            1.7-1.8 million

                                          II.            5 million

                                        III.            17 million

                                        IV.            10 million

 

2.      Of the total known species today, the maximum number is of

                                            I.            Higher plants

                                          II.            Mammals

                                        III.            Bacteria

                                        IV.            Insects

 

3.      Alpha diversity refers to diversity of organisms

                                            I.            Within community

                                          II.            Between the communities

                                        III.            Between ecosystems

                                        IV.            In a landscape

 

4.      The most biodiversity rich zones of India are

                                            I.            Deccan Peninsula

                                          II.            Western Ghats and North-East

                                        III.            Andaman and Nicobar islands

                                        IV.            Gangetic plain and Himalaya

 

5.      Biodiversity varies with change in latitude and altitude. It

                                            I.            Decreases from high to low latitudes

                                          II.            Increases from low to high latitude

                                        III.            Decreases from high to low altitude

                                        IV.            Increases from high to low altitude

 

6.      Anthropogenic extinction refers to extinction

                                              I.            At a fast rate

                                            II.            Slow rate

                                          III.            By human activities

                                         IV.            Of large number of species

 

7.      The Earth Summit held at Rio de Janerio in 1992 resulted into

                                            I.            Compilation of Red list

                                          II.            Establishment of biosphere reserves

                                        III.            Convention on biodiversity

                                        IV.            IUCN

 

8.      The IUCN Red list gives information about

                                            I.            Threatened plants

                                          II.            Threatened animals

                                        III.            Threatened plants and animals

                                        IV.            Extinct plants and animals only

 

9.      A rare species is normally

                                            I.            Endangered

                                          II.            Vulnerable

                                        III.            Found in small number

                                        IV.            Critically endangered

 

10.    Most priority on conservation should be given to

                                            I.            Extinct species

                                          II.            Endangered species

                                        III.            Vulnerable species

                                        IV.            Rare species

 

11.    In situ conservation involves protection by

                                            I.            Cryopreservation

                                          II.            Gene banks

                                        III.            Biosphere reserves

                                        IV.            Botanical gardens

 

12.    Ex situ conservation means

                                            I.            Off site conservation

                                          II.            On site conservation

                                        III.            Conservation in National Parks

                                        IV.            Conservation in Biosphere Reserves

 

13.    Core zone of a biosphere

                                            I.            Is undisturbed area

                                          II.            Has limited human activity

                                        III.            Is used for educational and research purpose

                                        IV.            Is used by tribal people only

 

14.    Cryopreservation is preservation

                                            I.            At very low temperature

                                          II.            In sacred forests

                                        III.            In gene banks

                                        IV.            In protected areas

 

15.    Hotspots are regions on earth that

                                            I.            Have very hot climate

                                          II.            Are tropical regions

                                        III.            Have rare species

                                        IV.            Are rich in endemic species

 

16.    So far, number of hotspots identified in India are

                                            I.            2

                                          II.            3

                                        III.            4

                                        IV.            6

 

17.     The following is a hotspot region in India

                                            I.            Northern Himalayas

                                          II.            western Ghats

                                        III.            peninsula region

                                        IV.            Andaman and Nicobar islands

 

18.    The exotic  species introduced into Lake Victoria was

                                              I.            Cichlid fish

                                            II.            Nile perch

                                          III.            Lantana Camara

                                         IV.            Lotus

 

19.    The following chemical is not derived from plants

                                            I.            Morphine

                                          II.            Quinine

                                        III.            Taxol

                                        IV.            Lac

 

20.    Plant genera Magnolla is found in

                                            I.            Western Ghats

                                          II.            Eastern Himalaya

                                        III.            Sunderbans

                                        IV.            Pachmarhi

 

21.    Hotspot of biodiversity are areas with

                                            I.            Little biodiversity

                                          II.            Maximum biodiversity

                                        III.            Maximum conservation

                                        IV.            I and iii

 

 

FILL IN THE BLANKS:

 

1.      Biodiversity refers to the totality of--------------,----------------and ----------------of a region.

2.      Within-community diversity is called----------------.

3.      ---------------------are traditional protected areas.

4.      Exotic species have a larger impact, especially in---------------.

5.      Between-community diversity is called---------------.

6.      --------------and--------------in India are among the 25 global biodiversity hotspots.

7.      Biodiversity increases from--------------to the equator.

8.      --------------animal species and ------------------plant species in India are characterized as critically endangered in the Red list.

9.      As of September 2002, India had -------------protected areas.

10.  The core area in a biosphere reserve is surrounded by the ---------------zone which, in turn is surrounded by------------zone.

 

ONE WORD SUBSTITUTE:

 

1.      Diversity of organisms sharing the same community.

2.      One of a very rich biodiversity zone of India.

3.      A plant from which morphine is obtained.

4.      Endemic fish of Lake Victoria.

5.      A catalogue that gives information about threatened species.

6.      Species that have disappeared from wild as well as from cultivation.

7.      A special protected area where people form an integral part of the system.

8.      A water body in Sikkim that has been declared sacred by the people.

9.      A hotspot region of India on the coastal region.

10.  A primitive plant genera found in eastern Himalaya.

 

ANSWERS:

MULTIPLE CHOICE QUESTIONS:

1.      I

2.      IV

3.      I

4.      II

5.      IV

6.      III

7.      III

8.      III

9.      III

10.  II

11.  III

12.  I

13.  I

14.  I

15.  IV

16.  II

17.  II

18.  II

19.  IV

20.  II

21.  II

 

FILL IN THE BLANKS:

1.      Genes; species; ecosystems

2.      Alpha diversity

3.      Sacred forests and sacred lakes

4.      Island

5.      Beta diversity

6.      Western Ghats; Eastern Himalayas

7.      Poles

8.      Sus salvanius; Berberis nilghirienis

9.      581

10.    Buffer; transitional

 

ONE WORD SUBSTITUTE:

1.      Alpha diversity

2.      Western Ghats/ North East

3.      Papaver somniferum

4.      Cichlid fish

5.      IUCN Red list

6.      Extinct

7.      Biosphere reserve

8.      Khecheopalri lake

9.      Western Ghats

10.  Magnolia/Betula