Deck 3: Ecology and Biodiversity

Question 1

Ultraviolet radiation which is not lethal but harm to the organism is

A)0.1 to 0.28 µm
B)0.28-0.32 µm
C)0.32-0.4 µm
D)0.4-0.5 µm

Answer 1

0.28-0.32 µm

Question 2

Ecological niche of an organism represents

A)The resource it utilizes
B)Functional role in the ecological system
C)The range of conditions that it can tolerate
D)all of these

Answer 2

all of these

Question 3

Respiratory roots are known as

A)velamen
B)pneumatophores
C)hydathodes
D)prop roots

Answer 3

pneumatophores

Question 4

The gradual physiological adjustment to slowly changing new environmental conditions is known as

A)Selection
B)Introduction
C)Acclimatization
D)Quarantine

Question 5

Upper layer of water in a single body of water is known as

A)Hypolimnion
B)Epilimnion
C)thermocline
D)Hydroline

Question 6

The lower limit of water availability is soil is known as

A)field capacity
B)Hypolimnion
C)thermocline
D)wilting point

Question 7

MAB program stands for

A)Man and biotechnology
B)Material and biology
C)Man and Biology
D)Man and Biosphere

Question 8

Red data book contains data of

A)all plant species
B)all animal species
C)economically important species
D)threatened species

Question 9

IUCN (The International Union For Conservation Of Nature And Natural Resources) headquarters is at

A)Morges, Switzerland
B)Paris, France
C)Vienna, Austria
D)NewYork, USA

Question 10

IUCN is also called as

A)Man and Biosphere program
B)World Conservation Union
C)World Conservation Consortium
D)World Wide Conservation Union

Question 11

Which of the following region has maximum diversity

A)mangrooves
B)temperate rainforest
C)taiga
D)coral reefs

Question 12

Approximately, 50% of total world species are present on

A)tropical rain forest
B)temperate rain forest
C)temperate deciduous forest
D)coral reefs

Question 13

Biodiversity

A)increases towards the equator
B)decreases towards the equator
C)remains same throughout the planet
D)has no effect on change in latitude

Question 14

The most important reason for decrease in biodiversity is

A)habitat pollution
B)introduction of exotic species
C)over-exploitation
D)habitat destruction

Question 15

Dodo is

A)endangered
B)critically endangered
C)rare
D)extinct

Question 16

Blue whale is placed under

A)endangered
B)critically endangered
C)rare
D)extinct

Question 17

Conservation within the natural habitat is

A)insitu conservation
B)exsitu conservation
C)invivo conservation
D)exvivo conservation

Question 18

All are insitu conservation efforts except

A)National parks
B)Sanctuaries
C)Zoo
D)biosphere reserves

Question 19

Ex situ conservation includes

A)Zoo
B)Botanic garden
C)Germplasm bank
D)all of the above

Question 20

Hot spots are regions of high

A)rarity
B)endemism
C)critically endangered population
D)diversity

Question 21

Endemic species are

A)rare species
B)species localised in a specific region
C)cosmopolitan in distribution
D)critically endangered species

Question 22

What is the animal symbol of W. W. F (World Wildlife Fund) ?

A)Red Panda
B)Giant Panda
C)Tiger
D)Kangaroo

Question 23

The most important human activity, leading to the extinction of wildlife, is

A)Pollution of wildlife, is
B)Hunting for valuable wildlife products
C)Introduction of alien species
D)Alternation and destruction of the natural habitats

Question 24

If we uncover half of the forest, covering of the earth, what crisis will be produced at most and at first?

A)Some species will be extincted
B)Population and ecological imbalance will rise up
C)Energy crisis will occur
D)Rest half forests will maintain this imbalance

Question 25

When is the World Wildlife week ?

A)First week of September
B)Last week of September
C)First week of October
D)Last week of October