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Free Download as PDF of the detailed solutions for class 12 Biology from NCERT or CBSE text book as per exam pattern, to help you in day to day learning. We provide all important questions and answers from chapter Biodiversity & Conservation of Biology.
(1)
The list prepared by International Union for Conservation of Nature and Natural Resources for endangered species is classified as
[1]
Brown List
[2]
White List
[3]
Black List
[4]
Red List
(2)
How many bio-geographical regions are present in India?
(3)
Conservation of grasslands is done by
[1]
Protection from grazing of severely damaged vegetation
[2]
Rotational grazing
[3]
Conservation of soil and water
[4]
all of these
(4)
Objective Forest Act 1927 is
[1]
Setting up and managing reserved forests, protected forests and village forests
[2]
Control of movement of forest product
[3]
Protection of non government forests and forest land
[4]
All of the above
(5)
Blue whale is placed under
[1]
endangered
[2]
critically endangered
[3]
extinct
[4]
rare
(6)
Hot spots are regions of high
[1]
rarity
[2]
endemism
[3]
critically endangered population
[4]
diversity
(7)
Endemic species are
[1]
rare species
[2]
species localised in a specific region
[3]
cosmopolitan in distribution
[4]
critically endangered species
Answer: species localised in a specific region
(8)
One of endangered species of Indian medicinal plants is that of
[1]
Ocimum
[2]
Nependenthes
[3]
Garlic
[4]
Podophyllum
(9)
Which of the following represent maximum number of species among global biodiversity?
[1]
Algae
[2]
Lichens
[3]
Fungi
[4]
Mosses and Ferns
(10)
Red data book contains data of
[1]
all plant species
[2]
all animal species
[3]
economically important species
[4]
threatened species
Answer: threatened species
(11)
Which of the following region has maximum diversity
[1]
mangrooves
[2]
temperate rainforest
[3]
taiga
[4]
coral reefs
(12)
Ex situ conservation includes
[1]
Zoo
[2]
Botanic garden
[3]
Germplasm bank
[4]
all of the above
(13)
An inexhaustible non-conventional universal source of energy is
[1]
Wind energy
[2]
Solar energy
[3]
Hydrothermal energy
[4]
Tidal energy
(14)
The term used for species which is in danger of being extinct in near future is
[1]
degradability
[2]
extinct
[3]
endangered
[4]
global biodiversity
(15)
Grasslands in India includes
[1]
12% total land area
[2]
14% total land area
[3]
18% total land area
[4]
20% total land area
Answer: 18% total land area
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