#15 Biology Class XII-Biodiversity and its Conservation (NEET, MHTCET) MCQ
1) Which one of the following pairs of organisms are exotic species introduced in India?
(a) Lantana camara, water hyacinth
(b) Water hyacinth, Prosopis cinereria
(c) Nile perch, Ficus religiosa
(d) Ficus religiosa, Lantana camara
Answer
(a) Lantana camara, water hyacinth
2) Which one of the following is not observed in biodiversity hot spots?
(a) Lesser inter-specific competition
(b) Species richness
(c) Endemism
(d) Accelerated species loss
Answer
(a) Lesser inter-specific competition
3) Which one of the following is an example of ex situ conservation?
(a) Wildlife sanctuary
(b) Seed bank
(c) Sacred groves
(d) National park
Answer
(b) Seed bank
4) Which one of the following is correct expanded form of the following acronyms?
(a) IPCC = International Panel for Climate Change
(b) UNEP = United Nations Environmental Policy
(c) EPA = Environmental Pollution Agency
(d) IUCN = International Union for Conservation of Nature and Natural Resources
Answer
(d) IUCN = International Union for Conservation of Nature and Natural Resources
5) A collection of plants and seed having diverse alleles of all the genes of a crop is called
(a) herbarium
(b) germplasm
(c) gene library
(d) genome
Answer
(b) germplasm
6) Biodiversity of a geographical region represents
(a) endangered species found in the region
(b) the diversity in the organisms living in the region
(c) genetic diversity in the dominant species of the region
(d) species endemic to the region
Answer
(b) the diversity in the organisms living in the region
7) Which of the following countries has the highest biodiversity? [NCERT Exemplar]
(a) South America
(b) South Africa
(c) Russia
(d) India
Answer
(a) South America
8) NCERT Exemplar]
(a) Lantana
(b) Cynodon
(c) Parthenium
(d) Eichhornia
Answer
(b) Cynodon
9) Which of the following is not an invasive alien species in the Indian context? [NCERT Exemplar]
(a) Lantana
(b) Cynodon
(c) Parthenium
(d) Eichhornia
Answer
(b) Cynodon
10) Where among the following will you find pitcher plant? [NCERT Exemplar]
(a) Rain forest of North-East India
(b) Sunderbans
(c) Thar Desert
(d) Western Ghats
Answer
(a) Rain forest of North-East India
11Which one of the following is not a major characteristic feature of biodiversity hot spots?
[NCERT Exemplar]
(a) Large number of species
(b) Abundance of endemic species
(c) Mostly located in the tropics
(d) Mostly located in the polar regions
Answer
(c) Mostly located in the tropics
12) Match the animals given in column I with their location in column II. [NCERT Exemplar]
Column I Column II
A.Dodo (i) Africa
B. Quagga (ii) Russia
C. Thylacine (iii) Mauritius
D. Stellar’s sea cow (iv) Australia
Choose the correct match from the following.
(a) A-(i), B-(iii), C-(ii), D-(iv)
(b) A-(iv), B-(iii), C-(i), D-(ii)
(c) A-(iii), B-(i), C-(ii), D-(iv)
(d) A-(iii), B-(i), C-(iv), D-(ii)
Answer
(d) A-(iii), B-(i), C-(iv), D-(ii)
13) What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum? [NCERT Exemplar]
(a) All are ornamental plants
(b) All are phylogenic link species
(c) All are prone to over exploitation
(d) All are exclusively present in the Eastern Himalayas.
Answer
(c) All are prone to over exploitation
14) The one-horned rhinoceros is specific to which of the following sanctuary? [NCERT Exemplar]
(a) Bhitar Kanika
(b) Bandipur
(c) Kaziranga
(d) Corbett park
Answer
(c) Kaziranga
15) Amongst the animal groups given below, which one appears to be more vulnerable to extinction? [NCERT Exemplar]
(a) Insects
(b) Mammals
(c) Amphibians
(d) Reptiles
Answer
(c) Amphibians
16) Which one of the following is an endangered plant species of India? [NCERT Exemplar]
(a) Rauwolfia serpentina
(b) Santalum album (Sandal wood)
(c) Cycas beddonei
(d) All of the above
Answer
(d) All of the above
17) What is common to Lantana, Eichhornia and African catfish? [NCERT Exemplar]
(a) All are endangered species of India.
(b) All are keystone species.
(c) All are mammals found in India.
(d) All the species are neither threatened nor indigenous species of India.
Answer
(d) All the species are neither threatened nor indigenous species of India.
18) Keystone species deserve protection because these
(a) are capable of surviving in harsh environmental condition
(b) indicate presence of certain mineral in the soil.
(c) have become rare due to overexploitation.
(d) play an important role in supporting other species.
Answer
(d) play an important role in supporting other species.
19) Which of the following statements is correct? [NCERT Exemplar]
(a) Parthenium is an endemic species of our country.
(b) African catfish is not a threat to indigenous catfishes.
(c) Steller’s sea cow is an extinct animal.
(d) Lantana is popularly known as carrot grass.
Answer
(c) Steller’s sea cow is an extinct animal.
20) Among the ecosystem mentioned below, where can one find maximum biodiversity? [NCERT Exemplar]
(a) Mangroves
(b) Desert
(c) Coral reefs
(d) Alpine meadows
Answer
(c) Coral reefs
21) Genetic diversity in agricultural crops is threatened by
(a) intensive use of pesticides
(b) extensive intercropping
(c) intensive use of fertilisers
(d) introduction of high yielding varieties.
Answer
(d) introduction of high yielding varieties.
22) Which of the following forests is known as the ‘lungs of the planet Earth’? [NCERT Exemplar]
(a) Taiga forest
(b) Tundra forest
(c) Amazon rainforest
(d) Rainforests of North East India
Answer
(c) Amazon rainforest
23) The active chemical drug reserpine is obtained from: [NCERT Exemplar]
(a) Datura
(b) Rauwolfia
(c) Atropa
(d) Papaver
Answer
(b) Rauwolfia
24) Which of the following group exhibit more species diversity? [NCERT Exemplar]
(a) Gymnosperms
(b) Algae
(c) Bryophytes
(d) Fungi
Answer
(d) Fungi
25) The historic convention on Biological Diversity held in Rio de Janeiro in 1992 is known as [NCERT Exemplar]
(a) CITES Convention
(b) The Earth Summit
(c) G-16 Summit
(d) MAB Programme
Answer
(b) The Earth Summit
26) What is common to the techniques (i) in vitro fertilisation, (ii) Cryopreservation and (iii) tissue culture? [NCERT Exemplar]
(a) All are in situ conservation methods.
(b) All are ex situ conservation methods.
(c) All require ultra modern equipment and large space.
(d) All are methods of conservation of extinct organisms.
Answer
(b) All are ex situ conservation methods.
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