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BIOLOGY M.C.Q (1 Marks)

Biodiversity and Conservation · Bihar Board (BSEB) STD 12 Science (BSEB - English Medium). 243 questions.

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M.C.Q (1 Marks)

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MCQ 11 Mark
Which one of the following is not included under in$-$situ conservation?
  • A
    Biosphere reserve
  • B
    National park
  • C
    Sanctuary
  • ✓
    Botanical garden
Answer
Correct option: D.
Botanical garden
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MCQ 21 Mark
American water plant that has become a troublesome water weed in India is:
  • A
    Cyperus rotundus.
  • ✓
    Eichhornia crassipes.
  • C
    Trapa latifolia.
  • D
    Trapa bispinosa.
Answer
Correct option: B.
Eichhornia crassipes.
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MCQ 31 Mark
Identify the correct pair of an animal and its habitat region.
  • A
    Elephant $-$ Ranthambore
  • ✓
    Flamingo $-$ Rann of Kutch
  • C
    Wild ass $-$ Dachigam
  • D
    Great Indian bustard $-$ Assam
Answer
Correct option: B.
Flamingo $-$ Rann of Kutch
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MCQ 41 Mark
$.......$ is one of the most prevalent hotspots of biodiversity in India.
  • ✓
    Western Ghats.
  • B
    Himalayas.
  • C
    Ganges.
  • D
    None of these.
Answer
Correct option: A.
Western Ghats.
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MCQ 51 Mark
Which of the following is mainly responsible for extinction of wild life?
  • ✓
    Destruction of habitats.
  • B
    Pollution of air and water.
  • C
    Hunting for flesh.
  • D
    All of the above.
Answer
Correct option: A.
Destruction of habitats.
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MCQ 61 Mark
From origin of life to its diversification on earth, there have occurred following number of episodes of mass extinction.
  • A
    Two
  • B
    Three
  • C
    Four
  • ✓
    Five
Answer
Correct option: D.
Five
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MCQ 71 Mark
Alexander Von Humbolt described for the first time.
  • A
    Population growth equation.
  • B
    Ecological biodiversity.
  • C
    Laws of limiting factor.
  • ✓
    Species area relationships.
Answer
Correct option: D.
Species area relationships.
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MCQ 81 Mark
Rajaji national park is situated in:
  • A
    Tamil Nadu
  • B
    Karnataka
  • ✓
    Uttarakhand
  • D
    Rajasthan
Answer
Correct option: C.
Uttarakhand
Rajaji national park is located in Uttarakhand, on banks of river Ganges, district Haridwar.
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MCQ 101 Mark
The World Summit on Sustainable Development $(2002)$ was held in:
  • A
    Brazil.
  • ✓
    South Africa.
  • C
    Sweden.
  • D
    Argentina.
Answer
Correct option: B.
South Africa.
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MCQ 111 Mark
The highest number of species in the world is represented by:
  • A
    Algae
  • B
    Lichens
  • ✓
    Fungi
  • D
    Mosses
Answer
Correct option: C.
Fungi
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MCQ 121 Mark
Number of plant species estimated to be present in India is:
  • A
    $40,000$
  • ✓
    $45,000$
  • C
    $58,000$
  • D
    $80,000$
Answer
Correct option: B.
$45,000$
India is one of the richest countries when it comes to the diversity of plant species. Around $45,000$ plant species are estimated to be present in India.
There are eight main florist regions in India which are Western Himalayas, Eastern Himalayas, Assam, Indus plain, Ganges plain, the Deccan, Malabar, and the Andaman Islands. So, great efforts for protecting the immense biodiversity should be done.
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MCQ 131 Mark
Which of the following pairs of an animal and a plant represents endangered organisms in India?
  • ✓
    Bentinckia nicobarica and red panda.
  • B
    Tamarind and rhesus monkey.
  • C
    Cinchona and leopard.
  • D
    Banyan and black buck.
Answer
Correct option: A.
Bentinckia nicobarica and red panda.
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MCQ 141 Mark
Which of the following is not the example of recent extinction:
  • A
    Steller’s sea cow
  • B
    Dodo
  • C
    Quagga
  • ✓
    Pigeon
Answer
Correct option: D.
Pigeon
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MCQ 151 Mark
Soil conservation is:
  • A
    Conversion of sterile soil into fertile one.
  • B
    Aeration of soil.
  • C
    Erosion of soil.
  • ✓
    Protection against loss.
Answer
Correct option: D.
Protection against loss.
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MCQ 161 Mark
Flamingoes breed in:
  • A
    Rann of Kutch.
  • ✓
    Chilka lake.
  • C
    Sambhar lake.
  • D
    Lake Mansarover.
Answer
Correct option: B.
Chilka lake.
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MCQ 171 Mark
Genetic erosion is due to:
  • A
    Deforestation.
  • B
    Shifting cultivation.
  • C
    Adoption of genetically uniform varieties.
  • ✓
    All of the above.
Answer
Correct option: D.
All of the above.
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MCQ 181 Mark
Which of the following type of animal is chiefly protected by man?
  • A
    Harmless animals
  • B
    Economically useful animals
  • ✓
    Extinct animals
  • D
    Feeble animals
Answer
Correct option: C.
Extinct animals
Man makes special efforts to conserve the animals, which are likely to become extinct without special efforts of man to conserve biodiversity and animals are a part of biodiversity.
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MCQ 191 Mark
One of the most important functions of botanical gardens is that:
  • A
    They provide a beautiful area for recreation.
  • B
    One can observe tropical plants there.
  • ✓
    They allow ex$-$situ conservation of germplasm.
  • D
    They provide the natural habitat for wild life.
Answer
Correct option: C.
They allow ex$-$situ conservation of germplasm.
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MCQ 201 Mark
Which one of the following has maximum genetic diversity in India?
  • A
    Tea
  • B
    Teak
  • ✓
    Mango
  • D
    Wheat
Answer
Correct option: C.
Mango
Out of the $12$ megadiversity found and listed in the world, India is one of them.
It also has maximum number of genetic diversity in the world.
In India, Rice has the maximum varieties of strains which is around $50,000.$
Second maximum variety is of Mango which is $1000.$
Hence, the maximum genetic diversity in India is of Mango.
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MCQ 211 Mark
Which is the National Aquatic Animal of India?
  • A
    Blue whale.
  • B
    Sea$-$horse.
  • ✓
    River dolphin.
  • D
    All of these.
Answer
Correct option: C.
River dolphin.
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MCQ 221 Mark
Which of the following is not a cause for loss of biodiversity?
  • A
    Destruction of habitat.
  • B
    Invasion by alien species.
  • ✓
    Keeping animals in zoological parks.
  • D
    Over$-$exploitation of natural resources.
Answer
Correct option: C.
Keeping animals in zoological parks.
Destruction of habitat, invasion by alien species, and over$-$exploitation, of natural resources are cause for loss of biodiversity.
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MCQ 231 Mark
Which is not used for ex situ plant conservation:
  • A
    Botanical gardens
  • B
    Field gene banks
  • C
    Seed banks
  • ✓
    Shifting cultivation
Answer
Correct option: D.
Shifting cultivation
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MCQ 241 Mark
Largest tiger population occurs in:
  • A
    Kanha National Park
  • B
    Corbett National Park
  • ✓
    Sunderbans National Park
  • D
    Ranthambore National Park
Answer
Correct option: C.
Sunderbans National Park
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MCQ 251 Mark
What is common to the techniques $(i)$ in vitro fertilisation$, (ii)$ Cryo preservation and $(iii)$ tissue culture?
  • A
    All are in situ conservation methods.
  • ✓
    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
Correct option: B.
All are ex situ conservation methods.
Option $(a)$ can be easily ruled out. Tissue culture does not require large space and hence option $(c)$ can be ruled out. Extinct organisms cannot be conserved, so option $(d)$ can be rule out.
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MCQ 261 Mark
Which one of the following pairs of geographical areas show maximum biodiversity in our country?
  • A
    Sunderbans and Rann of Kutch.
  • B
    Eastern Ghats and West Bengal.
  • ✓
    Eastern Himalaya and Western Ghats.
  • D
    Kerala and Punjab.
Answer
Correct option: C.
Eastern Himalaya and Western Ghats.
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MCQ 271 Mark
Minerals and metals are:
  • A
    Biodegradable resources.
  • B
    Renewable.
  • ✓
    Non$-$renewable.
  • D
    Both $(b)$ and $(c).$
Answer
Correct option: C.
Non$-$renewable.
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MCQ 281 Mark
Which one of these is an in$-$situ method of conservation?
  • ✓
    National park
  • B
    Botanical garden
  • C
    Tissue culture
  • D
    Genetic engineering
Answer
Correct option: A.
National park
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MCQ 291 Mark
Deforestation will decrease.
  • A
    Soil erosion.
  • B
    Land slides.
  • ✓
    Rainfall.
  • D
    Soil fertility.
Answer
Correct option: C.
Rainfall.
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MCQ 301 Mark
Which one shows maximum genetic diversity in India?
  • A
    Groundnut
  • ✓
    Rice
  • C
    Maize
  • D
    Mango
Answer
Correct option: B.
Rice
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MCQ 311 Mark
Manas sanctuary is located at:
  • A
    Rajasthan
  • ✓
    Assam
  • C
    Bihar
  • D
    Gujarat
Answer
Correct option: B.
Assam
Manas wild life sanctuary and 'Manas National Park' is located in Barpeta, Assam.
The Manas provides protection to animals like elephant, rhino and wild buffalo.
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MCQ 321 Mark
Which one of the following is not a major characteristic feature of biodiversity hot spots?
  • A
    Large number of species.
  • B
    Abundance of endemic species.
  • ✓
    Large number of exotic species.
  • D
    Destruction of habitat.
Answer
Correct option: C.
Large number of exotic species.
Characteristic feature of biodiversity hot spots are large number of species, abundance of endemic species and mostly located in the tropics.
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MCQ 331 Mark
National Park associated with rhinoceros is:
  • ✓
    Kaziranga.
  • B
    Ranthambore.
  • C
    Corbett.
  • D
    Valley of flowers.
Answer
Correct option: A.
Kaziranga.
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MCQ 341 Mark
he genome of an extinct species can be preserved in:
  • A
    Gene Bank
  • B
    National park
  • C
    Herbarium
  • ✓
    None of the above
Answer
Correct option: D.
None of the above
Extinction of a particular animal or plant species occurs when there are no more individuals of that species alive anywhere in the world $-$ the species has died out.
When it does not exist at all, preserving it also not possible.
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MCQ 351 Mark
Biodiversity describes the study of diversity:
  • A
    Below species level.
  • B
    At species level.
  • C
    At community level.
  • ✓
    At all levels of biological organization.
Answer
Correct option: D.
At all levels of biological organization.
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MCQ 361 Mark
The 'Ranthambore National Park' is located in:
  • A
    Maharashtra
  • B
    Uttar Pradesh
  • C
    Gujarat
  • ✓
    Rajasthan
Answer
Correct option: D.
Rajasthan
'Ranthambore National Park' is located in Sawai Madhopur district in Rajasthan.
It is one of the national parks for conservation of tiger $($Panthera tigris$).$
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MCQ 371 Mark
Which of the following is not an objective of Conservation of Biodiversity?
  • A
    Conservation of biodiversity.
  • B
    Sustainable use of biodiversity.
  • C
    Fair and equitable sharing of benefits arising out of genetic resources.
  • ✓
    Selective hunting of dangerous and threatening species.
Answer
Correct option: D.
Selective hunting of dangerous and threatening species.
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MCQ 381 Mark
The term $\alpha -$ diversity refers to:
  • A
    Genetic diversity
  • B
    Community and ecosystem diversity
  • C
    Diversity among the plants
  • ✓
    Species diversity
Answer
Correct option: D.
Species diversity
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MCQ 391 Mark
Dhudhwa National Park is located in:
  • A
    Gujarat
  • ✓
    Uttar Pradesh
  • C
    Rajasthan
  • D
    Madhya Pradesh
Answer
Correct option: B.
Uttar Pradesh
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MCQ 401 Mark
The historic convention on Biological Diversity held in Rio de Janeiro in $1992$ is known as:
  • A
    $\text{CITES}$ Convention.
  • ✓
    The Earth Summit.
  • C
    $G-16$ Summit.
  • D
    $\text{MAB}$ Programme.
Answer
Correct option: B.
The Earth Summit.
The Earth Summit: This historical convention on biological diversity held in Rio$-$de$-$Janeiro, Brazil in $1992.$ Attending nations take appropriate measure for conservation of biodiversity and sustainable utilization of its benefits.
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MCQ 411 Mark
In India, commonly available rhesus monkey is:
  • ✓
    Macaca mulatta
  • B
    Alouatta
  • C
    Ateles paniscus
  • D
    Ateles geoffroyi
Answer
Correct option: A.
Macaca mulatta
The rhesus macaque $($Macaca mulatta$)$ is distributed all over India.
They are greatly adapted to living with humans.
Hence they live close to human dwellings and are found in urban and agricultural areas.
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MCQ 421 Mark
Which of the following is not an invasive alien species in the Indian context?
  • A
    Lantana
  • ✓
    Cynodon
  • C
    Parthenium
  • D
    Eichhornia
Answer
Correct option: B.
Cynodon
Other species from the options were introduced into India from some other parts of the world. Cynodon is yet not introduced or spotted in India.
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MCQ 431 Mark
Which one of the following is not included under in situ conservation?
  • A
    Sanctuary.
  • ✓
    Botanical Gardens.
  • C
    Biosphere reserve.
  • D
    National Park.
Answer
Correct option: B.
Botanical Gardens.
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MCQ 441 Mark
Which of the following is not a cause for loss of biodiversity?
  • ✓
    Keeping animals in zoological parks.
  • B
    Invasion by alien species.
  • C
    Destruction of habitat.
  • D
    Over$-$exploitation of natural resources.
Answer
Correct option: A.
Keeping animals in zoological parks.
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MCQ 451 Mark
Which one among these, is not concerned with wild life conservation?
  • ✓
    $\text{IVF}$
  • B
    $\text{IUCN}$
  • C
    $\text{WWF}$
  • D
    $\text{BWL}$
Answer
Correct option: A.
$\text{IVF}$
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MCQ 461 Mark
Species going to be extinct due to low reproductive rate is:
  • A
    Lion
  • B
    Bald eagle
  • ✓
    Giant panda
  • D
    Island species
Answer
Correct option: C.
Giant panda
The two reasons which can contribute to the extinction of the species are environmental changes and characteristics of the organism.
The characteristics of the organism may involve the reproductive rate of the species.
The giant panda has a low reproductive rate. When there is a low reproductive rate, less number of organisms are produced in one gestation phase.
There are fewer members to mate and reproduce. This will result in the extinction of the species.
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MCQ 481 Mark
Which one of the following is not used for ex situ plant conservation?
  • A
    Field gene banks
  • B
    Seed banks
  • ✓
    Shifting cultivation
  • D
    Botanical Gardens
Answer
Correct option: C.
Shifting cultivation
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MCQ 491 Mark
Where among the following will you find pitcher plant?
  • ✓
    Rain forest of North$-$East India.
  • B
    Sunderbans.
  • C
    Thar Desert.
  • D
    Western Ghats.
Answer
Correct option: A.
Rain forest of North$-$East India.
In rainforest of North$-$East India pitcher plants are spotted because moist and humid climate is favourable to them.
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MCQ 501 Mark
Which of the following statements is correct?
  • A
    Parthenium is an endemic species of our country.
  • B
    African catfish is not a threat to indigenous catfishes.
  • ✓
    Steller’s sea cow is an extinct animal.
  • D
    Lantana is popularly known as carrot grass.
Answer
Correct option: C.
Steller’s sea cow is an extinct animal.
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M.C.Q (1 Marks) - BIOLOGY STD 12 Science Questions - Vidyadip