Biodiversity and Conversations CBSE Class 12 Biology MCQ Questions with Answer Keys

If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Biology Chapterwise. In this article of AKVTutorials, you will get Biodiversity and Conversations CBSE Class 12 Biology MCQ Questions with Answer Keys

Biodiversity and Conversations MCQ Questions for Class 12 Question No 11:

The extinction of passenger pigeon was due to :

Option A : Increase number of predatory birds

Option B : Over – exploitation by humans 

Option C : Non – availability of the food 

Option D : Birds flu virus infection

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Option B : Over – exploitation by humans 

Biodiversity and Conversations MCQ Questions for Class 12 Question No 12:

Among the ecosystem mentioned below, where can one find maximum biodiversity?

Option A : Mangroves

Option B :Desert

Option C : Coral reels

Option D : Alpine meadows

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Option C : Coral reels

Biodiversity and Conversations  MCQ Questions for Class 12 Question No 13:

Alpha diversity is biodiversity present

Option A : Within community

Option B : Between communities

Option C : Ranges of communities

Option D : None of these

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Option A

: Within community

Biodiversity and Conversations  MCQ Questions for Class 12 Question No 14:

Genetic biodiversity in agricultural crops in threatened by

Option A : Introduction of high yielding varieties

Option B : Intensine use of fertilizers

Option C : Extensive intercropping

Option D : Intensive use of biosphere

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Option A : Introduction of high yielding varieties

Biodiversity and Conversations MCQ Questions for Class 12 Question No 15:

Which group of vertebrates comprises the highest number of endangered species?

Option A : Fishes

Option B : Reptiles

Option C : Birds

Option D : Mammals

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Option D : Mammals

Biodiversity and Conversations MCQ Questions for Class 12 Question No 16:

The largest tropical Amazonian rain forest is in

Option A : North America

Option B : South America

Option C : India

Option D : Pakistan

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Option B : South America

Biodiversity and Conversations MCQ Questions for Class 12 Question No 17:

Endemism refers to

Option A : Species confined to that region and not found anywhere else

Option B : Species confined to that Region and also found anywhere else

Option C : Species of all varieties

Option D : None of the above

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Option A : Species confined to that region and not found anywhere else

Biodiversity and Conversations MCQ Questions for Class 12 Question No 18:

Which group of vertebrates comprises the highest number of endangered species?

Option A : Fishes

Option B : Reptiles

Option C : Birds

Option D : Mammals

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Option D : Mammals

Biodiversity and Conversations MCQ Questions for Class 12 Question No 19:

Wild life is destroyed most by

Option A : Lock of proper care

Option B : Mass scale hunting

Option C : Destruction of natural habitats

Option D : Natural calamity

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Option C : Destruction of natural habitats

Biodiversity and Conversations MCQ Questions for Class 12 Question No 20:

The species becomes extinct most easily by

Option A : Deforestation

Option B : Heavy rains

Option C : Urbanization

Option D : Sliding of hills

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Option A : Deforestation

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