Principles of Inheritance and Variations 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 Principles of Inheritance and Variations CBSE Class 12 Biology MCQ Questions with Answer Keys

MCQ Questions for Class 12 Biology Chapter 5 Question No 11

The characteristic which appear in the first filial generation are called

Option A : Recessive characters

Option B : Dominant characters

Option C : Holandric character

Option D : Lethal character

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Option B : Dominant characters

MCQ Questions for Class 12 Biology Chapter 5 Question No 12:

Haplodiploidy is found in 

Option A : Grasshoppers and Cockroaches

Option B : Birds and Reptiles

Option C : Butterflies and Moths

Option D : Honeybees, Ant and Waspe

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Option D : Honeybees, Ant and Waspe

MCQ Questions for Class 12 Biology Chapter 5 Question No 13:

To determine the genotype of a tall plant of Fgeneration, Mendel crossed this plant with a dwarf plant. This cross represents a

Option A : Test cross

Option B : Black cross

Option C : Reciprocal cross

Option D : Dihybrid cross

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Option A : Test cross

MCQ Questions for Class 12 Biology Chapter 5 Question No 14:

Mendal formulated the law of purity of gametes on the basis of

Option A : Monohybrid cross

Option B : Dihybrid cross

Option C : Test cross

Option D : Back cross

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Option A : Monohybrid cross

MCQ Questions for Class 12 Biology Chapter 5 Question No 15:

The inheritance of flower colour in Antirrhinum (dog flower) is an example of

Option A : Incomplete dominance

Option B : Co- Dominance

Option C : Multiple alleles

Option D : Linkage

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Option A : Incomplete dominance

MCQ Questions for Class 12 Biology Chapter 5 Question No 16:

In Anthirrhinum (dog flower), phenotypic ratio in Fgeneration for the inheritance of flower colour would be

Option A : 3:1

Option B : 1:2:1

Option C : 1:1

Option D : 2:1

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Option A : 3:1

MCQ Questions for Class 12 Biology Chapter 5 Question No 17:

Phenotypic and genotypic ratio is similar in case of

Option A : Complete dominance

Option B : Incomplete dominance

Option C : Over dominance

Option D : Epistasis

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Option B : Incomplete dominance

MCQ Questions for Class 12 Biology Chapter 5 Question No 18:

What can be the blood group of offspring when both parents have AB blood group?

Option A : AB only

Option B : A, B and AB

Option C : A, B, AB and O

Option D : A and B only

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Option B : A, B and AB

MCQ Questions for Class 12 Biology Chapter 5 Question No 19:

ABO blood grouping in human beings cities the example of

Option A : Incomplete Dominance

Option B : Co-dominance

Option C : Multiple allelism

Option D : Both (b) and (c)

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Option D : Both (b) and (c)

MCQ Questions for Class 12 Biology Chapter 5 Question No 20:

Law of independent assortment can be explained with the help of

Option A : Dihybrid

Option B : Test cross

Option C : Back cross

Option D : Monohybrid cross

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Option A : Dihybrid

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