Biology Question Bank Online Exam Quiz

Biology Question Bank GK Quiz. Question and Answers related to Biology Question Bank. MCQ (Multiple Choice Questions with answers about Biology Question Bank

For a poly hybrid cross concerning N traits, what is the number of types of gametes produced by the F1 generation?

Options

A : 2N

B : N2

C : 2(2N)

D : (2N)2

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For a poly hybrid cross concerning N trait, what is the number of squares required in the Punnett square to check for the F2 generation?

Options

A : 2N

B : N2

C : 2(2N)

D : (2N)2

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What is the phenotypic ratio of F2 generation in a dihybrid cross?

Options

A : 3:1

B : 1:2:1

C : 9:3:1

D : 9:3:3:1

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In Mendel’s experiments on garden pea plants, he performed a dihybrid cross of round yellow and green wrinkled seed plants. In the F2 generation, he sampled 1600 plants. Which of the following represents the correct number of plants of each phenotype?

Options

A : 900 round yellow, 300 round green, 300 wrinkled yellow and 100 wrinkled green

B : 900 round green, 300 round yellow, 300 wrinkled yellow and 100 wrinkled green

C : 900 wrinkled green, 300 round yellow, 300 wrinkled yellow and 100 round green

D : 900 round green, 300 wrinkled green, 300 wrinkled yellow and 100 round yellow

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Which of the following is a correct interpretation of the law of independent assortment?

Options

A : Factors exist in pairs

B : Factors segregate such that each gamete gets a single copy

C : For multiple traits under consideration, each segregate independently of one another

D : For multiple traits under consideration, they segregate in a specific pattern

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What law talks about the segregation of two or more traits independent of one another?

Options

A : Law of Dominance

B : Law of Recessiveness

C : Law of Segregation

D : Law of Independent Assortment

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Which law was proposed by Mendel based on his dihybrid cross studies?

Options

A : Law of Dominance

B : Law of Recessiveness

C : Law of Segregation

D : Law of Independent Assortment

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For a dihybrid cross, the number of squares is 16 in a Punnett square of F2 generation.

Options

A : True

B : False

C :

D :

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The law of independent assortment states that a dihybrid heterozygote would produce four types of gametes.

Options

A : True

B : False

C :

D :

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Which of the following are the correct gametes produced by TtYy?

Options

A : Tt, Yy, TY, ty

B : TY, ty, Tt, Yt

C : Yt, yt, YT, yT

D : YT, yt, yY, tT

View Answer

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