Principles of Inheritance and Variation MCQ Questions & Answers in Botany

101. If mother has blood group B, father has A group, the offspring will be of

A A group

B O group

C AB

D Any of the above

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102. What shall be the ratio of heterozygous, homozygous and hemizygous in offsprings of a colour blind husband and a carrier wife

A 1:1:2

B 1:1:1

C 2:1:1

D 1:2:1

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103. Swan neck flask experiment proved

A Biogenesis

B Abiogenesis

C Gene therapy

D Both A and B

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104. Mutations are

A Always useful

B Mostly useful

C Never useful

D Rarely useful

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105. How many different types of genetically different gametes will be produced by a heterozygous plant having the genotype : $$AABbCc?$$

A Two

B Four

C Six

D Nine

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106. An offspring of two homozygous parents differing from one another by alleles at only one gene locus is known as

A Back cross

B Monohybrid

C Dihybrid

D Trihybrid

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107. Which technique is used by Mendel for hybridisation

A Emasculation

B Bagging

C Protoplast fusion

D A and B both

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108. Albinism in human is controlled by a recessive gene 'a' If both parents were known to carrier (Aa) for albinism. What is the chances of 1 normal and 3 albino in family of four

A 12/256

B 81/256

C 108/256

D 54/256

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109. When two independentaly assorting dominant genes interact with each other to produce perticular phenotype but when they present alone they did not produce phenotype they are called

A Complementary gene

B Supplementary gene

C Duplicate gene

D Inhibitory gene

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110. Mammals liks repfile originated in

A Jurassic

B Triassrc

C Cretacious

D Permian

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101. If mother has blood group B, father has A group, the offspring will be of

102. What shall be the ratio of heterozygous, homozygous and hemizygous in offsprings of a colour blind husband and a carrier wife

103. Swan neck flask experiment proved

104. Mutations are

105. How many different types of genetically different gametes will be produced by a heterozygous plant having the genotype : $$AABbCc?$$

106. An offspring of two homozygous parents differing from one another by alleles at only one gene locus is known as

107. Which technique is used by Mendel for hybridisation

108. Albinism in human is controlled by a recessive gene 'a' If both parents were known to carrier (Aa) for albinism. What is the chances of 1 normal and 3 albino in family of four

109. When two independentaly assorting dominant genes interact with each other to produce perticular phenotype but when they present alone they did not produce phenotype they are called

110. Mammals liks repfile originated in

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