InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
B-blood group man maries A blood group woman. The first child has B-blood group. Genotype of the child isA. `I^(A)I^(O)`B. `I^(B)I^(O)`C. `I^(A)I^(B)`D. `I^(B)I^(B)` |
| Answer» Correct Answer - B | |
| 52. |
Parents have blood group A and B. Blood group of the child can beA. A or BB. OC. ABD. All of the above |
| Answer» Correct Answer - D | |
| 53. |
Pheotypic dihybrid ratio isA. `9:3:3:1`B. `15:1`C. `9:6:1`D. `1:2:1` |
| Answer» Correct Answer - A | |
| 54. |
Blood group of mother is A. That of son is B. What is blood group of fatherA. BB. AC. OD. None of the above |
| Answer» Correct Answer - A | |
| 55. |
A child with mother of A group and father of AB group, will not have the following blood groupA. AB. BC. ABD. O |
| Answer» Correct Answer - D | |
| 56. |
Mendel enunciated principles of inheritanceA. TwoB. ThreeC. FourD. Five |
| Answer» Correct Answer - B | |
| 57. |
Mendel was successful in formulating the laws of inheritance whereas his predecessors were not becauseA. He studied one clear-cut character at a timeB. The character studied by him were present on separate chromosomesC. Of the right choice of materialD. He kept accurate records of his experiments. |
| Answer» Correct Answer - A | |
| 58. |
The procedure adopted by Mendel which was different from his predecessors in:A. Keeping breeding recordsB. Employing many triats at one timeC. Differentiating inherite traitsD. Quantitative analysis of data. |
| Answer» Correct Answer - D | |
| 59. |
Mendel did not propose:A. DominanceB. Incomplete dominanceC. SegerationD. Independent assortment. |
| Answer» Correct Answer - B | |
| 60. |
Genotype of `F_(1)` individuals can be tested byA. Backcross with homozygous recessive parentB. Reciprocal crossingC. Backcrossing with heterozygous parentD. Backcrossing homozygous dominant parent |
| Answer» Correct Answer - A | |
| 61. |
Female AaBb is crossed with male Aabb. The gametes shall be:A. Female AB and ab, male AA and bbB. Female Aa and Bb, male AA and bbC. Female AB, Ab, aB and ab, male AbD. Female AA,bb, AB and ab, male Ab. |
| Answer» Correct Answer - C | |
| 62. |
Gametes of AaBb individuals can be:A. Aa,BbB. AB,abC. AB,ab,aBD. AB,Ab,aB,ab. |
| Answer» Correct Answer - D | |
| 63. |
AaBb individual produces 2 million gametes. How many of them would carry both the recessive alleles (ab)A. 1.5 millionB. 1.0 millionC. 0.5 millionD. 0.25 million |
| Answer» Correct Answer - C | |
| 64. |
If two Pea plants having red (dominant) coloured flowers with unknown genotypes are crossed, 75% of the flowers are red and 25% white. The genotype constitution of the two parents would beA. Both homozygousB. Both heterozygousC. Both hemizygousD. One homozygous and other heterozygous. |
| Answer» Correct Answer - B | |
| 65. |
Variation found in offspring are important component ofA. GeneticsB. SpeciationC. Species fixationD. Heredity |
| Answer» Correct Answer - A | |
| 66. |
Biological unit controlling heredity isA. GenomeB. ChromosomeC. GenotypeD. Gene |
| Answer» Correct Answer - D | |
| 67. |
Crossing over in diploid organism is responsible forA. Dominance of genesB. Linkage between genesC. Recombination of linked genesD. Segregation of alleles |
| Answer» Correct Answer - C | |
| 68. |
Out of two alleles of the same gene, one finds morphological expression. The phenomenon isA. EpistasisB. CodominanceC. DominanceD. Incomplete dominance |
| Answer» Correct Answer - C | |
| 69. |
When a cluster of genes shows linkage behaviour theyA. Do not show chromosome mapB. Induce cell divisionC. Do not show independent assortmentD. Show recombination during meiosis |
| Answer» Correct Answer - C | |
| 70. |
A self-fertilizing trihybrid plant formsA. Eight different gametes and 64 different zygotesB. Four different gametes and sixteen different zygotesC. Eight different gametes and sixteen different zygotesD. Eight different gametes and thirty two different zygotes |
| Answer» Correct Answer - A | |
| 71. |
Alleles representA. Different forms of a geneB. Same loci on homologous chromosomesC. Two or more formsD. All the above |
| Answer» Correct Answer - D | |
| 72. |
Which one is an interaction of genesA. RecessivenessB. DominanceC. EpistasisD. Pleiotropy |
| Answer» Correct Answer - C | |
| 73. |
What should be the composition of gametes ?A. GgLlB. GglC. GgD. Gl |
| Answer» Correct Answer - D | |
| 74. |
Monohybrid cross produced both tall and dwarf Pea plants in the ratio of 3:1. Their genotypes would beA. `TT xxTt`B. `Tt xxTt`C. `Tt xx tt`D. `TT xxtt` |
| Answer» Correct Answer - B | |
| 75. |
The genotypic ratio of a monohybrid cross will beA. `3:1`B. `1:1`C. `1:2:1`D. `2:1` |
| Answer» Correct Answer - C | |
| 76. |
Genotypic ratio of a dihybrid cross isA. `12:3:1`B. `15:1`C. `1:2:1`D. `1:2:2:4:1:2:1:2:1` |
| Answer» Correct Answer - D | |
| 77. |
Phenotypic ratio of a monohybrid `F_(2)` progeny of incomplete dominance isA. `1:1:1:1`B. `2:1:1`C. `1:2:1`D. `3:1` |
| Answer» Correct Answer - C | |
| 78. |
Given below are assertion and reason. Point out if both are true with reason being correct explanation (A), both are true but reason is not correct explanation (B), assertion is true but reason is wrong ( C) and both are wrong (D). Assertion. In a pedigree analysis, represents five unaffected offspring. Reason. In the pedigree analysis, the offspring are numbered with arabic numerals (1,2,3...) and generation is numbered with roman numeralsA. AB. BC. CD. D |
| Answer» Correct Answer - B | |
| 79. |
Haemoglobins of normal and sickle cell patient are subjected to electrophoresis. They will showA. Same mobilityB. Different mobilityC. No mobilityD. Heamoglobin of patient does not move. |
| Answer» Correct Answer - B | |
| 80. |
Which is wrong about Mendel ?A. He was born in 1822B. Mendel presented his work in the form of a paper of Heinzendrof in 1856C. Mendel carried out his experiment for 8 yearsD. Mendel died in 1884 |
| Answer» Correct Answer - B | |
| 81. |
Blood group of a couple are AB and O. The possible blood group of children would beA. O group onlyB. AB blood groupC. A or BD. AB and O. |
| Answer» Correct Answer - C | |
| 82. |
Dihybrid cross is made between RRYY (yellow round seed) and yyrr (wrinkled green seed ) of Pea. `F_(2)` ratio amongst round yellow, round green, wrinkled yellow and wrinkled green would beA. `9:3:3:1`B. `15:1:0:0`C. `9:3:4:0`D. `4:4:4:4` |
| Answer» Correct Answer - A | |
| 83. |
Biometric gentics is connected withA. Effect of radition on living organismsB. Biochemical explanation of genetic phenomenaC. Effect of environment of genetic set up of organismsD. Inheritance of quantitative traits. |
| Answer» Correct Answer - D | |
| 84. |
Yellow colour is dominant over green colour. In a generation of 50% yellow and 50% green individuals, the parents areA. Both homozygousB. Both heterozygousC. One of them is heterozygousD. None of the above |
| Answer» Correct Answer - C | |
| 85. |
Monohybrid ratio isA. `3:1`B. `9:7`C. `1:2`D. `9:3:3:1` |
| Answer» Correct Answer - A | |
| 86. |
How many contrasting traits of Pea pod were chosen by Mendel?A. 7B. 2C. 4D. 3 |
| Answer» Correct Answer - B | |
| 87. |
The allele which is unable to express its effect in the presence of another is calledA. CodominantB. SupplementaryC. ComplementryD. Recessive |
| Answer» Correct Answer - D | |
| 88. |
According to the law of Independent Assotment in a dihybrid crossA. There are four genotypes in `F_(2)`B. `F_(2)` contains 16 phenotypesC. There is a single individual which is homozygous recessive for both the charactersD. It is not possible to forecast the different phenotypes. |
| Answer» Correct Answer - C | |
| 89. |
The discipline which deals with the study of inheritance of characters isA. DarwinismB. CytologyC. GeneticsD. Evolution |
| Answer» Correct Answer - C | |
| 90. |
Genetically identical progeny is produced when the individualA. Performs self fertilizationB. Produces identical gametesC. Practices inbreeding without meiosisD. Practices reproduction |
| Answer» Correct Answer - B | |
| 91. |
In a test cross, the individual is crossed withA. Homozygous dominant individualB. Heterozygous individualC. Homozygous recessiveD. None of the above |
| Answer» Correct Answer - C | |
| 92. |
Recombinations and variations in eucaryotic organisms are due otA. Mitosis and meiosisB. Fertilization and mitosisC. Meiosis and fertilisationD. Meiosis and amitosis. |
| Answer» Correct Answer - C | |
| 93. |
Which is connected with multiple phenotypes ?A. EpistasisB. PleiotropyC. Polygenic inheritanceD. Mutations |
| Answer» Correct Answer - B | |
| 94. |
Mendel did not observe linkage due toA. MutationB. SynapsisC. Crossing overD. Independent assortment. |
| Answer» Correct Answer - D | |
| 95. |
Sickle cell anaemia isA. Sex linked inheritanceB. Autosomal heritable diseaseC. Infection diseaseD. Deficiency disease |
| Answer» Correct Answer - B | |
| 96. |
Mendel was born inA. 17th centuryB. 18th centuryC. 19th centuryD. 8th century |
| Answer» Correct Answer - C | |
| 97. |
Sickle cell anaemia is an example ofA. EpistasisB. CodominanceC. PleiotropyD. Incomplete dominance |
| Answer» Correct Answer - C | |
| 98. |
Organism phenotypically similar but genetically different areA. HeterozygousB. HomozygousC. MonozygousD. Multizygous |
| Answer» Correct Answer - A | |
| 99. |
In albinism, the absence of which pigment makes the skin and hair light colouresA. MelaninB. CaroteneC. HaemoglobinD. Chlorophyll |
| Answer» Correct Answer - A | |
| 100. |
Alleles areA. Genes found on allosomesB. Pair of genes governing a specific character like heightC. Genes governing eye charactersD. None of the above |
| Answer» Correct Answer - B | |