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. |
Genes exclusively present on Y-chromosome are calledA. Sex linkedB. Holandric genesC. HolgynicD. Histone |
| Answer» Correct Answer - B | |
| 52. |
The two diverse disciplines of cytology and genetics were co related byA. MullerB. MorganC. BridgesD. Tschermak |
| Answer» Correct Answer - C | |
| 53. |
The fungus often studied in experimental genetics and also called "Drosophila of plant kingdom" isA. PisumB. RhizopusC. penicillumD. Neurospore |
| Answer» Correct Answer - D | |
| 54. |
Father of human genetics isA. CuvierB. BatesonC. MendelD. Garrod |
| Answer» Correct Answer - D | |
| 55. |
Who is known as father of biochemical physiological geneticsA. SlatyerB. EltonC. TaylorD. Archibald Garrod |
| Answer» Correct Answer - D | |
| 56. |
Identify the correct match betwenn types of chromosomes and their descrptions `{:("Chromosomes", "Position of centromere"),(A."Metacentric",1."At the tip"),(B."Submetacentric",2."Almost near the tip"),(C."Acrocentric",3."At the middle"),(D."Telocentric",4."Slightly away from the middle"):}`A. A=1,,B=3,C=2,D=4B. `A=3,B=4,C=2,D=1`C. `A=4,B=3,C=2,D=1`D. `A=1,B=2,C=3,D=4` |
| Answer» Correct Answer - B | |
| 57. |
A normal woman whose father was colour blind marries a cloublind man. What percentage of girls born to these parents would be colourblindA. 1B. 0.75C. 0.5D. 0.25 |
| Answer» Correct Answer - C | |
| 58. |
In skip generation inlheritance of colour blindness the trait from a colourblind man is passed on toA. DaughterB. sonC. Grand duaghterD. Grand son |
| Answer» Correct Answer - D | |
| 59. |
Frequency of recessive allele is 0.2 what is the frequency of homozygous dominant?A. 0.64B. 0.32C. 0.8D. 0.064 |
| Answer» Correct Answer - A | |
| 60. |
Which type of gene regulate sex-determination in Spinach plantA. Multiple genesB. Heterozygous genesC. Single geneD. Homozygous genes |
| Answer» Correct Answer - D | |
| 61. |
Which animal can form gynandormorhpA. DrosophilaB. BeetleC. SilkwormD. All the above |
| Answer» Correct Answer - D | |
| 62. |
In alpha thalasssemia the gene HBAI is located on chromosomeA. 8B. 22C. 9D. 16 |
| Answer» Correct Answer - D | |
| 63. |
Which type of gene regulates sex determination in spinach plantA. Hopmozygous genesB. Single geneC. Heterozygus genesfD. Multiple genes |
| Answer» Correct Answer - B | |
| 64. |
Probability of cross over occurring between two genes on the same chromsome isA. Unrelated to distannce between themB. Increased if they are close togetherC. Increased if they are far apartD. None of the above |
| Answer» Correct Answer - C | |
| 65. |
A gene isA. Synonym of chromosomesB. Composed of mRNAC. A specific segement of nucleotides o fDNAD. Having only those nucleotides required to synthesize a protein. |
| Answer» Correct Answer - C | |
| 66. |
Match the collumn s and find the correct answer A. p-I,q-ii,r-iii,s-ivB. p-ii,q-iii,r-iv,s-iC. p-iii,q-iv,r-I,s-iiD. p-iv,q-I,r-iii,s-ii |
| Answer» Correct Answer - D | |
| 67. |
In our society women are blamed for producing female child. Choose the correct answer for sex determination in humnans due toA. Some defect like aspermia in manB. Genetic make up of particular sperm which fertilizes the eggC. Genetic make up of eggD. Some defect in reproductive system of women |
| Answer» Correct Answer - B | |
| 68. |
Mental retardation in man, associated with sex chromosomal abnormality is usually due toA. Increase in X-complementB. Decrease in X-complementC. Largeincrease in Y- cpomplementD. Moderate increase in Y- complement |
| Answer» Correct Answer - A | |
| 69. |
Which of the following is suittable for experiments on linlage ?A. `A ABBxxaabb`B. `AaBbxxAaBb`C. `aaBBxxaaBB`D. `A AbbxxAaBB` |
| Answer» Correct Answer - B | |
| 70. |
Linkage reduces the frequency of:A. hybridsB. All parental typesC. Homozgous recessive parentsD. heterozyous recessive parents |
| Answer» Correct Answer - A | |
| 71. |
A pair of genes are linked if their recombination frequency in test cross isA. lower than 50%B. 0.5C. 0.75D. 1 |
| Answer» Correct Answer - A | |
| 72. |
A pair of genes is said to be linked if their recombination frequency in test cross isA. 0.75B. 0.5C. 1D. Lower than 50% |
| Answer» Correct Answer - D | |
| 73. |
Two linked genes a nad b show 20% recombination the indivsuls of a hybrid cross between ++/++ X ab/ab shaoll show gemetes:A. `++80:ab:20`B. `++50:ab:50`C. `++40:ab:40:+a 10:+b:10`D. `++30:ab 30:+a20:+b:20.` |
| Answer» Correct Answer - B | |
| 74. |
Two linked genes a nad b show 20% recombination the indivsuls of a hybrid cross between ++/++ X ab/ab shaoll show gemetes:A. `++50:ab 50`B. `++80:ab20`C. `++40 :ab 40 :a 10:+b10`D. `++30:ab 30:+a20:+b10` |
| Answer» Correct Answer - C | |
| 75. |
Diploid chromosome number in humans is :A. 46B. 44C. 48D. 42 |
| Answer» Correct Answer - A | |
| 76. |
Diploid chromosome number in humans is :A. 42B. 44C. 46D. 48 |
| Answer» Correct Answer - C | |
| 77. |
the planrt with lowest chromosome number is :A. Poa litorosaB. Cyperus rotundusC. Salix tetrapermaD. Haplopappus gracilis |
| Answer» Correct Answer - D | |
| 78. |
The major cause of evolution of genes and protein isA. point mutationB. sexual reproductionC. chromosomal aberrrationD. gene duplication and divergence |
| Answer» Correct Answer - A | |
| 79. |
if the root cell in wheat plant has 42 chromosome ,then the number of chromosome in apore mother cell will be :A. 14B. 28C. 42D. 21 |
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Answer» Correct Answer - D Because synergied is a haploid cell. |
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| 80. |
AN angiospermic male plant with 24 chromosomes in its pollen mother cells is crossed with female plant bearing 24 chromosomes in its root cells . What would be the ploidy of embryo and endosperm respectively formed after this cross ?A. 24 and 36B. 48 and72C. 24 and 48D. 24 and 24 |
| Answer» Correct Answer - A | |
| 81. |
Mobile genetic sequences are calledA. ExonsB. CistronsC. IntronsD. Transposons |
| Answer» Correct Answer - D | |
| 82. |
Root cells of wheat has 2n=42 chromosomes . Which one of the following is the basic chromosome number fo wheat ?A. 7B. 14C. 42D. 21 |
| Answer» Correct Answer - A | |
| 83. |
if here are 16 chromosome in the roots of union ,then the number of chromosomes in the syergid cells will be :A. 2B. 8C. 4D. 16 |
| Answer» Correct Answer - B | |
| 84. |
Plant A is having Chromosomes no 2n=12 and B having 2n=16 Both are crossed to form allotetraploid C. What is the Chromosomes number of CA. 7B. 14C. 32D. 28 |
| Answer» Correct Answer - D | |
| 85. |
Loss or gain of one or more complete set of chromosomes along with the diploid complement is known as:A. reverse tandem duplicationB. subsitition mutationC. aneuploidyD. euploidy |
| Answer» Correct Answer - D | |
| 86. |
Plant A has 2n =12 chromosomes while plant B has 2n = 16 chromosomes . An allotetaploid is raised from them . What is its chromosome numberA. 7B. 14C. 28D. 32 |
| Answer» Correct Answer - C | |
| 87. |
Chromosomes complement with 2n-1 is calle asA. MonosomyB. NuilliosomyC. TrisomyD. Terasomy |
| Answer» Correct Answer - A | |
| 88. |
From the pedigree chart of a family one can make an analysis that it is on A. Authosomal dominant traitB. Autosomal recessive traitC. Allosomal dominant traitD. allosomal recvessive trait |
| Answer» Correct Answer - B | |
| 89. |
One of the gnes present exclusively in the X - chromosome in himans is concerned withA. BaldnessB. Red-green colour blindnessC. Facial hair/ moustaches in malesD. Night blindness |
| Answer» Correct Answer - B | |
| 90. |
The genes concerned with the production of cancer are calledA. OncogenesB. carcinomesC. carcinnogensD. cancar genes |
| Answer» Correct Answer - A | |
| 91. |
Genic balance theroy holds good in case ofA. HumansB. DrosophilaC. GrasshopperD. Allium cepa |
| Answer» Correct Answer - B | |
| 92. |
Crossing over occurs in:A. mitotic cellsB. meiotic cellsC. amitotic cellsD. mutaing cells |
| Answer» Correct Answer - B | |
| 93. |
During meiosis crossing over occurs at :A. zygoteneB. pachyteneC. leptoteneD. diakinesis |
| Answer» Correct Answer - B | |
| 94. |
Greater is the distance between the two genes on a chromosomeA. Greater is te linkage strengthB. Lesser is the linkage streangthC. Linikage strength remains unchangeedD. There is no relationship between the two |
| Answer» Correct Answer - B | |
| 95. |
Gane frequency of a population will continue to remain stable unless it is not influenced by :A. mutationB. selectionC. random driftD. random mating |
| Answer» Correct Answer - B | |
| 96. |
Which of the following chromosomal altrerations does not alter genic balance but may affect phenotype because of differences in gane expression?A. DeletionB. InversionC. DuplicationD. Both (b) and (c) |
| Answer» Correct Answer - B | |
| 97. |
Crossing over occurs atA. Single strand satge of chroomosmes during propaseB. Two strand stage during zygoteneC. Metaphase II of meiosisD. |
| Answer» Correct Answer - C | |
| 98. |
The linked character s would always inherit together till they areA. Delinked by dominanceB. Masked by dominaceC. MutatedD. Separtesd due to crossing over |
| Answer» Correct Answer - D | |
| 99. |
A man a inherit his X chromosome fromA. Paternal grandfateherB. Paternal grandmotherC. Moternal grandfather or grandmotherD. |
| Answer» Correct Answer - D | |
| 100. |
Distance between the genes a,b,c and d in map units is a-d =3.5 , b-c=1,a-b=6, c-d=1.5 and a-c=5 .Find out the sequecne of the genesA. AdcbB. acdbC. abcdD. acbd |
| Answer» Correct Answer - A | |