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.
| 101. |
Distance between two linked genes is measured fin map units that depictA. Ratio of crossing over between themB. Cross over valueC. Number of genes between themD. Both B and C |
| Answer» Correct Answer - B | |
| 102. |
In a cross between genotype Ab and ++, 1700 out of 2000 individuals were of parental type. The distance between A and B isA. 35 map unitsB. 45 map unitsC. 30 map unitsD. 15 map units |
| Answer» Correct Answer - D | |
| 103. |
in a cross between genotype AB and ++ ,650 out of 1000 individuls were parental type .the distance between A and B is :A. 15 map unitsB. 30 map unitsC. 35 map unitsD. 45 map units |
| Answer» Correct Answer - C | |
| 104. |
the map distance between gennes A and B is 3 units ,between B and C 10 units and between C and A 7 units .what is the sepuence of the genes on the linklage map ?A. BACB. ABCC. BCAD. CBA |
| Answer» Correct Answer - A | |
| 105. |
Percentage of recombination between A and B is 9% and C is 17%. B and C is 26%, then the arrangement of genes isA. ABCB. ACBC. BACD. BCA |
| Answer» Correct Answer - C | |
| 106. |
Percentage of recombination between A and B is 9% and C is 17%. B and C is 26%, then the arrangement of genes isA. ABCB. BACC. ACBD. None of these |
| Answer» Correct Answer - B | |
| 107. |
Distance between the genes and percentage of recombination showsA. no relationshipB. a direct relationshipC. a parallel relationshipD. an inverse relationship |
| Answer» Correct Answer - B | |
| 108. |
Distance between the genes and percentage of recombination showsA. A direct relationshipB. An inverse relationshipC. A parallel relationshipD. No relationship |
| Answer» Correct Answer - A | |
| 109. |
In maize, hybrid vigour is exploited by:A. Inducing mutationsB. bombaring the seeds wioth DNAC. Crossing of two inbread parental linesD. harvesting seeds from from the most productive plants |
| Answer» Correct Answer - C | |
| 110. |
The loci of genes A and B are on different chromosomes. A dihybrid autotetraploid plant of genotype AA aa BB bb is self-pollinated. Assume that only diploid gamets are formed and that the loci A and B are very close to their respective centromere (chromosome segregation) Find the phenotypic expectations of the progency.A. 1225 AB:35Ab:35aB: labB. 1130 AB : 24Ab: 24aB :labC. 936 Ab: 14Ab: 14aB: labD. 890 AB: 13Ab:13aB: lab |
| Answer» Correct Answer - A | |
| 111. |
Match column I with column II and find the correct answer : `{:(,"column I",,"Column II"),(A,"Monoploidy",1, 2n-1),(B,"Monosomy",2,2n+1),(C,"Nullisomy",3, 2n+2),(D, "Trisomy",4, 2n-2),(E, "Tetrasomy",5,n),(,,6,3n):}`A. `A=5,B=1,C=4,D=2,E=3`B. `A=5,B=2,C=4,D=1,E=3`C. `A=6,B=5,C=3,D=4,E=2`D. `A=2,B=1,C=3,D=6,E=5` |
| Answer» Correct Answer - A | |
| 112. |
Select the correct statements from the ones given below with respect to dihybrid crossA. Tightly linked genes on the same chromosome show higher recombinationsB. Genes far apart on the same cghromosome show few recombinationsC. Genes loosley linked on the chromoesome show similar recombinations as the tightly linked onesD. Tightly linked on the same chromosomes show very few recominations |
| Answer» Correct Answer - D | |
| 113. |
How many linkage group are there in bacteria E. coli :-A. 4B. 2C. 1D. 5 |
|
Answer» Correct Answer - D All those, which are located in the single chromosome constitute a linkage group. E. coli contains a single linkage group. |
|
| 114. |
The number of linkage group (s) present In Escherichia Coli is :A. oneB. twoC. fourD. seven |
| Answer» Correct Answer - A | |
| 115. |
Number of linkage groups in Escherichia coli isA. 1B. 2C. 4D. 5 |
| Answer» Correct Answer - A | |
| 116. |
R-II strain of `T_(4)` bacteriphasge connot lyse Escherichia cloi .Two of its types ,`R-II^(x) "and" T-II^(y)` were allowed to invade the bacterium which lysed because ofA. Transformation into wild typeB. Presenece of similar cistronsC. Presence of different cistronsD. Absence of mutation |
| Answer» Correct Answer - A | |
| 117. |
A colour blind person connot distinguishA. Red and greenB. Green and blueC. Yellow and whiteD. Black and yellow |
| Answer» Correct Answer - A | |
| 118. |
Queen victoria of England wasA. Haemophiliac carrierB. Colour blindC. AIDS patientD. Deaf |
| Answer» Correct Answer - A | |
| 119. |
In Drosophila Xxy is female .In humans it represents an abnormal male becauseA. Y-chromosome induces male traits in lhumansB. Y-chromosome is essential for female sex in DrosophilaC. Y-chromosome is not essential for male sex in humansD. None of the above |
| Answer» Correct Answer - A | |
| 120. |
Match the columns A. a-6,b-5,c-3,d-4,e-2B. a-5,b-2,c-4,d-1,e-3C. a-5,b-1,c-4,d-2,e-3D. a-1,b-1,c-3,d-6,e-5 |
| Answer» Correct Answer - C | |
| 121. |
Which one is a sex linked disorder?A. Sickle cell anamiaB. AlbinismC. HaemophiliaD. Phenylketonuria and hamophila |
| Answer» Correct Answer - C | |
| 122. |
Cri- du chat syndrome is due to chromosomal change invlvingA. DuplicationB. InversionC. DeletionD. Translocation |
| Answer» Correct Answer - C | |
| 123. |
Cri-du-chat syndrome in humans is caused byA. Trisomy of 21st chromosomeB. Loss of half of short arm of chromosome 5C. Loss of half of long of long arm of chromosome 5D. Fertilization of an XX egg by a normal Y bering sperm. |
| Answer» Correct Answer - B | |
| 124. |
Hereditary material present outside nucleus is known asA. GenomeB. PlasmonC. ProteomeD. Cytol |
| Answer» Correct Answer - B | |
| 125. |
Albinism is due to hereditary deficiency of enzymeA. AmylaseB. Carbonic anhydraseC. Acetuy chloine esteraseD. Tyrosinase |
| Answer» Correct Answer - D | |
| 126. |
Which one is not a hereditary diseaseA. Cystic fibrosisiB. cretinismC. ThalassaemiaD. Hamophilia |
| Answer» Correct Answer - B | |
| 127. |
A normal couple has seven children (2 doughter and 5 sons) .Three of the sons ssthe doughters is affected . Which is the inheritacne type?A. Sex limited recesiveB. Autosomal dominanatC. Sex linke dominantD. Sex linked recessive |
| Answer» Correct Answer - D | |
| 128. |
Balckining of exposed urine is a metaboic disorder due otA. PhenylalanineB. TyrosineC. Homogenticsic acidD. Valine replacing gultamic acid |
| Answer» Correct Answer - C | |
| 129. |
Which of the following is incorrectly pairedA. sry gene- X chromosomeB. 2n-2- NullisomeC. Nucleoid- prokaryoteD. Polytene chromosome -Drosophila |
| Answer» Correct Answer - A | |
| 130. |
The chromosomal rearrangement results in :A. EuploidyB. AneuploidyC. DuplicationD. Polyploidy |
| Answer» Correct Answer - A | |
| 131. |
Consider among following statements regarding multiple alleles. I. Influence the different characters. II. Have arisen as a result of mutation of the normal gene. III. Exhibit the phenomenon of crossing over in itself. IV. Occupy the same locus in the homologous chromosomes. Choose the correct option.A. I and IIB. II and IIIC. II and IVD. I and IV |
| Answer» Correct Answer - C | |
| 132. |
the muation of the type in which a part or the complate gene is removed from rthe genome is called :A. DeletionB. inversionC. DuplicationD. translocation |
| Answer» Correct Answer - A | |
| 133. |
Attachment of a chromosmal fragemed resulting in addition of one or more genes to a chromosome is called :A. inversionB. deletionC. translocationD. duplication |
| Answer» Correct Answer - C | |
| 134. |
Rearrangemnt o fa group of genes in a chromosome in such aways that their order in the chromosome is reversed is refered to as :A. inversionB. deficiencyC. interchangeD. translocation |
| Answer» Correct Answer - A | |
| 135. |
The complex formed by a pair of synapsed homologous chromosomes is calledA. BivalentB. AxonemeC. KinetochoreD. Equatorial plate |
| Answer» Correct Answer - A | |
| 136. |
Polypoloid fromed by two diffeent speices is calledA. AutopolyploidB. AllopolyploidC. TriploidD. Monoploid |
| Answer» Correct Answer - B | |
| 137. |
If during synapsis a certain kind of abnormal chromosmes is always forced to bulge out aways from its noramal homolgue ,the abnormality is classified as a /an :A. DeficiencyB. inversionC. DuplicationD. isochromosome |
| Answer» Correct Answer - C | |
| 138. |
The exchange of chromosomal parts between non-homologous chromosomes is known asA. TranslocationB. TranscriptionC. TransductionD. Translation |
| Answer» Correct Answer - A | |
| 139. |
A speices has 2n=16 chromosmes. How many chromosomes will be found per cell in each of the following mutant species?I. MonosomicII.AutotriploidIII. TrisomicIV.Double monosomicV. Nullisomic The correct sequence of chromosomes for (I to V) areA. 15,24,17,14,14B. 24,32,18,40,12C. 16,22,14,21,16D. 26,34,20,42,14 |
| Answer» Correct Answer - A | |
| 140. |
The haploid chromosmes number of a sexually reproducing angiospem is 12 the chromosome number of the embroyo and endosperm of plant are respectivel,y:A. 12 and 36B. 24 and 24C. 36 and 24D. 24 and 36 |
| Answer» Correct Answer - D | |
| 141. |
which of the following chromosomal matation are most likely t take palce when homologous chromosmes are undergoing synapsis?A. Inversion and deletionB. deletion and duplicationC. Inversion and transslocationD. Translocation and duplication |
| Answer» Correct Answer - B | |
| 142. |
Out of 8 ascospores formed in Neurospora the arrangement is 2a:4A:2a showingA. No crossing overB. Some meiosisC. Second generation divisionD. First generation division |
| Answer» Correct Answer - C | |
| 143. |
In Neurospora ,8 ascospores are formed instead of 4 .This indicatesA. One meiosisB. two mitosisC. two meiosisD. meiosis followed by mitosis |
| Answer» Correct Answer - D | |
| 144. |
If the crossing over had occurred at two strand stage I Neurospora the ascospores would be arrnaged inA. 1-1 positionB. 2-2 positionC. 4-4 positionD. None of these |
| Answer» Correct Answer - C | |
| 145. |
In Neurospora ,8 ascospores are formed instead of 4 .This indicatesA. One meiosisB. Two meiosisC. Two meiosisD. Two mitosis |
| Answer» Correct Answer - D | |
| 146. |
In human zygote male sex is dtermined byA. Strength of fatherB. Nutrition of motherC. Compostion of required chromosomicD. None of the above |
| Answer» Correct Answer - C | |
| 147. |
Mutations can be induced in bacteria byA. Growing different strains in same cultureB. StarvationC. Providing growth substancesD. High energy radiations |
| Answer» Correct Answer - D | |
| 148. |
Mutations in plants canot be induced byA. RadiationB. Ethyl methane sulphonateC. Nitrous acidD. Radiowaves |
| Answer» Correct Answer - D | |
| 149. |
Find the correct combinationn.Linkage groups 1. Have genes which are linked in single chromosomes 2. Show independent assortment 3. Do not show independent assortment 4.In prokaryotes more than one.A. 1,2,3 correctB. 1,2 correctC. 2,4 correctD. 1,3 correct |
| Answer» Correct Answer - D | |
| 150. |
In order to remain linked the distacne between two genes should not increase beyoundA. 10 map unitsB. 20 map unitsC. 40 map unitsD. 50 map units |
| Answer» Correct Answer - C | |