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.
| 551. |
Wilson disease is asoicated with abnormal matabolism ofA. IronB. PotassiumC. CopperD. Iodine |
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Answer» Correct Answer - C Wilson disease is progressive ,autosomal recessive disease due to defective copper metabolism resulting in accumulation of copper in liver , brain , kidneys,etc .A pigmented ring appears at the outer margin of cornea. |
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| 552. |
When two genes are situated very closed to each other in a chromosomeA. no crossing overB. high crossing overC. hardly any crossing overD. Only subtle crossing over |
| Answer» Correct Answer - C | |
| 553. |
The number in linkage group in E.coil is `//`areA. 1B. 2C. 4D. 5 |
| Answer» Correct Answer - A | |
| 554. |
Given are the statements regarding linkages of genes: (i) the strength of the linkage is determined bythe sidtance between the 2 genes ion question , (2)The strengrth of the linkage is directly proportinal to the distance bbetween the two genes.(3) THe two genes are said to be linked when they fail to show indendents assrtment. out of these statements:A. all are correctB. (i) and (ii) are correctC. (i) and (iii) are correctD. (ii) and (iii) are correct |
| Answer» Correct Answer - C | |
| 555. |
Triticm monococcm is :A. diploidB. triploidC. TetraploidD. Hexaploid |
| Answer» Correct Answer - A | |
| 556. |
Triticum durum durum is :A. diploidB. triploidC. tetraploidD. Hexaploid |
| Answer» Correct Answer - C | |
| 557. |
which is a ployploid?A. MangoB. GuavaC. TobaccoD. Triticum aestivum |
| Answer» Correct Answer - D | |
| 558. |
Triticum aestivam ,the common bread wheat ,is :A. diploid with 14 chromosomesB. triloid with 24 chromosomesC. hexaploid with 42 chromosomesD. tetraploid witjh 28 chromosomes |
| Answer» Correct Answer - C | |
| 559. |
An undertized human ovum hasA. X andY chromosomesB. Xand X chromosomesC. X in some and Y in other sD. Only one X- chromosome. |
| Answer» Correct Answer - D | |
| 560. |
Eucaryotic chromosome is made ofA. DNAB. DNA+proteinC. DNA +lipidsD. RNA |
| Answer» Correct Answer - B | |
| 561. |
A haemophiliac man marries a carrier woman Their children will beA. All children haemophiliacB. One fourth children haemophiliacC. Half children haemophiliacD. One tenth childeren haemophiliac |
| Answer» Correct Answer - C | |
| 562. |
Haemophiliac man marries a normal woman Their offspering will beA. All normalB. All haemophilicC. All boys haemophilicD. All girls haemophilic |
| Answer» Correct Answer - A | |
| 563. |
A haemophiliac man marries a carrier woman Their children will be |
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Answer» Correct Answer - A Haemophiliac daughters die before birth. |
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| 564. |
Both husband and wife have normal vision though their father were colour blind and mother did not have any gene for colour blindness .The probability of their daughter becoming colour blind is : |
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Answer» Correct Answer - A Daughter can become colour blind only if the father is also colour blind. |
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| 565. |
A pollen from green branch fertilizes an ovum of pale type in Mirabilis jalapa.What shall be the progeny?A. GreenB. VarigatedC. PaleD. All the above |
| Answer» Correct Answer - C | |
| 566. |
Pick out the correct statements (a) Haemophilia is a sex linked recessive disease (b) Down syndrome is due to aneuploidy (c ) Phenyl ketonuria is an autosomal recessive gene disroder (d) Sickle cell anaemia is X-linked recessie gene disorederA. a,b and c are correctB. a and d are correctC. b and d are correctD. a,c,d are correct |
| Answer» Correct Answer - A | |
| 567. |
A man sufferin g rom recessive Xlinked disease marries a normal woman .In the progenyA. All sons are normalB. All daughter are diseasedC. All sons are diseasedD. None opf the above |
| Answer» Correct Answer - A | |
| 568. |
A colour blind man marries a daughter of another colour blind man whose wife had a normal nenotype . In their progenyA. All the children will be colour blindB. All therir sons are colour blindC. None of the daughter would be colour blindD. Half of their sons and half of their diaughters would be colour blind. |
| Answer» Correct Answer - D | |
| 569. |
Which is not an X- linked recessive disease?A. `beta`-ThealassemiaB. Haemophilia-Y chromosomesC. Colour blindnessD. Glucose 6 phosphate dehydrogenase deficiecny. |
| Answer» Correct Answer - A | |
| 570. |
Which is X - linked recessive trait with locus in Xq 28 and related to factor VIIIA. Haemophilia AB. Haemophilia BC. Haemophilia CD. Christmas disease |
| Answer» Correct Answer - A | |
| 571. |
Which is true ofr recessive disease in falmily A andB A. In family A, both parents are homozygous recessiveB. In fmily B, boith the parents are homozygous dominantC. In family B, both the parents are heterozygous recessiveD. In family A, both the parents are heterozygous recessive |
| Answer» Correct Answer - D | |
| 572. |
Nephritis is due toA. Y-linked inheritanceB. X-linked inheritacneC. XY-linked inheritanceD. Autosomal gene inheritance |
| Answer» Correct Answer - C | |
| 573. |
Given below are assertin and reason. Point out if both are true with reason being corect explanation (A) both true but reason is not coredct explanation (B) assertion true but reason is wrong (c ) both are worng (d) Assertion XX-XY type of sex determination mechanism is an example of male heterogamety Reason In birds male heterogamety is observed as males produce two different types of gametesA. AB. BC. CD. D |
| Answer» Correct Answer - C | |
| 574. |
Give below are assertion and reason . Point out if both if both are true with reasoin being true explanation (A), bith are true but reason is not correct explanation (B), assertion is true but reason is worng (c ) and both are worng (D) Assertion only a boy chilld could be born with a substitution of flutamic acid by valine on 6th ofA. AB. BC. CD. D |
| Answer» Correct Answer - D | |
| 575. |
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 some species of asteraceae and poaceae, seeds are formed without fertilization Reason. Formation of fruit without fertilization is called parthenocarpyA. AB. BC. CD. D |
| Answer» Correct Answer - A | |
| 576. |
Give below are assertion and reason .Point out if both are true with reason being true explanation (A) , both are ftrue but reason is not correct explanation (B) , assertion is true but reason is worong (c ) , and both are worong (D). Assertion A middle aged woman is havbing small sized breasts and undersized uterus Reason Her genotype showns XO condition of allosomes.A. AB. BC. CD. D |
| Answer» Correct Answer - A | |
| 577. |
A phenomenon which works opposite to the linkage isA. Independent assortmentB. Crossing overC. SegregationD. Mutation |
| Answer» Correct Answer - B | |
| 578. |
Relative Biological Effectiveness (RBE) usually refers to damage caused byA. Low temperatureB. High temperatureC. RadiationD. Pollution |
| Answer» Correct Answer - C | |
| 579. |
Chromosomes aberration occurs due toA. AneuploidyB. PolyploidyC. Physical effectsD. All the above |
| Answer» Correct Answer - C | |
| 580. |
Cytoplasmic inheritacne is also calledA. Maternal inheritanceB. Clonal inheritanceC. Cytoplasmic associationD. None of the above |
| Answer» Correct Answer - A | |
| 581. |
The two eucaryotic organelles responsible for cytoplasmic inheritacne areA. Lysosomes and mitochondriaB. Chloroplasts and lysosomesC. Mitochondria and chloroplastsD. Mitochondria and Golgi complex |
| Answer» Correct Answer - C | |
| 582. |
Gene for diabetes mellitus isA. Autosomal dominant inheritacneB. Autosomal recessiveC. Sex linked dominantD. Sex linked recessive |
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Answer» Correct Answer - A Diabetes mellitus is actually a polygenic disorder. |
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| 583. |
Number of histone proteins in each nucleosome core isA. 10B. 8C. 12D. 14 |
| Answer» Correct Answer - B | |
| 584. |
Triticum aestivum (Bread wheat) isA. TetraploidB. HexoploidC. DiploidD. Haploid |
| Answer» Correct Answer - B | |
| 585. |
Frequencyof an autosomal recessive lethal gene is 0.4 Frequency of carrier in a population of 200 individuals isA. 72B. 96C. 104D. 36 |
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Answer» Correct Answer - B Frequency of recessive allele is 0.4 Frequency of domint allele shall be 0.6 (1.0-0.4=0.6) Frequency of carrier (2 Aa) would be `2xx0.6xx0.4=0.48` and hence 96 out of 200 As the stage of lethality is not mentioned it is presumed that the same willnot occur in the embroyo stage. |
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| 586. |
Lethal gene of Drosophila isA. Curly wings (Cy)B. Plum eyes(Pm)C. Stubbles(sub)D. All of these |
| Answer» Correct Answer - D | |
| 587. |
Recessive mutations are expresssed in:A. Next generationB. same generationC. homozygous conditionD. Heterozygous condition |
| Answer» Correct Answer - C | |
| 588. |
the mutation in germ ccells can be detected in :A. Next generationB. same generationC. both generationD. none of the generations |
| Answer» Correct Answer - A | |
| 589. |
Assertion (a) :- An organism with lethal mutation may not even develop beyond the zygote stage. Reason (R ) :- All types of gene mutations are lethal .A. Both (a) and (R ) are true (r ) is the correct explanation of (A)B. both (A) and(R ) are true but (R ) is not the correct explanations of (A)C. (A) is true statement but (R ) is falseD. Both (a) and (R ) are false |
| Answer» Correct Answer - C | |
| 590. |
Seedless watermelons have been obtained throughA. Vegetative propagationB. HaploidyC. TriploidyD. Gibberellin application |
| Answer» Correct Answer - C | |
| 591. |
chromosomal aberrations referto :A. aneuploidyB. polyploidyC. numerical changesD. morphological changes |
| Answer» Correct Answer - D | |
| 592. |
Compared to an ordinary chromosome , a polytene chromosome is generally:A. smallerB. 10 times largerC. 100 times largerD. 1000 times larger |
| Answer» Correct Answer - C | |
| 593. |
Which of the following animals is extentene chromosome I sgenerally :A. RabbitB. AmoebaC. DrosophilaD. periplanrta |
| Answer» Correct Answer - C | |
| 594. |
Which one of the following animals posseses giant chromosome ?A. mouseB. XenopsyllaC. DrosophilaD. Branchiomyces |
| Answer» Correct Answer - C | |
| 595. |
Mutations were first reported by De vries inA. PeaB. DaturaC. Oenothera lamarckianaD. None of the above |
| Answer» Correct Answer - C | |
| 596. |
Salvery gland chromosomes were discovered by :A. HeitzB. R`ddotu`ckertC. WilsonD. Balbinai |
| Answer» Correct Answer - D | |
| 597. |
An exchange of segments between the two non homologous chromousomes is callledA. PolyplodyB. Chromosmal aberratioonC. TransloctionD. Inversion |
| Answer» Correct Answer - C | |
| 598. |
Lampbrush gland chromosomes are found during :A. DiploteneB. leptoteneC. diakinesisD. pachtyene |
| Answer» Correct Answer - A | |
| 599. |
Lampbrush chromosomes are found in:A. All germ cellsB. All somatic cellsC. Salivery gland cells of fruitflyD. oocytes of urodel amphibians |
| Answer» Correct Answer - D | |
| 600. |
Exchange of segments between nonhomologus chromosomes isA. Crossing overB. InversionC. DuplicationD. Translocation and duplication |
| Answer» Correct Answer - D | |