HSSC Laboratory Asst. / Dt.-01-01-2023 Morning Shift (Cat. No. 11,12,13,14,15)Total Questions: 10051. Name the mapping technique used to determine the position of restriction sites in a DNA molecule-(a) Genetic mapping(b) Restriction mapping(c) Biochemical markers(d) DNA markersCorrect Answer: (b) Restriction mapping52. Which of the following pairs is wrongly matched?(a) ABO blood group - Discrete units(b) Multiple alleles - Female Drosophila(c) Heterogametic - Phenylketonuria(d) Inborn error - ABO blood groupCorrect Answer: (c) Heterogametic - Phenylketonuria53. In humans, the mechanism of sex determination is-(a) XX-XY: male heterogamety(b) XX-XY: female heterogamety(c) XX-XO: male heterogamety(d) XX-XO: female heterogametyCorrect Answer: (a) XX-XY: male heterogamety54. The female children of a haemophiliac man and carrier woman are likely to be-(a) All haemophiliacs(b) Half haemophiliac and half carriers(c) All carriers(d) Half normal and half carriersCorrect Answer: (a) All haemophiliacs55. Two organelles responsible for cytoplasmic inheritance among eukaryotes are-(a) Lysosomes and mitochondria(b) Golgi apparatus and mitochondria(c) Nucleus and mitochondria(d) Chloroplasts and mitochondriaCorrect Answer: (d) Chloroplasts and mitochondria56. Kappa particles indicate-(a) Cytoplasmic inheritance(b) Mutations(c) Nucleo-cytoplasmic inheritance(d) Nuclear inheritanceCorrect Answer: (a) Cytoplasmic inheritance57. Drosophila flies, with one half of the body as male and the other half female, are referred to as(a) Gynandromorph(b) Hermaphrodite(c) Super female(d) IntersexCorrect Answer: (a) Gynandromorph58. Which of the following is a default pathway in Drosophila?(a) Development of male characters(b) Repression of male characters(c) Development of female characters(d) All pathways are inducedCorrect Answer: (a) Development of male characters59. Genetic combination of AA: XYY in Drosophila gives a-(a) Female(b) Non-viable female(c) Male(d) Non-viable maleCorrect Answer: (c) Male60. Genes for which of the following characters in Drosophila were found to be very tightly linked by Morgan?(a) Eye colour and wing size(b) Body colour and wing size(c) Wing colour and eye colour(d) Body colour and eye colourCorrect Answer: (d) Body colour and eye colourSubmit Quiz« Previous12345678910Next »
