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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.
151. |
The number of Barr bodies in normale male and normale female isA. 1,0B. 1,1C. 0,1D. 0,2 |
Answer» Correct Answer - C | |
152. |
Which genotype will indicate colour blindness in male ?A. `X^(C )Y^(C )`B. `X^(C )X^(C )`C. `A^(C )A^(C )`D. `X^(C )Y` |
Answer» Correct Answer - D | |
153. |
Sex chromosme of a female bird are represented by :A. XOB. XXC. XYD. ZW |
Answer» Correct Answer - D | |
154. |
Number of Barr bodies present in each somatic cell of a females is :A. 1B. 2C. 3D. 4 |
Answer» Correct Answer - A | |
155. |
More men suffer from colour blindess than women becauseA. Women are more resistant to disease than menB. The male sex hormone testosterone causes the diseaseC. The colourblind gene is carried on the Y-chromosomeD. Men are hemizygous and one defective gene is enough to make them colourblind |
Answer» Correct Answer - D | |
156. |
Daigrammatic representation of a test cross is given below.Identify A and B and select the correct option: A. A-Homozygous dominant B-Homozygous recessiveB. A-Homozygous recessive Heterzgous doimnantC. A-Homozygous recessive Heterzgous doimnantD. A-Heterzygous recessive Homozgous doimnant |
Answer» Correct Answer - C | |
157. |
A diagrammatic representation of the chromosomes of an individual illustrating their morphology is referred to asA. PedigreeB. TransarrangementC. KaryotypeD. Idiogram |
Answer» Correct Answer - C | |
158. |
Criss-cross inheritace is observed for the genes present on :A. AutosomesB. Y-chromosomeC. X-chromosomeD. X-and Y-chromosome |
Answer» Correct Answer - C | |
159. |
Mental competence in relation to chronological age in man is called :A. IdiocyB. IntelligenceC. DiligenceD. Intelligence quotient |
Answer» Correct Answer - D | |
160. |
Mental competence in relation to chronological age in man is called :A. idiocyB. diligenceC. intelligenceD. intelligence quotient |
Answer» Correct Answer - D | |
161. |
Branch dealing with genetic engineering isA. eugenicsB. euthenicsC. euphenicsD. non of these |
Answer» Correct Answer - C | |
162. |
Improvement of the human race by improving the environmental condition is :A. eugenicsB. euthenicsC. euphenicsD. all of these |
Answer» Correct Answer - A | |
163. |
Improvement of the human race by improving the environmental condition is :A. eugenicsB. euthenicsC. euphenicsD. dysgenics |
Answer» Correct Answer - B | |
164. |
Improvement of human race through improvement of human environment isA. eugenicsB. euthenicsC. euphenicsD. non of these |
Answer» Correct Answer - A | |
165. |
The most striking example of point mutation is found in a disease calledA. ThalassaemiaB. Night blindnessC. Down syndromeD. Sickle -cell anaemia |
Answer» Correct Answer - D | |
166. |
A normal woman whose father was albino marries an albino,what proportion of normal and albino can be expected among their offspring ?A. all albinoB. all normalC. one normal :one albinoD. Two normal :one albino |
Answer» Correct Answer - C | |
167. |
Brilliant plumage in peacock is aA. Sex-influenced traitB. Holandric traitC. Sex-limited traitD. Criss-cross trait |
Answer» Correct Answer - C | |
168. |
Free martin is an example of :A. sex reversalB. transformer geneC. hormonal control of sexD. both (a)and (c ) |
Answer» Correct Answer - D | |
169. |
Which of the following condition is not X-linked ?A. MyopiaB. HaemophiliaC. down syndromeD. Colour blindness |
Answer» Correct Answer - C | |
170. |
In free-martin conditionA. both female and are sterileB. both female and are normalC. female is sterile and male is normalD. male is sterile and female is normal |
Answer» Correct Answer - C | |
171. |
Free-martins are common in :A. BirdsB. cattleC. drosophilaD. human beings |
Answer» Correct Answer - B | |
172. |
Free martins are found inA. PeacockB. SnakeC. MonkeyD. Sheep |
Answer» Correct Answer - D | |
173. |
Free-martins condition is observed in :A. dizygotic twinsB. monozygotic twinsC. both of theseD. none of these |
Answer» Correct Answer - A | |
174. |
A child of O blood group, hasB-blood group father, the genotype of father would be :-A. `l^(0)l^(0)`B. `l^(B)l^(0)`C. `l^(A)l^(B)`D. `l^(B)l^(B)` |
Answer» Correct Answer - B | |
175. |
The condition known as sickle-cell anaemia is due toA. Point mutationB. Silent mutationC. Frameshift mutationD. Chromosomal mutation |
Answer» Correct Answer - A | |
176. |
In anaemic person, the beta chain of haemoglobin is replaced by which of the following amino acid?A. Glycine by valineB. Glycine by lysineC. Glutamic acid by valineD. Valine by glutamic acid |
Answer» Correct Answer - C | |
177. |
How many genes are present in human genome?A. 4.6 millionB. 3.2 millionC. 4.2 millionD. 4.0 million |
Answer» Correct Answer - A | |
178. |
Human genome project was completed in the yearA. 2000B. 1980C. 1995D. 1997 |
Answer» Correct Answer - A | |
179. |
Three children in a family have blood types O,AB and B respectively. What are the genotypes of their parents?A. `I^(A)i and I^(B)i`B. `I^(A)I^(B) and ii`C. `I^(B)I^(B) and I^(A)I^(A)`D. `I^(A)I^(A) and I^(B)i` |
Answer» Correct Answer - A | |
180. |
A man with blood group B marries a women with blood group A and their first child ois having blood group B. What is the genotype of childA. `I^(B)i`B. `I^(B)I^(B)`C. `I^(A)I^(B)`D. `I^(A)i` |
Answer» Correct Answer - A | |
181. |
Genetically identical progeny is produced when the individualA. practies reproductionB. preforms self-fertilizationC. produces identical gametesD. practies inbreeding without meiosis |
Answer» Correct Answer - C | |
182. |
Marriage between close relatives should be avoided because it induces more:A. mutationsB. multiple birthsC. blood group abnormalitiesD. recessive alleles to come together |
Answer» Correct Answer - D | |
183. |
Which one is true about tubectonmy ?A. cutting the testisB. to make man sterileC. blocking of fallopian tubeD. blocking of the vasa differentia |
Answer» Correct Answer - C | |
184. |
The number of chromosomes in supermales isA. 47B. 42C. 43D. 44 |
Answer» Correct Answer - A | |
185. |
The characters of supermales areA. Abnormal heightB. Mental retardationC. Criminal bent of mindD. All of these |
Answer» Correct Answer - D | |
186. |
Brachydactyly is due to:A. dominant gene on the sex chromosomeB. dominant gene on the autosomeC. recessive gene on the autosomeD. Non of the above |
Answer» Correct Answer - B | |
187. |
Who has discovered the taste-blindness of phynyl thiocarbamide?A. foxB. follingC. franklinD. flemming |
Answer» Correct Answer - A | |
188. |
Who has discovered the taste blindness of phenyl thicarbamide?A. FoxB. FrankingC. FollingD. Flemming |
Answer» Correct Answer - A | |
189. |
The term eugenics was coined by :A. Hc ureyB. Francis galtonC. Thomas hunt morganD. Joshua Lederberg |
Answer» Correct Answer - B | |
190. |
The number of Y-chromosome corresponds to :A. number of X-chromosomeB. number of Y-chromosomeC. one less than number of X-chromosomesD. one more than number of X-chromosomes |
Answer» Correct Answer - C | |
191. |
Which of the following microscope is used to observe Y-chromatin ?A. Light microscopeB. Electron microscopeC. Ultraviolet microscopeD. phase contact microscope |
Answer» Correct Answer - C | |
192. |
Sex chromatin can be obsreved in interphase nuclei of :A. normal maleB. normal femaleC. jacob syndromeD. turner syndrome |
Answer» Correct Answer - B | |
193. |
Barr body is found in the nucleus duringA. Prophase in cell of the mammalB. interphase in cell of male mammalC. prophase in cell of femaleD. interphase in cell of female mammal |
Answer» Correct Answer - D | |
194. |
Barr body is found in :A. male somatic cellsB. male germinal cellsC. female somatic cellsD. female germinal cells |
Answer» Correct Answer - C | |
195. |
Barr body is associated with:A. autosome of maleB. autosomes of femaleC. sex chromosome of maleD. sex chromosome female |
Answer» Correct Answer - D | |
196. |
Barr body is associated with:A. AutosomeB. Y-chromosomeC. X-chromosomeD. Male sex only |
Answer» Correct Answer - C | |
197. |
Which of the following does not undergo transcription of its genes?A. Barr bodiesB. Polytene chromosomeC. EuchromationD. Chromosome puff |
Answer» Correct Answer - A | |
198. |
Barr body seen in saliva test in olympic games is associated withA. Y-chromosomeB. X-chromosomeC. AutosomesD. Male sex |
Answer» Correct Answer - B | |
199. |
Male produces two different types of gametes, it is calledA. sex-determinationB. Female homogamyC. Male heterogamyD. All of these |
Answer» Correct Answer - C | |
200. |
Albinism in man isA. Sex-linked diseaseB. Caused due to biochemical reactionsC. Caused due to physical mutations by radiationsD. None of the above |
Answer» Correct Answer - B | |