201. This is an example of:
Answer: B. incomplete dominance
Biology Class 11 Unit 12: Inheritance MCQs
228 multiple choice questions with the correct answer for each. Tap an option to check yourself, or switch on "Show all answers". This is page 5 of 5.
Tap an option to check your answer.
202. The F2 phenotypic ratio would be:
Answer: C. 1 red : 2 pink : 1 white
203. A cross between a pink and a white plant gives:
Answer: C. 1 pink : 1 white
204. The pink flower plants are:
Answer: B. heterozygous
205. The genotype of the father is:
Answer: B. IAi
206. The genotype of the mother is:
Answer: C. IBi
207. The group O child has genotype:
Answer: D. ii
208. The ABO system exemplifies:
Answer: B. multiple alleles with co-dominance
209. The condition in the second baby is:
Answer: B. erythroblastosis foetalis
210. The anti-Rh antibodies were produced in the mother because of exposure to:
Answer: B. Rh antigen from the first baby's blood at delivery
211. The yellowing of baby's skin is due to accumulation of:
Answer: B. bilirubin
212. The condition could have been prevented by giving the mother:
Answer: C. Rh immunoglobulin (RhoGAM)
213. The mother of the boy is:
Answer: B. a carrier (XHXh)
214. The father of the boy has genotype:
Answer: B. XHY
215. The gene for haemophilia came to the boy from his:
Answer: B. mother
216. This type of inheritance is described as:
Answer: B. X-linked recessive criss-cross inheritance
217. The gene for eye colour is on the:
Answer: C. X chromosome
218. The F1 females are:
Answer: B. XRXr
219. The white-eyed F2 male has genotype:
Answer: B. XrY
220. This experiment was carried out by:
Answer: C. T. H. Morgan
221. This is an example of:
Answer: B. epistasis
222. The expected ratio of black : chocolate : yellow is:
Answer: C. 9:3:4
223. Yellow puppies have genotype:
Answer: C. ee
224. The gene which masks the black/chocolate gene is:
Answer: C. ee (the yellow gene)
225. The test is:
Answer: B. amniocentesis
226. About how much fluid is withdrawn?
Answer: C. 20 ml
227. The foetal cells are:
Answer: B. cultured, stained and examined under the microscope
228. A disorder detected could be:
Answer: B. Down syndrome (trisomy 21)
About Biology Class 11 Unit 12 MCQs (Federal Board)
These 228 Biology MCQs cover Class 11 Unit 12: Inheritance of the Federal Board (FBISE) HSSC-I (1st Year / Class 11) syllabus. They are SLO-based MCQs as per the new pattern for FBISE exams. Each question has four options and the correct answer is shown, so you can practise for the annual examination and find the topics you still need to revise. The questions are split over 5 pages of 50. Use the Print button to save this chapter as a PDF.