Search SchoolNGR

Monday, 22 June 2026
Register . Login

Biology Past Questions and Answers

Biology Questions

Question 616:
The region that control most of the unconscious processes of a mammalian body is the
  • A Cerebellum
  • B Cerebrum
  • C Spinal cord
  • D Medulla oblongata
View Answer & Explanation
Question 617:
During cell division, the two strands of chromosomes are joined at a point called
  • A Spindle
  • B Chromatid
  • C Centromere
  • D Aster
View Answer & Explanation
Question 618:
when the two alleles present in an organism are of the same type, the genotype is described as
  • A Heterozygous
  • B Heterogamous
  • C Homozygous
  • D Homologous
View Answer & Explanation
Question 619:
If parents with blood groups AB and O produce six children
  • A Three of them will have group B
  • B Two of them will have group A
  • C All the offspring will have group O
  • D None of them will have group A
View Answer & Explanation
Question 620:
Which of the following is a sex-linked character?
  • A Sickle-cell anaemia
  • B Tongue rollling
  • C Skin colour
  • D Colour blindness
View Answer & Explanation