Search SchoolNGR

Tuesday, 23 June 2026
Register . Login

Biology Past Questions and Answers

Biology Questions

Question 256:
A married couple has 10 children and they are all girls. Which of the following is the CORRECT explanation?
  • A The woman is incapable of producing male children
  • B The man’s sperms are very weak
  • C The man is not athletic enough
  • D The Y component of the men’s sex chromosomes was always involved
  • E The X component of the man’s sex chromosomes was always involved
View Answer & Explanation
Question 257:
If a 26 year old blind man married a young one-eyed woman and they had four children, how many of them would be blind like there father?
  • A All
  • B 3
  • C 2
  • D 1
  • E None
View Answer & Explanation
Question 258:
The glottis is the opening which leads to the
  • A Oesophagus
  • B Larynx
  • C Nostrils
  • D Pharynx
  • E Mouth
View Answer & Explanation
Question 259:
A tapeworm has no alimentary canal because
  • A It is autotrophic
  • B It does not feed
  • C It has no enzymes
  • D Its body absorbs digested food
  • E The suckers on the scolex suck blood
View Answer & Explanation
Question 260:
A grass hopper respires by the means of its
  • A Lung-books
  • B Gills
  • C Lungs
  • D Antennae
  • E Tracheal tubes
View Answer & Explanation