Jamb Biology Questions - Morphological variations in the physical appearance of individuals
Question 1:
A sugar solution was boiled with fehling’s solution A and B and the colour remained blue. The sugar tested was
- A Glucose
- B Maltose
- C Fructose
- D Sucrose
- E Lactose
Question 2:
Fehling's solution will readily change colour from blue to reddish colour when it is
- A Mixed with sugar solution in the cold
- B Warmed or heated by itself
- C Mixed with reducing sugar in the cold
- D Warmed or heated with complex solution
- E Warmed with a solution of reducing sugar
Question 3:
In which of the following crosses will all the female offspring be colour blind?
- A Colour blind mother x colour blind father
- B Colour blind mother x normal father
- C Carrier mother x colour blind father
- D Carrier mother x normal father
Question 4:
A dwarf plant can be stimulated to grow to normal height by the application of
- A Thyroxin
- B Gibberellin
- C Insulin
- D Kinin
Question 5:
Woman do not suffer from colour blindness because
- A The trait is sex-linked
- B Only men are colour blind
- C The genes are recessive and sex-linked
- D The genes occur on both the X and Y chromosomes