Why is colour blindness more prevalent in males than in females? OR Why do more men suffer from heamophilia as compared to women?

Why urinary tract infections are more common in females than males?

Why do stable nuclei never have more protons than neutrons?

A body weighs more at poles than at the equator of earth. Why ?

Why is DNA molecule more stable genetic meterial than RNA? OR DNA is more stable than RNA. Justify/Give reason.

Why do stable nuclei have more neutrons than protons?

Why do slim persons feel more cold in winter than those who are obese?

Why do the son of colour blind's father is not suffering from the same trait?

Veena observes that during winter setting of milk into curd takes more time while during summer, the same process happens faster. She asks about this difference in time taken to her elder sister. She also asks her sister about why certain reactions occur rapidly while others occur slowly. Her sister explains her about the various factors that affect the rate of chemical reactions. Based on the above scenario, answer the following questions. The reaction of aluminum metal with dilute hydrochloric acid takes place faster as compared to zinc metal. What could be the reason for this difference?

Answer the following questions Sprain is more painful than fracture. Why?