Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A) : Razia Sultan was the daughter of Iltutmish.
Reason (R) : Iltutmish was a rebel.
litutmish was a ruler of slave dynasty and Razia was his daughter.
Assertion (A) : Carbon monoxide when inhaled causes death.
Reason (R) : Carbon monoxide combines with haemoglobin.
Carbon monoxide, when inhaled, combines with haemoglobin of blood to form carboxyhaemoglobin which inhibits the transport of oxygen.
Assertion (A) : In India, females have higher life expectancy than the males.
Reason (R) : Females receive a better diet.
In India, due to high birth rate and due to neglect, females have a lower life expectancy than the males and although females need a better diet, they do not receive it.
Assertion(A) : The steam engine was invented by James Watt.
Reason (R) : There was a problem of taking out water from flooded mines
The problem of pumping out water from the flooded mines provided the need of a self working engine, which led James Watt to invent the same.
Assertion (A) : Gandhiji withdrew the non-cooperation movement
Reason (R) : There was violence at the Chauri Chaura outrage
Gandhiji withdrew the non-cooperation movement because of the violence in the Chauri Chaura outrage.
Assertion (A) : Shivaji developed the guerilla warfare.
Reason (R) : Shivaji feared the Mughals.
Shivaji initiated the guerilla warfare to defeat the Mughuls but he did not fear them.
Assertion(A) : A little gap is left between iron rails.
Reason (R) : Iron expands in summer.
Iron expands in summer. So, gaps are left between rails to allow for expansion.
Assertion (A) : Most of the Himalayan rivers are perennial.
Reason (R) : They are fed by melting snow.
Most Himalayan rivers originating in Himalayan peaks are perennial because they are fed by the melting snow throughout the year.
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