Assertion and Reason

Practice Assertion and Reason – Assertion (A) : a Vaccines prevent diseases. 

Reason (R)    : Vaccines must be given to children. 

Practice Assertion and Reason – Assertion (A)   :   Weeds should not be allowed to grow along with the crops. 

Reason (R)     :    Weeds leave no space for plants to grow. 

Practice Assertion and Reason – Assertion (A)  : Shivaji developed the guerilla warfare. 

 Reason (R)    : Shivaji feared the Mughals. 

Practice Assertion and Reason – Assertion (A) : Appendix is a vestigial organ in human body. 

Reason (R)    : It does not participate in digestion. 

Practice Assertion and Reason – Assertion (A) :  The Indian Constitution came into force with effect from 26th January. 1950. 

Reason (R)    :  26th January is celebrated as the Republic Day. 

Practice Assertion and Reason – Assertion(A) :  The steam engine was invented by James Watt. 

Reason (R)   :  There was a problem of taking out water from flooded mines

Practice Assertion and Reason –  Assertion (A) :  Clothes are not washed properly in hard water. 

 Reason (A)    :  Hard water contains many minerals. 

Practice Assertion and Reason – Assertion (A)  : Carbon dioxide turns lime water milky. 

Reason (R)     : Carbon dioxide sullies the water. 

Practice Assertion and Reason – Assertion(A) :  A little gap is left between iron rails. 

Reason (R)   :  Iron expands in summer. 

Practice Assertion and Reason – Assertion (A)  : Legumes revive the soil fertility. 

Reason (R)    : Microbes in the root nodules of legumes fix the atmospheric nitrogen. 

Practice Assertion and Reason – Assertion (A) : Carbon monoxide when inhaled causes death. 

Reason (R) : Carbon monoxide combines with haemoglobin. 

Practice Assertion and Reason – Assertion (A) : There is no vaccine for AIDS. 

 Resson (R)   : The AIDS virus changes its genetic code 

Practice Assertion and Reason – Assertion(A)  : Graphite is slippery and used as a lubricant. 

Reason (R)    : Graphite has free electrons. 

Practice Assertion and Reason – Assertion (A)  : In India, people elect their own representatives.

 Reason (R)    : India is a democracy.

Practice Assertion and Reason – Assertion (A) : An atom is neutral despite the charged particles in it. 

Reason (R) : The neutrons do not have any charge.