Question

a. Both Assertion and Reason are true and Reason is a correct explanation of Assertion..
b. Both Assertion and Reason are true but Reason is not a correct explanation of Assertion
c. The Assertion is true but Reason is false.
d. Both Assertion and reason are false
e. The Assertion is false but Reason is true.
16. Assertion: Weeds can be uprooted by hand or with the help of implements.
Reason : Unwanted plants from the crop field removed by using harrow, trowel
and hoe.
17. Assertion: Harvested grains need to be stored before they are made available for
consumption
Reason : Bulk storage of the grains done in polythene bags.
18. Assertion : Loosening and turning the soil is not important process in agricultural
practices.
Reason : This process is not allowing the roots to reach deeper into the soil.
19. Assertion : Diseases that can spread from one person to another.
Reason : Pathogens are playing the major role to spread the diseases.
20. Assertion : Citrus canker is a animal disease caused by pathogens,
Reason : Mode of transmission of the disease is by water.
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Answer 1

Answer:

A

Explanation:

A. If both Assertion & Reason are True & the

Reason is a correct explanation of the

Assertion. B. If both Assertion & Reason are

True but Reason is not a correct explanation of

the Assertion. C. If Assertion is True but the shell) is the same as that of a point charge at

reason is False. D. If both Assertion & Reason

are False. Assertion :- Electric field outside the uniformly charged spherical shell (due to

its center. Reason :- The centre of mass of uniform shell is at its center.