a) Both assertion and reason are correct and reason is the correct explanation of assertionb) Both assertion and reason are correct but reason is not the correct explanation ofassertion.c) Assertion is true, reason is falsed) Assertion is false, reason is true10 Assertion: The standard unit for expressing the mass of an atom is ‘u.’Reason: ‘u’ is also called unified mass

a) Both assertion and reason are correct and reason is the correct explanation of assertionb) Both assertion and reason are correct but reason is not the correct explanation ofassertion.c) Assertion is true, reason is falsed) Assertion is false, reason is true6.Assertion: A bicycle has to be pedaled again and again to keep it moving with uniformvelocity.Reason: Force is applied on the bicycle to balance the force of friction exerted by the ground onbicycle.

Directions: In the following questions, a statement of assertion (A) is followed by astatement of reason (R). Mark the correct choice as:(a) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation ofassertion (A).(b) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation ofassertion (A).(c) Assertion (A) is true but reason (R) is false.(d) Assertion (A) is false but reason (R) is true.4. Assertion : Cell wall is a non-living part of the cell.Reason : It offers protection, definite shape and support. ( )5. Assertion- A cell of meristem tissue is very active.Reason- Meristem tissue is dividing tissue. ( )6. Assertion: Legumes increases the soil fertility.Reason: Microbes in the root nodules of leguminous plants fix atmospheric nitrogen

a) Both assertion and reason are true and reason is the correct explanation of assertion.(b) Both assertion and reason are true but reason is not the correct explanation of assertion.(c) Assertion is true but reason is false.(d) Both Assertion and Reason are false.17. Assertion: Natural gas is gaseous fossil fuelReason: It is made up of volatile hydrocarbon called methane

Following question consist of two statements – Assertion (A) and Reason (R).Answer this question selecting the appropriate option given below:Assertion: All plants and animals are composed of cells.Reason- Cell is the basic unit of life.a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.b) Both Assertion and Reason are correct, and Reason is not the correct explanation forAssertion.c) Assertion is true but Reason is false.d) Both Assertion and Reason are false

(a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation assertion (A).(b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation ofassertion (A).(c)Assertion (A) is true but reason (R) is false.(d)Assertion (A) is false but reason (R) is true.7. Assertion : Sum of two irrational numbers 2 + √3 and 4 + √3 is irrational number.Reason : Sum of two irrational numbers is always an irrational numbe